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Administrateur de solution de sécurité (F/H) - Venelles Rattaché(e) à la Direction de la Sécurité Opérationnelle, vous intégrez l'équipe Sécurité Opérationnelle composée d'administrateurs SSI et du CSIRT. En tant qu'Administrateur SSI, vous êtes en charge de l'administration, de l'exploitation et de l'évolution de la plateforme Splunk Enterprise Security (Splunk ES) . Vous contribuez activement au maintien en condition opérationnelle et de sécurité de la solution. Vous évoluez au sein de la cellule d'administration des outils de sécurité et travaillez en étroite collaboration avec les équipes CSIRT afin de soutenir les activités de détection et de réponse à incident. Vos principales missions : Administrer et exploiter la plateforme Splunk Enterprise Security Assurer le maintien en condition opérationnelle (MCO) et de sécurité (MCS) de la solution Participer à l'évolution et à l'optimisation de la plateforme Splunk ES Collaborer avec le CSIRT sur les cas de détection et de réponse à incident Produire les livrables associés (comptes rendus d'intervention, gestion des tickets) Participer aux astreintes éventuelles

Résultats attendus du profile : - Delivery assuré selon les standards de l'équipe S2S - Développement conforme aux attendus - Tests unitaires, integration, performance, sécurité - Tests automatisés - Propositions d'améliorations techniques - Roadmap technique et Runway conforme aux attendus - Developpement Java / Kuvernetes / Apigee - Monitoring sous Splunk / Grafana - Developpement Topic Kafka (producer ou consumer) - Developpement API (API Mediation, APIGEE....) - intégration dans la BI (databricks, Azure data factory)

IT Infrastructure & Systems Manager We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization. This role requires a strong blend of technical expertise, leadership capability, operational excellence, and stakeholder management skills, within a complex enterprise environment that includes financial, trading, and treasury systems. Please note that this is a completely hands-on role and you must be able to be a Network Engineer, Network Security and Systems Manager all rolled in to on efunction. Role Description The IT Infrastructure & Systems Manager is a full-time role based in London with a hybrid working arrangement, combining on-site presence with some work from home. This role is responsible for managing and maintaining the organization's core IT infrastructure, including servers, networks, storage, and cloud services. Day-to-day tasks include overseeing system administration, monitoring performance and availability, implementing security best practices, and coordinating backup and disaster recovery processes. The role involves leading and supporting IT operations, resolving complex technical issues, and ensuring that systems, applications, and services remain stable and secure. The IT Infrastructure & Systems Manager will collaborate with internal stakeholders, manage vendors and service providers, contribute to IT strategy and roadmaps, and document procedures, standards, and configuration changes. Qualifications · Strong foundation in Information Technology and IT Operations, including infrastructure design, capacity planning, and service management. · Hands-on experience with System Administration and Troubleshooting across Windows and/or Linux environments, virtualization, and cloud platforms. · Proficiency in Network Security, including firewalls, VPNs, endpoint protection, access control, and security monitoring. · Proven ability to manage IT projects, prioritize tasks, and deliver improvements on time and within scope. · Excellent communication and stakeholder management skills, with the ability to explain technical concepts to non-technical audiences. · Experience leading or mentoring IT team members or support staff is highly desirable. · Relevant certifications (eg, ITIL, Microsoft, Cisco, CompTIA, or cloud certifications) are an advantage. · Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber ​​security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). Networking Configure and support Cisco switches and routers. Administer FortiGate firewall environments. Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (eg, Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (eg, Paxton) Governance, Documentation & Process Improvement Develop, maintain, and enforce IT policies, standards, and operational procedures. Produce system architecture diagrams, technical documentation, SOP's, and performance reports. Identify and drive opportunities for automation and service improvement. Support technology planning, infrastructure modernization, and transformation initiatives. Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SaaS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Technical Competencies Data analysis and operational reporting Desktop and laptop support Infrastructure monitoring and performance management Certificate lifecycle management (SSL/TLS) Windows imaging and deployment, GPO, NTFS PowerShell scripting SQL Server administration Understanding of software development lifecycle (SDLC) and deployment processes Architecture review and systems optimization Asset management 7+ years of experience in enterprise IT infrastructure and systems administration. Experience within financial services, banking, trading, or treasury environments. Proven experience managing mission-critical infrastructure and applications. Experience operating within regulated and security-focused environments. Able to provide support to VIP stakeholders This is a hybrid role with 3 days at the office in Central London. Salary for this role will be in the range £60K - £65K. Do send your CV to us in Word format along with your salary and availability.

Missions principales 1. Architecture & Design (40%) Concevoir l’architecture globale de la plateforme d'ingestion de télémétrie basée sur OpenTelemetry (OTel Collector contrib/core) pour un déploiement multi-tenant et multi-cloud (AWS, GCP, Azure, On-Premise). Définir les stratégies de haute disponibilité, de tolérance aux pannes (buffering, retry policies) et de scalabilité horizontale des collecteurs (Gateway et Agents). Modéliser le cycle de vie de la donnée (filtrage, enrichissement, masquage des données sensibles/GDPR à la source, routage intelligent vers Splunk et Elastic). Garantir la sécurité de la plateforme (authentification mTLS, gestion des secrets, RBAC, isolation des tenants). 2. Développement & Engineering (40%) Développer et packager des configurations OTel complexes et, si nécessaire, coder des processeurs, récepteurs ou exportateurs personnalisés (Custom OTel Components) en Go (Golang). Automatiser le provisionnement des agents et des pipelines de collecte via des pratiques GitOps et de l'Infrastructure as Code (IaC) (Terraform, Helm charts, Kubernetes Operators). Créer l'interface de configuration "As-a-Service" (API-driven) permettant aux utilisateurs de provisionner et configurer leurs pipelines de collecte de manière autonome. Assurer l'interopréabilité et la traduction optimale des formats (OTLP vers Splunk HEC, OTLP vers Elastic ECS). 3. Évangélisation, Support & Amélioration Continue (20%) Documenter les standards de configuration et les meilleures pratiques pour les équipes de développement utilisatrices. Mettre en place le monitoring de la plateforme d’observabilité elle-même (auto-observabilité des collecteurs : rate d'ingestion, drop de messages, CPU/RAM). Assurer une veille technologique active sur l'écosystème OpenTelemetry (CNCF) et contribuer aux projets open-source si nécessaire.

Nous recherchons un Architecte Devops Habilitable Mission • Définir et modéliser l’architecture technique des solutions industrielles, en assurant l’alignement entre IT et OT. • Appliquer, faire évoluer et promouvoir les standards et référentiels du Groupe pour l’IT industriel. • Préconiser des solutions techniques innovantes, évolutives et adaptées aux besoins métiers et sécurité. • Analyser et valider les nouveaux projets ou évolutions par audits et études d’impacts (intégrité, performance, sécurité du SI). • Accompagner et conseiller les équipes métiers, SI et production dans le choix, la mise en œuvre et l’optimisation des solutions industrielles. Environnement technique de la prestation • Infrastructures industrielles hybrides (IT/OT) : virtualisation, réseaux industriels, cloud, stockage, sauvegarde. • Outils standards : Ansible, Splunk, Tufin, Algosec, Cisco IOS, HP, Palo Alto, Forcepoint, Stormshield, Python, etc. • Écosystème d’applications métiers industrielles (MES, SCADA…), équipements connectés, IoT industriel. • Collaboration transverse avec architectes, experts réseaux/sécurité, urbanistes SI, programme industrie 4.0. Prestation attendue • Cartographie, modélisation et documentation d’architectures industrielles IT/OT. • Analyse d’impacts, validation des dossiers d’architecture pour tout projet industriel ou DevOps, intégrant la sécurité, la continuité de service et la portabilité. • Contribution à la transformation digitale des environnements industriels, intégration du DevOps à l’IT industriel. • Accompagnement des équipes métiers et SI (ateliers, conseils, formation autour des bonnes pratiques et standards du Groupe). • Propositions formalisées d’évolution des architectures et des standards internes. • Animation et pilotage transverse de la démarche architecture auprès des équipes internes et partenaires industriels. 2.3 Expertises techniques attendues Afin de mener à bien cette mission, le niveau d’expertise nécessaire dans les domaines suivants : • Modélisation architectures IT OT (Ex : TOGAF, Archimate, standards industriels) • Réseau/sécurité industrielle, cloud et hybridation IT/OT, solutions d’automatisation et de déploiement (DevOps), virtualisation, stockage, sauvegarde, supervision • Outils: Ansible, Splunk, TUfin, Algosec, Cisco, HP, HPE, Palo Alto, Forcepoint, Stormshield, Python, Infoblox, Solution industrielles (MES, SCADA …). • Maitrise des normes de sécurités industrielles et référentiels (MSR, Urbasec, Politiques de sécurité et qualité interne, etc …) • Capacité à piloter l’intégration continue, le CI/CD, l’automatisation des déploiements sur environnements industriels • Pratique courante de l’Anglais

IT Infrastructure & Systems Manager We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization. This role requires a strong blend of technical expertise, leadership capability, operational excellence, and stakeholder management skills, within a complex enterprise environment that includes financial, trading, and treasury systems. Role Description The IT Infrastructure & Systems Manager is a full-time role based in London with a hybrid working arrangement, combining on-site presence with some work from home. This role is responsible for managing and maintaining the organization's core IT infrastructure, including servers, networks, storage, and cloud services. Day-to-day tasks include overseeing system administration, monitoring performance and availability, implementing security best practices, and coordinating backup and disaster recovery processes. The role involves leading and supporting IT operations, resolving complex technical issues, and ensuring that systems, applications, and services remain stable and secure. The IT Infrastructure & Systems Manager will collaborate with internal stakeholders, manage vendors and service providers, contribute to IT strategy and roadmaps, and document procedures, standards, and configuration changes. Qualifications · Strong foundation in Information Technology and IT Operations, including infrastructure design, capacity planning, and service management. · Hands-on experience with System Administration and Troubleshooting across Windows and/or Linux environments, virtualization, and cloud platforms. · Proficiency in Network Security, including firewalls, VPNs, endpoint protection, access control, and security monitoring. · Proven ability to manage IT projects, prioritize tasks, and deliver improvements on time and within scope. · Excellent communication and stakeholder management skills, with the ability to explain technical concepts to non-technical audiences. · Experience leading or mentoring IT team members or support staff is highly desirable. · Relevant certifications (eg, ITIL, Microsoft, Cisco, CompTIA, or cloud certifications) are an advantage. · Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber ​​security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). Networking Configure and support Cisco switches and routers. Administer FortiGate firewall environments. Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (eg, Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (eg, Paxton) Governance, Documentation & Process Improvement Develop, maintain, and enforce IT policies, standards, and operational procedures. Produce system architecture diagrams, technical documentation, SOP's, and performance reports. Identify and drive opportunities for automation and service improvement. Support technology planning, infrastructure modernization, and transformation initiatives. Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SaaS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Technical Competencies Data analysis and operational reporting Desktop and laptop support Infrastructure monitoring and performance management Certificate lifecycle management (SSL/TLS) Windows imaging and deployment, GPO, NTFS PowerShell scripting SQL Server administration Understanding of software development lifecycle (SDLC) and deployment processes Architecture review and systems optimization Asset management 7+ years of experience in enterprise IT infrastructure and systems administration. Experience within financial services, banking, trading, or treasury environments. Proven experience managing mission-critical infrastructure and applications. Experience operating within regulated and security-focused environments. Able to provide support to VIP stakeholders This is a hybrid role with 3 days at the office in Central London. Salary for this role will be in the range £60K - £65K. Do send your CV to us in Word format along with your salary and availability.

Contexte Dans le cadre de l’innovation autour du support IT, Michelin développe une plateforme interne basée sur l’IA (BibOps) pour automatiser l’analyse et la résolution des incidents. Le projet vise à mettre en place des agents IA autonomes (Agentic AI) capables d’investiguer des incidents en croisant plusieurs outils (Splunk, ServiceNow, Grafana…). 👉 Contexte clé : manque d’expertise interne sur l’IA avancée , nécessité d’un profil senior capable de structurer et industrialiser la solution. Positionnement Rôle : Développeur Senior Python orienté IA Position : référent technique sur les sujets IA / DevOps Collaboration avec : équipes IT / SRE équipes Data / Produit équipes Support Mission principale Concevoir, développer et industrialiser une plateforme d’agents IA avancés pour automatiser l’investigation des incidents IT. Missions principales 🧠 1. Développement IA Concevoir et implémenter des agents IA : Microsoft Agent Framework LangChain Mettre en place des architectures : multi-agents systèmes orchestrés Développer des solutions RAG (Retrieval Augmented Generation) Automatiser les workflows d’investigation IT ⚙️ 2. Backend & intégration Développer en Python Concevoir des APIs et services backend Connecter la plateforme IA aux outils internes : Splunk ServiceNow Grafana Mettre en place : tests unitaires tests d’intégration 🚀 3. DevOps & industrialisation Construire et maintenir des pipelines CI/CD (GitLab) Déployer sur Kubernetes (Docker, Helm) Mettre en place l’observabilité : Grafana Prometheus OpenTelemetry Garantir : qualité sécurité traçabilité 🔧 4. Run & exploitation Gérer les déploiements Kubernetes Assurer la sécurité : certificats gestion des credentials Participer aux : code reviews documentation technique Compétences requises ✅ Indispensables Python (3+ ans minimum) Expérience en : LLM / Agentic AI / orchestration IA Kubernetes + Docker CI/CD ( GitLab ) Observabilité : Grafana Prometheus Développement : APIs REST tests automatisés

Senior IT Infrastructure & Systems Lead Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Education Bachelor or Master’s degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be circa £70K - £75K. Do send your CV to us in Word format along with your salary and availability.

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)

Expert sécurité SOC / Réponse à incident — Consultant Freelance · Romainville (93) En un coup d'œil Secteur : Privé Durée : [6 mois] Démarrage : 1er juillet Localisation : Romainville (93) — présentiel 5j/semaine Niveau : 5 à 10 ans d'expérience SOC/IR ou sécurité informatique Le projet Un acteur privé fait appel à un expert SOC pour renforcer son dispositif de sécurité opérationnelle de bout en bout : investigations N3, pilotage de la réponse à incident, contrôle du MSSP, et maintien d'une capacité de monitoring autonome. Vous intervenez dans un environnement Splunk/Harfanglab, avec un rôle central sur l'architecture du SI SOC et la montée en maturité des équipes internes. Vos missions Analyse et investigation Traiter les escalades N3 et réaliser les investigations avancées Analyser les compromissions potentielles Conduire des activités de threat hunting Réponse à incident Piloter les actions techniques de remédiation Participer aux cellules de crise cyber Produire les rapports d'investigation et maintenir les procédures IR Contrôle du MSSP Valider les détections critiques et contrôler la pertinence des alertes Challenger les analyses MSSP Produire ou faire produire les KPI de pilotage Maintien des capacités internes Maintenir les playbooks SOC et les procédures de continuité Conserver une capacité de monitoring interne autonome Architecture et administration SI SOC Améliorer et documenter l'architecture du SI SOC Administrer les firewalls Stormshield Assurer l'administration et le MCO/MCS de Splunk La stack SIEM Splunk SOAR (Shuffle ou équivalent) EDR/XDR Harfanglab Protection mail Proofpoint Analyse malware Forensic niveau avancé Investigation Windows / Linux / Cloud Réseau et protocoles MITRE ATT&CK Threat hunting Firewalls Stormshield

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. 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)

Senior IT Infrastructure Officer Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management · Administer, maintain, and optimize Windows and Linux server environments. · Manage VMware virtualized infrastructure (vSphere 8 and above). · Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. · Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. · Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). · Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). · Manage patching processes using ManageEngine Patch Manager Plus. · Support Microsoft 365 services and related cloud technologies. · In depth understanding of Cyber ​​security · Monitor system performance, capacity, availability, and infrastructure health. · Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support · Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. · Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. · Manage OS deployment, imaging, image creation, maintenance, and software packaging. · Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. · Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. · Resolve technical incidents and service requests in line with agreed SLAs. 3. Enterprise Applications & Financial Systems Support · Support and administer business-critical applications, including: · Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP · Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). 4. Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management · Support vulnerability management using tools such as Tenable. · Manage security monitoring and log analysis tools (eg, Splunk). · Perform SSL/TLS certificate lifecycle management using OpenSSL. · Create and manage CSRs, certificate chains, and private keys. · Ensure adherence to cybersecurity policies, standards, and regulatory requirements. · Support physical access control systems (eg, Paxton) Operating Systems · Windows 11 · Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization · VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 · ManageEngine Patch Manager Plus SaaS solutions SQL Server Security · Symantec Endpoint Protection (SEP) · Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration · Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers · FortiGate Firewalls · LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers · Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be around £70K - £75K. Do send your CV to us in Word format along with your salary and availability.

Senior IT Infrastructure Officer Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (e.g., Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. 3. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (e.g., Syncovery, other SFTP). 4. Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (e.g., Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (e.g., Paxton) Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SAAS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/ XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (e.g., Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Education Bachelor or Master’s degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initally will be be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be circa £70K - £75K. Do send your CV to us in Word format along with your salary and availability.

Contexte de la mission Assurer l’expertise technique du SOC, conduire les investigations avancées et maintenir une capacité interne de réponse aux incidents. Objectifs et livrables Analyse et investigation o Traiter les escalades N3 o Réaliser les investigations avancées o Analyser les compromissions potentielles o Effectuer des activités de threat hunting Réponse à incident o Piloter les actions techniques de remédiation o Participer aux cellules de crise cyber o Produire les rapports d’investigation o Maintenir les procédures IR Contrôle du MSSP o Valider les détections critiques o Contrôler la pertinence des alertes o Challenger les analyses MSSP o Produire ou faire produire les KPI de pilotage Maintien des capacités internes o Maintenir les playbooks SOC o Conserver une capacité de monitoring autonome o Participer aux exercices de continuité SOC Architecture et administration du SI SOC o Améliorer l’architecture du SI SOC et la documenter o Manager les firewall Stormshield o Administration et MCO/MCS de Splunk* Compétences techniques : SIEM (Splunk) • EDR/XDR (Harfanglab) • SOAR (Shuffle ou autre) • Protection mail (Proofpoint) • Analyse malware • Investigation Windows/Linux/Cloud • Réseau et protocoles • MITRE ATT&CK • Threat hunting • Forensic de premier niveau Compétences comportementales : Analyse • Sang-froid • Rigueur • Réactivité • Transmission de connaissances Expérience souhaitée : 5 à 10 ans en SOC/IR ou sécurité informatique Profil Expertise consulting sécurité (Expert) Expérience incidents majeurs Expertise technique sécurité opérationnelle