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

Votre recherche renvoie 495 résultats.
Offre premium
CDI

Offre d'emploiDéveloppeur Java / DevOps – Projets IA (H/F)

ABTEKA
Publiée le
Javascript

30k-45k €
Rennes, Bretagne
Développeur Java / DevOps – Projets IA (H/F)Type de contrat : CDI Expérience : 1 an minimum Secteur : Industriel Prise de poste : Dès que possible ContexteDans le cadre de sa transformation numérique, un groupe industriel multi-sites souhaite renforcer son équipe technique avec un développeur capable d'intervenir sur trois axes complémentaires : le développement Java, l'industrialisation DevOps et l'intégration de solutions d'intelligence artificielle. Ce poste est avant tout opérationnel : vous concevez, développez, testez et déployez des applications destinées aux équipes métiers et industrielles. Vous contribuez également à transformer des cas d'usage IA en solutions fiables et exploitables en production. Vos missionsDéveloppement Java / BackendDévelopper et maintenir des applications backend en Java 17+ et Spring Boot. Concevoir et faire évoluer des API REST, des services métiers et leurs interactions avec les bases de données. Écrire des tests et participer aux revues de code. Améliorer la qualité, la sécurité et les performances des applications. Documenter les développements et contribuer aux choix techniques de l'équipe. DevOps et industrialisationConstruire et améliorer les pipelines CI/CD sous GitLab. Conteneuriser les applications avec Docker et Docker Compose. Automatiser les phases de build, de test, de déploiement et de supervision. Contribuer à la fiabilité des environnements : logs, monitoring, alerting et résolution d'incidents. Accompagner les mises en production sur les différents sites du groupe. Intelligence artificielleParticiper à l'identification et au prototypage de cas d'usage IA à valeur métier. Intégrer des modèles ou des services d'IA dans les applications et les processus existants. Développer des solutions d'automatisation, d'assistance aux utilisateurs, d'analyse ou de recherche augmentée. Préparer et exploiter les données nécessaires, notamment à l'aide de Python. Industrialiser les prototypes : tests, versioning, déploiement, supervision, sécurité et maîtrise des coûts. Assurer une veille active sur les outils IA/ML, les LLM et leurs usages en environnement industriel. Environnement techniqueJava 17+, Spring Boot, Spring Security, JPA/Hibernate, GitLab CI/CD, Docker, Docker Compose, Maven/Gradle, API REST, PostgreSQL, Python, IA/ML, LLM et monitoring.
Voir cette offre
Freelance

Mission freelanceConfiguration Manager - Remote - Outside IR35

LA International Computer Consultants Ltd
Publiée le

6 mois
£500-600
Angleterre, Royaume-Uni
Configuration Manager - Remote - Outside IR35 Must have an active SC Clearance The role covers configuration baselines, change control, status accounting, verification, auditing and CMDB management. This position is suited to an experienced Configuration Manager with strong CMDB expertise who is comfortable working across development, quality assurance, systems engineering and senior stakeholder teams. Configuration Manager Responsibilities Identify, categorise, track and maintain Configuration Items (CIs), including servers, software, infrastructure and technical documentation. Establish and maintain hardware, software and system configuration baselines. Control configuration changes and ensure changes follow agreed governance, approval and implementation processes. Support or lead Change Advisory Boards (CABs) and Configuration Control Boards (CCBs) where required. Maintain accurate historical and current configuration records to provide full traceability. Manage and maintain complex Configuration Management Databases (CMDBs). Ensure CMDB information remains accurate, complete and aligned with the live technical environment. Conduct configuration verification activities and audits to ensure actual configurations match authorised and recorded states. Identify configuration discrepancies and coordinate appropriate corrective actions. Maintain configuration status accounting and provide accurate reporting to programme and technical stakeholders. Ensure technical documentation, software builds and system configurations meet regulatory, organisational and governance standards. Work closely with developers, quality assurance teams, system engineers and senior stakeholders to maintain configuration integrity throughout the delivery lifecycle. Configuration Manager Skills and Experience Strong Configuration Management experience within complex technical environments. High proficiency in structuring, maintaining and governing complex Configuration Management Databases (CMDBs). Strong understanding of Configuration Items (CIs), configuration identification, baselines and configuration status accounting. Experience managing hardware, software, infrastructure and documentation configurations. Strong experience with configuration control and formal change management processes. Experience supporting or leading Change Advisory Boards (CABs) or Configuration Control Boards (CCBs). Strong configuration verification and auditing experience. Experience with version control and configuration management tooling. Strong understanding of governance, compliance and technical documentation requirements. Experience maintaining configuration traceability throughout the system lifecycle. Strong cross-functional leadership skills with experience working across development, quality assurance, systems engineering and operational teams. Strong communication and stakeholder management skills, including engagement with senior stakeholders. 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 10 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.
Voir cette offre
Freelance

Mission freelanceInfrastructure Engineer

LA International Computer Consultants Ltd
Publiée le

30 mois
SW1A 2AH, City of Westminster, England, United Kingdom
Infrastructure Engineering Specialist Inside IR35 Location: Ipswich/London Security: DV Rate Per day £500-£600 Duration - 12 months Essential experience Proven ability to lead the full lifecycle-design, build, commissioning, and live operations-of complex engineering or infrastructure systems. Strong technical knowledge of Building Management Systems, Central Monitoring platforms, CCTV, or equivalent critical control environments. Experience operating within high-availability, mission-critical environments where resilience, uptime, and security are non-negotiable. Deep understanding of physical and system security principles, with the ability to identify, mitigate, and manage operational risk. Track record of driving automation and Infrastructure as Code, reducing manual intervention, and improving operational performance at scale. Ability to design and integrate complex, multi-vendor systems into cohesive, scalable, and future-ready platforms. Ability to translate technical complexity into clear business value and influence stakeholders across engineering, security, and operations. Focus on service assurance, proactive monitoring, and continuous optimisation to enhance availability and performance. Desirable experience Networking, security, and identity management Experience in regulated or customer-critical environments Leadership or mentoring experience Please share your latest CV 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.
Voir cette offre
Freelance

Mission freelanceConsultant Senior M365 / Digital Workplace (H/F) | Lille

Montreal Associates
Publiée le
Microsoft Copilot Studio
Copilot
Microsoft Teams

4 mois
400-450 €
Lille, Hauts-de-France
Consultant Senior M365 / Digital Workplace (H/F) | Lille 📍 Lille (3 jours/semaine sur site) 📅 Démarrage : ASAP 📄 Mission longue durée 🌍 Environnement international Dans le cadre d'un programme de transformation digitale d'envergure internationale, nous recherchons un(e) Consultant Senior Microsoft 365 / Digital Workplace pour accompagner l'évolution des services collaboratifs et la migration vers Microsoft 365. 🎯 Vos missions Administrer, exploiter et faire évoluer les environnements Microsoft 365 Garantir la disponibilité, la sécurité et la performance des services collaboratifs Participer à des projets de transformation et de migration vers Microsoft 365 Accompagner le déploiement et l'adoption de Microsoft Copilot Administrer les environnements Teams, SharePoint Online, OneDrive et Exchange Online Contribuer à la gouvernance M365 et aux bonnes pratiques d'exploitation Participer aux incidents majeurs et à l'amélioration continue des services Travailler en étroite collaboration avec les équipes métiers, infrastructures et sécurité Accompagner les utilisateurs dans l'adoption des nouveaux usages collaboratifs Intervenir sur les solutions de visioconférence et les environnements de salles de réunion connectées 🔎 Compétences recherchées ✅ Microsoft 365 (Exchange Online, Teams, SharePoint Online, OneDrive) ✅ Microsoft Copilot & IA Microsoft ✅ Power Platform ✅ Gouvernance et administration M365 ✅ Migration et transformation Digital Workplace ✅ PowerShell (apprécié) ✅ Teams Rooms / solutions de visioconférence (atout) ✅ Anglais professionnel indispensable ⭐ BonusCertification Microsoft 365 Administrator Expert Certification Teams Administrator Certification Microsoft Security Administrator #Microsoft365 #M365 #DigitalWorkplace #MicrosoftTeams #SharePoint #OneDrive #ExchangeOnline #Copilot #PowerPlatform #Freelance #ITJobs #
Voir cette offre
CDI

Offre d'emploiSystem Administrator – Linux & Cloud Infrastructure

CGI
Publiée le

Reading, Royaume-Uni
oin CGI as a System Administrator and help keep secure, business-critical cloud infrastructure performing reliably for our clients. Based on site in Reading, you'll play an important role in monitoring system health, identifying potential issues and providing responsive first-line support within a highly secure environment. You'll have the autonomy to investigate alerts, use monitoring insights to solve problems and contribute to service improvements, while collaborating with experienced technical teams when more complex challenges arise. It's an opportunity to build your expertise across Linux and cloud infrastructure, contribute ideas that strengthen service performance, and develop your career within a supportive CGI community where your contribution has a visible 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 is an office based position.
Voir cette offre
Alternance

Offre d'alternanceTrainee DevOps Engineer | No experience needed (Ref: 7501)

█ █ █ ██ █ █
Publiée le
CI/CD
DevOps
Docker

Birmingham, Royaume-Uni

Offre importée

Offre issue du marché tech, identifiée automatiquement pour vous donner une vue complète des opportunités.

Accès restreint à la communauté

Rejoignez notre plateforme pour accéder aux détails de cette offre et obtenir un accès aux meilleures offres du marché.

Voir cette offre
CDI

Offre d'emploiSoftware Engineers

CGI
Publiée le

Grand Londres, Royaume-Uni
CGI was recognised in the Sunday Times Best Places to Work List 2025 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 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. CGI's Space, Defence and Intelligence business unit, focuses primarily on the delivery of contemporary and innovative technical solutions for the government agencies most challenging problems. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We are currently looking for an experienced software engineers to join our cross-functional team who, in partnership with our clients, will help define, guide and assure the delivery of integrated solutions. The role offers fantastic opportunities to work within an interesting and highly rewarding environment. We are heavily committed to developing our members and provide excellent learning and development opportunities to ensure that your knowledge and skills keep pace with the evolving technology landscape. We engender a culture of innovation, collaboration and ownership; highly motivated self-starters thrive within our organisation. Although we would like candidates to have all the skills we need, we would consider high quality individuals who meet most of the criteria. Due to the secure nature of this project, this role requires candidates to either already hold, or be eligible to obtain, a high level of UK Security Clearance. To meet the eligibility criteria for this clearance, applicants must be sole British nationals, have been resident in the UK for the past 10 years, and must not have spent more than 28 consecutive days outside the UK within the last five years. Individuals who do not currently hold clearance are still encouraged to apply and will be considered both for this position and for other suitable opportunities within CGI where appropriate. This role is primarily based on a secure client site and requires attendance on site five days per week due to the sensitive nature of the work and the systems involved. While the position is predominantly site-based, there may be occasional flexibility where business needs and security constraints allow. Any such arrangements would be agreed in advance with the project team.
Voir cette offre
CDI

Offre d'emploiSenior Full Stack Software Engineer

CGI
Publiée le

Gloucester, Angleterre, Royaume-Uni
At CGI, you'll help create intuitive, high-value software solutions that make complex technology and data easier to use, enabling our clients to achieve better outcomes with less dependency on specialist resources. As a Senior Full Stack Software Engineer, you'll combine creative thinking with hands-on engineering to shape user-focused applications across modern frontend and backend technologies. You'll have the ownership to influence technical approaches, solve meaningful challenges and turn ideas into robust solutions, while collaborating with experienced CGI Partners who will support your development. This is an opportunity to make a tangible impact on an important programme, contribute ideas that improve how solutions are delivered, and continue growing your expertise within one of the world's largest IT and business consulting services organisations. 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 an office based role.
Voir cette offre
CDI

Offre d'emploiSenior Platform Engineer – AWS & Kubernetes

CGI
Publiée le

Gloucester, Angleterre, Royaume-Uni
Join CGI as a Platform Engineer and help shape the secure, scalable foundations that enable innovative AI services to move from development into operational environments. You'll take ownership of meaningful engineering challenges, using AWS, Kubernetes and automation to create reliable platforms that accelerate delivery and generate lasting value for our clients. Working alongside collaborative teams and drawing on CGI's wider expertise, you'll have the freedom to explore creative approaches, influence technical direction and turn ideas into robust solutions. This is an opportunity to make a tangible impact on complex programmes while developing your expertise in a supportive environment where your contribution and career can grow. 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 an office based role.
Voir cette offre
Alternance

Offre d'alternanceTrainee DevOps Engineer | No experience needed (Ref: 7501)

█ █ █ ██ █ █
Publiée le
CI/CD
DevOps
Docker

Grand Londres, Royaume-Uni

Offre importée

Offre issue du marché tech, identifiée automatiquement pour vous donner une vue complète des opportunités.

Accès restreint à la communauté

Rejoignez notre plateforme pour accéder aux détails de cette offre et obtenir un accès aux meilleures offres du marché.

Voir cette offre
Alternance

Offre d'alternanceTrainee DevOps Engineer | No experience needed (Ref: 7501)

█ █ █ ██ █ █
Publiée le
CI/CD
DevOps
Docker

Grand Londres, Royaume-Uni

Offre importée

Offre issue du marché tech, identifiée automatiquement pour vous donner une vue complète des opportunités.

Accès restreint à la communauté

Rejoignez notre plateforme pour accéder aux détails de cette offre et obtenir un accès aux meilleures offres du marché.

Voir cette offre
Alternance

Offre d'alternanceTrainee DevOps Engineer | No experience needed (Ref: 7501)

█ █ █ ██ █ █
Publiée le
CI/CD
DevOps
Docker

Grand Londres, Royaume-Uni

Offre importée

Offre issue du marché tech, identifiée automatiquement pour vous donner une vue complète des opportunités.

Accès restreint à la communauté

Rejoignez notre plateforme pour accéder aux détails de cette offre et obtenir un accès aux meilleures offres du marché.

Voir cette offre
Freelance

Mission freelanceArchitecte API

BEEZEN
Publiée le
API
Apigee
Architecture

12 mois
650-720 €
Montreuil, Île-de-France
Je recherche un Architecte API ayant un Anglais fluent La plateforme API se compose de : Apigee OPDK (sur site/on-premise), Apigee Hybrid (à venir), Stoplight/SwaggerHub, Akamai Kona, Akamai API Security, AVI WAF/LB, Bruno, Karate. L'équipe d'architecture API de mon client est responsable de : Gouvernance des API (traditionnelles et MCP/A2A) : directives de conception, utilisation/intégration (onboarding) sur la plateforme API, contrôles d'inventaire des API. Plateforme API : accompagnement des équipes dans la compréhension de l'utilisation de la plateforme, conseils sur le processus et les outils d'intégration, définition des améliorations de l'implémentation de référence. Sécurité des API : accompagnement des équipes sur la compréhension des exigences de sécurité (celles couvertes par la plateforme API par rapport à celles à implémenter par les équipes), contrôles de sécurité obligatoires dans le cycle de vie des API. Périmètre d'intervention pour le rôle d'architecte API : Gestion du portefeuille d'API (REST/MCP/A2A) pour un domaine donné. Gestion du cycle de vie des API, y compris pour les cas d'usage liés aux agents autonomes. Contribution à un ou deux aspects de l'industrialisation du cycle de vie des API parmi les suivants : extensions/automatisation des cas d'usage liés aux agents, découverte d'API, outils de conception et extensions/automatisation des directives, outils de test (unitaires et automatisés), nouveaux cas d'usage (SSE, Webhooks, etc.). Expertise requise : Expérience en gouvernance des API au sein de grandes entreprises. Expertise : OAS V3, V3.1, REST. Connaissances pratiques : MCP, A2A. Connaissance et application des normes de sécurité suivantes à différents cas d'usage : OAuth2, spécificités et extensions OAuth2 pour MCP, mTLS (y compris RFC8705), FAPI, OIDC. Expertise dans la conception d'API REST et les outils de conception (y compris les linters), et idéalement MCP/A2A. Connaissance des principaux outils de gestion d'API (idéalement Apigee). Maîtrise de l'anglais (langue de travail).
Voir cette offre
CDI

Offre d'emploiSenior IT Service Management (ITSM) Consultant

CGI
Publiée le

Royaume-Uni
At CGI, we're helping organisations transform the way they deliver technology services by creating modern, resilient and customer-focused IT service management capabilities. As a Senior IT Service Management (ITSM) Consultant, you'll work with leading public and private sector clients to shape future operating models, improve service performance and deliver lasting business value. You'll collaborate with experienced consultants, architects and client stakeholders, taking ownership of meaningful transformation programmes while developing innovative solutions in an environment that supports your professional growth and empowers you to make a real 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 is a hybrid position with expensed travel to client sites as required.
Voir cette offre
CDD

Offre d'emploiSenior Network Systems Engineer

Nexus Jobs Limited
Publiée le

£70k-80k
Grand Londres, Royaume-Uni
IT Senior Network Systems Engineer Our Client is a Bank based in the City of London, are looking to recruit an IT Senior Network Systems Engineer ideally with at least 7 to 10 years of experience in IT ideally from within the banking financial industry. You will be working in a small team managing the day-to-day technology infrastructure to ensure that the Bank can operate efficiently. The Client would like the following key skills: CCNP level networking Solarwinds – Service Desk Software experience Experience of Palo Alto firewalls Firemon – Network Security Devices and Policy Management Complex Switches experience is essential. Experience of Avaya PABX systems Responsible for the maintenance of the IT infrastructure of the Bank by providing first line support of software, hardware and networking that incudes installation, configuration and troubleshooting Manage day to day operational aspects of a project and scope To design, plan and deploy IT projects to enhance the existing IT infrastructure and also any applications required by the bank. End User Computing support for all staff. Coordinator between the London Users and Group IT Security on all requests for systems access and to ensure that such permissions are provided promptly, are regularly updated and that the Group Access Matrix Protocol is followed at all times Preserve the Assets of the Bank by implementing Disaster Recovery and back up procedures and ensuring that the standards comply with Group requirements Provide IT support to ensure the smooth running of daily and periodic reports for the London Compliance team to ensure adherence to the Anti Money Laundering Provisions Overall networking equipment monitoring (i.e. Network Switches, Firewall and other appliances) and support To plan and carry out maintenance checks to ensure IT Operations, infrastructures are running smoothly and ensure daily routine task completeness To maintain the AYAYA PABX system and to ensure that the recording system is always up and running at all times The following is a list of technical skills required for the role: Technical/Functional skills Proficient in common operating systems Windows 10, Windows Server 2016 and above Redhat Linux based Operating System Software proficiency VMWare v6.7 and above Veeam Backup and Replication Symantec Endpoint Protection Symantec Endpoint Encryption ManageEngine Patch Manager Plus Microsoft Office 365 Networking (IT) Cisco Switches and Routers Palo Alto Firewalls LAN/WAN Routing Hardware Dell PowerEdge Servers Dell PowerVault SAN Storage Project management Data analysis Personal skills (Soft Competencies [Core/Leadership]) Strong interpersonal skills Strong written and verbal communication skills (in English) Strong stakeholder engagement Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The salary for this role is in the range £70K - £80K. This is a 12 month FTC role. Please send your CV to us in Word format along with your salary and notice period.
Voir cette offre

Au service des talents IT

Free-Work est une plateforme qui s'adresse à tous les professionnels des métiers de l'informatique.

Ses contenus et son jobboard IT sont mis à disposition 100% gratuitement pour les indépendants et les salariés du secteur.

Free-workers
Ressources
A propos
Espace recruteurs
2026 © Free-Work / AGSI SAS
Suivez-nous