Trouvez votre prochaine offre d’emploi ou de mission freelance Sécurité informatique

📍 Localisation : Rennes Atalante ou Nancy 📅 Démarrage : Septembre 2026 📄 Type de mission : CDI /Freelance Dans le cadre du développement de ses solutions de sécurité, notre client, acteur majeur des télécommunications, recherche un Expert Sécurité & Conformité Microsoft 365 pour rejoindre une équipe composée de deux Builders et d'un Product Owner. Vous participerez à la sécurisation et à l'évolution des solutions de protection du poste de travail d'un environnement de plus de 135 000 postes (Windows, Linux, macOS et VDI). Vos missions En tant qu'Expert Sécurité & Conformité Microsoft 365, vous serez notamment en charge de : Assurer le maintien en conditions opérationnelles (MCO) de la solution Microsoft Defender for Endpoint (MDE). Piloter l'exploitation, le support et l'amélioration continue du service ARMOR. Déployer et optimiser Microsoft Defender for Endpoint sur les périmètres restants. Concevoir et mettre en œuvre les politiques de sécurité, de conformité, de chiffrement et de hardening via Microsoft Intune, dans le cadre de la migration des GPO. Accompagner les équipes métiers, les filiales, les SOC et Microsoft sur les sujets liés à la sécurité du poste de travail. Réaliser des audits de conformité, analyser les écarts et proposer des plans d'amélioration. Participer aux projets de transformation, de migration et d'évolution des solutions Microsoft de sécurité. Assurer une veille technologique sur les évolutions des solutions Microsoft 365 Security.

Data Centre Strategy & Offering Manager - Remote Working You will work across business, technology, sales, delivery, and partner organisations to create compelling offerings that align with market demand and long-term business growth. The position is ideal for an experienced technology strategist with a strong background in Data Centre solutions, portfolio management, and go-to-market strategy. Data Centre Strategy & Offering Manager Responsibilities Define and deliver the UK Data Centre strategy, vision, and roadmap. Develop compelling Data Centre value propositions and service offerings. Manage the full lifecycle of Data Centre offerings from concept through to retirement. Develop go-to-market strategies that drive customer demand and business growth. Work closely with internal technology teams, partners, and global stakeholders to align portfolio strategy. Lead portfolio transformation initiatives to support future business objectives. Enable sales and delivery teams with the knowledge, tools, and collateral required to position offerings successfully. Promote Data Centre capabilities through engagement with customers, partners, vendors, and industry analysts. Monitor market trends and emerging technologies to ensure the portfolio remains competitive and relevant. Data Centre Strategy & Offering Manager Skills and Experience Extensive experience developing Data Centre strategy and technology offerings. Must have Go-To-Market experience within the development of Data Centre Offerings. Extensive expertise in attraction to sell the development offerings. Proven experience within a global systems integrator or Data Centre specialist organisation. Strong portfolio management and product lifecycle. Deep understanding of Data Centre technologies, including AI, High Performance Computing (HPC), Quantum, and cloud infrastructure. Strong commercial awareness with the ability to translate strategy into business outcomes. Excellent stakeholder management skills across senior business, technology, partner, and vendor communities. Experience leading cross-functional initiatives within large enterprise environments. Strong analytical, strategic thinking, and problem-solving skills. Experience working within multinational or global organisations. To apply, please send your CV by pressing the apply button. Due to high volume of applications, only shortlisted CVs will be contacted. 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. A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive 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.

Participer à l'installation et l'évolution des éléments matériels et logiciels du SI sur des principes forts d'IaC Assurer la cohérence du SI notamment vis-à-vis de la résilience, de la scalabilité et de la sécurité Administrer et maintenir les infrastructures et les applications, notamment en assurant le support de production niveau 3 Contribuer à l'élaboration et à la diffusion des tableaux de bord Partager au sein de l'équipe le rôle de correspondant pour la sécurité opérationnelle Réaliser tout ou partie de projets techniques internes Réaliser tout ou partie du traitement de l'obsolescence logicielle Réaliser tout ou partie des actions de patching non automatisées sur les systèmes critiques Participer aux projets transverses BONUS (SI VOUS AVEZ EGALEMENT UNE EXPERIENCE DANS UNE DE CES VARIANTES): Variante spécialisation/expérience MySQL : mysql, postgresql Variante spécialisation/expérience Hadoop : hadoop, airflow, nifi, zeppelin, spark

Job Title: ICT Enterprise Specialist Location: Bridgend Salary: £47,046 - £54,696 per annum Job Type: Full Time, Permanent Working Hours: 37 hours per week Closing Date: 31/07/2026, 15:00 Are you looking for your next career step? Do you want to be a part of an Innovative Organisation? About us: South Wales Police is the largest police force in Wales, serving a population of approximately 1.3 million people across an area of 2,117 square miles. We are dedicated to keeping our communities safe and secure, and we rely on cutting-edge technology to support our operations. We have recently invested heavily in our ICT department with exciting new projects and opportunities funded by significant investment. We are going through a period of significant growth and technological change, there has never been a better time to join! The role: We are seeking a highly skilled and motivated Enterprise Systems Specialist. As an Enterprise Systems Specialist, you will be responsible for managing enterprise systems including servers, storage, and visualised platforms. Within the role, you may supervise junior ICT Specialists, and you will play a crucial role in ensuring service availability, security and standards compliance as well as driving process improvements and enhancing system performance. Key duties: Implement, configure and maintain enterprise systems. Design and deploy server infrastructure, including physical and virtual servers. Oversee server and storage performance tuning, patch management and firmware upgrades. Develop and maintain documentation for enterprise systems processes and procedures Collaborate with cross-functional teams to identify and solve system issues. Develop and maintain security protocols for enterprise systems Plan and execute disaster recovery and business continuity procedures. To provide IT specialist advice to business users and IT peers for your specialist technological area Manage Technical Staff within your technical area About you: Must be qualified to Degree level standard or be able to demonstrate equivalent skills and abilities. Experience of designing, implementing and technically leading on some of the following areas:Enterprise Systems Management, Monitoring, especially Microsoft Systems Centre Operations Manager or Azure Monitor HP Server hardware support Cloud Computing, especially Microsoft Azure Enterprise Unified Communications, especially Microsoft Exchange, Exchange On-Line, Microsoft Teams. Device Management Systems, especially Microsoft Systems Centre Configuration Manager/Intune Datacentre environments including Power Management, Air Conditioning, Security, Networking, Enterprise Security In depth knowledge of storage area networks (SAN), Network attached storage (NAS) and backup and recovery technologies. Expertise in server infrastructure design and deployment Experience with virtualization platforms such as VMware or Citrix Strong troubleshooting and problem-solving skills. Must be aware of the strategic operational implications of effective IT upon the organisation. Benefits: Training and professional development opportunities Local Government Pension Scheme 24 days Annual Leave increasing to 29 years after 5 years employment Flexible working dependant of duties Free on-site parking On site fitness centre and canteen Collaborative and supportive work environment Cycle to work scheme Wellness programmes SWP Diolch Vectis & Blue light Discount Card Opportunity to make a meaningful contribution to public safety and community well-being Additional Information: As a Force, we are committed to developing the overall structure of equality, diversity and inclusion across South Wales Police: in our workforce and in the services we provide. South Wales Police is an equal opportunities employer and is determined to attract, employ and support a workforce which is representative of the diverse society which it serves. We are committed to achieving a working environment which is free from any form of harassment, intimidation, bullying or victimisation. Applications are welcomed from all under-represented groups and support will be made available for all applicants as and when requested. Please click on the APPLY button to send your CV and Cover Letter for this role. Candidates with the relevant experience or job titles of: IT Systems Administrator - L3 / 3rd line, Wintel Systems Administrator - L3 / 3rd line, Windows Server Administrator - L3 / 3rd line, Windows Systems Administrator - L3 / 3rd line, IT Infrastructure Engineer, Senior Systems Engineer, Platform Engineer, Hybrid Infrastructure Engineer, Enterprise Systems Specialist, Infrastructure Engineer, Server Infrastructure Lead, Azure Systems Engineer, Systems Administrator, Datacentre Engineer, IT Infrastructure Architect, Microsoft 365 Specialist, Virtualization Engineer, Storage Engineer, Cloud Infrastructure Engineer, Enterprise IT Lead, Systems Manager, ICT Technical Specialist, Senior Infrastructure Administrator may also be considered for this role.

Solution Architect We are looking for a solution architect to define, own and evolve the end to end domain architecture. You will hands on implementation experience as an architect. Skills Required: * Event-driven architecture at scale - Kafka, Pub/Sub, SNS/SQS. * API-led design - REST and/or gRPC; e * Distributed data stores - operational, non-relational stores. * Cloud platforms - AWS experience with ideally some GCP. Azure-only profiles are not suitable * Designing pipelines that feed ML models - data flows whose output is model input, not dashboards or reports * ML platform familiarity * Streaming data enrichment -real-time stream processing for aggregation and enrichment The contract is inside IR35 for 6 months initially. The role is based on a hybrid working model requiring three days in the office in West London on a weekly basis. 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. A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive 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.

PMO - Exit Support Specialist Must have an Active DV Clearance You will work closely with Programme Managers, PMO teams, commercial teams, and operational stakeholders to deliver effective transition, knowledge transfer, and contract closure activities. The position is ideal for an experienced PMO professional with strong coordination, governance, and stakeholder management skills who thrives in fast-paced programme environments. PMO - Exit Support Specialist Responsibilities Support the planning, coordination, and delivery of programme and contract exit activities. Maintain and track exit plans, milestones, risks, issues, dependencies, actions, and decisions. Coordinate knowledge transfer, documentation handover, asset tracking, and service transition activities. Monitor progress against exit schedules and provide reporting to programme leadership. Support governance forums and ensure compliance with contractual and organisational requirements. Coordinate onboarding and offboarding activities associated with programme transition. Track financial, commercial, and contractual obligations throughout programme exit. Support audit, assurance, and evidence gathering activities. Contribute to continual improvement of PMO governance and transition processes. PMO - Exit Support Specialist Skills and Experience Proven experience within a PMO, Programme Support, or Project Coordination role. Strong planning, scheduling, and progress tracking capability. Experience with PMO governance, reporting, and programme controls. Strong RAID, dependency, and action management experience. Experience coordinating knowledge transfer and documentation activities. Excellent stakeholder engagement and communication skills. Strong analytical, organisational, and problem-solving abilities. Ability to manage multiple priorities within fast-paced delivery environments. Advanced Microsoft Excel, PowerPoint, SharePoint, and PMO toolset experience. Proactive, adaptable, resilient, and customer focused with excellent attention to detail. 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.

Contexte Dans le cadre du renforcement de son dispositif de protection des données, un grand groupe du secteur bancaire recherche un Expert Sécurité Microsoft 365 expérimenté pour intégrer une équipe spécialisée en protection des données et cybersécurité. La mission consiste à assurer le maintien en condition de sécurité de l'environnement Microsoft 365, accompagner les projets dans la prise en compte des exigences de sécurité et piloter les solutions de protection des données de l'entreprise. Missions principales Accompagner les projets dans la sécurisation des services Microsoft 365. Réaliser des analyses de sécurité et des évaluations de risques. Définir, paramétrer et améliorer les règles de sécurité de l'environnement M365. Participer à la gouvernance et à la protection des données sensibles. Déployer et piloter des campagnes de revue des accès et des partages. Assurer le maintien en condition opérationnelle et de sécurité des solutions de protection des données. Traiter les incidents de sécurité de niveau N2/N3 et coordonner les actions de remédiation. Produire et maintenir la documentation de sécurité (standards, procédures, guides). Mettre en place et suivre des indicateurs de sécurité via des tableaux de bord. Réaliser une veille technologique sur les solutions Cloud et cybersécurité. Livrables attendus Analyses de sécurité. Campagnes de revue des accès. Pilotage et maintien en condition opérationnelle des solutions en RUN. Documentation et standards de sécurité. Tableaux de bord et indicateurs de suivi. Compétences requisesIndispensables Expertise Microsoft 365 / Office 365 Security. Microsoft Purview. Microsoft Entra ID (Azure AD). Architecture de sécurité. Protection et gouvernance des données. Culture avancée en cybersécurité et gestion des risques liés à la fuite de données. Appréciées Varonis DatAdvantage. SailPoint FAM. ADRMS. Splunk. Azure Cloud. Développement / Automatisation PowerShell. Power Apps. Power BI. Python.

At CGI, you'll play a key role in ensuring the reliability, security, and continuous improvement of critical Microsoft Dynamics 365 services that support high-profile public sector outcomes. Working as part of a collaborative and forward-thinking team, you'll help deliver resilient, secure, and innovative digital solutions while driving service excellence for our clients. You'll be empowered to take ownership of complex challenges, contribute new ideas, and develop your expertise in an environment that values collaboration, continuous learning, and meaningful career progression. 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 is a hybrid position Hybrid (2 3 days on site in CGI Nottingham office and/or DVSA Nottingham Office) (expenses not rechargeable to client), can also be from our Birmingham/Bristol offices.

Senior Service Delivery Analyst - Hybrid - Higher rates will only be paid for exceptional candidates Can be based in either Portsmouth or Perth Join a team responsible for supporting the delivery and continual improvement of business-critical IT services within a complex enterprise environment. The position is ideal for an experienced Service Delivery professional with strong ITIL knowledge, stakeholder management skills, and a passion for driving service excellence. Senior Service Delivery Analyst Responsibilities Support the management and continual improvement of business-critical IT services. Monitor service performance and produce service reporting and management information. Manage major incidents, escalations, and service issues through to resolution. Support supplier governance activities, service reviews, and performance management. Work closely with business and IT stakeholders to ensure effective service delivery. Support service continuity, compliance, and risk management activities. Assist with the transition of new or changed services into live operation. Identify and deliver service improvement initiatives that enhance operational performance. Senior Service Delivery Analyst Skills and Experience Experience within a Service Delivery Management or Service Support role. Experience supporting business-critical IT services within a large organisation. Experience of a regulated environment would be a distinct advantage ITIL Foundation Certification (v3 or v4). Strong analytical skills with experience producing service reports and performance metrics. Experience managing major incidents, escalations, and operational service issues. Excellent stakeholder engagement and communication skills. Experience with ServiceNow or similar ITSM platforms desirable. Experience working within Agile delivery environments desirable. Experience supporting services within regulated industries would be advantageous. To apply, please send your CV by pressing the apply button. Due to high volume of applications, only shortlisted CVs will be contacted. 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. A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive 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.

Nous recherchons, pour notre client final grand compte, un Consultant PMO Cybersécurité. ContexteDans le cadre de ses activités informatiques et métiers, notre client souhaite renforcer son dispositif de cybersécurité ainsi que son processus de Security by Design. L'organisation s'appuie sur un outil permettant, pour chaque projet accompagné dans cette démarche, de définir les exigences de cybersécurité à appliquer en fonction du contexte de déploiement (niveau d'exposition aux menaces, exigences contractuelles, contraintes réglementaires, besoins métiers, etc.). Cet outil permet également d'assurer le suivi de la mise en œuvre des exigences de sécurité tout au long du cycle de vie des projets. Dans une démarche d'amélioration continue, cet outil évolue actuellement d'un support bureautique vers une application web intégrant une base de données, afin d'améliorer son évolutivité, sa maintenabilité, son ergonomie et son intégration au système d'information. MissionsLe consultant interviendra notamment sur les activités suivantes : Coordonner les échanges avec une équipe de développement internationale. Recueillir, analyser et formaliser les besoins fonctionnels auprès des équipes cybersécurité. Relire, compléter et prioriser les User Stories existantes. Assurer le suivi des développements dans les outils de gestion de projet. Collaborer avec les équipes Cybersécurité, Architecture, Métiers ainsi qu'avec les correspondants sécurité des différentes entités du Groupe. La nouvelle solution devra répondre aux objectifs suivants : Automatisation : réduire les opérations manuelles et améliorer la fiabilité des processus liés au Security by Design. Traçabilité : assurer un suivi complet des exigences de sécurité, des évolutions, des validations et des actions réalisées. Scalabilité : supporter l'augmentation du nombre de projets, d'utilisateurs et de données. Interopérabilité : faciliter les échanges avec les outils d'architecture, de gouvernance et de cybersécurité. Adaptabilité : prendre en compte les différents contextes projets et permettre la personnalisation des exigences de sécurité. Évolutivité : faciliter l'ajout de nouvelles exigences, améliorer leur gouvernance et accélérer leur intégration. Le projet est piloté selon une méthodologie Agile à l'échelle (SAFe). Livrables attendusPilotage et suivi de projetMise à jour du planning, du backlog, des indicateurs et du budget. Identification des priorités, des risques, des dépendances et des prochaines étapes. Suivi de l'avancement des différentes activités du projet. Coordination et communicationCoordination des différentes parties prenantes (équipes métiers, cybersécurité, architecture, développement, PMO, etc.). Animation des échanges entre les équipes locales et internationales. Organisation et préparation des ateliers de travail et des instances de gouvernance. GouvernancePréparation des supports de pilotage. Élaboration des présentations destinées aux comités de suivi et de décision. Consolidation des informations et validation des livrables avec les équipes projet. Ateliers et documentationOrganisation et animation des ateliers fonctionnels et techniques. Accompagnement de l'intégration des nouveaux intervenants. Participation à la rédaction de la documentation projet (procédures, guides utilisateurs, modes opératoires, documentation fonctionnelle et technique, SLA). Déploiement et accompagnementPréparation des phases de transition et de mise en production. Accompagnement des utilisateurs lors du déploiement. Support aux équipes internes et suivi post-mise en production.

AI Engineer We are looking for a number of AI engineers for an assignment based in Brighton. You will be working on the development of production agentic AI systems. You will design, build, and ship AI-powered features, while learning how to operate within a regulated, customer-facing environment Skills: - Languages: Python, Go, TypeScript - Cloud and infrastructure: AWS and/or GCP, Kubernetes - APIs and services: REST, gRPC - Distributed systems: event-driven architectures, including Kafka - Orchestration Frameworks: LangGraph, LangChain, AirFlow, etc Activities: - Integration of commercial and open-source LLMs into agentic workflows - Agent and orchestration frameworks such as LangChain, LlamaIndex, Semantic Kernel, or CrewAI - Model-level work using PyTorch and the Hugging Face ecosystem (embeddings, fine-tuning, inference tooling) - Strong schema, validation, and state management practices using tools such as Pydantic (Python) and Zod (TypeScript) The contract is for 6 to 12 months outside IR35. Candidates will need to be able to start within the next few weeks. There is a requirement to be on site three days per week in Brighton. 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. A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive 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.

MissionsSupport OT et informatique industrielleMaintien et mise à jour de l'inventaire des équipements OT Gestion des versions logicielles et firmwares Suivi des cycles de vie et des obsolescences Gestion documentaire et mise à jour des schémas techniques Gestion des sauvegardes et des plans de reprise d'activité Automatisme et support techniqueRéalisation des sauvegardes PLC, HMI et équipements industriels Support technique aux équipes maintenance Analyse des incidents et accompagnement au dépannage Administration des logiciels d'ingénierie industrielle Réseaux industriels et cybersécurité OTGestion sécurisée des accès distants Mise en œuvre et suivi des bonnes pratiques de cybersécurité OT Gestion des mises à jour de sécurité et antivirus Participation aux audits et projets d'amélioration de la sécurité industrielle Contribution au suivi des indicateurs de performance cybersécurité Coordination de projetsCollaboration avec les équipes IT et Validation Participation à l'intégration de nouveaux équipements industriels Contribution aux initiatives de sécurisation des infrastructures OT Environnement techniqueAutomatismeSiemens TIA Portal Rockwell Automation Eurotherm PLC HMI Variateurs de vitesse Relais de sécurité Informatique industrielleWindows Server 2019 / 2022 Windows 10 LTSC Gestion des backups et versioning Disaster Recovery Réseaux industrielsEthernet industriel VLAN Segmentation réseau OT SecurityGestion des accès distants sécurisés Protection des postes industriels Cybersécurité OT Outils appréciésClaroty Forescout Delinea PI System Kepware OPC UA OpCenter