Expert Windows Infrastructure & Systems (M/F)

Project overview

As part of obsolescence management, Operational Maintenance (MCO) of infrastructures, and the application of the cybersecurity plan, our client (a major industrial player) is looking for an Expert in Windows Systems Infrastructure Technical Operations.

The mission consists of strengthening the existing team, actively participating in evolution and renewal projects, and providing technical support in the absence of the assigned engineer.

Main Missions & Activities

Under the direction of the Operations Department, your responsibilities will include:

Expected Deliverables

Profile Sought

Work Environment

The TOHTEM group is the convergence of mechanical and IT engineering and design professions. For 20 years, the group has placed innovation at the heart of its strategy.

Recognized player in the innovative product engineering market, TOHTEM also deploys an innovative approach to its management model. Whether involved in projects within our design office or with our clients as consultants, our employees are an integral part of our company project.

As part of a growth and diversification dynamic, TOHTEM recruits men and women ready to take on new challenges in respect of our values.

Join a company where it's good to work, labeled for 3 consecutive years Happy at Work, and which practices employee share ownership.

Joining Tohtem is much more than that...

You will find with us:

Want to join the Tohtem tribe? Don't hesitate to send your application!

• Administration and management of servers & Active Directory (AD): Daily administration, Active Directory management (Safran SA scope – approx. 100 servers: 80% Windows, 20% Linux Red Hat).
• Project and deployment management:
• Organization and management of deployments resulting from ongoing projects.
• Installation of new servers at various sites.
• Management and execution of system infrastructure renewal.
• Obsolescence management: Management of physical/virtual server and server OS obsolescence.
• Security & MCO: Remediation actions resulting from the cyber plan, critical server update management.
• Support & Quality: Level N2/N3 technical support, resolution of complex incidents, and management of issues related to KPI reporting (via an ITSM tool, preferably ServiceNow).
• Activity management: Establishment of workload plans, participation in steering committees (Kick-off, Technical Committee, Steering Committee) and production of weekly activity reports.
• Scoping notes, pre-project files (if needed), and technical documentation (DAT, operating procedures, etc.).
• Meeting minutes (Kick-off, Technical Committee, Steering Committee, project closure).
• Annotated weekly activity reports.
• Specific ad-hoc reports (complex diagnostics, technical audits).
• Experience: Minimum of 10 years of significant experience in infrastructure and systems administration.
• Technical Skills (Core):
• Demonstrated and solid expertise in Active Directory.
• Proven technical management skills in a Windows Server systems/infra environment.
• Solid virtualization skills.
• Mastery of the technical ecosystem: Windows Server, Linux Red Hat, PowerShell, and basic ITIL concepts (ITSM management).
• Note: In-depth network skills are not required for this position.
• Soft Skills: Ability to support project management, rigor, autonomy, and excellent communication skills.
• Languages:
• Fluent French (essential for service monitoring and daily communication).
• English (written, spoken, read) for interactions with subsidiaries and technical documentation management.
• Certifications & Security:
• Possession of an electrical certification (necessary for access to technical areas).
• Possibility of holding a CPR (Professional Resident Card / sector security requirements).
• Mandatory Certification: FR
• Location: Primarily on-site (Saclay / Châteaufort / Magny-les-Hameaux area
• 78), with occasional travel required (Paris, Malakoff, Itteville, Gennevilliers, and Bordeaux).
• Remote Work: To be defined according to current policies.
• On-call duty: No
• A company with convivial moments among colleagues (after-work, agency evenings...)
• Proximity management through personalized support (training, certifications...)
• Benefits, restaurant ticket cards, implementation of bicycle mileage allowances, preferential rates (leisure, outings, gift vouchers...), or even the possibility of obtaining holiday vouchers...
• The presence of a remote work agreement,
• Environmental values, with the implementation of a CSR policy...

Project details

• Start: 03/01/2027
• Duration: 1 an renouvelable
• Remote: hybrid
• Location: Yvelines, France, FR
• Rate: 69-81 EUR/h
• Languages: French, English