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

À propos de la mission Au sein du Pôle Accompagnement Projets de la Sécurité des SI, vous intégrerez l'équipe SSI pour accompagner la DSI dans sa transformation vers un modèle de gestion par produits. Rattaché(e) au domaine FSST (Fonctions Support & Socles Transverses) — en charge des briques socles du SI (authentification, IAM) et du SI des fonctions support (Conformité, Finance, RH) —, vous agirez en tant que Security Champion / RSSI Métier. Vous représenterez le CISO auprès du domaine et assurerez l'alignement entre les exigences de sécurité et les réalités métiers. Vos responsabilités et livrables principaux Gestion des risques & Sécurité dès la conception (Security by Design) : Réaliser et piloter les analyses de risques SSI (EBIOS RM / ISO 27005) sur le périmètre France et International. Mener les analyses les plus structurantes et piloter celles déléguées au Centre de Services Accompagnement Projets. Produire et maintenir à jour le référentiel des risques du domaine FSST. Fournir une vision contextualisée et consolidée des risques pour appuyer la prise de décision. Feuille de route & Gouvernance SSI : Définir et alimenter la roadmap d'évolutions sécurité des produits et services du domaine, en collaboration avec les équipes métier, architecture et SSI. Formaliser et contribuer à la définition des nouveaux processus de suivi de l'activité SSI. Assurer le reporting d'activité hebdomadaire auprès des CISO. Préparer les supports et animer les comités entre les équipes de pilotage du domaine et la SSI (compte-rendus, présentations). Relai & Sensibilisation : Servir de point de contact privilégié et guider les équipes du domaine vers les interlocuteurs SSI adéquats. Contribuer à l'élévation de la maturité cyber des équipes IT et métier.

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 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 Infrastructure Engineers 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. 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.

À propos de la mission Au sein du Pôle Accompagnement Projets de la Sécurité des SI, vous intégrerez l'équipe SSI pour accompagner la DSI dans sa transformation vers un modèle de gestion par produits. Rattaché(e) au domaine FSST (Fonctions Support & Socles Transverses) — en charge des briques socles du SI (authentification, IAM) et du SI des fonctions support (Conformité, Finance, RH) —, vous agirez en tant que Security Champion / RSSI Métier. Vous représenterez le CISO auprès du domaine et assurerez l'alignement entre les exigences de sécurité et les réalités métiers. Vos responsabilités et livrables principaux Gestion des risques & Sécurité dès la conception (Security by Design) : Réaliser et piloter les analyses de risques SSI (EBIOS RM / ISO 27005) sur le périmètre France et International. Mener les analyses les plus structurantes et piloter celles déléguées au Centre de Services Accompagnement Projets. Produire et maintenir à jour le référentiel des risques du domaine FSST. Fournir une vision contextualisée et consolidée des risques pour appuyer la prise de décision. Feuille de route & Gouvernance SSI : Définir et alimenter la roadmap d'évolutions sécurité des produits et services du domaine, en collaboration avec les équipes métier, architecture et SSI. Formaliser et contribuer à la définition des nouveaux processus de suivi de l'activité SSI. Assurer le reporting d'activité hebdomadaire auprès des CISO. Préparer les supports et animer les comités entre les équipes de pilotage du domaine et la SSI (compte-rendus, présentations). Relai & Sensibilisation : Servir de point de contact privilégié et guider les équipes du domaine vers les interlocuteurs SSI adéquats. Contribuer à l'élévation de la maturité cyber des équipes IT et métier.

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. Working closely with client stakeholders, delivery leaders, engineers and subject matter experts, you will help shape the overall approach for the engagement from a technology and process perspective focusing on the outcomes and value the client seeks. To support this, you will establish effective architecture governance, guide the approach and methodologies across solution architecture, infrastructure, technical architecture, security architecture and the operating model for delivery. You will work to support continuous improvement by identifying areas of opportunity and help introduce innovation in a controlled and pragmatic way within a secure defence environment. Due to the secure nature of the programme, you must be a sole UK National and currently hold UK Higher Level Clearance. This position will require you to be onsite in Chippenham 5 days per week.

At CGI, we deliver mission-critical systems that protect and secure the UK, combining deep technical expertise with innovative thinking to drive real-world impact. As a DevOps Engineer, you will play a pivotal role in designing and evolving resilient infrastructure that underpins national security programmes, working at the forefront of technology within a collaborative, supportive environment. We empower you to take ownership of complex challenges, contribute creative solutions, and grow your career while shaping high-value outcomes for our clients across defence and intelligence. 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.

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 Business Analyst 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). This role is required 5 days onsite on a secure site.

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 a Project Manager 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. 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 Business Analyst 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). The role will be working 5 days per week on a secure site.

At CGI, we partner with Defence clients to deliver critical data exploitation capabilities that strengthen national security and enable smarter, faster decision-making. As an Infrastructure Engineer, you will play a pivotal role in shaping and supporting secure, resilient platforms while guiding the migration of legacy services to MOD core cloud infrastructure. Working alongside senior client stakeholders, you will provide trusted technical insight, mitigate risk, and drive value across complex programmes. We empower you to take ownership of high-impact challenges, bring fresh thinking to complex problems, and collaborate within a supportive, expert-led environment where your contribution directly influences mission success. 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.

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.

Dans le cadre du renforcement de son expertise technique, l'organisation souhaite s'appuyer sur un Tech Lead expérimenté afin d'accompagner les équipes IT, de garantir la qualité des solutions et de contribuer à l'évolution et à la modernisation du système d'information. Le consultant interviendra en transverse auprès des équipes techniques, de développement et d'infrastructure. Missions principales : Apporter une expertise technique transverse et accompagner les équipes dans leurs choix et orientations techniques. Définir et promouvoir les bonnes pratiques de développement, d'architecture et d'industrialisation. Garantir la qualité, la performance, la sécurité et la maintenabilité des solutions. Piloter des chantiers techniques structurants : obsolescence, migrations, modernisation et évolutions des environnements. Participer aux études d'impact et aux décisions d'architecture. Apporter un support technique avancé et contribuer à la résolution de problématiques complexes.

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 a Project Manager 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. 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.

At CGI, we deliver mission-critical solutions that shape the future of secure digital services, and as a Scrum Master you will play a pivotal role in driving high-performing Agile teams to achieve meaningful outcomes for our clients. We empower our professionals to take ownership of delivery, champion innovative ways of working, and collaborate closely with stakeholders to unlock measurable value. Joining us means contributing to forward-looking programmes that demand excellence, resilience, and creativity, while being supported by a community committed to your growth and success. 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 position predominately based on a secure site.