Find your next tech and IT Job or contract Infrastructure

Nous recherchons un(e) Ingénieur Cloud Azure pour renforcer les équipes IT de notre client. Rattaché(e) au Responsable de Production Informatique, vous intervenez au cœur des différents projets Cloud du Groupe sur un périmètre international. Dans le respect de la stratégie IT établie par le Responsable de la Production Informatique et le DSI, votre mission consiste à : Mise en place et intégration dans une architecture cloud - Apporter votre expertise technique et vos idées lors de la mise en place de projets concernant l'infrastructure Cloud - Garantir la fiabilité, la performance et la qualité des services Cloud déployés - Assurer le rôle d'expert technique et fonctionnel sur les projets de mise en œuvre des solutions de sécurité de Microsoft 365 (Azure Information Protection, Microsoft Intune, Cloud App Security, Azure Sentinel...) - Rédiger et mettre à jour les documents de référence Administration et Maintien en condition opérationnelle - Maintenir en condition opérationnelle les infrastructures cloud en diagnostiquant les pannes et les dysfonctionnements - Piloter la maintenance évolutive et corrective en fonction des grandes évolutions technologiques - En tant que référent technique, assurer la formation des autres intervenants de l'équipe, le suivi des éléments de reporting et de la bonne application des modes opératoires - Assurer une veille technologique sur les solutions Microsoft Azure ou concurrentes

o Au sein de l'équipe Architecture de la Direction des Infrastructures et de la Production du groupe, le consultant contribuera aux activités : • Cadrages techniques et budgétaires en collaboration avec les chefs de projet • Définition des best practices d'architecture • Documentation (DAT, HLD…) • Accompagnement de la stratégie Move2Cloud • Accompagnement des équipes d'exploitation et de développement • Veille technologique Environnement général o Plateformes E-commerce o Plateformes BackOffice & Logistique o Cloud Public Azure & GCP o Cloud Privé (Infrastructure VMWARE Infogérée) o CDN Akamai, LoadBalancing BigIP F5, Firewalling (Checkpoint & Fortinet) o Bases de données MS SQL Server, PostgreSQL, MySQL, IBM DB2, Oracle o Big Data Terradata, MapR, BigQuery, DataBricks o Conteneurisation Docker & Orchestration AKS o Progiciels SAP, Siebel, HRAccess DESCRIPTION DE LA MISSION Missions à prévoir et Expérience acquise Etude des besoins issus des équipes de développement : 5 à 10 ans Etude de l'évolution des composants de plateformes techniques ou de l'intégration de nouveaux services : 5 à 10 ans Rédaction des documents d'architecture et d'intégration générale et détaillée : 5 à 10 ans Rédaction des supports d'aide à l'exploitation et accompagnement des équipes d'exploitation durant la transition : 5 à 10 ans Contribution à l'évaluation budgétaire des solutions mises en œuvre : 5 à 10 ans Support N3 des équipes d'exploitation : 5 à 10 ans Une grande majorité des sujets actuellement adressés par l'équipe d'architecture technique concerne les environnements OnPrem.

At CGI, our Space, Defence and Intelligence business unit delivers mission-critical systems that help keep the UK safe and secure. As an Infrastructure Business Analyst, you will play a pivotal role in shaping and delivering technology transformation initiatives, bridging business needs with complex infrastructure solutions. Working across secure, high-impact programmes, you will help drive measurable outcomes through innovation, collaboration, and insight. You’ll be empowered to take ownership of business analysis activities, influence strategic decisions, and contribute creative solutions, all within a supportive environment that values continuous growth and meaningful impact. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be based on site near Gloucester 5 days a week.

At CGI, our Space, Defence and Intelligence business unit delivers mission-critical systems that help keep the UK safe and secure. As an Infrastructure Project Manager, you will lead the delivery of complex technology programmes, driving outcomes across cloud, network, and platform environments. Working at the forefront of innovation, you will ensure the successful execution of high-impact projects that enable critical client capabilities. You’ll take ownership of delivery, shape strategic direction, and bring structure and creativity to solving complex challenges, all within a collaborative environment that supports your growth and impact. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be based on site near Gloucester 5 days a week.

Le/la Responsable Infrastructure (H/F), combine une forte dimension opérationnelle court terme et une montée en responsabilité managériale à moyen terme. Il/Elle intervient directement sur les environnements techniques, avant de construire une équipe et structurer l'activité dans un cadre Informatique exigeant. Missions principales Assurer une implication opérationnelle immédiate : administration des systèmes et réseaux Piloter les projets techniques : déploiement d'infrastructure cloud, migration des réseaux SD-WAN / VPN... Superviser l'exploitation quotidienne et maintien en conditions opérationnelles Piloter la performance : Définir et suivre les KPI et contribuer à l'élaboration du budget Définir et mettre en oeuvre la politique de sécurité du SI Structurer les processus : mise en place des référentiels ITIL adaptés Gérer la relation avec les partenaires et suivre les contrats : suivi des SLA, optimisation des coûts et qualité de service Assurer une veille technologique proactive et être force de proposition Evoluer à moyen terme vers le management : recrutement, accompagnement et structuration de son équipe. Contrat : CDI basé à Laval Rémunération attractive selon profil Télétravail jusqu'à 2 jours/semaine Environnement SI à construire et équipe à constituer Parcours d'intégration et formations continues 👉 Une opportunité pour un·e Responsable Infrastructure (H/F) souhaitant allier expertise technique et évolution managériale : postulez dès maintenant !

IT Infrastructure Engineer Our Client is a Global organisation with offices in the City of London. They are now looking to recruit an IT infrastructure system support and maintenance Engineer with at least 5 years experience in 1 to 3 level experience in support. You will be working with users using Japanese and English, working closely with related parties to ensure a coordinated approach to IT infrastructure support and projects. IT Infrastructure Engineer IT Infrastructure related project Communicate and coordinate with the person in charge of the project in HQ (in Japanese) Communicate and coordinate with the user in each office (in English) Provide support for to end users during system deployment/migration(User manual, user training) Global User Support Act as 2/3 line support for IT infrastructure related enquiries and incidents. Escalate the incidents to the appropriate vendors. Incident management with the ticketing system (etc. ServiceNow). Skills / Knowledge: Technical Proven working experience in IT Service management operations Basic network knowledge (e.g. TCP/IP, proxy, firewall, switching, routing and WiFi) Basic operation system knowledge (e.g. Windows10, Windows server, Azure) Basic Microsoft Office 365 knowledge Second line level technical support and problem-solving skill Candidate needs to have strong interpersonal communication skills Ability to work both independently and as part of a team. Adoptability to work in a fast-changing environment Strong written and verbal communication skills Proficient in English & Japanese language skills (Reading/Writing/Speaking). User facing support skills Self-motivated and an innovative mindset Experience: 3 to 5+ years IT experience in a corporate environment. Second line technical support System Maintenance Microsoft Windows, Windows Server, Virtual desktop, Microsoft365 Cisco/Fortinet Project management experience preferred. The salary for this position will be in the range £35K - £45K. The Client is based in the City of London. Do send your CV to us in Word format along with your salary and notice period.

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 (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. 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 (eg, 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 (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.

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.

Nous recherchons pour l’un de nos clients grand compte un Incident Manager orienté Infrastructure (disposant de connaissances techniques transverses en infra : systèmes serveurs, cloud, … L’Incident Manager est responsable de la gestion, de la coordination et de la communication des incidents afin de rétablir les services IT dans les meilleurs délais et de minimiser l’impact sur le business. Principales activités du poste : · Gestion des incidents critiques · Supervision et suivi des incidents · Coordination des équipes de support · Communication avec les diverses parties prenantes · Suivi et clôture des incidents · Amélioration continue · Astreintes et HNO à prévoir

Head of IT Infrastructure and Security In summary we are looking to recruit an all-round individual with expert knowledge and hands-on experience of IT Infrastructure coupled with Security, Compliance & Risk Management You must have upwards of 10 years hands-on expertise in IT Infrastructure combined with Security and Risk – ideally from within the banking or insurance sector. The Head of IT Infrastructure and Security Lead is responsible for overseeing the organisation’s IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. Some of the key points to consider for this role are: Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Technology: Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Summary: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. The role will involve managing a Cloud environment in a team of 4 Technical people. Managing 6 different suppliers which include Security, IT Networks, Hosting and Servers and 3 party software. The aim of the role is to bring the MSP’s (suppliers of hardware and software) to the same page for the stakeholders and the Board and ensure technology is running smoothly. The Client is a financial organisation based in the City of London. This is a hybrid position with 3 days in the office. Must have a Bachelor’s degree in IT or similar. The salary for this role will be in the range £85K - £95K plus Excellent Benefits. Do send your CV to us in Word format along with your salary and notice period.

Network Infrastructure Engineer Our Client a bank with offices in Central London are looking to recruit a Network Infrastructure Engineer with at least 5 to 10 years hands-on experience. The Client is ideally looking for a candidate with a Financial Services or Banking sector experience. Technical/Functional skills Proficient in common windows operating systems Windows 11, Windows Server 2019-2025 , Redhat & Ubunto Linux based Operating Systems Software proficiency VMWare vSphere & vCenter v8.0 and above Veeam Backup and Replication Veeam Orchestrator and VeeamOne,Symantec Endpoint Protection Symantec Endpoint Encryption ManageEngine Endpoint Central Microsoft Office 365 Bloomberg FXT/eikons Murex Treasury System SWIFT Alliance Access (SAA) Networking (IT), Cisco Switches and Routers Fortigate Firewalls, LAN/WAN Routing Hardware, Dell PowerEdge Servers, Dell PowerVault SAN Storage Data analysis - PC/Laptop support (formatting, imaging, etc). Experience of writing and updating IT policies, standards, procedures, and guidelines Needs experiencing in delivering projects in fast pace environment. This is 3 days in the office position at the Clients offices in Central London. This is a FTC position for 6 months with a salary of circa £45K - £55K. Do send your CV to us in Word format along with your availability and salary.

IT Infrastructure Support Analyst Our Client a bank based in Central London is looking to recruit a young super talented individual as an IT Infrastructure Support Analyst. You will have at least to 5 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. 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.  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 12 month FTC position which is hybrid with at least 3 days a week in the office. The salary for this position will be circa £35K. Do send your CV to us in Word format along with your salary and availability.

PROPULSE IT recherche un CHEF DE PROJET SENIOR avec une expérience en gestion de Projet Infrastructure As code. Le consultant aura à conduire des projets techniques tel que des projets d'infrastructures autour des nouvelles technologies (Cloud, Container, IaC infrastructure As Code, micro segmentation NSX …etc.) Ces projets devront être mener depuis les phases d'étude et de conception jusqu'au déploiement et à l'intégration complète dans le respect des engagements projets : qualité, coûts, délais et sécurité Les principales missions opérationnelles seront les suivantes : - Rédiger et porter les demandes de financement des études et des projets. - Organiser, planifier, coordonner et piloter l'ensemble des ressources, processus et intervenants mobilisés sur les projets. - Contribuer activement aux phases d'étude, de conception (recueil des besoins, conseils techniques, recommandations, stratégie), d'achats (budget, appel d'offre, sélection de fournisseurs) et de réalisation (maquettage, déploiement/implémentation, transition, gestion du changement, recette). - Assurer le suivi financier, le planning des projets et les risques. - Assurer les activités d'AMOA projet : • Analyse fonctionnelle du besoin, • Rédaction des spécifications, • Réalisation des recettes. - Animer les revues et comités de pilotage des projets. - Conduire le changement de bout en bout et assurer le transfert de compétences aux équipes chargées du fonctionnement opérationnel des solutions. - Définir et piloter la mise en œuvre de la maintenance des nouvelles solutions.

Fiche de Poste – Ingénieur Réseau Datacenter ExpertLocalisation Île-de-France (IDF) Secteur Bancaire Durée Mission longue Démarrage ASAP Contexte Dans le cadre du renforcement de ses équipes infrastructure, notre client du secteur bancaire recherche un Ingénieur Réseau Datacenter Expert pour accompagner l’évolution, l’exploitation et l’optimisation de ses infrastructures réseau critiques. Le consultant interviendra sur des environnements Datacenter complexes et à forte disponibilité, avec un large panel de technologies réseau modernes. Missions Participer à la conception et à l’évolution des architectures Réseau Datacenter Assurer l’exploitation et le maintien en condition opérationnelle des infrastructures Prendre en charge les incidents complexes de niveau 3 Analyser les performances et proposer des axes d’amélioration Participer aux projets de transformation réseau et à l’intégration de nouvelles technologies Collaborer avec les équipes infrastructure, production et architecture Produire et maintenir la documentation technique Assurer une veille technologique continue Environnement technique Cisco (NX-OS, IOS-XR, IOS XE) VXLAN / EVPN Cisco ACI VMware NSX-T MPLS / Segment Routing BGP / OSPF / ISIS Grafana / ELK / InfluxDB IPFabric Ansible / Automatisation Profil recherché Minimum 7 ans d’expérience en ingénierie réseau Solide expertise en Réseau Datacenter Très bon niveau sur les architectures Cisco et SDN Expérience en environnements critiques à haute disponibilité Forte capacité d’analyse et de résolution d’incidents complexes Bon relationnel et esprit d’équipe

Mission : Prestation attendue Design de l’architecture technique des solutions demandées sur ses sites France et international, en fonction de nombreuses caractéristiques et contraintes, en garantissant une certaine cohérence technique et le maintien du système d'information tout au long de son évolution, en étudiant son impact sur l'architecture déjà existante ou future. Afin de mener à bien cette mission, le client souhaite préciser le niveau d’expertise nécessaire dans les domaines suivants : La prestation d’architecture applicative attendue concerne les couches hautes du modèle OSI. Les couches matérielles sont du ressort d’autres d’architectes techniques dédiées (réseau, serveur, stockage). Les HLD et LLD livrés par le candidat servent de spécification d’entrée aux architectes matériels. Les spécifications d’entrée de la prestation d’architecture applicative sont : - Le dossier d’urbanisme - Le dossier de sécurité - Les besoins fonctionnels Dans sa mission, le candidat : • Définit les environnements qui seront installés (qualification préproduction, …) • Décrit le type d’architecture retenu (2-tiers, 3-tiers, client lourd.) • Justifie les choix retenus en termes de technologies pour les composants physiques et leur usage • Conçoit, en justifiant les choix, une architecture conforme au besoin de disponibilité, de sécurité et de scalabilité • Spécifie les choix pour les composants virtuels (VmWare, nombre de serveurs et version, …) • Détermine les modes de licensing des logiciels de la couche haute • Justifie les choix retenus en termes de technologies pour les composants middleware • Justifie les choix des services sécurités retenus (Gestion d’identité / Authentification / Gestion des accès / Annuaire de ressource) • Spécifie les besoins du service opération (Supervision / Sauvegarde / SLM / Ordonnancement Les domaines d’expertises nécessaires pour réaliser ces activités sont : • Maitrise des notions de DICT et des solutions adaptées pour y répondre • Expertise dans les domaines suivants : -Spécification des besoins en systèmes de sauvegarde et de stockage (Mandatory) -Spécification des besoins en virtualisation, Systèmes (Mandatory) -Spécification de la sécurité réseau (segmentation, flux, protocoles, …) (Mandatory) -Spécifications des configurations SQL Serveur, IIS, Active Directory (Mandatory) -Systèmes d’exploitation Windows, (Mandatory) -Systèmes d’exploitation Linux (Nice to have) -Cloud AWS (Nice to have) Livrables •Dossier d’architecture technique (HLD ou LLD) •Des rapports soit à l’initiative du candidat, soit sur demande du client. Ces rapports seront demandés par exemple (sans être exhaustif) dans le cas de diagnostics de pannes difficiles à établir ou mettant en jeu une organisation complexe ou suite à une demande d’audit d’une infrastructure technique. La langue de communication est le Français ou l’Anglais. Tous les documents devront être rédigés en Français ou en Anglais. Windows, VMware, MSSQL, IIS, Active Directory, clustering, cloud. Toutes les solutions techniques doivent être conformes aux standards client, consultables dans l’ITRB. Afin de mener à bien cette mission, le client souhaite préciser le niveau d’expertise nécessaire dans les domaines suivants : • CLOUD • Stockage, Sauvegarde, • Virtualisation, Systèmes • Réseau • SQL Serveur • Systèmes d’exploitation Windows. • IIS