Find your next tech and IT Job or contract Public Key Infrastructure (PKI)

Nous recherchons pour notre client un Team lead Middleware & Sécurité , il interviendra en tant que référent sur les domaines qui lui seront confiés. - Plateforme PKI, IAG, FIM, EDR - Les différents SAS - Gestion de la plateforme BASTION, - MIDDLEWARE (Connect express, AXWAY API, XFB, MFT, IBM WAS, MQ …. - Autres services en cours de design La principale mission est de coordonner la maintenance en condition opérationnelle des services applicatifs sur la base des meilleures pratiques ITIL et participer aux nouveaux projets. Ø Organiser l'activité de l’équipe (un ou plusieurs ingénieurs et/ou techniciens) dans le cadre d’un projet et/ou dans l’activité récurrente Ø S’assurer du traitement des incidents en respect des SLA / Niveau de criticité Ø Effectuer le suivi et l’intégration selon les règles de sécurité, et les impératifs de production (quantité, délai, qualité, coût, ...). Ø Assurer le maintien en condition des plateformes Ø Être le garant technique des livrables, de leurs mises en production et de leurs exploitabilités Ø Faire le suivi des fournisseurs dont l’équipe à la charge (Axway...)

cription de la prestation et du contexte opérationnel : Le département Identity and Access, rattaché à la division Network & Cyber Security, a pour mission d’assurer la conception, le déploiement, l’exploitation et l’évolution des services d’annuaire et de gestion des identités au sein du Groupe. Ces services constituent un pilier essentiel de la cybersécurité, garantissant la disponibilité, la confidentialité et l’intégrité des accès aux systèmes d’information. Dans un contexte marqué par une transformation digitale d’envergure, l’adoption d’environnements hybrides (on-premises / cloud) et le renforcement des exigences de conformité, l’équipe Active Directory joue un rôle stratégique. Elle est en charge de maintenir un haut niveau de sécurité et de résilience sur les infrastructures critiques, tout en accompagnant les projets de modernisation liés à l’identité. La recherche d’un expert en Active Directory, PIAM et PKI vise à renforcer l’équipe sur des compétences clés, afin de soutenir les activités opérationnelles, sécuriser les accès privilégiés et accompagner les évolutions technologiques du Groupe. Contexte 1. Job Summary: The Identity and Access department of the Network & Cyber Security division is recruiting an expert in infrastructure and security – Microsoft Active Directory, PIAM, and PKI – to strengthen the Active Directory team. We are seeking a highly skilled Infrastructure & Security Expert with in-depth expertise in Microsoft Active Directory (AD), including Public Key Infrastructure (PKI) systems and Privileged Identity & Access Management (PIAM) related to AD. The ideal candidate will be responsible for the design, implementation, operation, and continuous improvement of secure, scalable, and resilient directory services across a complex and hybrid infrastructure. 2. Key responsibilities: Active Directory Infrastructure: • Design, deploy, and manage enterprise-scale Active Directory environments (multi-domain/forest). • Monitor and troubleshoot Active Directory replication between domain controllers; ensure replication health and timely convergence. • Perform AD and agents health checks and domain controller performance analysis. • Ensure consistency and integrity of directory data across sites and global locations. • Manage FSMO roles, SYSVOL replication (DFSR), and metadata cleanup when needed. Incident Management & Technical Escalation: • Act as the Level 3 escalation point for Active Directory, identity, and infrastructure-related incidents. • Lead root cause analysis (RCA) for complex or recurring issues. • Collaborate with GSOC and IT Operations during security incidents involving AD or privileged access. • Ensure timely resolution of escalated tickets and support requests within SLA. Knowledge Transfer & Documentation: • Create and maintain KB articles, and technical documentation for internal use and L2 support teams. • Provide technical training sessions to L1/L2 support teams. • Participate in technical design reviews and architecture boards as subject matter expert. Security & Compliance: • Enforce Active Directory hardening measures and secure delegation models. • Implement access control principles (RBAC, least privilege, Just-In-Time access). • Monitor audit logs, detect anomalous behavior, and support compliance with standards. Public Key Infrastructure (PKI): • Deploy, operate, and maintain Microsoft PKI (Active Directory Certificate Services). • Manage certificate template • Integrate PKI with smartcards, TLS/SSL encryption, and code signing processes. 3. Required qualifications: • Education & Experience o Bachelor’s degree (or equivalent) in Computer Science, Cybersecurity, Information Systems, or related field. o Minimum of 5–7 years of experience in infrastructure and/or security engineering with a strong focus on Active Directory and identity-related services. • Technical Expertise – On-Premises AD o Deep knowledge of Windows Server (2016/2019/2022) and core Active Directory components: DNS, DHCP, ADFS, GPOs, Sites & Services. o Proven experience in multi-site, multi-domain environments, including domain controller deployment, FSMO roles management, and replication troubleshooting (SYSVOL/DFSR). o Expertise with AD-integrated DNS, name resolution, conditional forwarders, and troubleshooting complex namespace issues. o Advanced PowerShell scripting for automation, auditing, and reporting (e.g., health checks, access reviews, remediation tasks). o Strong troubleshooting skills for authentication (Kerberos/NTLM), replication, and access-related incidents. • Cloud & Hybrid Identity o Hands-on experience with Microsoft Entra ID (Azure AD): PIM, RBAC, Conditional Access, Service Principals, Graph API. o Deep knowledge of Entra ID Connect (AD Connect): custom sync rules, multi-forest connectors, filtering, hybrid identity troubleshooting. o Experience with Azure Automation and runbooks for identity workflows and task automation. o Familiarity with AWS Identity and Access Management concepts and hybrid integration; experience with AWS EC2, SSM, Secrets Manager, CloudWatch. • Security & Compliance o Good understanding of PKI concepts and Microsoft ADCS: certificate templates, CRLs, smartcard/TLS integration. o Knowledge of Privileged Identity & Access Management (PIAM): RBAC, least privilege, JIT/JEA delegation models. o Understanding of directory hardening, audit & compliance frameworks (NIST, CIS Benchmarks) and integration with SIEM. 4. Preferred qualifications: • AWS Certifications (e.g., Associate level or equivalent). • Microsoft Certifications (e.g., MS-100, AZ-500, SC-300, or equivalent). • Experience with hybrid identity models (Entra Connect, SSO/Federation). • Hands-on experience with monitoring and SIEM tools for directory security (e.g., Splunk, Sentinel). • Familiarity with Active Directory security auditing and assessment tools, including: o PingCastle: Ability to run and interpret health and risk assessments, generate compliance reports, and define remediation plans. o Oradad (or equivalent tools): Experience using it to detect misconfigurations, privilege escalation paths, and attack surfaces within AD. 5. Soft skills: • Excellent verbal and written communication skills in English (mandatory). French would be a plus. • Strong technical writing abilities for knowledge bases and documentation. • Proactive mindset with strong ownership and problem-solving skills. • Ability to work effectively across teams and departments in a complex environment.

SOC Manager 6 Month contract initially Based: Hybrid/Leamington & Gaydon - Hybrid as per business need Rate: £Market rates p/d (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a SOC Manager to join the team. As SOC Manager you will: * Oversee SOC activities by reviewing your team's performance metrics, incident reports and other key indicators * Lead incident response efforts when a security incident occurs, the SOC team has to respond as quickly as possible * Lead these efforts by establishing clear incident response procedures and protocols and conveying them to the team * Analyse incident reports to understand your organization's security posture by reviewing incident reports, SOC managers identify patterns and trends that may indicate weaknesses or vulnerabilities in their security defences * Serve as the point of contact (POC) for security incidents within the company. You are the primary liaison between the SOC team, other internal stakeholders, and external parties such as vendors, clients or regulatory bodies. * Be responsible for conducting information security investigations as a result of security incidents. These are previously identified by the Level 2 security analyst who are monitoring the security consoles from various SOC entry channels (SIEM, Tickets, Email and Phone) End to end security incident management. You will play a key role in providing the highest level of technical expertise and handling the most complex security incidents. Key Responsibilities: * Manage service and process improvements of SOC, auditing SOC incidents, identifying new use cases and automations * POC for SOC engineering team, threat intelligence analyst and Threat exposure management * Act as a point of escalation for Level-2 SOC security analysts in support of information security investigations to provide guidance and oversight on incident resolution and containment techniques * Act as the lead coordinator to individual information security incidents * Mentor security analysts regarding risk management, information security controls, incident analysis, incident response, SIEM monitoring, and other operational tasks (tools, techniques, Procedures) in support of technologies managed by the Security Operations Centre. * Document incidents from initial detection through final resolution * Ensure threat management, threat modelling, identify threat vectors and develop use cases for security monitoring * Create reports, dashboards, metrics for SOC operations and presentation to Sr. Mgmt. * Act as focal point for any investigations involving security; to prepare reports and note follow up action * Participate in the role of Incident Manager during any incidents and emergencies * Ensure that all business recovery/contingency plans and/or procedures held within the security control rooms are always kept up to date * Coordinate with IT teams on escalations, tracking, performance issues, and outages Key skills & experience: * Strong knowledge in Authentication, End Point Security, Internet Policy Enforcement, Firewalls, Web Content Filtering, Database Activity Monitoring (DAM), Public Key Infrastructure (PKI), Data Loss Prevention (DLP), Identity and Access Management (IAM) and SOC advancements such as EDR and SOAR * Good knowledge of SIEM technologies, like Google Chronicle, Splunk ES or QRadar * In-depth familiarity with security policies based on industry standards and best practices * Experienced within the information security field, with emphasis on security operations, incident management, intrusion analysis, security device installations, configuration, and troubleshooting (e. g., firewall, IDS, etc.) * Experience in Log source integration and in Developing new correlation rules & Parser writing * Experienced in SOC automation development, cloud operations (e. g. AWS), Designing, building security operations centers and Regulatory Compliance * Ability to lead and communicate efficiently within a team environment along with Incident management process development and/or incident management experience * Solid understanding of information technology and information security required * Excellent communication and presentation skills with demonstrated skill in presenting analytical data effectively to varied audiences (including executives) * Ability to work well under pressure with differing levels of Management This is an excellent opportunity on a great project of work, If you are looking for your next exciting opportunity, apply now for your CV to reach me directly, we will respond as soon as possible. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.