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Au sein d'un grand groupe bancaire, vous intervenez en tant qu'Ingénieur de Production et contribuez à l'exploitation et au bon fonctionnement des environnements techniques, notamment mainframe. Vos responsabilités : • Prendre en charge les demandes de traitements hors récurrent sur les environnements mainframe de recette • Diagnostiquer les incidents et proposer des solutions de correction ou de contournement • Assurer l'exploitation des composants techniques et le suivi des traitements via l'ordonnanceur TWS • Définir et appliquer les règles de gestion et d'exploitation des systèmes • Participer à l'intégration et à l'homologation des applications et composants • Installer et mettre à disposition les composants applicatifs • Réaliser les recettes techniques et contribuer au packaging des livrables • Participer à l'amélioration des processus d'industrialisation et de déploiement • Travailler en lien avec les équipes Etudes, Infrastructures et Sécurité L'environnement technique : Mainframe, TWS, batch, progiciels, bases de données Ce que nous vous proposons : Valeurs : en plus de nos 3 fondamentaux que sont l'audace, la bonne foi et la réactivité, nous garantissons un management à l'écoute et de proximité, ainsi qu'une ambiance familiale Contrat : en CDI, avec un démarrage selon vos disponibilités (nous acceptons les préavis) Localisation : prestation de client grand compte sur Lille Package rémunération & avantages : • Le salaire : rémunération annuelle brute incluant variable • Les basiques : mutuelle familiale et prévoyance, titres restaurant, remboursement transport en commun à 50%, avantages du CSE (culture, voyage, chèque vacances, et cadeaux), RTT (jusqu'à 12 par an), plan d'épargne, prime de participation • Nos plus : forfait mobilité douce & Green (vélo/trottinette et covoiturage), prime de cooptation de 1000 € brut, e-shop de matériel informatique à des prix préférentiels (smartphone, tablette, etc.) • Votre carrière : plan de carrière, dispositifs de formation techniques & fonctionnels, passage de certifications, accès illimité à Microsoft Learn • La qualité de vie au travail : télétravail avec indemnité, évènements festifs et collaboratifs, accompagnement handicap et santé au travail, engagements RSE Référence de l'offre : 0uv00h007y

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.

IT Operations Platforms and Security Lead In summary the Client is 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 IT Operational Platform 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. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. The role requires a proactive leader who can drive IT operational excellence, manage security risks, focus on continual service improvement, drive transformational delivery projects, and work effectively with internal stakeholders and third-party vendors to deliver a high-quality Global IT services. Working in line with the Architecture defined IT principle of a "buy before build" environment, the individual will need to ensure that outsourced and cloud-based services are robust, cost-effective, and aligned with business needs and the Strategic IT vision. They will also play a key role in enhancing cybersecurity, protecting data and systems, driving transformative operational change, enhancing IT processes and ensuring compliance with governance bodies and industry regulations. Due to the nature of the role, complexity of the estate, current transformation activities and team size, the role requires the functional capability and proficiency to technically augment the team capabilities (when required) and have a detailed knowledge of technical IT support roles/services as a requirement, across multiple technical areas. Security, Compliance & Risk Management 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). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience 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 Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills 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. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Skills & Mindset: 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. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. 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 Benefits. Do send your CV to us in Word format along with your salary and notice period.

Dans le cadre du renforcement de ses équipes cybersécurité, notre client recherche un Expert PKI afin d'intervenir sur la conception, l'évolution, l'exploitation et le maintien en conditions opérationnelles des infrastructures de gestion des identités et certificats numériques. L'activité s'inscrit dans un environnement Agile avec une organisation basée sur le framework SAFe. Vos principales missions seront : Concevoir, développer et maintenir les infrastructures PKI. Participer à l'exploitation et à l'administration des plateformes de gestion des certificats. Garantir la disponibilité et la performance des services PKI. Assurer le traitement des incidents et des demandes d'évolution. Participer aux ateliers techniques avec les équipes internes et les intégrateurs. Définir et mettre en œuvre les améliorations permettant d'optimiser les services existants. Contribuer aux activités Build et Run. Participer à la mise en place des environnements techniques et des infrastructures associées. Accompagner les équipes projets dans l'intégration des solutions PKI au sein du système d'information. Assurer le suivi des User Stories et des activités techniques. Livrables attendus : Dossiers d'exploitation (DEX) Procédures techniques et modes opératoires Spécifications techniques Scripts d'automatisation et de déploiement Cahiers de tests et plans de recette Comptes rendus d'ateliers Préconisations techniques Documentation d'intégration Plans d'opérations Capitalisation des connaissances

Dans le cadre de l’évolution d’une plateforme logicielle critique dédiée à l’automatisation d’équipements industriels, nous recherchons un Architecte Logiciel Expérimenté pour accompagner la conception et la transformation d’un écosystème logiciel complexe. Rattaché à une équipe pluridisciplinaire, vous intervenez sur l’ensemble du cycle de vie des solutions, depuis l’analyse des besoins métiers jusqu’à la définition des architectures cibles. Vous êtes garant de la cohérence technique globale, de la qualité des développements et de l’intégration des exigences de cybersécurité et de sécurité fonctionnelle. Vos principales responsabilités incluent : Analyser l’architecture existante et identifier les opportunités d’amélioration. Concevoir des architectures logicielles robustes, évolutives et maintenables. Définir les exigences techniques et les interfaces entre les différents composants du système. Accompagner les équipes de développement dans les choix techniques et les bonnes pratiques de conception. Décomposer les solutions en lots de travaux exploitables par les équipes de réalisation. Participer à la mise en place et à l'amélioration des processus CI/CD. Garantir l'application des standards de qualité, de sécurité et de développement. Assurer un rôle de référent technique auprès des équipes internes et partenaires. Participer aux échanges techniques avec les différentes parties prenantes du projet. Contribuer à l'amélioration continue des méthodes, outils et processus de développement. Vous évoluerez sur des projets à forte dimension technique impliquant des systèmes embarqués, des architectures distribuées et des environnements industriels exigeants.

En tant que Technicien de maintenance fonctionnelle SI Métiers, vous interviendrez sur un périmètre important comprenant environ 500 applications métiers , près de 4 000 utilisateurs , et un environnement multi-sites / BU. Votre rôle consistera notamment à : assurer le support fonctionnel et technique des applicatifs métiers ; diagnostiquer, analyser et résoudre les incidents ou demandes utilisateurs ; participer aux mises à jour, correctifs, montées de version et tests de bon fonctionnement ; maintenir à jour la documentation d’exploitation et les éléments de CMDB ; contribuer à la supervision et à l’amélioration continue du fonctionnement applicatif ; travailler en lien avec les directions métiers, les équipes SI, les prestataires et les éditeurs ; sensibiliser les utilisateurs aux bonnes pratiques, notamment sur les usages numériques et la sécurité. L’environnement technique est varié : GLPI, GSYS, Oracle, SQL / PL-SQL, SAP Business Objects, Power BI, Microsoft 365, Teams et les applications métiers ! C’est une mission qui permet de monter en compétence sur un SI métier complet, avec une réelle proximité utilisateurs et directions métiers et une vision concrète du fonctionnement applicatif d’une grande organisation.

L'Ingénieur Senior Sécurité – IAM & SIEM est responsable de la conception, de la mise en œuvre et de la gestion opérationnelle de l'infrastructure de gouvernance des identités ainsi que des capacités de supervision de la sécurité de l'organisation. Position Summary : The Senior Security Engineer – IAM & SIEM is responsible for the design, implementation, and operational management of the organization's identity governance infrastructure and security monitoring capabilities. The role operates at the intersection of preventive control (IAM) and detective control (SIEM), requiring deep technical expertise, cross-functional leadership, and a strong understanding of regulatory frameworks applicable to the financial sector. The incumbent acts as a subject-matter expert across the full IAM lifecycle and SIEM pipeline, from architecture design to incident triage, and is expected to autonomously drive projects from initiation to delivery with minimal supervision. Key Responsibilities · Identity & Access Management o Design, deploy, and maintain enterprise IAM platforms (e.g., CyberArk, SailPoint, Microsoft Entra ID, Okta), including PAM, IGA, and federation services. o Define and enforce access governance policies: RBAC, ABAC, SoD controls, and privileged access workflows. o Lead IAM integration projects with critical systems (, cloud platforms, LDAP/AD, …) using standards such as SCIM, SAML 2.0, OAuth 2.0, and OpenID Connect. o Conduct IAM risk assessments and remediate audit findings related to access control deficiencies. · SIEM & Security Monitoring o Architect, tune, and operate SIEM platforms (e.g.,Splunk,) including data ingestion, normalization, and correlation rule engineering. o Develop and maintain detection content aligned with MITRE ATT&CK: use-case catalogue, detection logic, false-positive suppression, and alert lifecycle management. o Define SIEM KPIs and ensure log coverage across critical assets (endpoints, network perimeter, IAM stack, cloud workloads). o Lead SIEM-driven investigations and provide L3 support during major incidents; participate in post-incident reviews and lessons-learned. o Collaborate with the SOC to improve SOAR playbook automation and reduce mean-time-to-detect (MTTD) and mean-time-to-respond (MTTR). o Monitor and integrate threat intelligence feeds to enrich detection use cases. Cross-Functional & Governance · Contribute to the security architecture review for new projects and technology changes. · Participate in the development and maintenance of security policies, standards, and procedures within the scope of IAM and monitoring.

Objectifs de la mission : -Garantir la stabilité, la sécurité et la conformité des systèmes. -Concevoir et faire évoluer les architectures IAM et les annuaires. -Assurer un support expert de niveau 3 (N3). -Accompagner les équipes internes et les projets transverses. Architecture & expertise : -Définition et évolution des solutions techniques. Sécurité : -Contribution aux audits et aux plans de remédiation. -Mise en oeuvre des bonnes pratiques de sécurité. -Renforcement des politiques de mots de passe. Exploitation & support : -Gestion des incidents complexes (N3). -Supervision, optimisation des performances et maintien de la haute disponibilité. -Gestion des sauvegardes et des plans de reprise d'activité (PRA). Automatisation & industrialisation : -Automatisation des tâches d'administration récurrentes. Pilotage et suivi : -Rédaction de la documentation technique et transfert de compétences. -Mise en place de standards, de procédures et de consignes d'exploitation. -Suivi des activités (planning, tableaux de bord, indicateurs). -Reporting régulier (comités, comptes rendus, communication interne). Livrables attendus (01/07/2026 - 30/09/2026) : -Procédures d'exploitation et de sécurité. -Scripts et outils d'automatisation. -Rapports d'audit et de diagnostic. -Supports de transfert de compétences. -Mise à jour des référentiels documentaires et des Dossiers d'Architecture Technique (DAT).

📍 Localisation : France 📋 Type de contrat : CDI 👥 Rattachement hiérarchique : Responsable Informatique France & Belux 🔗 Lien fonctionnel : RSSI Groupe (CISO) À propos du poste Nous recherchons un(e) Technicien(ne) Support IT Senior expérimenté(e), capable d'intervenir sur des environnements techniques complexes tout en assurant le rôle de Responsable Local de la Sécurité de l’Information (LISO) . Vous serez un acteur clé du maintien en conditions opérationnelles du système d’information, du support aux utilisateurs, de l’administration des infrastructures et du renforcement de la cybersécurité sur le périmètre France & Belux. Vos principales missionsSupport IT & Administration des systèmes Prendre en charge les incidents et demandes utilisateurs via ServiceNow. Diagnostiquer et résoudre les incidents matériels, logiciels et réseaux complexes. Assurer l’administration des environnements Windows, Active Directory et Google Workspace. Gérer les solutions MDM et les équipements mobiles. Superviser les sauvegardes, plans de reprise d’activité et déploiements de correctifs. Participer à l’exploitation et à l’évolution de l’infrastructure locale. Contribuer à la mise en œuvre des solutions de sécurité : VPN, MFA, protection des postes de travail, etc. Réaliser des analyses de causes racines afin de prévenir les incidents récurrents. Gestion de projets IT Piloter des projets informatiques locaux (renouvellement de parc, migrations applicatives, déploiement de nouvelles solutions). Accompagner les utilisateurs dans l’adoption des nouvelles technologies. Assurer la coordination avec les équipes IT locales et Groupe. Cybersécurité & Gouvernance Déployer localement les politiques et standards de sécurité du Groupe. Identifier et évaluer les cyber-risques ainsi que les risques liés aux fournisseurs. Définir et suivre les plans de remédiation. Participer à la gestion des incidents de sécurité et aux actions de remédiation. Collaborer étroitement avec le SOC et les équipes cybersécurité Groupe. Accompagner les métiers sur les sujets liés à la protection des données et à la conformité. Contribuer aux démarches de certification et aux audits de cybersécurité.

Ingénieur Système & Réseaux (F/H) - Bordeaux Description du poste Nous recrutons un Ingénieur Systèmes & Réseaux (H/F) pour notre agence bordelaise. Votre mission : concevoir, sécuriser et industrialiser les environnements, tout en insufflant une culture de performance, d'automatisation et de fiabilité auprès des équipes. Au‑delà de votre expertise systèmes, vous jouerez un rôle clé dans l'amélioration de la performance, de la résilience et de la sécurité des infrastructures, avec une bonne compréhension des environnements réseaux nécessaires au bon fonctionnement des plateformes. Les missions principales : Concevoir, industrialiser et sécuriser les plateformes Windows & Linux, en collaboration avec les équipes applicatives et production. Piloter les évolutions : montées de versions, gestion des obsolescences, optimisation des performances et durcissement. Déployer et maintenir les solutions d'automatisation (Ansible, Terraform, GitLab…). Contribuer aux offres Cloud (AWS, Azure…) et aux architectures hybrides Cloud public / On‑Premise. Assurer un rôle de référent technique, accompagner les projets et capitaliser via ServiceNow, Jira.

🌟 Quel sera ton poste ? 🌟 💼 Poste : Technicien Systèmes et Réseaux H/F 📍Lieu : Brest (29) 🏠 Télétravail : 👉 Contexte client : Tu rejoins un acteur majeur de l’agroalimentaire, présent sur plus de 120 sites et comptant environ 4 000 utilisateurs finaux. Dans un contexte d’anticipation d’une absence longue durée, l’équipe support de la DSSI (Direction des Supports, Services et Sécurité Informatique) renforce ses effectifs pour garantir la continuité et la qualité de service sur un environnement multisites et multi-activités. En tant que Technicien Systèmes et Réseaux, tu interviens sur le support utilisateurs et les infrastructures de proximité, avec un rôle clé dans la gestion des incidents et des demandes au quotidien. Tu auras pour missions de : Diagnostiquer et résoudre les incidents de niveau 1 sur différents périmètres : Téléphonie fixe Réseau LAN Postes de travail (Windows 11, RDS), partages de fichiers Terminaux de production (PDA, douchettes, imprimantes, platines…) Outils collaboratifs M365 Répondre aux demandes utilisateurs : Préparation et déploiement des postes Installation de logiciels Gestion du parc informatique Contribuer à l’amélioration continue : Enrichissement de la base de connaissances Documentation des procédures et incidents 🧰 Stack technique : Poste de travail : Windows 11, environnement RDS Outils : ITSM, Microsoft 365 Réseau : LAN (connaissances appréciées) Périphériques : équipements de production, téléphonie (idéalement Alcatel) Environnement : multisites, industriel

Elevate your potential with CGI, a global technology service provider and premier business consultancy recognized by Forbes Magazine as a top 100 employer. Our mission is rooted in evolution, excelling in intricate challenges. Collaborating directly with our clients, we employ innovative technologies to revolutionize, empower, safeguard, and deliver critical mission systems. The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client. CGI was recognised in the Sunday Times Best Places to Work List 2023 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a member 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. We are looking for a Software Developers to come and join our Secure Innovation & Advisory area which sits within the Space, Defence and Intelligence business unit here at CGI. The successful Senior Engineer can either be based out of either Gloucester or Manchester offices.

Le/La Responsable technique systèmes de sûreté pilote la définition, la conception, le déploiement, l’exploitation et l’évolution des solutions de sûreté électronique. Il/Elle garantit la performance, la fiabilité et la conformité des architectures techniques de sécurité. Missions : Définir les architectures techniques des solutions de sûreté : vidéosurveillance contrôle d’accès intrusion interphonie supervision/hypervision systèmes associés Piloter les projets de déploiement ou de rénovation des systèmes de sûreté. Élaborer les cahiers des charges et dossiers techniques Superviser les opérations de maintenance préventive et corrective Analyser les incidents techniques et proposer des plans d’amélioration.

The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client. 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 Chippenham 5 days a week.

IT Infrastructure Operation s and Security Lead This role requires excellent management of a small team in IT along with managing stakeholders and vendors. You must be hands-on technically in IT Infrastructure. The IT Operational Platform 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. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. Security, Compliance & Risk Management 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). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience 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 Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills 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. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Soft Skills & Mindset: 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. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. Summary of Skills Required: The following is a summary of the key skills that the Client would like you to bring to the company. Global Enterprise level Infrastructure Management position for the last 5 years, Buy before Build mentality and demonstrable migration of Legacy VM based estates to SaaS and Azure Cloud services platforms, Global Operational team management experience (human resources, strategic delivery, operational service, audit lead for Infra, budget..) Key 3 party operational infrastructure vendor management - i.e. management of managed service partners as a team extension globally, as well as service/solution delivery partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy Infra tech to Azure knowledge/experience, Prior to the last 5 years in Enterprise Management of a global estate/user-base, a demonstrable technical infrastructure engineering level background, working on Windows Server, AD , SQL environments, Firewalls/SDWAN, and Networks (WAN &/or LAN). The Client is based in the City of London. This is a hybrid position with 3 days in the office. The salary for this role will be in the range £85K - £95K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.

IT Operation s Platforms and Security Lead This role requires excellent management of a small team in IT along with managing stakeholders and vendors. You must be hands-on technically in IT Infrastructure. The IT Operational Platform 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. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. The role requires a proactive leader who can drive IT operational excellence, manage security risks, focus on continual service improvement, drive transformational delivery projects, and work effectively with internal stakeholders and third-party vendors to deliver a high-quality Global IT services. Working in line with the Architecture defined IT principle of a "buy before build" environment, the individual will need to ensure that outsourced and cloud-based services are robust, cost-effective, and aligned with business needs and the Strategic IT vision. They will also play a key role in enhancing cybersecurity, protecting data and systems, driving transformative operational change, enhancing IT processes and ensuring compliance with governance bodies and industry regulations. Due to the nature of the role, complexity Security, Compliance & Risk Management 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). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience 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 Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills 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. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Soft Skills & Mindset: 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. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. Summary of Skills Required: Global Enterprise level Infrastructure Management position for the last 5 years, Global team management (human resources, strategic delivery, operational service, audit lead for Infra, budget..) Key - 3 party operational infrastructure vendor management - i.e management of managed service partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy tech to Azure knowledge/experience, Prior to the last 5 years, a technical infrastructure engineering level background, working on Windows Server, AD , SQL environments, Firewalls/SDWAN, and Networks (WAN &/or LAN). The Client is based in the City of London. This is a hybrid position with 3 days in the office. The salary for this role will be in the range £85K - £100K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.