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Systems & Network Engineer – Site IT Referent (Windows, Linux, Firewall, VMware)

Original title: Ingénieur Systèmes & Réseaux – Référent IT site (Windows, Linux, Firewall, VMware) – H/F

Confidential · 78000 VERSAILLES, France · On-site · Senior

  • 78000 VERSAILLES, France · On-site
  • 12 mois (renouvelables)
  • French

Indexed (2 weeks ago) · refreshed constantly

Start
2 November 2026
Duration
12 mois (renouvelables)
Work mode
On-site
Contract
Freelance / B2B
Seniority
Senior
Reference
261007K003

Required skills

Nice to have:Proxmox

Languages: French

Job description

A major automotive industrial group is seeking an experienced Systems & Network Engineer to become the IT referent for a site in Yvelines. This role involves daily operations, identifying improvements, and managing technical projects from start to finish.

Project overview

TITLE

Systems & Network Engineer – Site IT Referent (Windows, Linux, Firewall, VMware)

CONTEXT

For a major industrial group in the automotive sector, we are looking for a confirmed Systems & Network Engineer to become the IT referent for a site in Yvelines. Working directly with the site's IT manager, you will be responsible for daily operations, identifying areas for improvement, and managing technical projects from end to end: server migration, equipment renewal, network deployment, IT system redesign.

MISSIONS

Systems Administration

Network Administration

Support L2 and above

Documentation and Skill Transfer

TECHNICAL ENVIRONMENT

Windows, Linux, Firewall, VPN, VLAN, routing, proxy, switches, VMware, Proxmox, AWS, PowerShell, Python, Bash, Copilot

PROFILE

CONDITIONS

  • Administration of Windows and Linux environments
  • Installation, upgrade, and configuration of software and hardware
  • User account and permission management
  • Regular security testing and monitoring
  • Network and file system maintenance
  • Management of backup and disaster recovery plans
  • Automation and scripting (PowerShell, Python, Bash), use of Copilot
  • Configuration of firewalls, routers, and switches
  • Routing, VLAN, IP addressing, VPN
  • Traffic analysis, performance metrics, log management
  • Application, hardware, and network support
  • Sharing best practices with users
  • Creation and updating of application repositories and documentation
  • Writing presentation materials and procedures
  • Training employees in a "teach the teacher" format
  • Ensuring the proper application of processes
  • Master's degree in Computer Science (Bac+5)
  • Minimum 6 years in systems and network administration
  • Perfect mastery of Windows environments
  • Solid network experience (firewall, VPN, VLAN, routing, proxy)
  • Good knowledge of telecommunications, AWS, VMware, and Proxmox
  • Fluent English (oral and written)
  • Autonomous, rigorous, stress-resistant, proactive
  • 100% onsite (Yvelines), working hours 8:30 AM
  • 6:30 PM
  • Exceptional interventions outside working hours (5 to 10 times per year)
  • Occasional travel possible (2 to 3 times per year)

Project details

  • Start: 2026-11-02
  • Duration: 12 mois (renouvelables)
  • Location: 78000 VERSAILLES, FR
  • Languages: French

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