Sec Gen : Administrateur / trice système Microsoft H/F

Job TitleBITS Office is recruiting a Microsoft System Administrator with very good knowledge of Windows Server 2016/2019 system infrastructures, Active Directory, technical bricks, mechanisms, and protocols used in this field. The person will manage the infrastructures, resolve level 2 and 3 incidents, fulfill change requests, and ensure the security condition of the platform. The person will develop GPO/rules allowing the securing of the information system in relation with other sectors (workstations, security policy), deploy and manage monitoring tools of the infrastructures, and may be required to develop PowerShell scripts. The person will ensure the realization of annual failover tests on the backup infrastructure as part of the IT continuity or restoration plan. The person will also ensure the implementation of administration documentation, the update of IT continuity plans documents of the infrastructures. The person will also prepare the technical documents necessary for the validation of changes during CABs. The Microsoft System Administrator is associated with projects to provide technical expertise and ensure the good integration of solutions. The person will take charge of the review of technical specifications for parts related to their domain, propose target architectures, perform the configuration, organize test plans and recipes, and write the associated technical documentation. Required Profile Category B agent, or external candidate with a Bac+3 or equivalent in the field of computer science, you have necessarily worked in a production context, have successful experience in Microsoft infrastructures (Active Directory, Windows Server, Windows SQL Server, Cluster, Virtualization...) and possess real knowledge of ITIL best practices. Significant experiences in administration of Microsoft infrastructures have ideally been acquired during your previous experiences. Minimum Education Level Required Level Level 4 Bachelor's Degree Application Elements Contact Persons Only applications submitted via the dedicated PASSERELLES tool will be studied by the recruiters Special Exercise Conditions Interventions in HNO in the context of planned changes, tests included in the IT Continuity Plan or maintenance operations. Regular on-call duties to ensure the proper functioning and security of the infrastructures. Rare trips to sites or Datacenters located in IDF.Legal BasisArt L332-2, 2Job StatusVacant as of 01/01/2026 Reference Occupation Administrator of tools, systems, networks, and/or telecoms