Senior Network & Systems Administrator

We are looking for a Senior Network & Systems Administrator to strengthen our IT Infrastructure team!

In this role, you will be a key player in maintaining and optimizing our enterprise network and server infrastructure.

What you will be doing:

•  Administer and troubleshoot complex network infrastructures (LAN, WAN, VPNs, wireless)

• Maintain structured cabling, telecom systems, remote access, and connectivity protocols

• Perform system-monitoring, backups, patches, upgrades — across Linux and Windows servers

• Diagnose and resolve hardware, software  and network connectivity issues

• Handle system capacity planning and performance tuning

• Collaborate with internal teams and external vendors on projects and escalations

• Track and manage requests via GLPI, ensuring SLA compliance

• Provide prompt and professional IT support to internal users

What we are looking for:

• Solid experience in networking

• Advanced knowledge of Linux systems (basic admin, scripting, troubleshooting)

• Strong with Windows environments, AD, server virtualization, PowerShell

• Experience with backup tools, network security and system monitoring

• English: B2- C1 level; French: minimum B1 level;

• Organized, analytical, autonomous and team-oriented

What do we offer:

• Initial training and periodic coaching specific to the job;

• Real opportunities for career development in an international business environment;

• Spaces created specifically for breaks and relaxation during work hours;

• A day off on your birthday!

• Wellbeing activities, contests, and sports competitions within various HR projects;

• Benefit - an online platform with a flexible budget for benefits, which increases based on seniority in the company (meal vouchers, medical insurance, gym membership, holiday vouchers, etc.).