Senior Windows Systems Engineer – Infrastructure / Active Directory / Technical Management

Project details

Saclay / Châteaufort / Magny-les-Hameaux (91)

Start Date: 01/01/2027

12 months – until 12/31/2027

Environment: Windows Server, Active Directory, PowerShell, VMware, Linux Red Hat, AWS

Level: Experienced to senior

MISSION CONTEXT

As part of its infrastructure modernization projects, obsolescence management, and information system security reinforcement, our client is looking for a Senior Windows Systems Engineer to support its teams in technical operations related to server infrastructures.

The consultant will work on complex systems and network environments. They will be responsible for contributing to operational maintenance, infrastructure renewal, and the implementation of remediations related to the cybersecurity plan.

MAIN MISSIONS

TECHNICAL SKILLS REQUIRED

Systems and Infrastructures:

Networks:

Management and Operations:

EXPECTED DELIVERABLES

PROFILE REQUIRED

We are looking for an experienced or senior systems engineer with significant experience in Windows Server infrastructure administration and operation.

The candidate must demonstrate:

LANGUAGES

MISSION CONSTRAINTS

Profile sought

• Organize and coordinate technical deployments related to ongoing projects.
• Install and commission new servers at various sites.
• Manage and carry out system infrastructure renewal operations.
• Identify and address server and operating system obsolescence.
• Administer and manage Active Directory environments.
• Provide L2 and L3 technical support.
• Implement security remediations as part of the cyber plan.
• Manage and perform critical server updates.
• Analyze and resolve malfunctions related to KPI indicators.
• Participate in the monitoring and coordination of technical workstreams.
• Develop workload plans and provide regular activity reporting.
• Windows Server expertise.
• Advanced Active Directory administration and management.
• Knowledge of Red Hat Linux.
• Proficiency in PowerShell and administration scripts.
• Experience with virtualized environments.
• Knowledge of AWS Cloud environments.
• Knowledge of LAN / WAN / Datacenter architectures.
• Switching and routing.
• TCP/IP protocols and quality of service.
• Cisco and HP equipment and environments.
• Experience in technical management within a Windows systems and infrastructure environment.
• Proficiency in ITIL processes.
• Knowledge of an ITSM tool, ideally ServiceNow.
• Ability to manage infrastructure installation and renewal projects.
• Ability to establish and track a workload plan.
• Scoping notes and pre-project files if necessary.
• Minutes and presentation materials for kick-off, technical, and steering committee meetings.
• Technical documentation: DAT, procedures, operating methods, and reports.
• Project closure reports.
• Detailed weekly activity reporting.
• Diagnostic and analysis reports in case of complex incidents or technical audits.
• Solid Active Directory and Windows Server expertise.
• Concrete experience in infrastructure renewal and modernization.
• Good command of maintenance in operational condition (MCO) and L2/L3 support operations.
• Ability to manage technical operations and coordinate various stakeholders.
• Strong awareness of cybersecurity challenges and infrastructure hardening.
• Autonomy, rigor, and good interpersonal skills.
• Fluent French, essential for service monitoring.
• English read, spoken, and written for technical exchanges.
• Primarily based at the Saclay, Châteaufort, and Magny-les-Hameaux sites.
• Occasional travel to other sites may be possible.
• Electrical qualification required to access the
• Start: ASAP
• Duration: 1 an renouvelable
• Location: Saclay, Île-de-France, FR
• Languages: French, English