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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 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. 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 is looking for a highly talented, driven, and dynamic Scrum Master with a passion for leading teams. At CGI, you will be involved in a mission critical project working alongside dedicated people like yourself, building forward looking solutions and making an impact with both internal and client stakeholders. CGI’s capabilities and our client engagements will offer you an exciting path for growth. Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate. This position is located in London, working predominantly on the client's site.

Secure Innovation is part of CGI’s Space, Defence and Intelligence business unit, focused primarily on the delivery of contemporary and innovative technical solutions for the our client's most challenging problems. Our teams work alongside our clients to help them understand how to exploit technologies to maintain a competitive advantage. We are looking for a hands on Senior Network Engineer to help our team design and deploy a next generation hybrid and multi cloud Wide Area Network, with a blend of physical and virtual appliances, alongside first party Public Cloud services. The enabling technology is predominantly Cisco SD WAN with automation enabled through the Day 0 deployment and the Cisco SD WAN Manager's API service We are heavily committed to developing our members and will 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 of the mandatory requirements, we would consider high quality individuals who meet most of the criteria. Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate.

CGI’s Space, Defence, and Intelligence business unit is dedicated to delivering cutting-edge technical solutions that address the most complex challenges faced by government agencies. Our mission-critical systems are custom-built to ensure security, reliability, and innovation, helping our clients protect the nation and its people. We are currently seeking a Linux Admin to join our Secure Innovation & Advisory team, working collaboratively with clients to deliver impactful solutions. 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 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. This role offers an exciting opportunity to engage with groundbreaking technologies in a dynamic and rewarding environment. At CGI, we are deeply committed to the growth and development of our team members, offering extensive learning opportunities to help you stay at the forefront of an ever-evolving technology landscape. Our culture values innovation, collaboration, and ownership, making it an ideal environment for self-motivated individuals to thrive. Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate. This role will require you to work on site in London 5x per week.

CGI’s Space, Defence, and Intelligence business unit is dedicated to delivering cutting-edge technical solutions that address the most complex challenges faced by government agencies. Our mission-critical systems are custom-built to ensure security, reliability, and innovation, helping our clients protect the nation and its people. We are currently seeking a Technical Architect to join our Secure Innovation & Advisory team, working collaboratively with clients to deliver impactful solutions. 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 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. This role offers an exciting opportunity to engage with groundbreaking technologies in a dynamic and rewarding environment. At CGI, we are deeply committed to the growth and development of our team members, offering extensive learning opportunities to help you stay at the forefront of an ever-evolving technology landscape. Our culture values innovation, collaboration, and ownership, making it an ideal environment for self-motivated individuals to thrive. Please note, due to the highly secure nature of the project, this role is open only to UK Nationals who hold or are eligible for HMG High-Level Clearance (HLC). While there is some flexibility for remote or hybrid work, onsite attendance at the specified location(s) will be required for secure system access.

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.

CONTEXTE Experience : 7 ans et plus Métiers Fonctions : Pilotage de projet ou de programme, Expert Spécialités technologiques : Infrastructure, Virtualisation, Cloud Cybersécurité, Reporting MISSIONS L’expert en assurance technique / Security Assurance Officer est responsable de la mise en œuvre, du suivi et de l’amélioration des activités d’assurance sécurité au sein des infrastructures IT et des environnements cloud. Il contribue à garantir l’efficacité des contrôles de sécurité, la conformité des configurations et le suivi des recommandations de durcissement (hardening). Ce rôle s’inscrit dans un projet stratégique d’envergure internationale, avec une durée prévue jusqu’à fin 2026. Missions et responsabilités Assurer l’analyse et la vérification de l’efficacité des contrôles de sécurité mis en place sur les infrastructures IT et services cloud. Challenger les configurations (fichiers, consoles, systèmes) afin de garantir leur conformité et leur sécurité. Réaliser des audits techniques de sécurité et analyser les preuves (evidences). Interview des équipes techniques pour collecter les preuves nécessaires et comprendre les pratiques opérationnelles. Formaliser et maintenir des procédures d’assurance sécurité (génériques ou spécifiques à une technologie donnée). Aider et accompagner les équipes dans la mise en place de contrôles d’assurance et autres procédures techniques de sécurité. Rédiger et structurer la documentation : conception de documents depuis zéro, définition de méthodes de contrôle, audit des configurations. Contribuer au suivi du hardening et au pilotage de la conformité sécurité des infrastructures. Livrables attendus Procédures formalisées d’assurance sécurité technique (génériques ou spécifiques). Rapports et résultats d’exécutions d’assurance sécurité sur les applications et infrastructures IT. Documentation claire et exhaustive des contrôles effectués, des écarts constatés et des mesures correctives proposées. Contribution au suivi et reporting de l’avancement des mesures de durcissement (hardening). Expertise souhaitée Formation universitaire en informatique, cybersécurité, architecture des systèmes ou domaine équivalent. Expérience confirmée en assurance sécurité et audits techniques (incluant infrastructures, certifications, contrôles de conformité). Bonne maîtrise des méthodologies d’audit et de la formalisation documentaire. Capacité à proposer des solutions adaptées à la complexité, au risque et aux enjeux d’infrastructures critiques. Compétence technique sur des environnements infrastructure et virtualisation : VMware Puppet Technologies cloud et services associés Outils de sécurité liés à l’infrastructure Aptitude à challenger les équipes techniques produit et à comprendre les technologies sous-jacentes. Anglais courant (impératif, notamment dans le domaine de la sécurité de l’information).

L’équipe produit les services de mise en œuvre complexe et le support avancé des composants logiciels (CFT, XFB Gateway, Secure Transport, Sentinel) : Maintien en condition opérationnelle et Support N3 des infrastructures de transfert de fichier. Solutioning technique dans le cadre de projets (integration du service dans le CLOUD de l’entreprise) Gérer les incidents Niveau 3 (incidents critiques) Participer à l’évolution des infrastructures CFT/XFB/ST Participer à l’intégration et au support du Service CFT dans le CLOUD de l’entreprise Contribuer aux projets applicatifs des métiers Gérer les projets techniques du domaine Créer et Maintenir à jour la documentation

At CGI, we partner with the UK’s Defence sector to deliver secure, mission-critical systems that safeguard our nation. As a Test Manager, you will play a pivotal role in assuring the quality of enterprise-grade solutions that protect lives and strengthen resilience. You’ll take ownership of testing across complex programmes, applying your expertise to drive innovation, enhance collaboration, and ensure delivery success. In joining us, you’ll be empowered to lead with creativity, supported by a diverse community of experts, and recognised for the lasting impact of your work on national security. 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.

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 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, 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 the highest level of UK Security Clearance or be eligible to go through this. This position will be working out of client sites near Cheltenham.

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 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, 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 working out of our site in Cheltenham.

CGI’s Space, Defence, and Intelligence business unit is dedicated to delivering cutting-edge technical solutions that address the most complex challenges faced by government. Our mission-critical systems are custom-built to ensure security, reliability, and innovation, helping our clients protect the nation and its people. We are currently seeking Defence & Intelligence Specialists to join our Secure Innovation & Advisory team, working collaboratively with clients to deliver impactful solutions. This role offers an exciting opportunity to engage with groundbreaking technologies in a dynamic and rewarding environment. At CGI, we are deeply committed to the growth and development of our team members, offering extensive learning opportunities to help you stay at the forefront of an ever-evolving technology landscape. Our culture values innovation, collaboration, and ownership, making it an ideal environment for self-motivated individuals to thrive. Please note, due to the highly secure nature of the project, this role is open only to UK Nationals who hold or are eligible for High-Level Clearance (HLC). While there is some flexibility for remote or hybrid work, onsite attendance at the specified location(s) will be required for secure system access.

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 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. Secure Innovation is part of CGI’s Space, Defence and Intelligence business unit, focused primarily on the delivery of contemporary and innovative technical solutions for the government agencies most challenging problems. Our teams work alongside our clients to help them understand how to exploit technologies to maintain competitive advantage. Our systems are engineered for performance, security, reliability and scalability; built with modern CI and CD tooling and techniques. We are currently looking for an experienced cloud infrastructure engineer to join our team – being able to think outside of the box to overcome technical challenges is essential! Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate.

VOTRE QUOTIDIEN RESSEMBLERA A… Vous rejoignez notre client dans le cadre d'un projet stratégique de sa plateforme d’échange de fichiers, afin d'accompagner la transition d’Axway XFB vers Secure Transport et assurer l’intégration et l'administration des flux jusqu'à leur interfaçage avec l’ordonnanceur Dollar Universe. Vous jouerez un rôle clé dans la mise en production, le maintien en conditions opérationnelles (MCO) et l’amélioration continue des systèmes ainsi que sur l’orchestration de la migration. A ce titre, vous serez en charge de : Participer à l’analyse de l’existant (cartographie des flux XFB, dépendances, protocoles utilisés, etc.) Définir et implémenter les stratégies de migration vers Secure Transport Configurer la nouvelle plateforme Secure Transport Assurer la migration des flux : tests, validation, mise en production Accompagner les équipes internes : documentation, transfert de compétences Contribuer à la gestion des incidents et à l’optimisation post-migration Le poste est basé à Avignon (84) . Dans le cadre de vos fonctions, vous pourrez bénéficier de 2 jours de télétravail par semaine.

Security Analyst | 6 - Months | London | Hybrid My client is seeking a Security Analyst to join their SecOps team. The role involves managing day-to-day security operations, including handling security-related tickets and responding to alerts. The successful candidate will also conduct in-depth analysis of suspicious activities-ranging from malicious emails to process hierarchies-to strengthen the organization's defensive security posture. Key Responsibilities of the Security Analyst: Respond to and resolve escalated security incidents, performing hands-on troubleshooting to address issues effectively. Monitor and investigate security alerts using tools such as CrowdStrike, ensuring timely threat detection and response. Leverage knowledge of Base64 encoding and Windows SIDs (e.g., NT Authority/System) to analyze suspicious processes and assess privilege levels. Design and maintain SIEM dashboards, detection rules, and alerts within Splunk to enhance security visibility and automation. Manage identity, directory, and MDM services using JumpCloud, ensuring secure and efficient user and device management. Perform regular vulnerability assessments and risk analyses with Qualys to identify and mitigate potential security gaps. Collaborate closely with the SecOps team and cross-functional IT groups to maintain secure system configurations and improve security posture. Stay up to date on emerging cybersecurity threats, vulnerabilities, and industry best practices to strengthen organizational defenses. Required Experience and Technical Skills Demonstrated experience as a Security Analyst or as part of a Security Operations (SecOps) team, with a strong track record in incident response and threat mitigation. Hands-on expertise with CrowdStrike for security alert detection, investigation, and threat hunting. Must be proficient in Splunk for log analysis, alerting, and security event monitoring. Skilled in analyzing suspicious emails and applying email authentication techniques to prevent phishing attacks. Practical experience conducting process analysis on both Windows and macOS systems to identify potential security risks. Strong understanding of vulnerability management practices, with Qualys experience highly preferred. Proven ability to handle escalated security tickets efficiently and effectively. Desirable Experience Exposure to businesses operating outside of the traditional Microsoft ecosystem. Background in professional or regulated indust

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 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, 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. *** Applicants Must be solely UK National and already hold HMG HLC clearance *** Role Location: Gloucester or Manchester We are seeking a highly skilled and motivated Site Reliability Engineers to join our team. The ideal candidates will possess a good understanding of engineering principals, and broad understanding of full-stack software technologies, with hands-on expertise in application development, and tooling within a secure/on-prem environment, combined with a passion for application of best practices.

Contexte : Renforcement de notre posture de sécurité sur AWS. Services : Formalisation / révision des guides de durcissement de la sécurité pour plusieurs services AWS. Livrables : Formalisation des guides de durcissement de la sécurité pour au moins 8 services AWS, basés sur les exigences de sécurité du Groupe, les exigences de sécurité de l'entité du groupe, et les bonnes pratiques AWS. Services AWS identifiés : Lambda Event Hub CloudWatch EC2 KMS Secret Manager S3 SQS & SNS KMS Secret Manager S3 SQS & SNS KMS Secret Manager