Trouvez votre prochaine offre d’emploi ou de mission freelance DHCP (Dynamic Host Configuration Protocol)

Ce qu’il faut savoir sur DHCP (Dynamic Host Configuration Protocol)

DHCP (Dynamic Host Configuration Protocol) est un protocole réseau qui permet d’attribuer automatiquement des adresses IP et d’autres paramètres réseau aux appareils connectés, comme les ordinateurs, les imprimantes ou les smartphones. Il simplifie la gestion des réseaux en éliminant la nécessité de configurer manuellement chaque appareil. Lorsque un appareil se connecte à un réseau, le serveur DHCP lui assigne une adresse IP unique, ainsi que d'autres informations essentielles, telles que le masque de sous-réseau, la passerelle par défaut et les serveurs DNS. Ces adresses peuvent être attribuées pour une période déterminée (bail) et sont renouvelées automatiquement si nécessaire. Le DHCP est largement utilisé dans les réseaux domestiques, professionnels et les datacenters pour garantir une configuration réseau rapide, flexible et sans conflit d’adresses IP. Il est intégré dans les routeurs et les serveurs, et joue un rôle clé dans la gestion des infrastructures réseau modernes.

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CDI

Offre d'emploiIT Infrastructure Support Engineer

Nexus Jobs Limited
Publiée le

£40k-45k
Grand Londres, Royaume-Uni
IT Infrastructure Support Engineer Our Client a bank based in Central London is looking to recruit a bright talented individual as an IT Infrastructure Support Analyst with circa 5 to 6 years IT Support experience. You will have at least to 5 to 6 years hands-on experience within IT Infrastructure ideally from the Banking or Financial arena. Must have in-depth knowledge of troubleshooting experience with Windows, Office365 and ideally Banking applications and conferencing applications. The Client is rolling out MS Windows 11 and would therefore like to recruit an individual with these skills. You will be responsible for the support and maintenance of the IT infrastructure for the Branch and to provide IT support to staff. 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. Business Performance duties · Familiarity with core banking systems or financial applications · Provide first/Second level support for hardware, software, and network-related issues and working knowledge of VMWare. · Install, configure, and maintain desktops, laptops, printers, Phones/Mobiles and other IT equipment. · Laptop imaging experience needed (WIM USB, MDT, SCCM, Intune, AutoPilot) – Image creation, management and deployments. · Assist in user account management in Active Directory, Microsoft 365, Sharepoint, Onedrive, Teams, and banking systems · Networking Fundamentals – DNS, DHCP, TCP/IP, and LAN/WAN. · Understanding of cybersecurity measures. · Perform routine system backups and assist with disaster recovery operations. · Monitor system performance and report abnormalities to senior IT staff · Assist with software updates, patches, and antivirus management. · Exposure to following Fortinet solutions – fortigate, forticlient VPN, Symantec Endpoint Protection & Encryption, Bitlocker, SentinelOne, Cisco Switches, Tenable, Group policy, ManageEngine, Nagios, MFA · Document IT procedures and maintain technical documentation relating to role. Technical/Functional skills - Proficient in common operating systems (Linux – Redhat & Ubuntu, Windows OS –Win10 &11) - Software proficiency – 0365, Sharepoint and Teams – Banking Applications - Networking (IT) - Proficient in programming languages & Automation (good to have) - Project management - Data analysis - Excellent troubleshooting and problem-solving skills. - AV Support - Understanding of cybersecurity fundamentals The Client is based in Central London. This is a hybrid role with at least 3 days a week in the office in Central London. The salary for this position will be circa £40K - £45K. Do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiSenior Azure Cloud Infrastructure Analyst

Nexus Jobs Limited
Publiée le

Trumbull, Connecticut, États-Unis d'Amérique
Senior Azure Cloud Infrastructure Analyst The Senior Azure Cloud Infrastructure Analyst is a hands-on role planning and managing Azure cloud infrastructure delivery, including daily management, DevOps, capacity planning, and participating in defining the company's global infrastructure architecture. The Senior Analyst will ensure the quality and timely delivery of technology efforts in support of strategic infrastructure projects and works closely with other teams to define infrastructure requirements to support applications, security, and compliance initiatives. The Senior Azure Cloud Infrastructure Analyst works with different teams to design and implement cloud solutions that fit organizational requirements. This individual is an expert in Azure DevOps and Azure infrastructure and security configurations, recommends standards and security requirements that match written information security policy. Prior experience in an international enterprise environment is essential. Responsibilities: Collaborate with IT teams for input and operational requirements to design and implement overall cloud infrastructure and security strategy. Coordinate and lead infrastructure\security initiatives in the Azure cloud. Serve as the technical lead in Azure cloud DR and recovery strategies that align with information security policies. Develops and implements backup and recovery strategies to support data retention requirements. Evaluates and designs highly available, scalable, and redundant applications in the Azure cloud. Coordinates with cross-functional teams to support development, code promotion, continuous improvement following DevOps / DevSecOps best practices. Participate in the development and testing of an incident response planfor incidents that affect the cloud infrastructure. Ensure infrastructure is maintained and security is designed for every deployment. Manages projects to ensure that the delivery is on-time, within budget, and adopted to meet the company's information protection requirements. Actively supports the organization's cloud initiatives and responds to business requirements while achieving SLAs in place to support the organization's needs. Adhere to applicable change management policy and procedure. Qualifications: Bachelor's degree required. Candidates must possess significant analytical skills, which evolved from early academic training in Networking, Information Systems, Computer Science, or similar discipline. Minimum of 5 years' experience in a variety of infrastructure technologies. Ability to lead multi-disciplined teams when conducting incident root cause analysis Serve as the technical expert in the Azure cloud. Proficient in continuous integration, continuous delivery concepts (DevOps), with DevSecOps highly desirable. Desired Qualifications: Any Azure, AWS, GCP, Nutanix, Meraki, Cisco, or security certifications Knowledge and experience with Microsoft Office and Visio Knowledge of WAN technologies, including MPLS, SD-WAN Knowledge of cloud-provided infrastructure (AWS, GCP) Prior experience implementing/maintaining Cisco ELA products including DNA, Firepower, ISE Management console, Umbrella, AMP, Stealth watch, as well as Splunk, SolarWinds, Varonis, and Darktrace Project management skills are highly desirable Proficiency in hybrid cloud, virtualization, Server OS, SAN, SMTP, email relay, email security, Active Directory, Group Policy, DNS, DHCP Working knowledge of Cisco network switches, routers, firewalls and VPN, DLP, antivirus, IDS/IPS, SIEM, SQL VDI, and Security concepts ITIL Foundation Certification Previous experience in a HIPAA/FDA regulated environment The role will be based in Trumbull CT USA. The salary for this position is in the range $120K - $135K. Please do send your CV to us in Word format along with your salary and availability.
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CDI

Offre d'emploiIT Support Technician

Nexus Jobs Limited
Publiée le

£28k-30k
Milton Keynes, Angleterre, Royaume-Uni
IT Support Technician Purpose The role of IT Support Technician will lead and manage all day-to-day IT 2 and 3 line support activities for Schools. The IT Support Technician will liaise with School staff, the IT Service Desk and other 3 line support teams to identify, prioritise, own and resolve all IT support and service requests. The IT Support Technician will work closely with the Projects teams to assist with the seamless delivery of technology transition projects This position is a UK role and will be required to support other schools/sites as requested by the UK Service Delivery Manager. Key Responsibilities Provide 2 and 3 line support to UK School staff and students Support Transformation Projects Work alongside and support strategic technical delivery and IT Solutions Strategy Carry out routine BAU maintenance of all computer hardware and network services to maintain agreed availability. Respond to and resolve IT faults and requests through onsite visits and remote support tools to agreed service levels. Install and configure approved computer hardware and licensed software, following agreed policies and procedures. Maintain site documentation, including hardware and software inventories, to ensure accuracy of information, legal and financial compliance. Manage staff and student user accounts following agreed policies and procedures. Monitor and maintain server back-ups to ensure system and user data is protected and secure. Monitor IT (physical and network) security and report any risks or incidents to School Head teachers, IT Manager Any other reasonably requested duties Person Specification Exceptional customer service and communication skills, including written and verbal. Excellent interpersonal skills including communicating effectively and professionally with people at all levels of the organization. Effective communication skills in a technical respect with other IT professionals, and in non-technical terms with other colleagues Self-motivation, effective time management and the ability to work unsupervised. Must be able to use initiative and work under pressure, consistently employing a customer centric approach to resolving all IT issues. Demonstrable methodical problem solving, excellent analytical skills and creative thinking. Able to demonstrate good judgement and decision-making skills in resolving issues in challenging situations, knowing when to sign post, escalate and resolve issues. Experience in establishing new processes and procedures as well as following those already in place and always looking for improvements. A desire to, and demonstrable experience of supporting teaching and learning Project team member skills Effective engagement with IT service partners and 3rd parties A clean UK driving license. Technical Skills Windows Server 2012/2016 Windows 10 Active Directory support Office365 Microsoft Office 2013/2016 suites LAN & WAN technologies and protocols, including VLAN, wireless, DNS and DHCP. SIMS.net and SOLUS3 support AV and interactive boards and screens Shared printing solutions Desktop/Server Hardware support and troubleshooting Apple device management and support Experience Experience of working in a Service Desk environment (2nd - 3rd line support role) Experience of working in the education or similar sector is preferable. ITIL preferred but not essential. Key Competencies Role Specific Work Planning and Scheduling Time Management Listening and Organisation Training, Mentoring and Delegating Problem Identification and Solution Process Improvement Safeguarding Responsibilities To comply with safeguarding policies, procedures and code of conduct To demonstrate a personal commitment to safeguarding and student/colleague wellbeing To ensure that any safeguarding concerns or incidents are reported appropriately in line with policy. To engage in safeguarding training when required Remuneration Competitive salary Contributory pension scheme Private healthcare Life assurance School fee discount Professional development 25 days holiday (pro-rata'd to part time) You will be based between 2 schools in Milton Keynes. The salary will be circa £28K - £30K + Benefits. Please do send your CV to us in Word format along with your salary and notice period.
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Freelance
CDI

Offre d'emploiIntégrateur d'Applications Métiers / Ingénieur Intégration (H/F)

virtualbrains
Publiée le
Azure
Power Apps
SQL

1 an
40k-45k €
400-480 €
Paris, France
Au sein de la Direction Technique des Systèmes d'Information de notre client, vous rejoindrez le pôle Architecture, Intégration & Déploiement en tant qu'Intégrateur d'Applications Métiers. Votre rôle sera d'assurer l'intégration des applications et des infrastructures, depuis les phases projets jusqu'à leur mise en production, dans un environnement mêlant infrastructures on-premise, Cloud Microsoft Azure et solutions SaaS. Vos principales missions : Intégrer les applications métiers dans le système d'information de l'entreprise. Participer à la conception des architectures techniques (On-Premise, Azure, SaaS, Power Platform). Rédiger et maintenir les documents d'architecture technique (DAT, DSTI). Définir les prérequis d'infrastructure et accompagner les premiers déploiements. Participer aux comités de mise en production. Assurer l'intégration des solutions dans le respect des standards d'architecture. Collaborer avec les équipes systèmes, réseaux, sécurité et responsables applicatifs. Contribuer aux projets autour du SSO, Active Directory, ADFS, gMSA et des mécanismes d'authentification. Participer à l'automatisation et à l'industrialisation des déploiements. Vous évoluerez dans un environnement technique moderne avec de nombreuses interactions entre les équipes infrastructure, cloud et développement. Compétences attendues Microsoft Azure Microsoft Entra ID Windows Server Linux (Debian / Ubuntu) IIS Active Directory ADFS SSO OAuth2 OpenID Connect SAML 2.0 Power Platform Power Apps Microsoft 365 GitLab Rundeck PowerShell Ansible Terraform Docker Kubernetes VMware PKI SQL Server PostgreSQL DNS DHCP Réseaux Architecture applicative Intégration applicative Cloud Azure
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CDI

Offre d'emploiEXPERT UNIX (H/F)

GROUPE ALLIANCE
Publiée le
Ansible
Gitlab
Harbor

55k-60k €
France
ACCROCHE SI TU SAIS QUE LA STABILITÉ D'UN SI REPOSE SUR DES FONDATIONS SOLIDES, CETTE ANNONCE EST FAITE POUR TOI ... CE QUE TU RECHERCHES : Administrer et faire évoluer des infrastructures systèmes critiques Garantir la disponibilité, la performance et la sécurité des environnements IT Relever des défis techniques dans des environnements complexes et exigeants Donner un nouveau souffle à ta carrière Alors nous avons la mission idéale pour toi Au sein d'un acteur majeur du secteur de de la grande disctribution, tu participeras à la gestion, à l'optimisation et à l'évolution des infrastructures systèmes afin d'assurer la continuité et la fiabilité des services IT : Administration des environnements Windows et Linux, tu réaliseras Déploiement et configuration des serveurs et services associés, tu piloteras Supervision des systèmes et gestion des incidents, tu assureras Optimisation des performances et gestion des capacités, tu coordonneras Mise en œuvre des bonnes pratiques de sécurité et de sauvegarde, tu garantiras Participation aux projets d'évolution et de modernisation des infrastructures, tu contribueras Veille technologique et amélioration continue, tu impulseras QUI TU ES : Diplômé(e) de la formation qui va bien Expérience de 10 ans minimum en administration ou ingénierie systèmes Maîtrise des environnements et des solutions de virtualisation : Windows Server, Linux et des services associés (AD, DNS, DHCP), VMware, Hyper-V Compétences en scripting : PowerShell, Bash Connaissance des environnements cloud (AWS, Azure, GCP) appréciée AU-DELÀ DES COMPÉTENCES TECHNIQUES, TU ES / AS : Rigoureux(se) : tu assures la stabilité et la fiabilité des systèmes Autonome : tu gères ton périmètre avec méthode Analytique : tu sais diagnostiquer rapidement les incidents Méthodique : tu documentes et structures chaque action Communicant(e) : tu échanges efficacement avec les équipes IT Pragmatique : tu proposes des solutions adaptées aux contraintes terrain Curieux(se) : tu suis les évolutions technologiques systèmes et cloud Orienté(e) service : tu garantis la continuité et la qualité des services IT
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CDI

Offre d'emploiIngénieur NetDevOps (H/F)

CELAD
Publiée le

38k-42k €
Toulouse, Occitanie
Vous aimez automatiser, industrialiser et faire évoluer des infrastructures réseau à grande échelle ? Rejoignez une entreprise internationale spécialisée dans les services de connectivité et les infrastructures critiques, où l'automatisation n'est pas un projet d'avenir mais un levier stratégique déjà au cœur des opérations. Au sein d'une équipe d'experts, vous contribuerez à concevoir les solutions d'orchestration qui permettent de déployer, exploiter et faire évoluer des services réseau complexes de manière fiable, automatisée et scalable. Si vous aimez résoudre des problématiques techniques variées, travailler avec des équipes internationales et participer à la construction d'une plateforme moderne, cette opportunité est faite pour vous. En tant qu'Ingénieur NetDevOps, vous jouerez un rôle clé dans la stratégie d'automatisation des infrastructures réseau. Vos missions : 🎯 Concevoir et faire évoluer les workflows et procédures d'orchestration. Développer les intégrations nécessaires pour automatiser les fonctions réseau et les processus opérationnels. Participer à l'architecture des solutions d'orchestration et proposer les meilleures approches techniques. Déployer, maintenir et faire évoluer les plateformes d'automatisation. Collaborer avec les équipes Réseau, Systèmes et Développement afin de construire des infrastructures robustes et facilement exploitables. Accompagner les projets depuis la phase de cadrage jusqu'à leur mise en production. Garantir la qualité, la fiabilité et la cohérence des services automatisés délivrés aux clients. Environnement technique : 🛠️ Vous évoluerez dans un environnement mêlant automatisation, développement et infrastructures réseau : Orchestration & Automation : Itential, n8n, Ansible Développement : Python, Node.js, JavaScript, YAML APIs & Data : REST, OpenAPI, JSON, SQL Systèmes : Linux, Bash Réseaux : Switching, Routing (BGP, OSPF), SDN/NFV, Fortinet, services réseau (DNS, DHCP, RADIUS...), supervision
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Freelance

Mission freelanceIngénieur NetDevOps (H/F)

CELAD
Publiée le

1 an
380-430 €
Toulouse, Occitanie
Vous aimez automatiser, industrialiser et faire évoluer des infrastructures réseau à grande échelle ? Rejoignez une entreprise internationale spécialisée dans les services de connectivité et les infrastructures critiques, où l'automatisation n'est pas un projet d'avenir mais un levier stratégique déjà au cœur des opérations. Au sein d'une équipe d'experts, vous contribuerez à concevoir les solutions d'orchestration qui permettent de déployer, exploiter et faire évoluer des services réseau complexes de manière fiable, automatisée et scalable. Si vous aimez résoudre des problématiques techniques variées, travailler avec des équipes internationales et participer à la construction d'une plateforme moderne, cette opportunité est faite pour vous. En tant qu'Ingénieur NetDevOps, vous jouerez un rôle clé dans la stratégie d'automatisation des infrastructures réseau. Vos missions : 🎯 Concevoir et faire évoluer les workflows et procédures d'orchestration. Développer les intégrations nécessaires pour automatiser les fonctions réseau et les processus opérationnels. Participer à l'architecture des solutions d'orchestration et proposer les meilleures approches techniques. Déployer, maintenir et faire évoluer les plateformes d'automatisation. Collaborer avec les équipes Réseau, Systèmes et Développement afin de construire des infrastructures robustes et facilement exploitables. Accompagner les projets depuis la phase de cadrage jusqu'à leur mise en production. Garantir la qualité, la fiabilité et la cohérence des services automatisés délivrés aux clients. Environnement technique : 🛠️ Vous évoluerez dans un environnement mêlant automatisation, développement et infrastructures réseau : Orchestration & Automation : Itential, n8n, Ansible Développement : Python, Node.js, JavaScript, YAML APIs & Data : REST, OpenAPI, JSON, SQL Systèmes : Linux, Bash Réseaux : Switching, Routing (BGP, OSPF), SDN/NFV, Fortinet, services réseau (DNS, DHCP, RADIUS...), supervision
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Freelance

Mission freelanceExpert Infrastructure – Storage & Virtualisation

LeHibou
Publiée le
Active Directory
Ansible
NetApp

5 mois
725 €
Liège, Belgique
Notre client dans le secteur Aérospatial et défense recherche un/une Expert Infrastructure – Storage & Virtualisation H/F Description de la mission : Description de mission – Infrastructure, stockage et virtualisation Contexte et objectif de la mission La ressource interviendra sur différents projets et différentes tâches liés au stockage, à la virtualisation et plus généralement à l'infrastructure. Les tâches seront à définir avec le client, en lien avec la description de fonction initiale. Missions principales 1. Administration stockage NetApp • Administration avancée des baies NetApp ONTAP (NAS/SAN) • Gestion des SVM, volumes, LUN, snapshots, SnapMirror, SnapVault • Optimisation des performances (QoS, tiering, FabricPool) • Surveillance de la capacité et planification des expansions • Analyse et résolution des incidents complexes Dell PowerScale / Isilon • Administration des clusters Isilon (OneFS) • Configuration SMB/NFS, SmartPools, SmartConnect, SnapshotIQ • Gestion du scaling (ajout/remplacement de nœuds), tuning et résolution des alertes • Optimisation du throughput pour charges lourdes Dell PowerStore • Gestion des appliances PowerStore X/T • Gestion du provisioning, des volumes, des hôtes et de l'intégration VMware • Suivi des performances, migrations et optimisation des workloads 2. Administration des plateformes VMware • Gestion avancée de vCenter Server, ESXi et des clusters HA/DRS • Création, optimisation et maintenance des datastores (VMFS, NFS, vVOL) • Configuration des réseaux virtuels (vSwitch Standard, vDS, VLAN, trunk) • Gestion du cycle de vie ESXi (images, drivers, firmwares) 3. Administration avancée Windows Server • Gestion des environnements Windows Server 2016/2019/2022 • Gestion Active Directory : GPO, réplication, durcissement, DNS/DHCP • Expertise en haute disponibilité : clustering Failover, DFS • Support niveau expert sur les serveurs applicatifs • Troubleshooting avancé (I/O, CPU, mémoire, pilotes, compatibilité) • Administration avancée VMware 4. Expertise réseau • Maîtrise des protocoles NAS/SAN : SMB3, NFSv3/v4, iSCSI, FC • Connaissances réseau IP avancées : VLAN, LACP, routage, ACL, firewall • Gestion de la connectivité Datacenter (TOR, Spine-Leaf, redondance) • Troubleshooting réseau lié au stockage (latence, drop, congestion) 5. Conception, architecture et projets • Participation aux études d'architecture stockage / Windows / virtualisation • Contribution à la définition des standards d'infrastructure • Pilotage technique lors des projets majeurs (migrations, refresh hardware) • Rédaction de documents techniques : DATD, DATG, procédures • Analyse de capacité et anticipation des besoins futurs 6. Support expert et amélioration continue • Support N3 lors d'incidents complexes impactant la production • Analyse de tendances et mise en place d'actions préventives • Automatisation des tâches (PowerShell, Ansible, API NetApp/PowerScale) • Veille technologique et proposition d'améliorations continues Profil recherché Le profil recherché présente une expertise avancée en stockage, virtualisation, systèmes Windows Server et réseau. Il est attendu une capacité à intervenir sur des sujets d'administration avancée, de support niveau expert, de pilotage technique de projets d'infrastructure, d'architecture et d'amélioration continue. Livrables attendus • Documents techniques : DATD, DATG, procédures • Analyses de capacité • Actions préventives et propositions d'amélioration continue Compétences / Qualités indispensables : Administration NetApp ONTAP, Dell PowerScale / Isilon, VMware (vCenter, ESXi, HA/DRS), Windows Server & Active Directory, Expertise réseau NAS/SAN, Automatisation PowerShell / Ansible Compétences / Qualités qui seraient un + : / Informations concernant le télétravail : Oui — 1 jour/semaine
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CDI

Offre d'emploiSenior IT Infrastructure & Systems Manager

Nexus Jobs Limited
Publiée le

£55k-60k
Grand Londres, Royaume-Uni
Senior 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. 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 3 days in the office in Central London. Salary for this role will be in the range £55K - £60K. 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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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'emploiIngénieur Intégration Systèmes Windows H/F

SCC France SAS
Publiée le
Administration Windows
Microsoft SQL Server
Microsoft Windows

Toulouse, Occitanie
🌍SCC est la division « technologie » du Groupe Rigby. Premier groupe informatique privé en Europe, un acteur majeur de l'intégration et des services informatiques d'infrastructure. L'ambition de SCC est de fournir à ses clients des solutions technologiques et des services intégrés pour assurer l'efficacité financière et opérationnelle de leur outil informatique et supporter leur compétitivité. Partenaire incontournable, SCC répond à l'ensemble des besoins clients, des plus simples aux plus complexes, grâce à l'étendue de son offre et de sa couverture géographique, son expertise tant généraliste que spécialisée et la portée de ses centres de service. 🤝SCC est avant tout une aventure humaine. Ses collaborateurs sont sa principale richesse. Ensemble, ils sont réunis autour de cinq valeurs d'entreprise : l'esprit d'entreprendre, le professionnalisme, l'esprit d'équipe, l'engagement et les diversités. Chez SCC, nous valorisons la diversité et l'inclusion. Chaque talent compte, indépendamment du genre, du handicap ou de toute autre distinction. Présente sur tout le territoire national, SCC compte plus de 5 000 clients, 3 500 collaborateurs et d'un chiffre d'affaires de 3 Milliards d'EUR en France au 31/03/2025. Annonce ➡️ Mission principale Au sein du service Études et Développement, vous intervenez en tant qu'Ingénieur Intégration Systèmes afin d'assurer l'intégration et le maintien en condition opérationnelle des systèmes d'exploitation et des applications sur les environnements de production. Vous participez à l'industrialisation des déploiements et contribuez à la fiabilité des infrastructures. ➡️ Responsabilités Assurer la mise en place et MCO des environnements sur les plateformes intégrations, images, développements et recettes • Vérifier la compatibilité entre les différents éléments à intégrer sur la plateforme d'intégration Résoudre les problèmes rencontrés (en relation avec l'équipe de développement) Industrialiser les process de déploiement et mis en pilote Rédiger et mettre à jour les procédures d'installations des applications Intégration de système d'exploitation : paramétrage, procédure d'installation automatique, tuning, … Réaliser le paramétrage technique des applications, environnement et des infrastructures Assurer le support technique aux équipes internes Réaliser les diagnostics des incidents N3 ➡️ Environnement technique Windows Server 2016-2022 (AD, GPO, DNS, DHCP), outils: WSUS et WDS Base de données : SQL Server; PostrGre SQL Scripting : Powershell
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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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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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Offre premium
CDI

Offre d'emploiSenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Publiée le
Administration Windows
Center for Internet Security (CIS)
LAN

£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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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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Les métiers et les missions en freelance pour DHCP (Dynamic Host Configuration Protocol)

Administrateur·rice réseaux

L'Administrateur·rice réseaux configure et maintient les serveurs DHCP pour automatiser l’attribution des adresses IP dans les réseaux, assurant leur bon fonctionnement et leur scalabilité.

Ingénieur·e systèmes & réseaux

L'Ingénieur·e systèmes & réseaux implémente et optimise les services DHCP dans les infrastructures réseau, en veillant à la compatibilité avec d'autres protocoles réseau comme DNS et NAT.

Responsable systèmes et réseaux

Le/ La Responsable systèmes et réseaux supervise les infrastructures réseau, y compris la gestion des services DHCP pour garantir une connectivité fluide et fiable.

Technicien·ne réseau

Le/ La Technicien·ne réseau gère la configuration et le dépannage des serveurs DHCP pour résoudre rapidement les problèmes liés à l’adressage IP dans les réseaux locaux.

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