Main mission

Ensure the design, implementation, maintenance, and security of network infrastructures to guarantee the availability, performance, and security of information systems. The role includes:

• Administration and operation of LAN/WAN networks
• Advanced technical support and incident resolution
• Participation in infrastructure evolution and optimization projects
• Contribution to security and quality of service
• Management of datacenter infrastructure

Key responsibilities

• Project / task management.
• Monitoring maintenance and ensuring service continuity.
• Install, configure, and maintain network equipment (switches, routers, firewalls, load balancers).
• Manage routing, switching, and network protocols (TCP/IP, LAN, WAN).
• Ensure quality of service (QoS) and service availability.
• Implement network security policies (access control, segmentation, monitoring).
• Diagnose and resolve complex incidents (level 2/3).
• Participate in network architecture design and evolution projects.
• Document configurations and procedures.
• Collaborate with systems, security, and application teams.

Required skills

• In-depth knowledge of network protocols (TCP/IP, LAN, WAN).
• Mastery of routing and switching technologies.
• Good understanding of network security solutions (firewalls, VPN, authentication).
• Knowledge of monitoring and diagnostic tools.
• Ability to work in both project and operational modes.
• Communication skills and teamwork.

Hybrid work: 4 days on site (1 day remote work)

Additional information:

The mission may be extended for a maximum period (initial duration included) of: 880 working days.