{"id":2821610,"url":"https://alion.io/job/virtualbrains-ingenieure-securite-linux-confirme","title":"Ingénieur(e) Sécurité Linux confirmé","company":{"id":3908556,"name":"virtualbrains","domain":"virtualbrains.co","url":"https://alion.io/company/virtualbrains","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Guyancourt, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":40000,"max":57000,"currency":"EUR","period":"year","gross":null,"usd_annual":64081},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"IAM","optional":false},{"name":"Linux","optional":false}],"status":"live","first_seen_at":"2026-10-18T16:10:01Z","employer_posted_date":null,"last_verified_at":"2026-10-18T16:10:01Z","board_verified":false,"closed_at":null,"days_open":14,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":14},"description":"Une habilitation Secret Défense, ou la possibilité d’être habilité, est requise pour ce poste. (NT FR obligatoire)\n3/5 ans d’expérience sur OS LINUX en ingénierie et durcissement OS\nMission exclusivement en présentiel dans les Yvelynes côté GUYANCOURT - pas de TT\nNationalité Française et habilitable Secret OTAN\nIngénieur(e) Sécurité Linux confirmé\n1 Objectif de la mission\nEvoluant dans un environnement de sécurité très exigeant, complétement intégré(e) au sein de notre équipe opérationnelle et rattaché(e) à notre responsable IT,\nLes missions seront les suivantes :\nHardening & Sécurité Système (OS)\n• Appliquer et maintenir les lignes directrices de sécurisation (Hardening CIS / recommandations\nANSSI) sur des environnements Linux\n• Configurer et administrer les contrôles d'accès obligatoires\n• Assurer la gestion du cycle de vie des correctifs du noyau (patch management/live patching)\nIAM, Authentification & Traçabilité\n• Gérer l'authentification centralisée et l'élévation de privilèges\n• Administrer les politiques d'accès réseau local et le chiffrement des données\nDétection, Audit & Réponse aux Incidents\n• Réaliser des audits de vulnérabilités réguliers et participer à l'analyse/remédiation des CVE.\n• Participer à la gestion des incidents de sécurité (analyse de logs, investigation DFIR sur les environnements Linux).\nAutomation\n• Industrialiser le déploiement des configurations de sécurité via Ia C.\nModalités d’intervention\n• Intervention en assistance technique\n• Le consultant agit sous la responsabilité et la validation du client\n• Collaboration étroite avec les équipes IT\n• Respect des procédures internes et des règles de conformité du client\n\nProfil recherché\nBAC+5 Master en Ingénierie Sécurité Linux confirmé (3 à 5+ ans d'expérience)\n• Connaissance de l’IGI1300\n• Contraintes de sécurité, industrie de Défense\n• Autonome et proactif\n• Bonne capacité de travail et d’implication sont indispensables à la réalisation des missions\n• Bon relationnel et bonne capacité d’adaptation","description_format":"text","description_chars":2009,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Information Technology"],"lifecycle":[{"event":"open","at":"2026-10-18T17:56:00Z"}],"visa":[],"liveness":{"score":65,"band":"ok","label":"Likely open","p_open":0.85,"p_active":0.845,"p_room":0.9,"age_days":14,"expected_fill_days":28,"reasons":["seen:14","win:mid"],"computed_at":"2026-11-02T06:13:15Z"},"pay":{"stated_usd_annual":64081,"is_top_pay":false},"html_url":"https://alion.io/job/virtualbrains-ingenieure-securite-linux-confirme","json_url":"https://alion.io/job/virtualbrains-ingenieure-securite-linux-confirme.json","meta":{"generated_at":"2026-11-02T09:21:10Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":13085,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3908556},"rest":"https://alion.io/mcp/rest/get_company?id=3908556"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvirtualbrains-ingenieure-securite-linux-confirme"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fvirtualbrains-ingenieure-securite-linux-confirme"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fvirtualbrains-ingenieure-securite-linux-confirme"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/virtualbrains-ingenieure-securite-linux-confirme\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvirtualbrains-ingenieure-securite-linux-confirme"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2821610}},{"tool":"search_jobs","arguments":{"company":"virtualbrains.co","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2821610},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}