Responsable Sécurité Exploitation (F/H)

Lead security management for information systems at Brest, ensuring Maintien en Conditions de Sécurité (MCS) from initial homologation to decommissioning. Assess security objectives before deployment, support the Security Project lead, monitor and control security in service, maintain PACS improvements and configuration docs, and report on perimeters to stakeholders. Join a multi‑domain Thales team focusing on maritime, EW, sonar and digital services.