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Dans un contexte de renforcement du SOC et d’exigences réglementaires accrues (DORA, NIS2), nous recherchons un Expert Cyberdéfense / SOC pour intervenir sur des enjeux critiques de détection, réponse à incident et résilience opérationnelle. Au sein d’un dispositif SOC mature, vous interviendrez sur : Analyse et qualification d’incidents de sécurité complexes Amélioration continue des cas d’usage SIEM et des playbooks SOC Participation aux activités de threat hunting Contribution aux investigations cyber : ransomware compromission phishing avancé exfiltration de données 🤝 Coordination avec les équipes internes : RSSI, risques, conformité, cloud, infrastructure 📊 Contribution aux travaux de résilience opérationnelle numérique (DORA / NIS2)

Rattaché à la Direction de la Sécurité Opérationnelle, vous intégrez une équipe composée d'administrateurs SSI et du CSIRT. Vous serez en charge de l'administration, l'exploitation et l'évolution de la plateforme Splunk Enterprise Security (Splunk ES). Vos principales responsabilités incluent le maintien en condition opérationnelle et de sécurité de la solution, ainsi qu'une étroite collaboration avec les équipes CSIRT pour soutenir les activités de détection et de réponse à incident. Vous assurerez la production de comptes rendus d'intervention et la gestion du ticketing. Des astreintes sont possibles sur ce poste.

Description du poste Dans le cadre du renforcement d'une équipe Sécurité Opérationnelle au sein d'une DSI d'un grand compte assurance, nous recherchons un Expert Cloud Security GCP pour accompagner les équipes dans la sécurisation et la gouvernance des environnements Cloud. Vous interviendrez sur des sujets de sécurité opérationnelle, de gouvernance Cloud et d'accompagnement des équipes utilisatrices afin de garantir l'application des bonnes pratiques de sécurité. Vos principales missions seront : Accompagner les équipes utilisatrices de GCP / S3NS dans l'application des bonnes pratiques de sécurité : revue des vulnérabilités de leurs applications, recommandations d'audit et appui à la remédiation. Participer au CCOE : bonnes pratiques de sécurisation de la landing zone, revue des vulnérabilités, recommandations d'audit, et contribution à la feuille de route Cloud (offre de service, projets de migration). Assurer le reporting de la posture de sécurité Cloud (indicateurs, suivi des vulnérabilités, comités) sur le périmètre. Contribuer à la montée en compétences des équipes Sécurité internes sur GCP / S3NS et Security Command Center (SCC). Participation à la définition et suivi de la posture de sécurité (CSPM) : politiques, baselines, écarts par rapport au référentiel. Piloter la gouvernance des identités et des accès sur GCP : application du moindre privilège, gestion des rôles et des comptes de service. Contribuer à la chaîne de détection Cloud : intégration des logs GCP et des findings SCC vers le SIEM, appui aux scénarios de détection et à la réponse aux incidents sur le périmètre Cloud

Security Operations Centre (SOC) Analyst - Tier 2 Location: Stoke-on-Trent, United Kingdom Employment Type: Permanent, Full-Time Department: Security Operations Salary: Up to £55,000 per annum + shift allowance Working Hours: Rotating shifts (early, late, and nights) on a 4-days-on rota. About the Role We are seeking a proactive Tier 2 SOC Analyst to join a 24x7 Security Operations Centre. You will investigate and manage complex security incidents, support threat hunting activities, and act as an escalation point for Tier 1 analysts. This role offers an excellent opportunity to further develop your technical expertise while helping to strengthen and mature the organisation's security operations capability. Key Responsibilities Lead the triage, investigation, and resolution of medium to high-severity security incidents. Monitor and analyse security events using SIEM, EDR, and other security tools. Act as an escalation point and mentor for Tier 1 analysts. Perform threat analysis and share intelligence across teams. Tune and improve SIEM rules and detection capabilities. Support vulnerability management and remediation activities. Produce incident reports, metrics, and post-incident reviews. Collaborate with Infrastructure, Network, and Development teams to improve security posture. Skills & Experience 1-5 years' experience within a SOC or similar security operations environment. Hands-on experience with incident response, security monitoring, and threat analysis. Experience using SIEM, EDR, and vulnerability management tools. Good understanding of security operations processes, attack techniques, and incident management methodologies. Strong analytical and problem-solving skills. Qualifications (Desirable) Degree in Cyber Security, Information Security, Computer Science, or equivalent experience. Relevant certifications such as CompTIA Security+, CEH, CCSP, CISSP, BTL1, BTL2, or SIEM/vendor-specific certifications. 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.

Essential: 1. Hold current DV clearance. 2. Experience in forensics, malware analysis, threat intelligence. 3. Experience using Python, Perl, PowerShell, BASH or an equivalent language. 4. Experience with network forensics and associated toolsets and analysis techniques. 5. ISO 27001:2022 security and risk controls. 6. MITRE ATT&CK adversarial framework. 7. ITILv3/v4 Foundation. Desirable: 1. CompTIA A+. 2. CompTIA Security+. 3. CompTIA CySA+. 4. CompTIA PenTest+. 5. MCSE. 6. SANS 504 - Incident Handling. 7. SANS 511 (Continuous Monitoring). 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.

Spécialiste Sécurité Cloud — Engineering & Intégration Mission de support sécurité « Move to Cloud » 1. Contexte métier Dans le cadre d’une initiative stratégique de transformation vers le cloud, nous recherchons un Spécialiste Sécurité Cloud (Engineering & Intégration) chargé d’apporter un accompagnement sécurité dédié, une approche « security-by-design », un support sécurité proactif et une supervision des risques tout au long du cycle de vie de migration des applications métier. Le rôle consiste à garantir que les exigences de sécurité, les standards d’architecture, le plan de sécurité projet et les bonnes pratiques de sécurité cloud sont intégrés de manière cohérente dans les activités de migration, permettant une adoption sécurisée des services cloud tout en réduisant le risque opérationnel et cyber. 2. Périmètre / Exigences de la mission Jouer un rôle clé dans le soutien au programme de migration cloud de l’entreprise, en agissant comme le spécialiste technique sécurité de référence pour les équipes applicatives durant les phases d’évaluation, de conception, de migration et de déploiement. Objectifs clés : • Agir comme point focal sécurité pour les projets de migration applicative qui lui sont confiés. • Examiner et valider l’architecture cloud, les configurations, le plan de sécurité projet et le plan de migration au regard des standards de sécurité de l’entreprise. • Collaborer avec les équipes d’ingénierie cloud, d’infrastructure, réseau et cybersécurité afin de garantir des schémas d’intégration sécurisés. • Contribuer à l’élaboration de patterns, standards et bonnes pratiques de sécurité cloud réutilisables. 3. Résultats attendus / Livrables • Support de conseil technique en sécurité fourni pour l’ensemble des vagues de migration applicative. • Évaluations de sécurité et analyses de risques réalisées pour les applications migrées. • Revues d’architecture cloud sécurisée et de conception de migration validées. • Plan de sécurité projet de remédiation documenté, recommandations et plans d’atténuation des risques. • Patterns de conception de sécurité cloud réutilisables et guides d’implémentation établis. • Documentation de support pour les exigences de gouvernance, de conformité et d’audit. 4. Expérience technique • Minimum 5 ans d’expérience en tant que Spécialiste Sécurité Cloud. • Solide expérience d’accompagnement d’initiatives de migration cloud à grande échelle en environnement d’entreprise. • Expérience en architecture de sécurité cloud (GCP et AWS). • Expérience de conduite de revues d’architecture de sécurité et d’évaluations des menaces/risques pour des workloads cloud. • Connaissance des référentiels de sécurité et des standards du secteur. • Solide expérience transverse sur plusieurs domaines de la cybersécurité, notamment : – Sécurité du cloud – Sécurité réseau – Gestion des identités et des accès (IAM) – Protection des données • Expérience avérée en environnements globaux vastes et complexes. 5. Qualifications • Bonne compréhension des principes d’architecture de cybersécurité et des approches « secure-by-design ». • Solides compétences en gestion des parties prenantes et en communication. • Expérience avérée en environnements d’entreprise vastes, complexes, multi-cloud et hybrides.

Localisation : Meudon (92) Démarrage : ASAP Dans le cadre de ce besoin : 2 jours de gratuité (intégration) à la charge du partenaire ou du freelance au démarrage de la prestation Contexte de la mission Le prestataire interviendra comme référent PKI pour réaliser les études d’architecture, accompagner les projets de migration et de refonte, piloter la gestion du cycle de vie des certificats, assurer le support expert au run et prendre en charge les activités de cadrage et de gouvernance MOA sur le périmètre PKI. Objectifs et livrables Réaliser les études et définir les architectures cibles PKI, CLM, CMS et HSM. Participer aux projets de migration, refonte et intégration des services de certificats internes et externes. Superviser la gestion du cycle de vie des certificats : émission, renouvellement, révocation, CRL, automatisation et gestion des droits dans le CLM. Assurer un support expert au run sur les incidents complexes liés aux certificats, cartes à puce, CMS et composants PKI. Recueillir et cadrer les besoins métiers, animer la gouvernance et contribuer aux activités de MOA sur le périmètre PKI. Compétences Niveau de compétence PKI Expert Certificat SSL Expert Communication Stratégique Confirmé Architecture système Confirmé

Freelance Product Security Engineer - Contract / Contract-to-Perm Industry: Medical Device / Life Sciences Location: Limerick, Ireland Working model: Hybrid - 2 days minimum per week onsite Contract length: Initial 6 months Rate: Competitive Eligibility: Candidates must already have the right to work in Ireland We are working with a global organisation in the medical device / life sciences industry to recruit a Freelance Product Security Engineer for a long-term contract opportunity based in Limerick. This role is focused on product security, application security, secure SDLC, software security and secure-by-design development within a regulated medical product environment. The successful contractor will work closely with software engineering, product development, quality, regulatory and cybersecurity teams. The work will include security requirements, threat modelling, SAST, DAST, SCA, SBOM review, software composition analysis, vulnerability assessment, exploitability assessment, secure coding and remediation planning. This is not a SOC, SIEM, network security, cloud security or general infrastructure security operations role. Key responsibilities include: Support product security and application security across regulated software-based medical products. Define and support secure SDLC and secure-by-design practices. Partner with software and product engineering teams on security requirements, secure coding and remediation. Lead or support threat modelling and product security risk assessments. Review software/product designs and provide practical application security guidance. Support vulnerability assessment, exploitability assessment, impact assessment and risk review. Work with SAST, DAST, SCA, vulnerability scanning and dependency analysis tools. Support SBOM review, software composition analysis and open-source governance. Contribute to product security documentation within a regulated quality environment. Collaborate with software, systems, quality, regulatory and cybersecurity teams. Required experience: 3+ years' experience in product security, application security, software security, secure software development or security architecture. Strong understanding of secure SDLC, secure-by-design and secure software development principles. Hands-on experience with SAST, DAST and SCA / software composition analysis. Experience with SBOMs, dependency analysis, open-source governance or software supply chain security. Experience assessing vulnerabilities, exploitability, risk, impact and remediation options in application or product environments. Strong cyber fundamentals, including cryptography, CIA triad, threat modelling, authentication, encryption and secure communications. Understanding of secure coding standards and frameworks such as OWASP, NIST or similar. Ability to work directly with engineering teams and provide clear, practical technical guidance. Strong written documentation skills. Experience working in a regulated, quality-managed or safety-critical environment. Nice to have: Experience in medical device, life sciences, regulated software, product security or application security environments. Experience with Windows applications, .NET, SQL Server, Angular, jQuery or similar software environments. Familiarity with FDA, MDR, ISO 13485, IEC 62304, NIS2 or similar regulated frameworks. Security certifications such as CISSP, CSSLP, CEH or similar. This is a strong freelance contract opportunity for someone who wants a hands-on, engineering-facing Product Security Engineer role in the medical device / life sciences industry. Applicants must already have the right to work in Ireland. 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

Notre client recherche un Administrateur de la Sécurité des Systèmes d'Information (SSI). Vous aurez pour mission principale d'assurer l'administration, l'exploitation et l'évolution de la plateforme de sécurité SIEM (Splunk Enterprise Security). Dans ce cadre, vous garantirez le maintien en condition opérationnelle ainsi que le maintien en condition de sécurité de la solution. Vos missions vous amèneront également à rédiger des livrables de suivi, tels que des comptes rendus d'intervention et la gestion des tickets.

Join CGI’s Space, Defence and Intelligence business unit and play a critical role in delivering secure, resilient infrastructure solutions that support nationally significant programmes. As a Manual Infrastructure Tester, you will work within high-performing Agile delivery teams, collaborating with developers, infrastructure engineers, and project managers to ensure the successful testing and integration of complex systems across secure environments. This role offers the opportunity to contribute to high-impact projects while working with modern infrastructure technologies across Windows and Linux platforms. At CGI, you’ll be empowered to take ownership, contribute innovative ideas, and grow your expertise within a collaborative and supportive team 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. This position will work full time on site near Basingstoke.

We are seeking an experienced and motivated Site Reliability Engineer (SRE) to join a high-performing team supporting multiple data product and platform groups. This role is focused on improving the reliability, scalability, observability, deployment, and operational support of critical data-driven platforms and services operating within complex production environments. The successful candidate will work closely with engineering, platform, and operational support teams to strengthen monitoring and alerting capabilities, improve logging and traceability, troubleshoot incidents, support deployments, and automate operational processes wherever possible. The environment includes Kubernetes, Helm, the ELK stack, and a broad range of modern Site Reliability Engineering and cloud platform practices. This is a hands-on technical role suited to someone who thrives in fast-paced operational environments, enjoys solving complex production issues, and is passionate about automation, platform reliability, and continuous improvement. The role requires strong collaboration with both client stakeholders and engineering teams to ensure operational excellence, platform resilience, and service availability across critical systems.

Level 1 Cyber Security Analyst Must have an Active DV Clearance as immediate starts available Level 1 Cyber Security Analyst Responsibilities Monitor SIEM tooling to identify potential security threats. Perform initial investigation and triage of security alerts. Escalate incidents in line with defined processes. Oversee Security Operators during shift activities. Identify and report faults within monitoring tools. Support continuous security monitoring across a 24x7 operation. Follow incident management processes to ensure timely response. Level 1 Cyber Security Analyst Skills and Experience Experience within cyber security or security operations environments. Strong understanding of SIEM tools and alert handling. Technical knowledge across enterprise IT such as networks or servers. Ability to lead activities within a shift environment. Strong communication skills across technical teams. Level 1 Cyber Security Analyst Additional Information To apply, please send your CV by pressing the apply button 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.

📍 Aix-en-Provence / Toulon (ou alentours) 🏠 Télétravail : 2 jours par semaine selon contexte projet 📅 Démarrage : ASAP 🔐 Profil habilité ou habilitable (obligatoire) • 4 à 5 ans d’expérience minimum en environnement SOC • Expertise en analyse, qualification et investigation d’incidents de sécurité (N2/N3) • Capacité à traiter des incidents complexes et à escalader efficacement • Expérience en threat hunting et amélioration continue des cas d’usage • Création, tuning et optimisation de règles de détection (SIEM / EDR) • Bonne maîtrise d’un ou plusieurs outils type Splunk, QRadar, Sentinel, Cortex, CrowdStrike • Connaissance des frameworks (MITRE ATT&CK, NIST, ISO 27001…) • Expérience sur environnements Cloud / hybrides appréciée • Certification type GCIA, GCIH, CISSP ou équivalent est un plus

At CGI, you will play a pivotal role in delivering secure, scalable infrastructure solutions that underpin critical operations across the Space, Defence and Intelligence sectors. Working at the forefront of innovation, you will design, build and manage modern enterprise environments that enable mission success and drive measurable outcomes for our clients. You will contribute to high-impact programmes, shaping resilient platforms while collaborating with experts in a culture that values accountability, technical creativity, and continuous development. 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 in the CGI Chippenham office 5 days a week.

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.