{"id":3193034,"url":"https://alion.io/job/thales-group-administrateur-systemes-linux-hf","title":"Administrateur systèmes Linux H/F","company":{"id":143,"name":"Thales Group","domain":"thalesgroup.com","url":"https://alion.io/company/thales","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":218,"ghost_share":0.018,"stale_share":0.826,"repost_share":0.018,"time_to_fill_p50_days":48,"computed_at":"2026-10-25T05:49:26Z"}},"role":"DevOps","role_family":"DevOps","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Élancourt, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":40000,"max_usd":68000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":30},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"CentOS Stream","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Red Hat","optional":false},{"name":"Ubuntu","optional":false},{"name":"VMWare","optional":false},{"name":"Windows","optional":false},{"name":"Windows Server","optional":false}],"status":"live","first_seen_at":"2025-09-08T00:00:00Z","employer_posted_date":"2025-09-08","last_verified_at":"2026-10-24T17:33:25Z","board_verified":true,"closed_at":null,"days_open":413,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":413},"description":"Administrateur Systèmes & Sécurité (H/F)\nLieu: Élancourt (78) / Vélizy-Villacoublay (78), Gennevilliers (92)\nType de contrat: CDI\nVotre mission : Garantir la robustesse et la sécurité de nos infrastructures critiques\nAu sein de nos équipes systèmes et sécurité, vous serez en charge du maintien en condition opérationnelle, de l’évolution et de la sécurisation de nos environnements. En fonction des projets, vous pourrez intervenir en transverse sur plusieurs sites (Élancourt, Vélizy, Gennevilliers) et jouerez un rôle central dans la fiabilité et la résilience de nos architectures.\nVos responsabilités :\nAdministration systèmes: Assurer l’exploitation et le maintien en condition opérationnelle des environnements Linux (et idéalement Windows).\nSécurité & conformité: Mettre en place et suivre les politiques de sécurité en lien avec les standards internes et réglementaires.\nDocumentation & architecture: Documenter et proposer des évolutions sur les architectures techniques, accompagner leur mise en œuvre.\nPolyvalence & mobilité: Intervenir en support et validation sur plusieurs sites selon les besoins opérationnels.\nCollaboration: Travailler en étroite coordination avec les équipes locales et transverses pour garantir la continuité de service.\nVotre profil :\n Formation: Bac+5 en informatique, systèmes ou cybersécurité (ou équivalent).\nExpérience: Minimum 3 ans en administration de systèmes et sécurité.\n Compétences techniques:\nMaîtrise Linux (RedHat, CentOS, Ubuntu).\nExpérience en documentation et évolution d’architectures.\nConnaissances Windows Server (atout).\nBonne compréhension des enjeux de sécurité des SI.\nBonus SysOps: Une expérience enautomatisation, déploiement continu ou gestion d’infrastructures cloud sera un vrai plus.\nSoft skills: Rigueur, autonomie, esprit d’analyse et forte capacité à travailler en équipe.\nPourquoi rejoindre Thales ?\nInnovation: Contribuez à des projets technologiques stratégiques et à forte valeur ajoutée.\nÉvolution: Développez vos compétences via un large catalogue de formations et des communautés techniques internes.\nÉquilibre: Profitez d’un environnement inclusif et soucieux de l’équilibre vie pro/vie perso.\n Impact: Travaillez sur des infrastructures critiques qui soutiennent des enjeux de souveraineté et de sécurité.\nNiveau d’expérience\nCadre\n\nSecteur\nFabrication pour l’aérospatiale et la défense\n\nType de contrat\nContrat\n\nFonctions\nService clients\n\nCompétences\nAnsible\nLinux\nRed Hat Linux\nVirtualisation\nPare-feux\nVMware\nKubernetes\nAdministration système Linux\nAdministration\n\nThales, entreprise Handi-Engagée, reconnait tous les talents. La diversité est notre meilleur atout. 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