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Freelance

Mission freelanceDV Infrastructure/Software Engineer

LA International Computer Consultants Ltd
Publiée le

30 mois
SW1A 2AH, City of Westminster, England, United Kingdom
DV Infrastructure/Software Engineer Office days - minimum 3 Location - London, Manchester, Ipswich, and Cheltenham. Security - DV Rate £600 - £750 Inside IR35 We have lots of roles available at different seniority levels. Accountabilities will vary depending on role, but will follow these principles: * Own and deliver engineering platform capabilities that enable teams to build, test, secure, and deploy services in a highly-automated, CI/CD-driven environment. * Design, implement, and evolve CI/CD pipelines, ensuring consistent, reliable, and repeatable delivery processes across multiple teams and services. * Embed Infrastructure-as-Code (IaC) practices, driving standardisation, scalability, and elimination of manual provisioning and configuration drift. * Integrate security controls into engineering workflows, ensuring services are secure by design and comply with the highest standards, from initial build through to production. * Support and enable engineering teams, providing guidance, tooling, and best practices to improve delivery velocity, quality, and resilience. * Continuously optimise automation, identifying opportunities to remove repetitive manual tasks, reduce cycle times and improve developer experience. * Collaborate across development, security, and operations spheres, breaking down silos and promoting end-to-end ownership of services. * Maintain and improve engineering tooling and platforms, including source-code control systems, build systems, artifact repositories and deployment frameworks. * Drive adoption of modern engineering practices, including continuous integration, continuous delivery, automated testing, and observability. * Monitor and improve platform performance and reliability, using metrics such as deployment frequency, lead-time, failure rates, and recovery times. * Contribute to technical standards and governance, ensuring consistency, security, and best-practice across engineering teams. * Support incident response and problem resolution, ensuring rapid recovery and continuous improvement through feedback loops and retrospective sessions. * Document and share knowledge, building reusable patterns, templates and guidance in order to scale up engineering capability. Technical: * Single- or multi-tier software application development (Java, Python, JavaScript, C++, C#, etc) * Database technologies & ORM (Elastic, MySQL/MariaDB, SQL*Server, etc) * Spec-driven software development & MCP use (Kiro, Claude, etc) * Source-code control (Git & Git-based technologies e.g. GitOps) * CI/CD platforms (GitLab, Jenkins) * Configuration management & IaC frameworks (Terraform, Ansible, Chef, Puppet) * Containerisation & container platforms (Kubernetes, Helm-based management & deployment) * Cloud-native platforms (AWS, Azure, GCP, VCF) * Artifact & package management (Nexus/Artifactory/Harbor) * Observability (Prometheus, Grafana, ELK stack, Fleet, Defend) * Identity & access management (IAM, OAuth/OIDC e.g. Keycloak, Secrets Mgmt e.g. Vault) * Automated testing frameworks * Release & deployment automation (ArgoCD, Flux) * Data-streaming & integration platforms (Kafka, NiFi) * Load-balancing and proxies (Nginx, HAProxy, ALB) * Encryption & certificate lifecycle management (TLS/SSL, PKI, etc) * OS configuration & management (Linux, Microsoft Windows) * System administration/diagnosis/troubleshooting * Networking (DNS, NAT, IP-addressing, TCP/UDP, routing, switching, firewalls, VPNs, etc) please share your latest CV Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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CDI

Offre d'emploiIT Support Analyst/Engineer with Level 1 and Level 2

Nexus Jobs Limited
Publiée le

£50k-60k
Grand Londres, Royaume-Uni
IT Support Analyst/Engineer with Level 1 and Level 2 Role Description This full-time IT Support Analyst/Engineer role covers both Level 1 and Level 2 support and is offered on a hybrid basis, with work primarily in London and some work from home flexibility. Day-to-day responsibilities include handling incoming support tickets, responding to user queries, and providing first-line technical assistance for hardware, software, and network issues. The role also involves performing more advanced second-line diagnostics, resolving complex incidents, escalating problems when required, and updating documentation and knowledge bases. The IT Support Analyst/Engineer will install and configure systems, manage user accounts and access permissions, monitor system performance, and assist with routine maintenance tasks and upgrades. Collaboration with other IT team members and clear communication with non-technical users are key aspects of the position. Qualifications Candidates should possess strong Technical Support and Information Technology skills, including experience with common operating systems, hardware, and business applications. Candidates should possess solid Analytical Skills and Troubleshooting abilities to diagnose issues, identify root causes, and deliver effective solutions. Candidates should possess clear and professional Communication skills, with the ability to explain technical concepts to users at different levels of technical understanding. Relevant certifications such as CompTIA A+, Network+, Microsoft, or similar credentials are beneficial, along with experience in Level 1 and Level 2 support environments. Ability to work in a hybrid setting, manage priorities in a busy service desk environment, and maintain a customer-focused, inclusive approach when supporting diverse user groups. For this position you will have at least 5 years experience in IT as an IT Support Engineer with 1 and 2 Level support experience - ideally in the Banking/Financial industry. In-depth knowledge of and troubleshooting experience with Windows, Office applications and conferencing applications. Responsible for the support and maintenance of the IT infrastructure and to provide IT support to staff and other group colleagues. To assist in the response to service outages and other IT related problems as well as maintenance and upkeep of for security of the systems in place. To provide IT Support and assistance to the branch's staff in a timely fashion. Responsible for the maintenance of the IT infrastructure of the Branch by providing first & Second line support of software, hardware and networking that incudes installation, configuration and troubleshooting. Support endpoint security standards (antivirus/firewall/patching/two-factor authentication). Provide day to day support to the Admin and HR function to cover: joiners/leavers/ movers process, CCTV & Paxton Card Access. Assist the IT Manager in delivering various IT related projects by managing the day to day operational aspects of such projects. End User Computing support for all staff. (e.g. Install, configure, and maintain desktops, laptops, printers, Phones/Mobiles and other IT equipment.) Networking Fundamentals – DNS, DHCP, TCP/IP, and LAN/WAN. Good understanding of cybersecurity measures Coordinator between the London Users and Group IT Security on all requests for systems access and to ensure that such permissions are provided promptly, are regularly updated and that the Group Access Matrix Protocol is followed at all times. Preserve the Assets of the Office by implementing Disaster Recovery and back up procedures and ensuring that the standards comply with Group requirements. Provide IT support to ensure the smooth running of daily and periodic reports for the London Compliance team to ensure adherence to the Anti Money Laundering Provisions . Undertake Data Extraction for reporting requirements for all the other stakeholders at the branch. To hold Administrator function for some of the systems housed at the Office. Responsible for the granting of access and maintenance of system matrixOverall networking equipment monitoring (i.e. Network Switches, Firewall and other appliances) and support inclusive of the server room. To plan and carry out maintenance checks to ensure IT Operations, infrastructures are running smoothly and ensure daily routine task completeness. Manage inventory of computers, network equipment including tracking of purchased equipment and services. To maintain and ensure that the BCP site is always ready for continuous bank operations Important Business Services - IBS owner is to ensure the resilience of the IBS theyare responsible for (Ensure appropriate RCSAs, CETs, KRIs are in place to monitor procedures and controls within their units) Assist the HOD/Manager with implementing/putting in place, any applicable training/guidance/SOPs to staff relating to cyber security & operational resilience. To maintain the branch Avaya IP Office Phone system and to ensure that the recording system is always up and running at all times. To perform monthly infrastructure test and report for Risk Assessment. Manage Incident Handling procedure (This includes monitoring as well as post –incident follow up). Respond to IT service requests and incidents in a timely manner, prioritizing based on business impact, especially for critical banking functionsSupport the Branch operations as and when needed and any other tasks assigned by Management of the Branch. Data Integrity and Compliance Operationalise data strategy and communicate to the Data Owner or the Management any changes in their BAU requirements which involve data. To ensure all data worked on and or/shared with internal/external clients are accurate, compliant and maintained in accordance with Company's data quality standards. Handle all data in strict alignment with the General data protection Regulations (GDPR) principles. Keep track of documents created by the team. Escalate any suspected data breaches or privacy issues to the DPO promptly and without delays. Ensuring any data sharing requests are discussed with HOD/DPO so that prior authorisation is given and follows GDPR / department's SOPs. Collaborate with DPO on data Protection Impact Assessment when introducing new systems or processes to ensure privacy risks are mitigated at the outset. Technical Skills Required Proficient in common operating systems (Windows 11 and Linux, Server 2016 and later) Providing AV support for branch Software proficiency – O365, Onedrive,Teams, Sharepoint, Bloomberg, FXT, SEP, SEE, ME Endpoint Protection, Murex, Swift, 1AML, SIBS, GFMS, COP, Refinitiv, Syncovery, SQL Server, Paxton, VBR, VRO and VeeamOne Proficient in Imaging windows machines, image creation & management, GPO, and AD Networking Fundamentals – DNS, DHCP, TCP/IP, and LAN/WAN. Good understanding of Vmware; ESXI, vSphere, vCenter, Fortigate Firewalls, Cisco Switches Good understanding of patching practices and troubleshooting Install, configure, and maintain desktops, laptops, printers, Phones/Mobiles and other IT equipment. AV support (conference phones, Logitech meeting room solutions etc) Proficient in programming languages Project management Data analysis and reporting Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) This is a 5 days in the office role in Central London. Salary for this role will be circa £55K - £60K. Do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiIngénieur Système & Réseau

Orviden
Publiée le
Administration système
Réseaux
VMware

Massy, Île-de-France
Description de l'emploi : L'Ingénieur Système et Réseau est chargé de concevoir, déployer et maintenir les infrastructures informatiques de l'entreprise, incluant les systèmes et les réseaux. Il/elle est garant(e) de leur performance, de leur sécurité et de leur disponibilité, tout en appliquant les bonnes pratiques en matière d'administration et de cybersécurité. Il/elle intervient en support aux activités opérationnelles avec un fort niveau de technicité. Le poste couvre principalement les systèmes, les réseaux et les outils d'administration associés, au service du bon fonctionnement du système d'information. Activités significatives : Gestion des environnements cloud - Déployer, maintenir et superviser les plateformes et outils de cloud privé (VMWare/ESXi) - Gérer les accès et identités au sein des environnements cloud (IAM, IDP, Landing Zone) - Assurer la supervision et l'observabilité des plateformes afin de garantir la disponibilité des charges de travail Automatisation et exploitation - Développer des scripts en Bash, Python ou PowerShell pour automatises les tâches et opérations répétitives - Intégrer des mécanismes et outils d'automatisation en mode « Infrastructure as Code » (Ansible, Terraform) - Mise en place de workflow de données entre les différents systèmes (N8N, API etc.) - Assurer une traçabilité des changements de l'infrastructure (Git, CI/CD, IaC) Gestion des identités et droits d'accès - Administrer et exploiter les annuaires d'entreprise (Active Directory, Azure Entra ID) - Gérer et implémenter la logique de gestion des droits d'accès et permissions - Administrer et opérer les systèmes d'authentification fédérée via les protocoles SAML, OAuth ou SCIM (SSO) Administration réseaux et systèmes - Spécifier, configurer et exploiter des services réseaux (TCP/IP, VLAN, switching, firewall, IDS/IPS, DPI, proxy, VPN, ZTNA) - Administrer des systèmes d'exploitation en assurant la disponibilité et la sécurité des services (Linux/Windows) - Exploiter et opérer les plateformes de cloud privé (VMWare) Pilotage de l'exploitation informatique - Rédiger, mettre à jour et appliquer les procédures d'exploitation IT - Gérer les changements techniques selon les normes ITIL et ISO 27001 - Participer à l'amélioration continue des processus d'exploitation
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CDI

Offre d'emploiIT Support Engineer - 3rd Line

Bluetown
Publiée le

£40k-50k
M6 7WQ, Salford, England, United Kingdom
Job Title: IT Support Engineer - Third Line Location: Manchester Salary: £40,000 - £50,000 per annum DOE Job Type: Full Time, Permanent At Netteam tX, we recognize and develop talent, and look to retain talent through the creation of career opportunities, lateral and horizontal. Our culture is centered around our belief in continually refining our skills and knowledge, collectively as a team as well as individually. We actively encourage creativity and innovation, and we strongly believe that it is our people that make us great. About the role: You will provide senior third Line technical support across Netteam's managed client base, acting as the technical escalation point for complex incidents, recurring problems and engineering-level change. You will own advanced investigation through to resolution, drive Root Cause Analysis and Problem Management, and work with vendors and internal teams to deliver permanent fixes, reduce repeat demand and improve service resilience. You will maintain clear technical documentation and provide knowledge transfer to enable resolution at the lowest appropriate support tier. Responsibilities: Own complex First Line and Second Line escalations in the PSA system, with complete technical evidence, time entries, dependencies and next actions Lead advanced diagnosis and resolution across infrastructure, Microsoft cloud, networking, security, backup/DR and telephony, prioritised to SLA and customer impact Provide clear and timely customer updates throughout complex incidents, Problems and engineering activity Own assigned Problem records, identify recurring incidents, complete Root Cause Analysis, and maintain Known Errors and workarounds Validate escalations, provide technical guidance, and return those that do not meet agreed escalation standards Deliver permanent remediation through configuration change, scripting, automation, upgrades and vendor engagement, following Netteam change and security controls Maintain accurate IT Glue documentation and create technical knowledge, RCA and Known Error content to support effective shift-left Provide senior technical support during Major Incidents, including diagnosis, recovery validation and Post Incident Review / RCA activity Identify recurring demand, technical debt, security weaknesses and resilience risks, and propose improvements that reduce repeat incidents Work with AI & Automation to automate repeatable technical fixes and manual activity where appropriate Lead vendor and third-party technical engagement on complex issues while retaining ownership through to resolution Plan and prioritise BAU escalations, Problems, scheduled engineering activity and proactive service improvement Provide out-of-hours support to our clients on a rota basis, including critical technical escalation and clear handover Maintain Information Security, ISMS, data protection and change-control requirements and escalate material technical or security risk About you: Experience: Ability to work independently, take technical ownership and drive complex issues through to resolution IT related degree or relevant industry qualifications are highly desirable Demonstrable experience in senior second Line, third Line, infrastructure or MSP support, owning complex technical escalations Strong structured troubleshooting skills, including log analysis, evidence-based diagnosis and root-cause thinking Experience with Autotask, Datto RMM and IT Glue, including monitoring, scripting, time recording and technical documentation Experience of Problem Management, Root Cause Analysis, Known Error / knowledge creation and remediation validation Experience supporting Major Incidents and vendor or third-party technical escalations Detailed experience of Microsoft Windows Server/Desktop environments, Active Directory, Group Policy, DNS and DHCP Detailed experience with Microsoft 365, Azure and related technologiesExchange Online Microsoft Entra ID / Azure Active Directory and hybrid identity Conditional Access / MFA Microsoft Intune / Mobile Device Management Microsoft Defender, Information Protection / DLP Detailed experience with Backup/DRaaS technologies, Azure IaaS and restoration / recovery processes Strong networking knowledge including TCP/IP, DNS, DHCP, firewalls, routing/switching and monitoring Knowledge of S2S/P2S VPN, VLAN, LACP, NAT/PAT/ACLs, SSL Certificates, WatchGuard, Voice/3CX and email security is desirable Current and valid UK driving licence is desirable; PowerShell or equivalent scripting capability would be advantageous Experience of working within an MSP and/or Hospitality environment is advantageous but not essential Personal Attributes: Friendly, professional and credible with technical and non-technical clients Technically curious and proactive, with a strong drive to research unfamiliar technologies and improve solutions Strong written and verbal communication skills with the ability to explain complex technical issues clearly Recognizes the importance of frequent and clear communication during incidents, escalations and dependency-driven work Analytical and evidence-led, focused on identifying underlying causes rather than repeatedly treating symptoms Actively shares knowledge and supports First and Second Line development without creating technical silos Disciplined, with the ability to prioritise and execute technical tasks effectively under pressure Accountable and outcome-focused, taking ownership through to validated resolution Note: This description is not intended to establish a total definition of the job but an outline of the duties. In line with our recruitment policy and client expectation, some roles will be subject to a basic DBS disclosure. Please click on the APPLY button to send your CV and Cover Letter for this role. Candidates with experience of: Infrastructure Engineer, Windows Server Infrastructure Engineer, Server Support Technician, ICT Systems Engineer, 3rd Line Support, Field Support Technician, Technical Support Engineer, 3 Line Support Engineer may also be considered for this role.
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CDI

Offre d'emploiSenior IT Infrastructure Officer

Nexus Jobs Limited
Publiée le

£70k-75k
Grand Londres, Royaume-Uni
Senior IT Infrastructure Officer Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. 3. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). 4. Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initally will be be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be circa £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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CDD

Offre d'emploiInfrastructure Engineer (DV Cleared - Inside IR35)

LA International Computer Consultants Ltd
Publiée le

12 mois
HR1 3AE, Pipe and Lyde, England, United Kingdom
We are looking for a DV cleared Infrastructure Engineer to join a growing operations support team. The preferred candidate will demonstrate effective application of Infrastructure and extensive knowledge across a variety of technologies such as Linux (Ubuntu / CentOS), Microsoft Windows Server (including services such as AD, DNS, DHCP) and virtualisation (Hyper-V), Microsoft Stack Technologies (Sharepoint, SQL Server, Skype for Business / Teams), networking technologies and storage. The role will provide technical exposure variance across both outcomes based project activities and operational (Business as Usual) support activities. The duties of the role will also include providing remote and on-site support. There is also a requirement to provide out of hours on call support. You will be expected to contribute towards the creation and ongoing maintenance of technical documentation and provide material to support the project work or the operational support service. Experience includes: - Have excellent knowledge of Virtualized Environments such as VMware and Hyper-V; - Have excellent knowledge of Windows Server Environments, from Server 2003 - 2019, including OS build, AD, DNS, DHCP and GPO from design to implementation and support; - Have strong Linux system administration skills (Ubuntu / CentOS); - Have good general knowledge of TCP/IP and networking technologies including load balancing and firewalls; - Have good general knowledge of Microsoft stack technologies such as SharePoint, Skype for Business / Teams, MS SQL, MS System Centre, Office365, MS Exchange & CLI tooling such as PowerShell; - Have good general knowledge of SAN storage technologies; - Have excellent analysis and problem solving skills, taking ownership of complex incidents ensuring these are resolved to the satisfaction of the customer; - Possess excellent communication skills; - Have experience of producing and updating technical documentation to a high standard; Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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CDD

Offre d'emploiSenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Publiée le

£70k-75k
Grand Londres, Royaume-Uni
Senior IT Infrastructure & Systems Lead Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be circa £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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Freelance

Mission freelanceDéveloppeur Java AWS

Cherry Pick
Publiée le
AWS Cloud
Java

12 mois
500-550 €
Paris, France
Contexte de la mission Pendant la phase d'intégration, les prestataires prendront connaissance du contexte fonctionnel et de l'environnement technique. Ils pourront s'appuyer notamment sur les documents suivants : les spécifications techniques (PTI, DEX, PAS…), le dossier d'architecture technique, le schéma des composants AWS, le modèle de données (DynamoDB), les documents de migration PKI et de décommissionnement des HSM en cours, les normes d'exploitation et de cybersécurité, ainsi que les audits. Synthèse des rôles couverts par la mission Appui du RMOE et du Tech Lead sur l'architecture de l'application SIRSE, à travers des connaissances dans les différents domaines techniques de l'application (Java, Python, base de données DynamoDB), dans les mécanismes de sécurité des échanges informatiques et de cryptographie (gestion des certificats, gestion des clés de chiffrement, TLS, EJBCA, Cloud HSM), dans le domaine des réseaux et télécoms (VPN, gestion des VIP, MPLS, fonctionnement du TCP/IP), sur AWS (Lambda, Terraform, EC2, SQS, S3, CloudWatch…) et sur EJBCA. Développement et maintenance de l'outil SIRSE, incluant la résolution d'anomalies. Déploiement des versions applicatives. Recette technique sur les environnements bas. Réalisation des installations ou migrations, et garantie du run des lots techniques. Gestion du processus d'intégration. Surveillance de la bonne exécution de l'applicatif sur les environnements bas. Traitement et suivi des incidents hors production et en production. Exploitation de la base de données, rattrapage et rechargement de données. Apport d'expertise Contribution à l'amélioration de la qualité de service, notamment dans la gestion des incidents et des crises. Chiffrage des évolutions techniques et fonctionnelles, en privilégiant la solution la plus simple. Analyse des performances de l'application et proposition de solutions ou préconisations d'optimisation. Participation active aux ateliers techniques nécessaires (Daily, COPROJ technique, COMOP PKI, ateliers avec le DPO, la Cyber, et sur le décommissionnement d'IoT Event et IoT Analytics). Suivi et participation active à la mise en place d'une supervision sur AWS (logs, alertes, suivi des coûts…). Création, priorisation et suivi des tickets techniques sur JIRA. Documentation des processus. Mise à jour des procédures techniques d'installation (PTI), d'exploitation (PTE), de bascule lors des migrations (PTB), ainsi que des procédures de reprise lors des PRA (PTR), DEX, DAL, PTE… Participation aux instances techniques.
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Offre premium
CDI

Offre d'emploiIT Support Analyst/Engineer with Level 1 and Level 2

Nexus Jobs Limited
Publiée le
Cisco
DHCP (Dynamic Host Configuration Protocol)
DNS

£55k-60k
Cité de Westminster, Royaume-Uni
IT Support Analyst/Engineer with Level 1 and Level 2 Role Description This full-time IT Support Analyst/Engineer role covers both Level 1 and Level 2 support and is offered on a hybrid basis, with work primarily in London and some work from home flexibility. Day-to-day responsibilities include handling incoming support tickets, responding to user queries, and providing first-line technical assistance for hardware, software, and network issues. The role also involves performing more advanced second-line diagnostics, resolving complex incidents, escalating problems when required, and updating documentation and knowledge bases. The IT Support Analyst/Engineer will install and configure systems, manage user accounts and access permissions, monitor system performance, and assist with routine maintenance tasks and upgrades. Collaboration with other IT team members and clear communication with non-technical users are key aspects of the position. Qualifications · Candidates should possess strong Technical Support and Information Technology skills, including experience with common operating systems, hardware, and business applications. · Candidates should possess solid Analytical Skills and Troubleshooting abilities to diagnose issues, identify root causes, and deliver effective solutions. · Candidates should possess clear and professional Communication skills, with the ability to explain technical concepts to users at different levels of technical understanding. · Relevant certifications such as CompTIA A+, Network+, Microsoft, or similar credentials are beneficial, along with experience in Level 1 and Level 2 support environments. · Ability to work in a hybrid setting, manage priorities in a busy service desk environment, and maintain a customer-focused, inclusive approach when supporting diverse user groups. For this position you will have at least 5 years experience in IT as an IT Support Engineer with 1st and 2nd Level support experience - ideally in the Banking/Financial industry. In-depth knowledge of and troubleshooting experience with Windows, Office applications and conferencing applications. Responsible for the support and maintenance of the IT infrastructure and to provide IT support to staff and other group colleagues. To assist in the response to service outages and other IT related problems as well as maintenance and upkeep of for security of the systems in place. · To provide IT Support and assistance to the branch's staff in a timely manner. · Responsible for the maintenance of the IT infrastructure of the Branch by providing first & Second line support of software, hardware and networking that includes installation, configuration and troubleshooting. Support endpoint security standards (antivirus/firewall/patching/two-factor authentication). · Provide day to day support to the Admin and HR function to cover: joiners/leavers/movers process, CCTV & Paxton Card Access. · Assist the IT Manager in delivering various IT related projects by managing the day to day operational aspects of such projects. · End User Computing support for all staff. (eg Install, configure, and maintain desktops, laptops, printers, Phones/Mobiles and other IT equipment.) · Networking Fundamentals – DNS, DHCP, TCP/IP, and LAN/WAN. · Good understanding of cybersecurity measures · Coordinator between the London Users and Group IT Security on all requests for systems access and to ensure that such permissions are provided promptly, are regularly updated and that the Group Access Matrix Protocol is followed at all times. · Preserve the Assets of the Office by implementing Disaster Recovery and back up procedures and ensuring that the standards comply with Group requirements. · Provide IT support to ensure the smooth running of daily and periodic reports for the London Compliance team to ensure adherence to the Anti Money Laundering Provisions. · Undertake Data Extraction for reporting requirements for all the other stakeholders at the branch. · To hold Administrator function for some of the systems housed at the Office. Responsible for the granting of access and maintenance of system matrixOverall networking equipment monitoring (ie Network Switches, Firewall and other appliances) and support inclusive of the server room. · To plan and carry out maintenance checks to ensure IT Operations, infrastructures are running smoothly and ensure daily routine task completeness. · Manage inventory of computers, network equipment including tracking of purchased equipment and services. · To maintain and ensure that the BCP site is always ready for continuous bank operations · Important Business Services - IBS owner is to ensure the resilience of the IBS they are responsible for (Ensure appropriate RCSAs, CETs, KRIs are in place to monitor procedures and controls within their units) · Assist the HOD/Manager with implementing/putting in place, any applicable training/guidance/SOPs to staff relating to cyber security & operational resilience. · To maintain the branch Avaya IP Office Phone system and to ensure that the recording system is always up and running at all times. · To perform monthly infrastructure test and report for Risk Assessment. · Manage Incident Handling procedure (This includes monitoring as well as post-incident follow up). · Respond to IT service requests and incidents in a timely manner, prioritizing based on business impact, especially for critical banking functionsSupport the Branch operations as and when needed and any other tasks assigned by Management of the Branch. Data Integrity and Compliance Operationalize data strategy and communicate to the Data Owner or the Management any changes in their BAU requirements which involve data. · To ensure all data worked on and or/shared with internal/external clients are accurate, compliant and maintained in accordance with Company's data quality standards. · Handle all data in strict alignment with the General data protection Regulations (GDPR) principles. · Keep track of documents created by the team. · Escalate any suspected data breaches or privacy issues to the DPO promptly and without delays. · Ensuring any data sharing requests are discussed with HOD/DPO so that prior authorization is given and follows GDPR / department's SOPs. · Collaborate with DPO on data Protection Impact Assessment when introducing new systems or processes to ensure privacy risks are mitigated at the outset. Technical Skills Required - Proficient in common operating systems (Windows 11 and Linux, Server 2016 and later) - Providing AV support for branches - Software proficiency – O365, Onedrive, Teams, Sharepoint, Bloomberg, FXT, SEP, SEE, ME Endpoint Protection, Murex, Swift, 1AML, SIBS, GFMS, COP, Refinitiv, Syncovery, SQL Server, Paxton, VBR, VRO and VeeamOne - Proficient in Imaging windows machines, image creation & management, GPO, and AD - Networking Fundamentals – DNS, DHCP, TCP/IP, and LAN/WAN. - Good understanding of Vmware; ESXI, vSphere, vCenter, Fortigate Firewalls, Cisco Switches - Good understanding of patching practices and troubleshooting - Install, configure, and maintain desktops, laptops, printers, Phones/Mobiles and other IT equipment. - AV support (conference phones, Logitech meeting room solutions etc.) - Proficient in programming languages - Project management - Data analysis and reporting Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) This is a 5 days in the office role in Central London. Salary for this role will be around £55K - £60K. Do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiExpert Cybersécurité Réseau et Accès H/F

CONSORT GROUP
Publiée le
IAM
IPsec

93100, Montreuil, Île-de-France
Chaque moment compte. Surtout ceux que vous vivez à fond. Bienvenue chez Consort Group. Consort Group, accompagne depuis plus de 30 ans les entreprises dans la valorisation de leurs données et infrastructures. Elle s'appuie sur deux leaders, Consortis et Consortia, et place l'humain et la responsabilité sociétale au cœur de ses valeurs. C'est votre future équipe Les équipes de Consortis, sont au cœur des enjeux actuels de Cybersécurité, Virtualisation & Cloud, Systèmes, Réseaux et Télécom, ainsi que sur les environnements Digital Workplace. Les compétences RPA et DevOps viennent renforcer ces offres pour accélérer l'agilité et l'efficacité opérationnelle des services délivrés. Expert Cybersécurité Réseau et Accès H/F C'est votre mission En tant qu'Architecte / Expert Cybersécurité Réseau et Accès, vous êtes responsable de la conception, de l'évolution et de la sécurisation des infrastructures d'accès distants et des plateformes de sécurité de notre écosystème.: Côté build : Définir les architectures de référence des infrastructures d'accès distants et des solutions de sécurité réseau. Concevoir et faire évoluer les architectures Firewall, VPN et IDS/IPS dans des environnements on-premise et Cloud hybride. Élaborer les roadmaps techniques (évolutions matérielles, logicielles et nouvelles fonctionnalités). Réaliser les validations techniques en LAB des nouvelles versions matérielles et logicielles. Rédiger la documentation d'architecture (HLD, LLD), les guides d'installation, de migration et d'exploitation. Accompagner les projets métiers dans l'intégration de nouvelles solutions de cybersécurité. Côté run : Assurer le support de niveau 3 sur les infrastructures de sécurité réseau. Réaliser les investigations avancées et piloter les échanges avec les éditeurs. Auditer les infrastructures existantes et proposer des plans d'amélioration. Accompagner les équipes d'exploitation dans la résolution d'incidents complexes. Garantir la disponibilité, la performance et la conformité des solutions de sécurité. C'est votre parcours Vous justifiez d'au moins 8 ans d'expérience sur des environnements réseaux et cybersécurité complexes. Vous avez évolué sur des sujets d'architecture, d'ingénierie et d'expertise autour des infrastructures de sécurité. Vous aimez concevoir des solutions robustes, accompagner les projets de transformation et intervenir sur des problématiques techniques à forte valeur ajoutée. C'est votre expertise : Fortinet (FortiGate, FortiOS, FortiManager, FortiAnalyzer) Palo Alto Networks (NGFW, Panorama) Check Point (Firewall, MDS) Cisco ASA, AnyConnect VPN SSL, IPsec, Site-to-Site MFA, IAM, NAC IDS / IPS TCP/IP, MPLS, NAT, IPv4 / IPv6 DNS, HTTP(S), TLS Troubleshooting avancé et analyse de traces réseau Documentation d'architecture (HLD, LLD) Environnements Cloud hybrides C'est votre manière de faire équipe : Esprit d'analyse et résolution de problèmes complexes. Excellentes capacités de communication avec les équipes techniques et les métiers. Rigueur et sens de la documentation. Autonomie et capacité à prendre des décisions techniques. Esprit collaboratif et goût du partage de connaissances. C'est notre engagement Chez Consort Group, vous êtes un·e expert·e qu'on accompagne pour que chaque mission devienne une étape qui compte. Un onboarding attentif et humain Une vraie proximité managériale Des formations accessibles en continu Des engagements concrets : inclusion, égalité, solidarité Un package RH complet : mutuelle, carte TR, CSE, prévoyance Une culture du feedback et des projets qui font sens C'est clair Le process de recrutement : Un premier échange téléphonique avec notre team recrutement Un entretien RH ainsi qu'un échange métier avec un.e ingénieur.e d'affaires Un test ou un échange technique avec un.e de nos expert.es Un dernier point avec votre futur.e manager ou responsable de mission Et si on se reconnaît : on démarre ensemble C'est bon à savoir Lieu : Montreuil Contrat : CDI Télétravail : Hybride Salaire : De 60 K€ à 64 K€ (selon expérience) brut annuel Famille métier : Cybersécurité / Réseaux / Architecture Sécurité Ce que vous ferez ici, vous ne le ferez nulle part ailleurs. Ce moment, c'est le vôtre.
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CDI

Offre d'emploiDatacoms Technician

Rise Technical Recruitment Ltd
Publiée le

Reigate and Banstead, Royaume-Uni
Datacoms Technician Competitive Salary + Annual Bonus + Private Healthcare + Pension + Progression + Gym Membership + Full Training London Are you an experienced Datacoms Technician looking for a varied, hands-on role where you can work on global communications infrastructure, bespoke solutions and cutting-edge technologies across satellite, LTE and enterprise networks? This is an exciting opportunity to join a specialist engineering team delivering advanced communication solutions to customers operating in remote and challenging environments. You will play a key role in designing, implementing and supporting complex network systems, working across both in-house product development and customer-facing projects. In this role, you will collaborate closely with internal teams and external clients to deliver tailored network solutions, from initial design through to deployment and ongoing support. You will also be responsible for resolving escalated technical issues, contributing to product development and ensuring the performance and reliability of critical communication systems. The ideal candidate will have strong networking fundamentals, hands-on experience with firewalls, routing and switching, and a proactive approach to problem solving. This role also offers opportunities for travel, exposure to cutting-edge technologies and continuous professional development within a highly technical environment. The Role: Support and maintain enterprise and customer network solutions Diagnose and resolve complex, escalated technical issues Assist in the design, build and deployment of network infrastructure Contribute to product evaluation, development and system integration Produce and maintain technical documentation for projects The Person: Strong knowledge of TCP/IP, routing, switching and firewall technologies Experience with satellite communications or enterprise IT systems Ability to troubleshoot complex network issues effectively Professional, proactive and able to work both independently and as part of a team Relevant qualification in IT, Networking or Engineering (degree or equivalent) Reference Number:BBBH275875 Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
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Freelance
CDI

Offre d'emploiIngénieur Réseau Senior

Gamme solutions
Publiée le
Cybersécurité

1 an
Cergy, Île-de-France
Dans le cadre du renforcement de l'équipe Infrastructure & Réseau, notre client recherche un Ingénieur Réseau Senior afin d'accompagner la conception, le déploiement, l'exploitation et la sécurisation de ses infrastructures réseau dans un environnement complexe, multisites et international. Contexte de la missionVous interviendrez sur des infrastructures réseau critiques avec un rôle d'expertise technique autour des activités de BUILD & RUN, de l'évolution des architectures et du maintien en conditions opérationnelles. Vos missionsArchitecture & évolution des infrastructures réseau Participer à la conception et à l'évolution des architectures LAN, WAN, WiFi, VPN et Sécurité Contribuer à la standardisation et à l'optimisation des infrastructures réseau Accompagner les projets de transformation et de modernisation Déploiement & intégration Installer, configurer et mettre en production les équipements réseau Réaliser l'intégration de nouvelles solutions dans le respect des standards techniques et des exigences de sécurité Participer aux phases de tests, validation et mise en production Exploitation & support expert Assurer le maintien en conditions opérationnelles des infrastructures réseau Diagnostiquer et résoudre les incidents complexes (N2/N3) Mettre en œuvre les actions correctives et préventives Participer à l'amélioration continue de la qualité de service Performance & supervision Suivre la disponibilité et les performances des infrastructures Exploiter les outils de supervision et de monitoring Participer aux actions d'optimisation des capacités réseau Sécurité réseau Appliquer et faire évoluer les politiques de sécurité réseau Administrer les solutions de filtrage, VPN, segmentation et contrôle d'accès Participer aux audits de sécurité et aux plans de remédiation Documentation & projets Maintenir la documentation technique et les schémas d'architecture Participer aux projets d'évolution, migration et interconnexion Assurer une veille technologique sur les solutions réseau Compétences techniques requisesProtocoles et technologies réseau TCP/IP BGP OSPF VLAN DHCP / DNS LAN / WAN WiFi VPN Routage et commutation Technologies et constructeurs Cisco Fortinet Palo Alto Juniper F5 Aruba Riverbed Zscaler Citrix Efficient IP Sécurité réseau Firewall IDS / IPS Segmentation réseau Contrôle d'accès Filtrage des flux Bonnes pratiques de sécurité Outils Supervision et monitoring réseau Outils de diagnostic Suivi des performances et capacité réseau Profil recherchéIngénieur Réseau confirmé avec minimum 5 ans d'expérience Formation Bac+5 ou diplôme d'ingénieur Expertise sur des environnements réseau complexes et multisites Solide expérience sur les technologies Cisco / Fortinet / Palo Alto Bonne maîtrise des architectures réseau et des problématiques de sécurité Expérience en environnement RUN / MCO Qualités attenduesAutonomie et rigueur Excellentes capacités d'analyse et de résolution de problèmes Bon relationnel avec les équipes techniques, métiers et fournisseurs Sens du service et de la qualité Capacité à évoluer dans un contexte international Informations complémentaires📍 Localisation : Cergy-Pontoise 🌍 Contexte : environnement international 👤 Pas de management d'équipe 🤝 Nombreuses interactions avec les équipes Infrastructure, Sécurité, Architecture, Support et Projets 🇬🇧 Anglais professionnel indispensable
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CDI

Offre d'emploiIT Infrastructure & Systems Manager

Nexus Jobs Limited
Publiée le

£60k-65k
Grand Londres, Royaume-Uni
IT Infrastructure & Systems Manager We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization. This role requires a strong blend of technical expertise, leadership capability, operational excellence, and stakeholder management skills, within a complex enterprise environment that includes financial, trading, and treasury systems. Role Description The IT Infrastructure & Systems Manager is a full-time role based in London with a hybrid working arrangement, combining on-site presence with some work from home. This role is responsible for managing and maintaining the organization's core IT infrastructure, including servers, networks, storage, and cloud services. Day-to-day tasks include overseeing system administration, monitoring performance and availability, implementing security best practices, and coordinating backup and disaster recovery processes. The role involves leading and supporting IT operations, resolving complex technical issues, and ensuring that systems, applications, and services remain stable and secure. The IT Infrastructure & Systems Manager will collaborate with internal stakeholders, manage vendors and service providers, contribute to IT strategy and roadmaps, and document procedures, standards, and configuration changes. Qualifications Strong foundation in Information Technology and IT Operations, including infrastructure design, capacity planning, and service management. Hands-on experience with System Administration and Troubleshooting across Windows and/or Linux environments, virtualization, and cloud platforms. Proficiency in Network Security, including firewalls, VPNs, endpoint protection, access control, and security monitoring. Proven ability to manage IT projects, prioritize tasks, and deliver improvements on time and within scope. Excellent communication and stakeholder management skills, with the ability to explain technical concepts to non-technical audiences. Experience leading or mentoring IT team members or support staff is highly desirable. Relevant certifications (e.g., ITIL, Microsoft, Cisco, CompTIA, or cloud certifications) are an advantage. Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). Networking Configure and support Cisco switches and routers. Administer FortiGate firewall environments. Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Governance, Documentation & Process Improvement Develop, maintain, and enforce IT policies, standards, and operational procedures. Produce system architecture diagrams, technical documentation, SOP's, and performance reports. Identify and drive opportunities for automation and service improvement. Support technology planning, infrastructure modernization, and transformation initiatives. Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Technical Competencies Data analysis and operational reporting Desktop and laptop support Infrastructure monitoring and performance management Certificate lifecycle management (SSL/TLS) Windows imaging and deployment, GPO, NTFS PowerShell scripting SQL Server administration Understanding of software development lifecycle (SDLC) and deployment processes Architecture review and systems optimization Asset management 7+ years of experience in enterprise IT infrastructure and systems administration. Experience within financial services, banking, trading, or treasury environments. Proven experience managing mission-critical infrastructure and applications. Experience operating within regulated and security-focused environments. Able to provide support to VIP stakeholders This is a hybrid role with 3 days at the office in Central London. Salary for this role will be in the range £60K - £65K. Do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiSenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Publiée le

£65k-75k
Grand Londres, Royaume-Uni
Senior IT Infrastructure & Systems Lead Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period This role is totally hands-on. Role Description The Senior IT Infrastructure & Systems Lead is a full-time hybrid role based in London, with flexibility for some work-from-home arrangements. This role is responsible for overseeing the day-to-day operation, maintenance, and improvement of the company's IT infrastructure, including networks, servers, and core systems. The person in this role will lead and mentor technical staff, manage system performance and availability, and coordinate responses to incidents and service requests. Typical tasks include monitoring network and system health, implementing security measures, resolving complex technical issues, planning upgrades, and collaborating with stakeholders to align technology solutions with business needs. The role also involves vendor management, documentation of infrastructure and procedures, and contributing to IT strategy and roadmap decisions. Qualifications Candidates should possess strong skills in Network Administration and Information Technology for managing and optimizing infrastructure and systems. Candidates should possess solid Technical Support and Troubleshooting skills to diagnose, resolve, and prevent complex IT issues. Candidates should possess expertise in Network Security to implement, monitor, and improve security controls and practices. Extensive experience in leading IT infrastructure projects, including planning, implementation, and migration activities. Proven ability to manage and mentor IT teams, with strong communication and stakeholder management skills. Experience with server and cloud technologies, virtualization, backup and recovery, and IT monitoring tools. Relevant professional certifications (e.g., CompTIA Network+, CCNA, MCSE, or similar) are beneficial. Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management · Administer, maintain, and optimize Windows and Linux server environments. · Manage VMware virtualized infrastructure (vSphere 8 and above). · Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. · Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. · Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). · Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). · Manage patching processes using ManageEngine Patch Manager Plus. · Support Microsoft 365 services and related cloud technologies. · In depth understanding of Cyber security · Monitor system performance, capacity, availability, and infrastructure health. · Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support · Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. · Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. · Manage OS deployment, imaging, image creation, maintenance, and software packaging. · Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. · Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. · Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support · Support and administer business-critical applications, including: · Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP · Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management · Support vulnerability management using tools such as Tenable. · Manage security monitoring and log analysis tools (e.g., Splunk). · Perform SSL/TLS certificate lifecycle management using OpenSSL. · Create and manage CSRs, certificate chains, and private keys. · Ensure adherence to cybersecurity policies, standards, and regulatory requirements. · Support physical access control systems (e.g., Paxton) Operating Systems · Windows 11 · Windows Server 2019/2022 (or equivalent enterprise environments) · Red Hat Linux Infrastructure & Virtualization · VMware vSphere / vCenter (v8.0.3 and above) · Veeam Backup & Replication · Veeam ONE, VRO · Microsoft Office 365 · ManageEngine Patch Manager Plus · SAAS solutions · SQL Server Security · Symantec Endpoint Protection (SEP) · Symantec Endpoint Encryption (SEE) · SentinelOne – EDR/ XDR · Endpoint DLP solutions · Firewall administration · Vulnerability management tools (e.g., Tenable) · SIEM tools (e.g., Splunk) Networking · Cisco Switches and Routers · FortiGate Firewalls · LAN/WAN networking and routing Hardware & Storage · Dell PowerEdge Servers · Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be circa £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiSenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Publiée le

£70k-75k
Grand Londres, Royaume-Uni
Senior IT Infrastructure & Systems Lead Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period This role is totally hands-on. Role Description The Senior IT Infrastructure & Systems Lead is a full-time hybrid role based in London, with flexibility for some work-from-home arrangements. This role is responsible for overseeing the day-to-day operation, maintenance, and improvement of the company's IT infrastructure, including networks, servers, and core systems. The person in this role will lead and mentor technical staff, manage system performance and availability, and coordinate responses to incidents and service requests. Typical tasks include monitoring network and system health, implementing security measures, resolving complex technical issues, planning upgrades, and collaborating with stakeholders to align technology solutions with business needs. The role also involves vendor management, documentation of infrastructure and procedures, and contributing to IT strategy and roadmap decisions. Qualifications Candidates should possess strong skills in Network Administration and Information Technology for managing and optimizing infrastructure and systems. Candidates should possess solid Technical Support and Troubleshooting skills to diagnose, resolve, and prevent complex IT issues. Candidates should possess expertise in Network Security to implement, monitor, and improve security controls and practices. Extensive experience in leading IT infrastructure projects, including planning, implementation, and migration activities. Proven ability to manage and mentor IT teams, with strong communication and stakeholder management skills. Experience with server and cloud technologies, virtualization, backup and recovery, and IT monitoring tools. Relevant professional certifications (e.g., CompTIA Network+, CCNA, MCSE, or similar) are beneficial. Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management · Administer, maintain, and optimize Windows and Linux server environments. · Manage VMware virtualized infrastructure (vSphere 8 and above). · Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. · Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. · Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). · Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). · Manage patching processes using ManageEngine Patch Manager Plus. · Support Microsoft 365 services and related cloud technologies. · In depth understanding of Cyber security · Monitor system performance, capacity, availability, and infrastructure health. · Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support · Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. · Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. · Manage OS deployment, imaging, image creation, maintenance, and software packaging. · Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. · Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. · Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support · Support and administer business-critical applications, including: · Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP · Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management · Support vulnerability management using tools such as Tenable. · Manage security monitoring and log analysis tools (e.g., Splunk). · Perform SSL/TLS certificate lifecycle management using OpenSSL. · Create and manage CSRs, certificate chains, and private keys. · Ensure adherence to cybersecurity policies, standards, and regulatory requirements. · Support physical access control systems (e.g., Paxton) Operating Systems · Windows 11 · Windows Server 2019/2022 (or equivalent enterprise environments) · Red Hat Linux Infrastructure & Virtualization · VMware vSphere / vCenter (v8.0.3 and above) · Veeam Backup & Replication · Veeam ONE, VRO · Microsoft Office 365 · ManageEngine Patch Manager Plus · SAAS solutions · SQL Server Security · Symantec Endpoint Protection (SEP) · Symantec Endpoint Encryption (SEE) · SentinelOne – EDR/ XDR · Endpoint DLP solutions · Firewall administration · Vulnerability management tools (e.g., Tenable) · SIEM tools (e.g., Splunk) Networking · Cisco Switches and Routers · FortiGate Firewalls · LAN/WAN networking and routing Hardware & Storage · Dell PowerEdge Servers · Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be circa £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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Offre premium
CDD

Offre d'emploiSenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Publiée le
Active Directory Domain Services (AD DS)
Cisco
Microsoft Windows

12 mois
£70k-75k
Cité de Westminster, Royaume-Uni
Senior IT Infrastructure & Systems Lead Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period This role is totally hands-on. Role Description The Senior IT Infrastructure & Systems Lead is a full-time hybrid role based in London, with flexibility for some work-from-home arrangements. This role is responsible for overseeing the day-to-day operation, maintenance, and improvement of the company's IT infrastructure, including networks, servers, and core systems. The person in this role will lead and mentor technical staff, manage system performance and availability, and coordinate responses to incidents and service requests. Typical tasks include monitoring network and system health, implementing security measures, resolving technical complex issues, planning upgrades, and collaborating with stakeholders to align technology solutions with business needs. The role also involves vendor management, documentation of infrastructure and procedures, and contributing to IT strategy and roadmap decisions. Qualifications · Candidates should possess strong skills in Network Administration and Information Technology for managing and optimizing infrastructure and systems. · Candidates should possess solid Technical Support and Troubleshooting skills to diagnose, resolve, and prevent complex IT issues. · Candidates should possess expertise in Network Security to implement, monitor, and improve security controls and practices. · Extensive experience in leading IT infrastructure projects, including planning, implementation, and migration activities. · Proven ability to manage and mentor IT teams, with strong communication and stakeholder management skills. · Experience with server and cloud technologies, virtualization, backup and recovery, and IT monitoring tools. · Relevant professional certifications (eg, CompTIA Network+, CCNA, MCSE, or similar) are beneficial. · Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management · Administer, maintain, and optimize Windows and Linux server environments. · Manage VMware virtualized infrastructure (vSphere 8 and above). · Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. · Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. · Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). · Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). · Manage patching processes using ManageEngine Patch Manager Plus. · Support Microsoft 365 services and related cloud technologies. · In depth understanding of Cyber ​​security · Monitor system performance, capacity, availability, and infrastructure health. · Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support · Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. · Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. · Manage OS deployment, imaging, image creation, maintenance, and software packaging. · Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. · Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. · Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support · Support and administer business-critical applications, including: · Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP · Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management · Support vulnerability management using tools such as Tenable. · Manage security monitoring and log analysis tools (eg, Splunk). · Perform SSL/TLS certificate lifecycle management using OpenSSL. · Create and manage CSRs, certificate chains, and private keys. · Ensure adherence to cybersecurity policies, standards, and regulatory requirements. · Support physical access control systems (eg, Paxton) Operating Systems · Windows 11 · Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization · VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 · ManageEngine Patch Manager Plus SaaS solutions SQL Server Security · Symantec Endpoint Protection (SEP) · Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration · Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers · FortiGate Firewalls · LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers · Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be around £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
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