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As a Senior Network Engineer at CGI, you will play a pivotal role in safeguarding and advancing the networks that power our clients’ most critical missions. You will help shape resilient, secure, and scalable infrastructure while contributing to innovative integration and design projects that drive industry transformation. This role offers the chance to take meaningful ownership of complex challenges, collaborate with expert teams, and apply your creativity to deliver future-ready network solutions. Supported by CGI’s strong engineering community, you’ll make a lasting impact across high-value programmes while continuously growing your skills in a dynamic and trusted environment. 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 was recognised in the Sunday Times Best Places to Work List 2025 and named one of the World’s Best Employers by Forbes. We offer a competitive salary, excellent pension, private healthcare, and a share scheme (3.5% + 3.5% matching), making you a CGI Partner rather than just an employee. We are committed to inclusivity and building a genuinely diverse community of technology professionals. CGI’s Space, Defence and Intelligence business unit delivers innovative, mission-critical solutions to some of the UK government’s most complex and challenging problems. We design, build, and operate bespoke, secure systems that help keep the nation safe and secure. Our work spans cloud, on-prem, and hybrid environments, underpinned by strong cyber and engineering best practices. We are seeking experienced Site Reliability Engineers to join our cross-functional teams supporting secure, cloud-based and big-data platforms. Working closely with clients and internal delivery teams, you will help design, build, operate, and continuously improve highly reliable, scalable systems within a secure environment. Due to the nature of the work, this role requires onsite attendance and applicants must be solely UK Nationals (not dual nationals and not visa holders) with existing HMG DV / HLC clearance.

Le CMDB Steward agit comme expert métier (SME – Subject Matter Expert) et facilitateur de la gouvernance de la qualité des données de la CMDB sur les domaines qui lui sont attribués. Le rôle se concentre sur : Le suivi de la qualité des données ; L’identification des anomalies et incohérences ; L’accompagnement et la formation des CI Managers et Data Owners ; La facilitation des actions de remédiation ; Le soutien à l’amélioration continue de la santé de la CMDB ; La collaboration étroite avec les équipes ServiceNow et les autres parties prenantes afin de garantir des solutions cohérentes, évolutives et conformes aux exigences de la banque. Description des activités 1. Activités techniques et stratégiques1.1. Assistance au Service Mapping Réaliser les activités liées au Service Mapping (cartographie des applications) dans ServiceNow : Créer les instances de service correspondantes ; Valider le périmètre et la cartographie des services ; Créer les liens/relationnels nécessaires et corriger les écarts avec les parties prenantes concernées ; Assister à l’intégration de nouvelles applications métier. 1.2. Suivi de la qualité des données et identification des anomalies Surveiller et identifier les problèmes de qualité des données et les anomalies de la CMDB, notamment : Éléments de configuration (CI) ou attributs manquants ; États de cycle de vie invalides ; Relations cassées ou incorrectes ; CI orphelins ; Incohérences liées aux responsables ou propriétaires. Identifier les problèmes de qualité des données et les escalader vers les responsables appropriés : CI Managers ; Support CMDB ; Support ITOM ; Responsables technologiques. Animer les sessions de revue de santé de la CMDB conformément aux processus : CMDB Health ; CMDB Verification Audit. 1.3. Conseil et support Apporter son expertise et son accompagnement sur : La gouvernance de la CMDB ; Les standards du cycle de vie des CI ; La modélisation des relations et dépendances. Accompagner les CI Managers sur les bonnes pratiques de modélisation. Assurer le suivi de la file de tickets CMDB et fournir assistance et support sur le périmètre attribué.

Senior Network Engineer with Security and Cisco – City London Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft. The security and support of the company’s network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. This role requires a responsible individual who can design and deliver secure networking solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Main Aspects of the role: -Work within Infrastructure team in supporting and delivering all aspect of BAU and support services -Design, build and implement firewall solutions from perimeter to DMZ roles -Support IPS deployment for European branches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need to bring to the table: -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting a data-centre and branch inter-connectivity -Strong technical skills are essential -Experience of CISCO multi-layer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS / RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. You will ideally be coming with experience from a City based investment bank. Salary for this role is between £60K and £70K plus banking benefits. Please send your CV to us in Word format.

At CGI, we deliver mission-critical technology solutions that help protect the UK’s national interests and support some of the country’s most important programmes. As a Site Reliability Engineer, you will play a key role in ensuring the reliability, scalability and performance of critical services, helping teams deliver resilient platforms that operate at scale. Working within a collaborative and innovative environment, you will have the opportunity to influence platform strategy, automate complex processes, and drive continuous improvement while being supported in developing your skills and career. Your work will directly contribute to operational excellence and the successful delivery of high-impact outcomes for our clients. 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 role will be based on a secure site.

At CGI, we’re redefining how technology protects the nation. As an ArcSight SIEM Engineer, you’ll play a vital role in a major defence programme—modernising secure data platforms, driving automation, and strengthening the UK’s cyber resilience. Working at the forefront of national security, you’ll design and support cutting-edge systems that enable faster, smarter threat detection and decision-making. You’ll be part of a close-knit team that thrives on collaboration, innovation, and technical excellence—where you’ll have the freedom to take ownership of your work, the opportunity to create lasting impact, and the support of a global organisation committed to your growth. 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 full-time onsite position in Basingstoke (no hybrid/remote working).

Nous recherchons un(e) Analyste CERT – Threat Hunting IA pour rejoindre une équipe cybersécurité en charge de l'anticipation des menaces et de la sécurisation des usages de l'Intelligence Artificielle au sein d'un environnement critique. Vous interviendrez sur des missions de Threat Hunting dédiées aux technologies IA afin d'identifier les usages, détecter les risques et renforcer le niveau de sécurité des modèles déployés. À ce titre, vous serez notamment amené(e) à : Concevoir un processus d'inventaire automatisé des usages IA et détecter les cas de Shadow IA. Évaluer les risques liés aux modèles IA (LLM, IA générative, modèles de classification...) et vérifier l'efficacité des mécanismes de protection (guardrails). Définir des stratégies de détection et de supervision des usages IA en collaboration avec les équipes SOC. Réaliser des tests de sécurité sur les modèles IA (Prompt Injection, Jailbreak, fuites de données, hallucinations, biais) à l'aide d'outils spécialisés. Analyser les environnements Cloud afin d'identifier les expositions liées aux usages IA et proposer des recommandations de remédiation. Développer des scripts et automatisations en Python pour renforcer les capacités de détection et d'analyse.

Provide hands-on leadership across Security Operations , acting as a domain lead Support and enhance SOC and security monitoring capabilities Oversee and improve processes for incident detection, response, and remediation Work closely with Cyber Security leadership to shape operational security strategy Ensure effective use and optimisation of security tooling and platforms Lead on threat detection, triage, and response activities where required Review and strengthen playbooks, procedures, and operational controls Act as a senior escalation point for security incidents Please click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Real, please visit Real Staffing, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

Role Description This is a full-time hybrid role for an Information Security Manager with 2nd and 3rd Line IT support experience. The role involves day-to-day tasks associated with planning, implementing, and maintaining an Information Security Management System (ISMS), including managing cybersecurity risks, implementing network security measures, and ensuring compliance with industry standards. The Information Security Manager will also provide IT support to the company and will be based in the London office, with flexibility for some remote work. Your past experience must include 2nd and 3rd line infrastructure support where you are able to advise and direct the technical team. Qualifications Experience in Information Security Management and creating and implementing an ISMS Experience in Cybersecurity and Network Security Expertise in Information security best practices and standards Excellent problem-solving skills and attention to detail Strong communication and collaboration skills Bachelor's or Master's degree in Computer Science, Information Technology, or related field Certifications such as CISSP, CISM, CCNA, or equivalent are a plus Experience in IT support or Systems Administration is desirable The position is 3 days in the office per week in Central London. Salary will be negotiable - but like to be in the range £65K - £80K. Do send your CV to us in Word format along with your salary and notice period.

At CGI, we deliver cutting-edge software solutions that help protect the UK’s national interests and support critical national security programmes. As a Backend / Platform Software Engineer, you’ll play a key role in designing, building, and deploying cloud-native applications that drive mission success. Working across software engineering, platform technologies, and automation, you’ll help create scalable, resilient solutions while contributing to a culture that values innovation, collaboration, and ownership. You’ll have the opportunity to make a meaningful impact, influence technical outcomes, and develop your expertise alongside highly skilled professionals tackling some of the most complex challenges in the industry. 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 role is based on a Secure Site.

At CGI, you will play a key role in safeguarding the quality and reliability of critical enterprise platforms that support some of the UK’s most important programmes. As a Tester, you will help ensure systems perform as intended, meet user needs, and deliver measurable value. Working directly on client site in Corsham, you will be trusted to take ownership of testing activities, collaborate closely with Agile delivery teams, and continuously improve how quality is embedded across the delivery lifecycle. With the support of a collaborative, expert community, you will be empowered to apply your experience, shape best practice, and make a meaningful impact in a secure and mission-focused environment. 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. Please note this role is based full time on client site near Chippenham. Due to the secure nature of the programme, you will need to hold DV or HLC clearance. Candidates with SC clearance who are willing to progress to HLC/DV will also be considered.

Dans le cadre du renforcement de ses équipes cybersécurité, notre client recherche un(e) Security Automation Engineer / DevSecOps afin de contribuer à l'automatisation des processus de sécurité et au maintien des plateformes de détection et de réponse aux incidents. Vos missions Au sein d'une équipe de sécurité opérationnelle, vous participerez à l'évolution, l'automatisation et l'exploitation des plateformes de cybersécurité. À ce titre, vous serez notamment amené(e) à : Faire évoluer et maintenir les plateformes d'alerting et d'automatisation de la réponse aux incidents (SOAR). Développer et industrialiser les processus d'automatisation des opérations de cybersécurité. Intégrer de nouveaux outils de sécurité au sein de la plateforme existante. Participer à l'amélioration continue du monitoring et des mécanismes de supervision. Développer des scripts d'automatisation et d'administration. Contribuer à la maintenance et à l'évolution des plateformes de gestion des incidents et de suivi des investigations. Documenter les architectures, les développements et les procédures d'exploitation. Recueillir les besoins des équipes sécurité et proposer des améliorations techniques. Participer à la définition de la roadmap technique des plateformes. Assurer le maintien en conditions opérationnelles des solutions déployées. Environnement technique Python Linux Shell Ansible SQL Git SOAR SIEM Monitoring API REST Automatisation DevSecOps Cybersécurité opérationnelle Qualités recherchées Autonomie et sens des responsabilités. Esprit d'analyse et capacité à résoudre des problématiques complexes. Curiosité technique et goût pour l'automatisation. Bon relationnel et aptitude à collaborer avec des équipes pluridisciplinaires. Capacité d'adaptation dans un environnement agile et en constante évolution. Bon niveau d'anglais technique.

Mission principale Garantir la sécurité des environnements cloud (Azure, AWS, GCP) via la maîtrise avancée de la plateforme Microsoft Defender for Cloud, en assurant la posture de sécurité, la conformité et la protection des workloads cloud. Responsabilités Déployer et configurer Microsoft Defender for Cloud sur les environnements cloud Gérer la posture de sécurité (CSPM) Identifier et corriger les mauvaises configurations cloud Définir des standards de sécurité (baseline, hardening) Sécuriser les workloads : VM, containers, bases de données, storage Analyser les recommandations de sécurité et prioriser les risques Intégrer la solution avec SIEM/SOC (Sentinel / XDR) Participer à la gestion de la conformité (ISO 27001, CIS benchmarks, etc.) Automatiser la sécurité via IaC (Terraform, ARM, Bicep) Compétences techniques Microsoft Azure (expertise obligatoire) Microsoft Defender for Cloud (avancé) Cloud Security (CSPM / CWPP) IAM / Entra ID (Azure AD) Sécurité réseau cloud (NSG, Firewall, segmentation) Kubernetes / containers (bonus fort) Terraform / Infrastructure as Code SIEM (Microsoft Sentinel fortement apprécié) Profil recherché 5 à 10 ans d’expérience IT / cybersécurité Expérience cloud engineering ou architecture sécurité Background Azure très solide Expérience en audit sécurité cloud ou consulting sécurité Soft skills Vision architecture / design sécurité Capacité à challenger les équipes infra/dev Esprit de synthèse (risques / priorisation) Approche orientée réduction de risque Environnement Cloud public (Azure majoritaire, multi-cloud possible) Équipe sécurité / cloud platform / architecture

Société Éditeur de logiciel spécialisé dans l'Industrie 4.0, notre client développe notamment une plateforme SaaS permettant aux industriels de créer un jumeau numérique de leurs lignes de production afin d'optimiser leurs performances grâce à l'IA et à l'analyse de données en temps réel. Présente en Europe, en Amérique du Nord, en Amérique du Sud et en Asie, l'entreprise accompagne de grands groupes industriels dans leur transformation digitale. Mission & responsabilités Dans un contexte de structuration de la fonction sécurité, vous serez notamment en charge de concevoir et d'industrialiser une approche DevSecOps moderne, avec un fort niveau d'automatisation. Vos principales responsabilités seront les suivantes : Définir et déployer la stratégie DevSecOps. Automatiser les processus de sécurité en s'appuyant sur des outils du marché et l'IA. Piloter la gestion des vulnérabilités (CVE), les audits de code, les pentests et les bonnes pratiques OWASP. Superviser les outils de sécurité applicative (SAST, SCA, Snyk, etc.). Participer aux due diligences sécurité et accompagner les équipes avant-vente sur les sujets liés à l'Edge Computing et aux environnements industriels. Définir les indicateurs de performance et industrialiser les pratiques sécurité.

At CGI, our Space, Defence and Intelligence business unit delivers mission-critical systems that help keep the UK safe and secure. As an Infrastructure Business Analyst, you will play a pivotal role in shaping and delivering technology transformation initiatives, bridging business needs with complex infrastructure solutions. Working across secure, high-impact programmes, you will help drive measurable outcomes through innovation, collaboration, and insight. You’ll be empowered to take ownership of business analysis activities, influence strategic decisions, and contribute creative solutions, all within a supportive environment that values continuous growth and meaningful 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 position will be based on site near Gloucester 5 days a week.