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Freelance

Mission freelanceUn Expert(e) Réseau & Sécurité N3 – Huawei / S-SDWAN sur Bondoufle

Almatek
Publiée le
LAN
WAN

6 mois
400-460 €
Bondoufle, Île-de-France
Almatek recherche pour l'un de ses clients, Un Expert(e) Réseau & Sécurité N3 – Huawei / S-SDWAN sur Bondoufle Compétences techniques Lan/Wlan Huawei - Confirmé - Important SSDWAN - Confirmé - Important NCE - Confirmé - Souhaitable Forcepoint - Confirmé - Souhaitable Connaissances linguistiques Anglais Professionnel détaillée Description du poste : En tant qu'expert réseau et sécurité Niveau 3, vous serez responsable de la gestion et de la maintenance des infrastructures réseau qui délivrent les services métiers des Points de Vente de l'entreprise. Vous travaillerez en étroite collaboration avec l'équipe informatique pour assurer la disponibilité, la sécurité et la performance des réseaux des Points de Vente en France et à l'étranger. Responsabilités : Assurer la surveillance et la maintenance des réseaux locaux (LAN) et étendus (S-SDWAN). Diagnostiquer et traiter les dysfonctionnements réseau et sécurité de niveau 3. Installer, configurer et mettre à jour les équipements réseau (routeurs, switches, Firewall, etc.). Contribuer à la gestion des incidents et des demandes de service. Collaborer avec les autres équipes et les projets, les fournisseurs et les prestataires de services pour intégrer les évolutions et résoudre les problèmes complexes. Rédiger, compléter et amender les documentations relatives aux évolutions et au maintien en condition opérationnelle du périmètre dont il a la charge. Assurer la sécurité des réseaux en définissant et appliquant les politiques et les procédures de sécurité. Former et assister les niveaux 2 et autres niveaux 3, sur les bonnes pratiques réseau. Compléter et amender les procédures de communication liées aux procédures de gestion des demandes de service. Compétences requises : Expérience de 4 ans minimum dans un poste similaire. Solides connaissances des protocoles réseau (S-SDWAN, IP, VLAN, Wi-Fi, BGP, VPN, etc.). Maîtrise des équipements réseau et sécurité (Cisco, Extreme, Huawei, Forcepoint). Compétences en diagnostic et résolution d'incidents. Capacité à travailler en équipe et à communiquer efficacement. Certification réseau (CCNA, CCNP, etc.) souhaitée. Certification ITIL souhaitée. Niveau anglais professionnel et fonctionnel écrit et oral. Qualités personnelles : Rigueur et sens de l'organisation. Réactivité et capacité à gérer les priorités. Esprit d'analyse et de synthèse. Autonomie et prise d'initiative. Formation : Bac+/3 en informatique, réseaux et télécommunications ou équivalent.
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CDI

Offre d'emploiDevOps Engineer with AWS

Nexus Jobs Limited
Publiée le

£60k-80k
Leeds, Royaume-Uni
DevOps Engineer with AWS To successfully build and deliver our next-generation cloud-hosted and cloud-native technology platforms. You will work within product teams responsible for the full software development life cycle, from conception to deployment. You will support the teams to ensure that solutions and products being developed consider all functional and non-functional requirements including support, maintenance, capacity, security and with a focus on performance. In addition, you will use your skills and experience to help implement DevOps practices across all of IT and drive the modernisation of our platform going forwards. Key accountabilities Build and maintain production and non-production environments to ensure high availability and cost optimization Build and maintain continuous integration and deployment pipelines to achieve fast, effect software delivery Improve performance and scalability of existing systems to meet functional and non-functional requirements Monitor and troubleshoot infrastructure related issues to minimize incidents and achieve resolution SLAs Develop and document best practices for application build and deployment (CI/CD) Contribute to ensuring that applications perform to user expectations and are continuously improved and maintained Work with the Lead Software Engineers, Architecture team and the Solution Delivery teams to contribute to the on-time delivery of solutions and applications Obtain guidance and approval as required to advance activities and resolve issues Communicate regularly regarding the status of current software delivery activities, actively participating in all relevant Scrum ceremonies Maintain an up to date working knowledge of industry best practice in the areas of software engineering and development, supporting and mentoring Solution Delivery teams where necessary BS/MS degree in Computer Science or 4-8 years related experience AWS Certification(s) such as Solutions Architect Pro, DevOps Engineer Pro, SysOps Admin, Developer Associate. Ability to work effectively within a team and autonomously with minimal supervision Be confident with Infrastructure as Code and code release strategies. Have experience with application and infrastructure monitoring. Experience implementing and designing cloud native security concepts, DevSecOps, or MLOps. Agile development techniques and Project management (SCRUM, KANBAN etc.) You'll be familiar with a cloud-native approach You have a curiosity for new technologies and a thirst for automation, standardisation, continuous integration and continuous delivery Strong interpersonal skills with the ability to deal with individuals (internal and external) at all levels The ability to support people through change A strong problem solver and a self-starter with a 'can do' attitude. You will speak fluent English with excellent verbal and written communication skills Proficient with Git and Git workflows Exceptional understanding of AWS, containerisation technology, infrastructure and strong technical design skills. Experience with the full software development lifecycle and delivery using Agile practices. Automating cloud native technologies, deploying applications, and provisioning infrastructure. Infrastructure as Code, using CloudFormation, Terraform, or other tools. Azure DevOps Pipelines JIRA & Confluence Knowledge of IP networking, VPN's, DNS, load balancing and firewall. Develop platforms with scalability, security and performance in mind, leveraging the cloud. 5+ years of experience as a technical specialist. 2+ years of hands-on experience of programming in languages such as .Net, Java, C++, Python, Ruby, Go, Swift or similar object-oriented language. Experience with AWS - including but not limited to EC2, S3, RDS, Lambda and CloudFormation Experience of SQL and Windows severs would be beneficial Hands-on experience with microservices and distributed application architecture, such as containers, Kubernetes, and/or serverless technology. Proficient in leveraging CI/CD tools to automate testing and deployment An expert who can create tooling and automation which improve developer experiences and speed of delivery. Experienced in working in an agile environment (Scrum / Kanban). You'll be someone who is happy to work independently or collaboratively on multiple tasks. Overall you are a highly motivated DevOps engineer who is passionate about writing excellent code, have strong communication skills and keen to continuously learn and share knowledge with other The Client is happy to consider 2 days a week in the office or at a push 2 days a month. Salary circa £60K - £80K + Benefits. Please do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiAgent Support Niveau 1 (H/F)

SYAGE
Publiée le
Support utilisateurs

Bastia, Corse
Contexte : Basé(e) à Bastia, vous rejoignez une équipe informatique à taille humaine qui accompagne quotidiennement plus d'un millier de collaborateurs répartis entre nos sites en France, en Italie et les navires de notre flotte. Vous êtes le premier interlocuteur des utilisateurs pour toute demande d'assistance informatique. Vous intervenez sur des problématiques variées concernant les postes de travail, Microsoft 365, les applications métiers, les comptes utilisateurs ou encore les problématiques de réseau et de connectivité. Vous travaillez en étroite collaboration avec les spécialistes systèmes, réseaux, développement et infrastructures de la DSI, qui vous accompagnent dans la résolution des incidents les plus complexes et favorisent votre montée en compétences. Responsabilités : Assurer le support informatique de niveau 1 (Helpdesk) auprès des utilisateurs en France, en Italie et à bord des navires. Réceptionner, qualifier et prioriser les demandes via téléphone, e-mail et outil de ticketing. Diagnostiquer et résoudre les incidents liés aux postes de travail, périphériques, Microsoft 365, comptes utilisateurs, applications métiers et problèmes de connectivité (Wi-Fi, VPN, TCP/IP). Escalader les incidents vers les équipes spécialisées lorsque cela est nécessaire en fournissant un diagnostic clair et documenté. Assurer le suivi des tickets jusqu'à leur résolution et maintenir les utilisateurs informés de leur avancement. Participer à la préparation et au déploiement des postes de travail ainsi qu'à la gestion du parc informatique. Documenter les interventions et contribuer à l'amélioration continue de la base de connaissances. Assister ponctuellement les équipes embarquées pour les problématiques informatiques rencontrées à bord des navires. Les + du poste : Un poste évolutif dans le temps une société bienveillante où l'on s'inscrit sur du long terme avec de beaux avantages ! Une équipe soudée et sympathique Une entreprise au sein de laquelle vous pourrez vous projeter à long terme et évoluer Un très beau cadre de travail
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CDI

Offre d'emploiSenior Infrastructure Engineer

Bluetown
Publiée le

£50k-58k
Wallasey, Angleterre, Royaume-Uni
Job Title: Senior Infrastructure Engineer Location: Liverpool City Centre HQ Salary: £50,000-£58,000 per annum depending on experience Job Type: Permanent, Full Time Here at Acorn we are looking for a passionate Senior Infrastructure Engineer to join us in Hands-on multi-disciplined technical support role within the IT infrastructure support and 3rd line escalation team. Within this team you will be supporting the Infrastructure Support Manager in driving delivery of robust, performant, resilient and recoverable infrastructure and systems, a mixture of on-premises and Azure. You will be supporting the technical development of the internal infrastructure team, maintaining infrastructure best practice and standards as well as ensuring all platforms are secure and meet all legislative compliance requirements. What you will be doing: You will be in a hands-on technical lead role within the infrastructure team, supporting the promotion of technical excellence and quality across the team and leading knowledge transfer. Use your expertise of classic infrastructure disciplines, technologies & best practices to drive the deployment and management of the on-premises infrastructure, ensuring all infrastructure assets and interfaces have appropriate monitors, alerts, backups and recovery plans in place. Although this role does not directly manage the Azure platform, it is expected that this role will manage aspects with the platform, requiring knowledge and close collaboration with the cloud platform team Use your experience to help the delivery of best-of-breed 3rd line support function, ensuring tickets and issues raised are managed efficiently and to expected quality, within SLA. Be continually aware of enhancements available within current deployed infrastructure solutions as well as any shifts in technology & enhancements benefitting the business. Work cross functionally with our Project, Development, Cloud Platform, and SecOps teams for new deployments, providing continual management and maintenance. Supporting the development of disaster recovery plans and maintaining operational resilience within the infrastructure remit. Lead technical evaluation of products within the infrastructure domain, participating in the deployment & implementation of the infrastructure technologies. Contribute to the technical design of best of breed infrastructure solutions, exploiting industry best practice. Work with the SecOps engineers to remediate any vulnerabilities identified within remit. About You: Critical Competencies: Minimum 4 years' Infrastructure experience, with minimum of 1yrs in a similar senior capacity or performing senior duties within a team of engineers with a support background. Excellent Active Directory and associated services skills Experience with broad variety of classic infrastructure disciplines & technologies; Network, Windows Server, Storage, Virtualisation, Security and Mail and associated services and functions Experience of team supervision, or mentoring would be an advantage. High level of knowledge with Office 365 suite of applications, security, and tools Excellent Microsoft Exchange skills, ideally in Hybrid solution Previous experience in designing and leading implementation of infrastructure solutions. Experience using infrastructure auto-deployment and scripting techniques; PowerShell, Ansible Experience of the development of design and documenting technical solutions Proactive and logical approach to fault identification, troubleshooting and problem solving. Working knowledge of ITIL What we are looking for: Network technologies; All LAN/WAN components, routing and protocols Windows Server and storage architecture solutions MS Exchange and messaging techniques and troubleshooting, ideally in hybrid setup An understanding of cloud computing platforms, principals, and services PowerShell or similar Scripting solutions Zero-trust solutions, VPN, SSO setup, PIM and MFA solutions Perimeter and Endpoint Security solutions, SWEG, Web Access, Anti-Malware config Microsoft Windows Server OS, updating, upgrading, Linux experience an advantage Backup & Recovery design and testing Mitigating infrastructure and operating system security vulnerabilities MS Office 365 platform support; SharePoint, OneDrive, Teams, Intune management Working within a ticket management system with SLA and KPI adherence Any certification or working experience supporting or implementing several of the infrastructure technologies listed below would be an advantage. Linux Server configuration and support MS SQL server and support Deploying and supporting cloud infrastructure, any platform an advantage Web application development techniques and tools, XML, .Net framework, and development lifecycle, to provide adequate support to the developer teams Jira helpdesk and confluence Terraform IaC deployments Remote Desktop RDS/AVD/VDI environments Supporting and securing Macbook devices IP Telephony design, implementation and/or support Please click the APPLY button to submit your CV for this role. Candidates with experience or relevant job titles of; IT Manager, Senior IT Engineer, Network Manager, Senior Infrastructure Manager, IT System Manager, Senior System Engineer, may also be considered for this role.
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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'emploiIT Support Engineer with 1st and 2nd Level Support

Nexus Jobs Limited
Publiée le

£30k-40k
Grand Londres, Royaume-Uni
IT Support Engineer with 1 and 2 Level Support Our Client is a very successful bank with offices across Europe and the Middle East. The Client is looking to recruit a 1st & 2nd Line IT Support Engineer for the Bank's Mayfair London office. You will have at least 3 to 5 years experience of 1 and 2 Level Support as an Engineer. Covering a range of various duties from; Desktop and Mobile support, to supporting our 150 + User base with 5-days a week onsite support with very limited to zero working from home, AV Support and other IT side-desk tasks. Your role will also allow you to work and learn from our Infrastructure, Communications, iSeries and Development Teams – semi-involved with various streams of IT work for 2024 (new imaging process – new ITSM tool – and many more projects coming in 2024). Main skills for the position: Required to cover onsite IT Support – Monday to Friday between our business hours of 08:00am -> 17:30pm (UK). As we work closely with our parent company in the Middle East and our European Branches, we require supporting ad-hoc out of hours support on Bank Holidays/Weekends which is rota based between the engineers in the team. • 1st and 2nd Line Troubleshooting / Root-Cause Analysis, Documentation write ups for Knowledge Base Articles • Be an integral part of the Support team in supporting and delivering all aspect of services and full range of client support including, but not limited to: Workstation Imaging, Hardware Configurations, Deployment of Software and Hardware, AD Management, Asset Management, Ticket Queuing Management and general overall efficiency to deliver the best service we can to our Users. • Be the face and central point of all incoming IT queries and issues, with following ITIL best practice to ensure we always deliver high-standards of operations • Liaise with colleagues in London, Europe and Jordan (middle-east) and external support / 3rd party to deliver resolutions for complex matters as we're in the process of many IT migration projects from legacy to new as well as life cycling projects • Ensure all key data for the Bank's IT is up-to-date, relevant and maintenance to high-level, to comply with the Bank's auditing principals and processes. • Ensure the Support Team achieve SLA targets the business outlines and be part of a proficient and proactive Support Unit • Ability to educate and support User bases of varied level of IT knowledge • High standard support for our VIPs (C – Level and Heads of Departments) Technical Skills Required: • Exposure to Market Data, Bloomberg, Trader Support (bonus) • Microsoft Windows (all versions) experience to a high level (troubleshoot and effectively resolve issues by research/using knowledge bases in a confident way). • Active Directory to a medium-high level - security groups, administration/deployment, LDAP, ADSI. • Know-how of Citrix XenApps – Administration, Maintenance and Support of existing Citrix XenApps server farm • Windows Server Environment 2012/2016 - design, deployment, maintenance and support. • Networking - design/troubleshoot/installation (DNS – DHCP – VLAN – Proxy Understanding - TCP/IP and OSI) to a moderate to advance level • PowerShell to a moderate level • VPN troubleshooting and Support understanding necessary. • Router maintenance - wireless configuration, installation and setups This is a 12 month FTC position. The salary will be negotiable in the range £30K - £40K. Do send your CV to us in Word format along with your salary and notice period/availability.
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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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Freelance

Mission freelanceConcepteur/Architecte systèmes industriels confirmé (7/8 min) - 1800

ISUPPLIER
Publiée le

10 mois
Noisy-le-Grand, Île-de-France
Contexte de la mission Le groupe Produits Embarqués de la DSI est en charge de la maîtrise d'œuvre des équipements embarqués liés à l'exploitation du réseau de surface tramway : SAE, Information Voyageur, Comptage, Vidéoprotection, Billettique, etc. L'équipe intervient également sur les projets de matériel roulant, notamment sur la définition des architectures des systèmes embarqués. Le groupe IVP assure également l'intégration système de certaines fonctions, notamment le comptage des passagers dans les tramways. La mission couvre ainsi les différentes phases du cycle de production, de la définition de l'architecture et des interfaces jusqu'à l'intégration, la validation, la recette et le déploiement des équipements et fonctions concernés. Les projets concernés sont notamment TW20 et PMB. Missions principales 1. Architecture et interfaces Définition des interfaces avec l'architecte embarqué TW20 et l'intégrateur système. Définition de l'architecture fonctionnelle et technique de la solution. Définition de l'architecture logique et organique du système. Spécification des besoins liés aux interfaces du PESAE. Spécification des demandes d'évolution logicielle. 2. Suivi des développements et du projet Suivi du titulaire EQUANS sur les développements des interfaces. Gestion et suivi du planning MOE PESAE selon les jalons du projet TW20. Mise en place et suivi des tableaux de bord et du reporting. Participation aux réunions et rédaction des comptes rendus. 3. Intégration, validation et recette Intervention dans les différentes phases d'acceptation : intégration ; validation ; recette. Réalisation et analyse des essais sur plateforme et tramway. Rédaction des procédures et rapports de tests. Analyse des logs à la suite des tests réalisés sur plateforme ou sur site. 4. Analyse des anomalies et résolution des problèmes Suivi des anomalies via les outils RATP (Mantis) et industriel (Salesforce). Analyse et investigation des problèmes remontés par l'exploitation. Rédaction de faits techniques. Analyse et rédaction de synthèses (REX) sur la résolution des problèmes et anomalies. Rédaction de notes et rapports d'analyse technique. 5. Déploiement Réalisation des déploiements logiciels sur les rames de tramways : à distance via la chaîne de transmission de données des tramways ; ou sur les sites de remisage lorsque cela est nécessaire. Livrables attendus Documents d'architecture Spécifications d'interface Cahiers des charges fonctionnels et techniques Matrice de traçabilité des exigences Tableaux de bord et plannings Expressions de besoin et cahiers des charges Comptes rendus de réunion Comptes rendus d'essais Faits techniques Notes et rapports d'analyse technique Procédures et rapports de tests Synthèses REX Compétences et expériences obligatoires : • Expérience en pilotage d'industriel et Suivi / gestion de projet • Expérience en rédaction de spécifications • Expérience en ingénierie système & Intégration validation • Connaissances des Systèmes d'Aides à l'Exploitation et de l'Information Voyageur • Connaissances des architectures systèmes, • Connaissances réseau IP, XML, • Anglais technique • Connaissance de l'environnement des transports ferroviaires ou environnement similaire • Connaissances Linux embarqué et serveur.
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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 d'emploiAzure qualified Technical Support Engineer - Investment Banking

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Grand Londres, Royaume-Uni

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