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CDI

Offre d'emploiIngénieur Réseau SDLAN H/F

SCC France SAS
Publiée le
LAN
SD-WAN
SDN (software defined network)

Antibes, Provence-Alpes-Côte d'Azur
🌍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. Le poste ➡️ Mission principale Dans le cadre d'un projet d'envergure au sein d'un environnement réseau innovant, nous recherchons un Ingénieur Réseau SDLAN / SD-Access pour assurer la fiabilité des infrastructures, participer aux évolutions technologiques et accompagner les projets de transformation réseau. Vous interviendrez à la fois sur les activités d'ingénierie, d'intégration et de maintien en conditions opérationnelles des environnements SDLAN et SDWAN. ➡️ Responsabilités Administration et évolution du lab d'ingénierie - Garantir la disponibilité et la stabilité du laboratoire réseau de Sophia Antipolis. - Maintenir les équipements et systèmes à jour en veillant à la sécurité et à la résilience des infrastructures. - Administrer les services d'authentification et de contrôle d'accès (LDAP, RADIUS). - Gérer les interconnexions réseau et les différents flux entrants et sortants. - Mettre en œuvre les processus de sauvegarde, de supervision et de sécurisation des plateformes. Ingénierie et expertise SDLAN - Réaliser une veille technologique sur les solutions SDLAN et leurs évolutions. - Participer aux tests d'intégration, de validation et de compatibilité des nouvelles solutions. - Produire la documentation technique associée. - Accompagner les projets nécessitant des architectures ou designs spécifiques. - Apporter votre expertise lors des déploiements et phases de transition. Continuité opérationnelle - Assurer un rôle de support et de backup sur les infrastructures réseau du campus. - Participer à la gestion des incidents et à l'amélioration continue des environnements. - Garantir le maintien des services critiques et des interconnexions entre les différentes plateformes. ➡️ Environnement technique - Réseau & Datacenter : Cisco SD-Access, Cisco Catalyst Center (DNA Center), Cisco ISE, Cisco TrustSec, Routing & Switching (OSPF, BGP, VLAN, STP), VXLAN, Overlay / Underlay Networking - SDWAN : Fortinet, VMware VeloCloud - Virtualisation : VMware vSphere, ESXi, vCenter, Gestion SAN
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CDI

Offre d'emploiSenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Publiée le

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

Offre d'emploiSenior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Publiée le

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

Mission freelanceIngénieur Réseau SDLAN / SD-WAN (H/F)

LeHibou
Publiée le
SD-WAN

3 mois
480 €
Biot, Provence-Alpes-Côte d'Azur
Notre client dans le secteur Réseaux et télécommunications recherche un/une Ingénieur Réseau SDLAN / SD-WAN H/F Description de la mission : En tant qu'ingénieur SDLAN, le consultant assurera la stabilité et la fiabilité des environnements d'ingénierie et de production, tout en contribuant à l'innovation technologique. Il sera le garant du bon fonctionnement du lab de Sophia, de l'intégration des nouvelles solutions, et du maintien opérationnel des réseaux critiques. Il apportera son expertise pour répondre aux demandes spécifiques des projets clients et pour assurer la sécurité et la performance des infrastructures. Tâches à réaliser : A) Admin Lab CSE Sophia – Socle de fiabilité pour SDWAN + SDLAN Garantir la disponibilité et la stabilité du Lab de Sophia, socle des solutions RADIUS, EAP, SDWAN (Fortinet / Velocloud) et SDLAN Cisco Maintenir à jour le parc d'équipements et leurs OS, en assurant redondance, scalabilité et sécurité (prise en compte des scans réguliers de l'équipe sécurité) Assurer le socle d'authentification de l'infrastructure : gestion des services LDAP et RADIUS pour sécuriser les accès Gérer les flux entrants et sortants du Lab via trois accès distincts : Telco Internet, EIN (corporate), IP VPN (Rennes, Bratislava…) Mettre en place et suivre les processus de sauvegarde, de mise à jour et de sécurité pour garantir la disponibilité et la résilience du lab B) Engineering SDLAN (CSE) – Veille, tests, validation Réaliser une veille technologique sur les solutions SDLAN et leurs évolutions Conduire des tests d'intégration et de compatibilité (Catalyst Center virtuel, IOS-XE/NX-OS virtuel, ISE, TACACS, Proxy/LB) Produire la documentation technique pour industrialiser les processus de validation et de déploiement Répondre aux demandes spécifiques de solutions ou de design sur mesure, notamment pour des projets complexes (ex. segmentation avec Velocloud / Cisco SGT-SXP) Apporter un support technique lors du déploiement de nouvelles briques ou versions, avec un retour terrain pour améliorer les processus C) Backup réseau bureautique / Telco campus Orange Sophia – Continuité opérationnelle Assurer la fonction de backup pour le réseau bureautique du campus Orange Sophia, en collaboration avec l'équipe de Laurent Levier Garantir l'interconnexion entre le réseau EIN (corporate) et l'ensemble des labs du campus (CSE, SAT, autres) Maintenir la continuité de service sur les éléments critiques : GTB/GTC, monitoring, onduleurs, climatisation, solutions de roaming/mobilité Participer à la gestion des incidents et à la prévention pour limiter l'impact en cas d'absence ou de défaillance Compétences / Qualités indispensables : Routage/switching avancé (OSPF, BGP, VLAN, STP), VXLAN et concepts d'overlay/underlay — c'est le cœur technique de SD-Access, Notions de segmentation réseau et micro-segmentation, au minimum 7 années d'expérience sur la fonction, idéalement chez un intégrateur et/ou dans le développement de produit de connectivité chez un opérateur Compétences / Qualités qui seraient un + : 2. Architecture SD-Access spécifique Compréhension de la technologie fabric qui fournit des overlays programmables et une virtualisation réseau facile à déployer Rôles des nœuds fabric (edge, border, control plane, intermediate nodes) Architecture SD-Access incluant le fabric networking, le routage underlay/overlay et les rôles des nœuds de la structure Cisco TrustSec et Security Group Tags (SGT) pour la micro-segmentation 3. Catalyst Center (ex-DNA Center) Configuration de Catalyst Center pour intégrer des périphériques, l'intégration à ISE, l'automatisation des configurations, et le troubleshooting de la santé des équipements réseau Connaissance des options de déploiement et de scalabilité, configurations initiales, bonnes pratiques Assurance/Analytics pour la supervision et la télémétrie 4. Intégration ISE (Identity Services Engine) Politiques d'identité, authentification 802.1X Mise en œuvre de la segmentation basée sur des politiques (groupes, IP, applications) 5. Virtualisation VMware Maitrise de l'environnement VMware : vSphere, ESXi, vCenter Server, Machines virtuelles Gestion de stockage SAN Supervision, management et dépannage Disponibilité et sécurité Optionnelles : Zero Trust / SASE — Cisco+ Secure Connect — nécessitant la compréhension des architectures SASE et des politiques d'identité dynamiques basées sur ISE IA appliquée au réseau via Cisco AI Network Analytics dans Catalyst Center, pour la détection d'anomalies et l'optimisation automatiqueInformations concernant le télétravail : Oui — 2 jours/semaine
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Freelance

Mission freelanceExpert Infrastructure Virtualisation / DevOps

ESENCA
Publiée le
IA
Linux
OS Windows

1 an
Lille, Hauts-de-France
ContexteDans le cadre de projets majeurs de transformation et de modernisation des infrastructures, nous recherchons un Expert Infrastructure N3 capable d'intervenir sur des environnements hybrides complexes. Le profil recherché devra disposer d'une expertise avancée des systèmes Linux, d'une solide maîtrise de la virtualisation et d'une forte culture DevOps / Software Engineering autour de l'automatisation, de l'IaC et de la CI/CD. La mission s'inscrit notamment dans un contexte de migration d'infrastructures On-Premise vers Google Cloud Platform (GCP) ainsi que de maintien en condition opérationnelle de plateformes critiques et hétérogènes. Une expérience significative en expertise technique N3 est indispensable. MissionsIngénierie & expertise techniqueRéaliser des études d'évolution sur les infrastructures Linux, Windows, KVM et hardware Concevoir et valider les architectures et standards techniques Garantir la cohérence entre les environnements On-Premise et Cloud Participer aux projets de transformation et de modernisation des infrastructures Automatisation & industrialisationDévelopper et maintenir les outils d'automatisation avec Python, Bash et Ansible Mettre en œuvre les pratiques DevOps et Infrastructure as Code Développer et maintenir les chaînes CI/CD Utiliser Terraform et les approches GitOps Garantir la qualité, le versioning et la documentation du code d'infrastructure Support & expertise N3Intervenir en escalade N3 sur les incidents critiques et complexes Diagnostiquer les problématiques liées aux OS, hyperviseurs et infrastructures hardware Réaliser les analyses de causes racines (RCA) Définir et mettre en œuvre des plans de remédiation durables Participer au maintien en condition de sécurité et à la conformité des infrastructures Amélioration continueIdentifier les optimisations de performance, de fiabilité et de coûts Contribuer à l'évolution des standards techniques Assurer une veille technologique sur les infrastructures, le Cloud et les pratiques DevOps Environnement techniqueIndispensableLinux : Debian, RHEL / CentOS Windows Server Virtualisation : VMware vSphere, KVM Hardware : serveurs physiques et stockage Automatisation / IaC : Ansible, Terraform Git CI/CD Culture Cloud Native Environnement appréciéGCP Zerto / solutions de PRA NetApp Prometheus / Grafana ELK
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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.
Voir cette offre
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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Freelance
CDI

Offre d'emploiIngénieur Infrastructure & Production IT – Saint-Denis

Gamme solutions
Publiée le
Windows Server

1 an
Saint-Denis, Île-de-France
Nous recherchons pour le compte d'un groupe international spécialisé dans la postproduction, la localisation et les services audiovisuels, un(e) Ingénieur(e) Infrastructure & Production IT. Vous intégrerez une équipe Infrastructure & Production intervenant sur des environnements critiques, fortement disponibles et à forte volumétrie, notamment autour de la production audiovisuelle, du stockage média et des services IT internes. 🎯 MissionVotre rôle sera d'assurer la disponibilité, la performance, la résilience et la sécurité des infrastructures systèmes, réseaux, virtualisation et stockage. Vous interviendrez notamment sur : Administration des environnements Windows Server / Linux. Administration et optimisation de la virtualisation VMware / Hyper-V / Nutanix. Exploitation d'infrastructures de stockage SAN/NAS, notamment Dell EMC PowerScale/Isilon et Avid NEXIS. Gestion de la réplication, snapshots, haute disponibilité et performances stockage. Supervision des infrastructures et résolution d'incidents complexes. Sauvegarde, restauration, réplication et PRA/PCA. Administration réseau : LAN/WAN, VLAN, VPN, routage, switching, Wi-Fi et interconnexions multi-sites. Administration / sécurisation des firewalls, segmentation et gestion des accès. Patch management, hardening, gestion des vulnérabilités et remédiation. Participation aux projets de modernisation, cloud hybride, automatisation et industrialisation. Automatisation avec PowerShell, Bash, Python, Ansible, Git et/ou Terraform. Documentation technique et procédures d'exploitation. Collaboration avec les équipes Infrastructure, Sécurité, Applicatives et partenaires internationaux. 🛠️ Environnement techniqueSystèmes : Windows Server, Linux, Active Directory, DNS, DHCP, GPO Virtualisation : VMware vSphere / ESXi / vCenter, Hyper-V, Nutanix Réseaux : TCP/IP, LAN/WAN, VLAN, routage, switching, VPN, Wi-Fi Sécurité : Firewall, segmentation, MFA, EDR/XDR, SIEM, vulnérabilités, bastion Stockage : Dell EMC PowerScale/Isilon, Avid NEXIS, SAN, NAS, NFS, SMB/CIFS, iSCSI, NetApp Backup : Veeam, Rubrik, Commvault, PRA/PCA Supervision : Centreon, Zabbix, Nagios, Grafana, Prometheus, Splunk Automatisation : PowerShell, Bash, Python, Ansible, Git, Terraform Cloud : AWS, Azure, environnements hybrides
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Freelance
CDI

Offre d'emploiIngénieur Virtualisation Citrix / VMware – Expert VDI & EUC

Gamme solutions
Publiée le
Citrix

1 an
Paris, France
Présentation de la missionDans le cadre du développement de son pôle End User Experience (EUX), notre client recherche un Ingénieur Virtualisation pour rejoindre l'équipe Build Virtualisation. L'équipe est en charge de la conception, de l'évolution et du maintien en condition opérationnelle des infrastructures de virtualisation des postes de travail et des applications, sur les environnements Développement, Intégration, Pré-Production et Production. Le périmètre technique comprend notamment les solutions Citrix Virtual Apps & Desktops, VMware, Nutanix, Citrix Netscaler/ADC, Citrix Director et SCCM/MECM. Profil recherchéLe candidat devra disposer d'au moins 4 ans d'expérience en ingénierie des systèmes de virtualisation de postes de travail et/ou applicative, idéalement dans des environnements complexes et à forte volumétrie. Compétences techniques attenduesCitrix Virtual Apps & Desktops VMware vSphere Nutanix AHV / Prism Citrix Netscaler / ADC Windows Server et environnements Windows Desktop Microsoft Active Directory PowerShell SCCM / MECM Environnement Linux apprécié Principales responsabilitésAu sein de la squad Projets Virtualisation, vous interviendrez notamment sur : Concevoir et mettre en œuvre les infrastructures de virtualisation dans le respect des standards techniques et de sécurité du Groupe. Intégrer, packager et mettre en conformité les applications destinées à être publiées sous Citrix Virtual Apps. Administrer et faire évoluer les environnements VDI, notamment les masters. Participer aux projets de migration, intégration, transformation et traitement d'obsolescence des infrastructures. Contribuer à l'évolution et à l'industrialisation des plateformes de virtualisation. Développer les outils et scripts nécessaires à l'exploitation et à la maintenance des environnements. Rédiger et maintenir la documentation technique : dossiers d'exploitation, architectures, procédures et référentiels. Intervenir en escalade N3+ sur les incidents majeurs ou complexes. Analyser les incidents, assurer leur capitalisation et contribuer à l'amélioration continue. Accompagner les projets depuis les phases de cadrage jusqu'à la mise en production. Participer aux choix techniques, identifier les risques et assurer le BUILD-to-RUN des solutions.
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CDI
Freelance

Offre d'emploiIngénieur systèmes F/H

AIS
Publiée le

1 mois
42k-48k €
240-480 €
Rennes, Bretagne
- Réaliser régulièrement des audits techniques et de sécurité afin d'identifier les vulnérabilités, les risques et les axes d'amélioration de l'infrastructure - Analyser les configurations des environnements et mettre en œuvre les actions correctives nécessaires pour optimiser leur performance, leur disponibilité et leur niveau de sécurité - Participer à la sécurisation des environnements VMware et Nutanix, en appliquant les bonnes pratiques de sécurité, de conformité et de gestion des risques - Assurer un support de niveau N2 auprès des équipes opérationnelles sur les incidents, changements, problèmes techniques et demandes d'amélioration - Accompagner les équipes métiers et opérationnelles dans l'analyse et la résolution des incidents, ainsi que dans la réalisation de demandes de travaux spécifiques ou hors catalogue - Conseiller les équipes sur les bonnes pratiques liées à la gestion des ressources, aux sauvegardes/restaurations et à la gestion des incidents - Assurer une veille sur les évolutions des technologies VMware, Nutanix et Cisco UCS, et proposer des améliorations permettant de renforcer la performance, la résilience et la sécurité des infrastructures - Automatiser certaines opérations d'administration et d'exploitation à l'aide de PowerShell et PowerCLI - Rédiger et maintenir les procédures techniques, dossiers d'architecture et documents de référence, afin de garantir la traçabilité et faciliter le partage des connaissances - Participer à la veille technologique et sécurité afin d'anticiper les évolutions techniques et réglementaires et de maintenir l'infrastructure au niveau des standards attendus ENVIRONNEMENT TECHNIQUE : VMware vSphere, vCenter, Nutanix, Cisco UCS, PowerShell, PowerCLI, VMware / Nutanix etc.
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Freelance

Mission freelanceInfrastructure Architect - VCF - DV Cleared

LA International Computer Consultants Ltd
Publiée le

6 mois
RG29 1BY, Hart, England, United Kingdom
Infrastructure Architect Must have an Active DV Clearance - Support highly secure environments, including air-gapped infrastructure, disaster recovery and automated infrastructure management. Infrastructure Architect Responsibilities - Design and implement VMware-based IaaS solutions aligned with client requirements and secure-by-design principles. - Architect and configure VMware Cloud Foundation (VCF), ensuring integration with VMware Aria Operations. - Design and implement air-gapped patching and update capabilities within VCF environments. - Deploy and configure NSX-T for software-defined networking, network virtualisation and security. - Implement VMware Cloud Director (VCD), including resource pools, organisations, virtual data centres and networking. - Design and implement VMware Cloud Director Availability (VCD-A) for disaster recovery and workload mobility. - Develop automation and orchestration capabilities using VMware vRealize Orchestrator (vRO). - Integrate VMware infrastructure with existing enterprise systems and technologies. - Provide technical expertise across testing, troubleshooting and issue resolution. - Support VMware infrastructure and Omnissa Horizon VDI environments. - Produce high-level and low-level designs, architectural diagrams, technical documentation and operating procedures. - Collaborate with Agile engineering teams and technical stakeholders to ensure successful delivery. Infrastructure Architect Skills and Experience - Proven experience designing and implementing enterprise VMware infrastructure and IaaS solutions. - Strong hands-on experience with VMware Cloud Foundation (VCF). - Extensive NSX-T experience, including software-defined networking and security. - In-depth knowledge of VMware vSphere architecture and virtualisation technologies. - Strong experience with VMware Cloud Director (VCD), including virtual data centres and networking. - Experience integrating VMware Aria Operations with VCF environments. - Knowledge of VMware Cloud Director Availability (VCD-A), disaster recovery and workload mobility. - Experience with VMware vRealize Orchestrator (vRO) and infrastructure automation. - Experience designing secure, air-gapped infrastructure and offline patching solutions. - Strong scripting experience using PowerShell or Python. - Understanding of Omnissa Horizon VDI environments and troubleshooting. - Strong infrastructure architecture, technical documentation and solution design skills. - Excellent analytical, troubleshooting, communication and stakeholder management skills. - Experience working within Agile, multidisciplinary engineering teams. - Degree in Computer Science, Information Technology or equivalent professional experience. - VMware certifications such as VCP or VCAP would be highly advantageous. To apply, please send your CV by pressing the apply button. Due to high volume of applications, only shortlisted CVs will be contacted. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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Freelance
CDI

Offre d'emploiIngénieur Système Windows Server - Paiements

STORM GROUP
Publiée le
Audit
Automatisation
Réseaux

3 ans
45k-55k €
420-500 €
Île-de-France, France
Contexte Dans le cadre du renforcement de son équipe Infrastructure, notre client, acteur majeur du paiement, recherche un(e) Administrateur(trice) Systèmes Windows. L'équipe gère les infrastructures qui font tourner l'ensemble des services de paiement : tous les moyens de paiement (cartes, SEPA, chèques, retraits…), en magasin comme en ligne. Ces services couvrent toute la chaîne de valeur des paiements : Autorisation Compensation Virement instantané Paiement digital et tokenisation Lutte contre la fraude Messagerie sécurisée Vous intégrerez l'équipe qui garantit la disponibilité, la performance et la sécurité de ces systèmes critiques. Mission Générale Administrer les serveurs Windows, Administrer les outils de la sphère Microsoft et l'ensemble des outils/logiciels associés à Windows Server. Mission complémentaire Installer et administrer les infrastructures serveurs Windows et services associés (AD, GPO, DHCP, DNS, PKI, KMS, RDS et ferme RDS...). Effectuer le durcissement (Hardening CIS, etc…) des OS. Mettre en place des logiciels d'infrastructure sur des serveurs Windows. Effectuer la MCO des systèmes serveurs Windows via WSUS. Connaissances réseaux (Route, IP, Flux, Protocole, Vlan…). Savoir gérer une infrastructure ADCS (CA, Root, Subordinate, Servers…). Effectuer la MCO des systèmes Antivirus (Trend Micro, McAfee, SentinelOne, etc…). Traiter la MCS (analyse des failles de sécurité et déploiement des patchs). Gérer les incidents, la MCO, le RUN et les changements. Rédiger et maintenir la documentation technique d'exploitation. Gérer l'infrastructure VDI VMware Horizon (MCO, mise à jour des masters et logiciels installés). Créer, configurer et gérer des VMs Windows sur VMware VSphere. Automatiser toutes les tâches manuelles (PowerShell, VBscript, etc…). Travailler sur les audits de sécurité (ORADAD, PingCastle, HardeningKitty, Swift, PCI-DSS, etc…). Expérience pratique de rationalisation(fusion) multi domaine et forêt "On premise". Expérience sur Tiering AD / Silo d'authentification. Assurer une veille technologique
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