{"id":3464975,"url":"https://alion.io/job/groupe-ozitem-administrateur-systemes-microsoft-active-directory-hf","title":"Administrateur Systèmes Microsoft / Active Directory H/F","company":{"id":3908683,"name":"Groupe Ozitem","domain":"groupeozitem.com","url":"https://alion.io/company/groupeozitem","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Saint-Ouen-sur-Seine, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":45000,"max":55000,"currency":"EUR","period":"year","gross":null,"usd_annual":61308},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Azure","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"IAM","optional":false},{"name":"ITIL","optional":false},{"name":"ITSM","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"OneDrive","optional":false},{"name":"PowerShell","optional":false},{"name":"SharePoint","optional":false},{"name":"TCP/IP","optional":false},{"name":"VLAN","optional":false},{"name":"VMWare","optional":false},{"name":"VPN","optional":false},{"name":"Windows","optional":false},{"name":"Windows Server","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-10-29T13:22:53Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-10-30T22:20:22Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Rejoignez notre entreprise en tant qu'Administrateur Systèmes Microsoft / Active Directory. Vous serez responsable de l'administration, de la sécurisation et de l'évolution des infrastructures Microsoft de l'entreprise. Vous travaillerez principalement sur les technologies Active Directory, Windows Server, Entra ID, Microsoft 365, ainsi que sur les mécanismes d'authentification, de synchronisation d'identités et d'automatisation. Vous participerez également aux projets d'évolution des infrastructures, de rationalisation Active Directory et de transformation vers le cloud.\nMissions\nAssurer l'administration, la sécurisation et l'évolution des infrastructures Microsoft de l'entreprise, en particulier sur les technologies Active Directory, Windows Server, Entra ID, Microsoft 365.\nParticiper aux projets d'évolution des infrastructures, de rationalisation Active Directory et de transformation vers le cloud, en mettant en œuvre les bonnes pratiques de gestion des privilèges.\nAdministrer et maintenir la plateforme Microsoft 365, Entra ID, et gérer les synchronisations d'identités, en mettant en œuvre et en maintenant les politiques de sécurité liées aux identités.\nProfil recherché\n * Formation Bac +5 en informatique (systèmes, réseaux, cybersécurité) ou équivalent* Minimum 5 ans d'expérience sur un poste similaire\n* Expérience significative en administration d'environnements Microsoft complexes.\n* Expérience des environnements hybrides On-Premise / Cloud.\n* Expérience des grandes infrastructures et environnements critiques appréciée.\n* Expérience de projets de migration, modernisation ou move-to-cloud appréciée.\nCOMPÉTENCES TECHNIQUES REQUISES\nEnvironnement Microsoft\n* Windows Server - administration avancée\n* Active Directory - expertise\n* Tiering Active Directory (Tier 0 / Tier 1 / Tier 2)\n* PowerShell avancé - indispensable\n* GPO / PSO\n* DNS / DHCP / NTP\n* Microsoft 365\n* Entra ID\n* Gestion des identités hybrides\n* Exchange Online\n* SharePoint / OneDrive / Teams\n* MFA / Conditional Access / SSO\n* Principes Zero Trust\nIdentity & Sécurité\n* IAM / gestion des identités et des habilitations\n* Gestion des accès et des privilèges\n* Sécurisation des environnements Active Directory et Entra ID\n* Hardening\n* Patch management\n* Analyse des vulnérabilités et remédiation\n* Bonnes pratiques de cybersécurité\nSystèmes & Infrastructure\n* Bonne connaissance des environnements Windows\n* Maîtrise des concepts réseaux fondamentaux : TCP/IP, VLAN, DNS, DHCP, VPN\nGestion de parc\n* Solutions de gestion de parc informatique\n* Administration et suivi des équipements\n* Déploiement et mise à jour des postes et équipements\n* Suivi de conformité\n* Maintien en conditions opérationnelles du parc\nCOMPÉTENCES TECHNIQUES APPRÉCIÉES :\nSystèmes\n* Connaissances générales Linux\n* Connaissances des environnements virtualisés VMware\nCertifications appréciées\n* Microsoft Azure / Entra ID : AZ-104, MS-102, SC-300 ou équivalentes\n* Certifications Linux / Kubernetes\n* ITSM\n* ITIL\nQUALITÉS HUMAINES\n* Rigueur et sens du détail\n* Esprit d’analyse et de résolution de problèmes complexes\n* Autonomie et proactivité\n* Capacité à documenter et transmettre\n* Capacité à travailler en équipe\n* Bon relationnel, sens du service et communication claire\nCe poste est ouvert aux personnes disposant d’un droit au travail en France. Merci de préciser dans votre candidature si votre statut nécessite une autorisation de travail","description_format":"text","description_chars":3421,"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":[{"language":"French","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"France","iso":"FR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Help Desk & Service Desk","Managed IT Services (MSP)"],"lifecycle":[{"event":"open","at":"2026-10-29T15:08:45Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":13,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-30T05:48:23Z"},"pay":{"stated_usd_annual":61308,"is_top_pay":false},"html_url":"https://alion.io/job/groupe-ozitem-administrateur-systemes-microsoft-active-directory-hf","json_url":"https://alion.io/job/groupe-ozitem-administrateur-systemes-microsoft-active-directory-hf.json","meta":{"generated_at":"2026-10-30T23:49:26Z","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":15366,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":3908683},"rest":"https://alion.io/mcp/rest/get_company?id=3908683"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fgroupe-ozitem-administrateur-systemes-microsoft-active-directory-hf"},{"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%2Fgroupe-ozitem-administrateur-systemes-microsoft-active-directory-hf"},{"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%2Fgroupe-ozitem-administrateur-systemes-microsoft-active-directory-hf"},{"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/groupe-ozitem-administrateur-systemes-microsoft-active-directory-hf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgroupe-ozitem-administrateur-systemes-microsoft-active-directory-hf"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3464975}},{"tool":"search_jobs","arguments":{"company":"groupeozitem.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3464975},"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. 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