Trouvez votre prochaine offre d’emploi ou de mission freelance Security Information Event Management (SIEM)

Votre missionSécurisation de l'infrastructure as Code Auditer et sécuriser les scripts de déploiement (Terraform, CloudFormation ). Mettre en place des outils de "Policy as Code" (ex: Checkov, OPA, Terrascan) pour bloquer les configurations non conformes avant même le déploiement. Appliquer le principe du moindre privilège sur l'ensemble des ressources Cloud. Optimiser la gestion des secrets et des certificats Opérationalisation et Optimisation des Outils de surveillance (Priorité Court Terme) Faire évoluer et maintenir la configuration du SIEM : centralisation et corrélation des logs (règles de détection) cloud pour détecter les comportements suspects ou les tentatives d'intrusion Mettre en place les indicateurs et tableaux de bord de sécurité des systèmes en production Analyse des alertes, coordination des investigations et réponses Auditer et affiner le paramétrage des outils de sécurité déjà en place (ex: Scanner de vulnérabilités, SAST/DAST, etc.). Intégrer ces outils de manière fluide dans nos pipelines CI/CD existants pour automatiser les contrôles Définir les seuils d'alertes pertinents pour réduire le "bruit" et se concentrer sur les risques critiques Monitorer les dérives de configuration (drift detection) entre l'état souhaité et le runtime. Gestion des Vulnérabilités et Incidents Industrialiser le processus de détection & remédiation : de la détection d'une faille au déploiement des correctifs. Agir en tant qu'acteur clé lors de la réponse aux incidents (Incident Response) : investigation, confinement et analyse post-mortem. Prioriser le backlog de vulnérabilités en fonction de l'analyse de risque business Définir des playbooks d'automatisation pour isoler une ressource compromise (ex: isolation d'une instance EC2 ou d'un pod Kubernetes suspect) Acculturation et Amélioration Continue Accompagner l'équipe platform et les développeurs dans l'adoption des bonnes pratiques “Security by design”, “DevSecOps” Rédiger la documentation technique et les procédures d'exploitation sécurité.

IT Infrastructure Operations and Security Lead This role requires excellent management of a small team in IT along with managing stakeholders and vendors. You must be hands-on technically in IT Infrastructure. The IT Operational Platform and Security Lead is responsible for overseeing the organisation's IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. Security, Compliance & Risk Management Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Soft Skills & Mindset: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. Summary of Skills Required: The following is a summary of the key skills that the Client would like you to bring to the company. Global Enterprise level Infrastructure Management position for the last 5 years, Buy before Build mentality and demonstrable migration of Legacy VM based estates to SaaS and Azure Cloud services platforms, Global Operational team management experience (human resources, strategic delivery, operational service, audit lead for Infra, budget..) Key 3 party operational infrastructure vendor management - i.e. management of managed service partners as a team extension globally, as well as service/solution delivery partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy Infra tech to Azure knowledge/experience, Prior to the last 5 years in Enterprise Management of a global estate/user-base, a demonstrable technical infrastructure engineering level background, working on Windows Server, AD , SQL environments, Firewalls/SDWAN, and Networks (WAN &/or LAN). The Client is based in the City of London. This is a hybrid position with 3 days in the office. The salary for this role will be in the range £85K - £95K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.

QODEXIA est une société de services informatiques implantée en France et en afrique du nord. Partenaire performant, innovant, agile pour aider les entreprises dans leur transforamtion digitale. QODEXIA s'est spécialisée dans le digital, SAP et les nouvelles technologies, accompagne au quotidien les plus grands acteurs de l'industrie, de l'énergie, du Luxe, de la Banque et de l'Assurance sur leurs projets. L'IT est notre passion, les valeurs humaines sont notre capital, c'est de quoi notre ADN est composé. Administrateur Elastic Stack (ELK) N2 Confirmé H/F Localisation : Nantes (44) Type de mission : Freelance / Portage / CDI Démarrage : ASAP Dans le cadre de l'exploitation et du maintien en conditions opérationnelles (MCO) d'une plateforme Elastic Stack (ELK) On-Premises, nous recherchons un Administrateur Elastic Stack N2 Confirmé. Vous intégrerez une équipe d'exploitation en charge d'une plateforme stratégique utilisée pour : • la centralisation des logs ; • l'observabilité des applications ; • la supervision des infrastructures ; • le troubleshooting applicatif ; • les usages SOC / SIEM. Vous interviendrez principalement sur l'administration technique, l'exploitation quotidienne, le support de niveau 2 ainsi que l'optimisation des performances de la plateforme.

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.

ContexteL'équipe de sécurité opérationnelle PSIRT (Production Security Incident Response Team) EMEA est en charge des missions suivantes pour l'ensemble des infrastructures de production d'une grande institution financière internationale en EMEA : Intégration, évolution et maintien en condition opérationnelle des architectures de collecte des logs et de détection d'incident de sécurité (SIEM/SOAR) Mise en place et évolution permanente des Use cases/Règles de corrélation Analyse et réponse aux incidents de sécurité Threat Hunting Investigation / Forensics Intégration, évolution et maintien en conditions opérationnelles du Global Security Dashboard Au sein de cette équipe, vous intégrez la sous-équipe automation, en charge des sujets suivants : Faire évoluer et maintenir la plateforme d'alerting Faire évoluer et maintenir le SOAR (Security Orchestration Automation and Response) Adapter ces plateformes pour les différents territoires (APAC/AMER) et soutenir leurs équipes Faire évoluer et maintenir les plateformes d'allowlisting, et de suivi des formulaires d'investigation Recueillir les besoins d'évolution auprès des membres du PSIRT, des autres équipes sécurité En lien avec l'équipe Défense, intégrer les différents outils sécurité dans la plateforme Documenter la plateforme (code, infrastructure) et en définir la roadmap Améliorer le monitoring Industrialiser et maintenir la plateforme Vectr La mission proposée vous fait intervenir en priorité sur ce dernier point. L'administration système, le développement en python et la mise en place de scripts (ansible, sql, shell) sont nécessaires. Cette mission nécessite un bon relationnel et de fortes capacités d'adaptabilité car les environnements suivis sont complexes en termes d'organisation. MissionsDéfinition des objectifs de niveau de services et autres indicateurs de santé et qualité de l'environnement de production Intégration et configuration de l'outillage de monitoring, logging et alerting Définition et implémentation des dashboards de pilotage de production et stratégie d'alerting Réponse sur incidents et opérations de production en mode DevOps en interaction avec les développeurs et spécialistes infrastructure au besoin pour assurer l'intégrité de la plateforme de production Suivi du cycle de vie des incidents jusqu'au rétablissement du service Lancement de la procédure d'escalade si nécessaire Communication vers les clients et la hiérarchie Analyse des changements devant avoir lieu en production et livraison des recommandations Analyse et évaluation des incidents d'exploitation de façon à optimiser les actions correctives et préventives Classification et définition de la priorité des opportunités d'amélioration de la résilience du système

Information Security Manager with Network Engineering Skills Our Client is bank based in Central London who are looking to recruit a seasoned professional with at least 7 to 10 years expertise level Information Security coupled with Hands-on Network Engineering. The role is mainly Information Security – Data Security and split circa 80% with 20% Network Engineering – so you do need to be hands-on technically. You will ideally have circa 5+ years of work experience with Network Engineering coupled with over 10 years experience with Cisco Systems Products Role Description The Information Security Manager with Network Engineering Skills is a full-time hybrid role based in London, with the flexibility to work from home part of the week. The role oversees the design, implementation, and continuous improvement of information security policies, procedures, and controls across networks and systems. Day-to-day responsibilities include managing the Information Security Management System (ISMS), monitoring cybersecurity and network security events, coordinating incident response, and ensuring compliance with relevant standards and regulations. The person in this role will collaborate with IT and business stakeholders to assess risks, implement technical and procedural safeguards, and support secure network architecture and configuration. Additional tasks include producing security documentation, leading security awareness initiatives, and providing guidance on secure network engineering practices. Qualifications Strong skills in Information Security Management and Information Security, with experience defining and enforcing security policies and governance. Hands-on expertise with Information Security Management Systems (ISMS), including implementation, maintenance, and audit readiness. Proficiency in Cybersecurity and Network Security, covering threat detection, vulnerability management, network hardening, and incident response. Demonstrated network engineering experience (e.g., routing, switching, firewalls, VPNs, secure network design). Relevant certifications such as CISSP, CISM, CISA, CompTIA Security+, or similar are beneficial. Experience with regulatory and compliance frameworks (e.g., ISO 27001, GDPR, NIST) and security best practices. Ability to analyze complex technical environments, communicate clearly with both technical and non-technical stakeholders, and document security requirements and processes. Bachelor's degree in computer science, information security, engineering, or a related field, or equivalent professional experience. Key Networking Skills Required: Cisco Network Switches Layer 2 and 3 (Catalyst 9K) – CCNP Level, Expert Level Preferred Routing protocol – OSPF (Catalyst 9K) – CCNP Level, Expert Level Preferred Cisco Switch Stacking (Cat 9K Switches 9600, 9300. 9200) Virtual Routing and Forwarding – (Catalyst 9600) Internetworking Troubleshooting - CCNP Level, Expert Level Preferred High Availability and Disaster Recovery - CCNP Level, Expert Level Preferred Security/Cyber Security Skills Required: Cisco Firepower Firewalls (ASA, FTD) - CCNP Level, Expert Level Preferred Palo Alto Firewalls – Specialist Level, Architect Level Preferred Cisco Layer 2 Port Security Network Access Control including Cisco ISE, TACACS etc Network Detection and Response Network Encryption (Site to Site VPN's) Cisco Secure Client (ASA) Network IPS (Trellix) Network Zero Day (Trellix NX or similar) Host Zero Day (Trellix HX or similar) Cyber Security Network Control Incident Investigation with the assistance of group cyber security experts – Tier 1, Tier 2 to 3 preferred, using LogRhythm SIEM a bonus Host End Point Protection (Symantec) Host IPS Preferred Skills and Knowledge Vulnerability Management (Scanning for Vulnerabilities and classifying the risk, CIS Benchmark Scanning and compliance) – Using Rapid7 a bonus Knowledge of Penetration Testing, understanding of the types of testing and their advantages and disadvantages Security Zone Design and considerations Network and Security Architecture Design and Considerations Understanding of Information Security (Confidentiality, Integrity, Availability), MITRE ATT&CK, NIST, ISO 27001, SIEM use cases for key controls etc Risk Management in Cyber Security, SSL Blind spots, what causes them and how to mitigate Malware/Ransomware and how to mitigate along with Penetration testing concepts Understanding of White/Black/Grey Box penetration testing. Developing Security policies and procedures and conducting audits/risk assessments Handling crisis situations during security incidents The role is hybrid 3 days in the office in Central London. The salary for this role will be in the range £85K - £100K + Benefits. Do send your CV to us in Word format along with your salary and notice period.

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.

IT Operations Platforms and Security Lead In summary the Client is looking to recruit an all-round individual with expert knowledge and hands-on experience of IT Infrastructure coupled with Security, Compliance & Risk Management You must have upwards of 10 years hands-on expertise in IT Infrastructure combined with Security and Risk – ideally from within the banking or insurance sector. The IT Operational Platform and Security Lead is responsible for overseeing the organisation's IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. The role requires a proactive leader who can drive IT operational excellence, manage security risks, focus on continual service improvement, drive transformational delivery projects, and work effectively with internal stakeholders and third-party vendors to deliver a high-quality Global IT services. Working in line with the Architecture defined IT principle of a "buy before build" environment, the individual will need to ensure that outsourced and cloud-based services are robust, cost-effective, and aligned with business needs and the Strategic IT vision. They will also play a key role in enhancing cybersecurity, protecting data and systems, driving transformative operational change, enhancing IT processes and ensuring compliance with governance bodies and industry regulations. Due to the nature of the role, complexity of the estate, current transformation activities and team size, the role requires the functional capability and proficiency to technically augment the team capabilities (when required) and have a detailed knowledge of technical IT support roles/services as a requirement, across multiple technical areas. Security, Compliance & Risk Management Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Skills & Mindset: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. The Client is a financial organisation based in the City of London. This is a hybrid position with 3 days in the office. Must have a Bachelor's degree in IT or similar. The salary for this role will be in the range £85K - £95K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.

Nous recherchons un Chef de Projet Senior infras IT F/H pour piloter la création d'une plateforme innovante dédiée à la simulation, à la cybersécurité et aux infrastructures numériques critiques. Cette plateforme permettra de tester, valider et entraîner des équipes sur des environnements IT, OT et télécoms complexes, tout en intégrant des technologies de virtualisation, d'IA et de jumeaux numériques. Vos missionsVous prenez en charge le pilotage global du projet, de la phase de cadrage jusqu'à la mise en service : Définir et animer la gouvernance du projet. Construire et suivre le planning, le budget, les risques et les indicateurs de pilotage. Coordonner les équipes techniques (IT, OT, télécoms, cybersécurité, exploitation, immobilier, achats) ainsi que les fournisseurs. Piloter la conception des infrastructures (datacenter, réseaux, sécurité, virtualisation, stockage, IA). Participer à la préparation des consultations fournisseurs et au suivi des marchés. Superviser les phases de réalisation, d'intégration et de déploiement. Organiser les campagnes de tests, de recette et accompagner la mise en production. Garantir la qualité de la documentation technique et assurer le transfert de compétences vers les équipes d'exploitation. Environnement techniqueDatacenter et salles informatiques Réseaux IP, sécurité et segmentation Virtualisation, serveurs GPU, stockage haute performance Environnements IT/OT Plateformes de simulation et jumeaux numériques Outils de supervision et de cybersécurité (SOC, SIEM, Cyber Range) Cette mission s'inscrit dans un programme stratégique de transformation numérique visant à renforcer la résilience et la sécurité d'infrastructures critiques grâce à des technologies de pointe.

Dans le cadre de la croissance de mon client, je recherche un(e) Administrateur(trice) de la Sécurité des Systèmes d'Information (ASSI) pour renforcer leur posture de sécurité, accompagner les projets et soutenir l'exploitation de leur feuille de route cybersécurité. Missions principales50% : Mise en oeuvre technique des mesures de sécurité sur l'infrastructure Cloud (Microsoft et AWS) 20% : Gestion des vulnérabilités et suivi des incidents de sécurité avec le SOC externe 15% : Accompagnement du CTO et du RSSI au quotidien (sécurisation de l'infrastructure, analyse de risques projets, collecte des indicateurs de sécurité, réponse aux questions sécurité…) 10% : Rédaction des documents d'exploitation (DEX) des actions réalisées et maintien à jour des documents d'architecture technique (DAT) 5% : Support IT (Assistance et dépannage aux utilisateurs, Administration/Sécurité des postes de travail) Compétences techniques requises+++ AWS Inspector, AWS Security Hub, AWS Shield, AWS Firewall… +++ Microsoft Defender, Microsoft Security, Microsoft Intune, Microsoft Entra ID ++ Windows et MAC OS ++ Administration réseau Connaissances théoriquesSécurité applicative (SDLC, OWASP, WAF) Sécurité des infrastructures (PKI, HSM, SSO..) Cyberdéfense (SOC, SIEM, EDR, CVE/CVSS…) Contexte normatif : ISO27001, ISO27002, DORA Technos & outils utilisésSIEM : Sekoia.io EDR : HarfangLab, Microsoft Defender Scan : OpenVAS Normatif : ISO27001/27002, ANSSI Méthodo : EBIOS RM Outils projet : ClickUp, Jira, Confluence SAST : SonarCube IAM : Bastion, Keycloak, PKI, HSM CI/CD : GitHub

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.

IT Operations Platforms and Security Lead This role requires excellent management of a small team in IT along with managing stakeholders and vendors. You must be hands-on technically in IT Infrastructure. The IT Operational Platform and Security Lead is responsible for overseeing the organisation's IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. The role requires a proactive leader who can drive IT operational excellence, manage security risks, focus on continual service improvement, drive transformational delivery projects, and work effectively with internal stakeholders and third-party vendors to deliver a high-quality Global IT services. Working in line with the Architecture defined IT principle of a "buy before build" environment, the individual will need to ensure that outsourced and cloud-based services are robust, cost-effective, and aligned with business needs and the Strategic IT vision. They will also play a key role in enhancing cybersecurity, protecting data and systems, driving transformative operational change, enhancing IT processes and ensuring compliance with governance bodies and industry regulations. Due to the nature of the role, complexity Security, Compliance & Risk Management Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Soft Skills & Mindset: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. Summary of Skills Required: Global Enterprise level Infrastructure Management position for the last 5 years, Global team management (human resources, strategic delivery, operational service, audit lead for Infra, budget..) Key - 3 party operational infrastructure vendor management - i.e management of managed service partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy tech to Azure knowledge/experience, Prior to the last 5 years, a technical infrastructure engineering level background, working on Windows Server, AD , SQL environments, Firewalls/SDWAN, and Networks (WAN &/or LAN). The Client is based in the City of London. This is a hybrid position with 3 days in the office. The salary for this role will be in the range £85K - £100K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.

Mission principale Assurer l'expertise, la configuration avancée et l'optimisation de la solution EDR basée sur CrowdStrike Falcon, tout en contribuant à la détection, l'analyse et la réponse aux incidents de sécurité sur les environnements postes de travail et serveurs. Responsabilités Administrer et faire évoluer la plateforme CrowdStrike Falcon Définir et optimiser les politiques de détection et prévention (IOA/IOC) Réaliser du threat hunting avancé sur les endpoints Analyser les incidents de sécurité complexes (malware, ransomware, intrusion) Gérer les réponses à incident (containment, isolation, remédiation) Intégrer l'EDR avec les outils SOC (SIEM type Sentinel, Splunk, etc.) Réduire le bruit des alertes (tuning des règles) Participer à l'amélioration continue de la détection (use cases SOC) Produire des rapports d'analyse technique pour les équipes sécurité Compétences techniques CrowdStrike Falcon (expertise avancée obligatoire) Analyse malware / forensic endpoint Windows / Linux internals Réponse à incident cybersécurité SIEM (Microsoft Sentinel, Splunk, QRadar…) Scripting (Python, PowerShell apprécié) Connaissance MITRE ATT&CK framework Profil recherché 5 à 10 ans d'expérience en cybersécurité Expérience SOC niveau 2/3 ou ingénierie sécurité Expérience forte en environnement entreprise (grand parc endpoints) Certifications appréciées : CCFA, CEH, GCIA, ou équivalent Soft skills Esprit analytique très poussé Autonomie sur investigation complexe Capacité à vulgariser des attaques techniques Rigueur opérationnelle (gestion d'incidents critiques) Environnement SOC / Cyber Defense Center Infrastructure hybride (on-prem + cloud)

Security Platform Engineer - Cloud and Kubernetes Must have an Active DV Clearance Can be based in London, Farnborough or Corsham You will work closely with platform engineers, security specialists, and cloud teams to deliver resilient, secure, and highly automated cloud infrastructure. The position is ideal for an experienced Security Platform Engineer with strong Kubernetes security expertise and a passion for cloud-native security engineering. Security Platform Engineer Responsibilities Design, deploy, configure, and manage cloud security platforms and tooling. Implement and maintain SIEM, IDS, and IPS technologies. Develop security monitoring, logging, and detection capabilities across Kubernetes environments. Investigate, analyse, and respond to security incidents, performing root cause analysis and remediation. Perform forensic investigations into suspicious activity and security events. Automate security workflows and operational processes using scripting and Infrastructure as Code. Support Kubernetes platform security, workload isolation, RBAC, and network policies. Participate in an on-call rota to support security incidents and operational resilience. Security Platform Engineer Skills and Experience Active DV Clearance Experience within Cloud Security Engineering, DevSecOps, or Cloud Platform Engineering is essential Extensive experience using Kubernetes Security Strong experience securing Kubernetes environments, including RBAC, workload isolation, and network policies. Experience with Kubernetes threat detection, anomaly detection, Istio, Linkerd, or workload identity would be advantageous. Security certifications such as CISSP, CISM, GSEC, or OSCP would be beneficial. To apply, please send your CV by pressing the apply button. Due to high volume of applications, only shortlisted CVs will be contacted. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 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.

Senior Endpoint Security Engineer / Expert CrowdStrike Falcon Mission principale Assurer l'expertise, la configuration avancée et l'optimisation de la solution EDR basée sur CrowdStrike Falcon, tout en contribuant à la détection, l'analyse et la réponse aux incidents de sécurité sur les environnements postes de travail et serveurs. ResponsabilitésAdministrer et faire évoluer la plateforme CrowdStrike Falcon Définir et optimiser les politiques de détection et prévention (IOA/IOC) Réaliser du threat hunting avancé sur les endpoints Analyser les incidents de sécurité complexes (malware, ransomware, intrusion) Gérer les réponses à incident (containment, isolation, remédiation) Intégrer l'EDR avec les outils SOC (SIEM type Sentinel, Splunk, etc.) Réduire le bruit des alertes (tuning des règles) Participer à l'amélioration continue de la détection (use cases SOC) Produire des rapports d'analyse technique pour les équipes sécurité Compétences techniquesCrowdStrike Falcon (expertise avancée obligatoire) Analyse malware / forensic endpoint Windows / Linux internals Réponse à incident cybersécurité SIEM (Microsoft Sentinel, Splunk, QRadar…) Scripting (Python, PowerShell apprécié) Connaissance MITRE ATT&CK framework Profil recherché5 à 10 ans d'expérience en cybersécurité Expérience SOC niveau 2/3 ou ingénierie sécurité Expérience forte en environnement entreprise (grand parc endpoints) Certifications appréciées : CCFA, CEH, GCIA, ou équivalent Soft skillsEsprit analytique très poussé Autonomie sur investigation complexe Capacité à vulgariser des attaques techniques Rigueur opérationnelle (gestion d'incidents critiques) EnvironnementSOC / Cyber Defense Center Infrastructure hybride (on-prem + cloud)

📍 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