Senior Network Engineer

Project Information:

Work model: remote

Onboarding: onside (France)

Salary range: up to 260€/day on B2B

We’re looking for a Network & Security Engineer ready to operate at the core of a distributed, multisite infrastructure with high expectations around availability, resilience, and cybersecurity.

You will play a key role in evolving network architectures, securing interconnections, managing firewalls, and deploying technical solutions across all our locations.

Main Responsibilities

• Participate in the deployment and go-live of new network & security solutions (SASE).

• Implement new sites, migrate legacy architectures, modernize LAN/WAN, deploy Zero Trust segmentation.

• Contribute to major projects: SD-WAN, micro-segmentation, secure Wi-Fi enhancement, etc.

• Produce high-quality documentation: project docs, procedures, operational guides, failover plans.

• Handle Level 2/3 support for complex network and security incidents.

• Ensure operational continuity for infrastructures (switching, routing, Wi-Fi, VPN, security).

• Maintain configuration consistency across all sites.

Key Requirements

• Strong expertise in network security and firewall administration.

• Solid command of routing & switching: VLAN, STP, OSPF/BGP (preferred).

• Deep understanding of multisite architectures and WAN interconnections.

• Proven experience deploying end-to-end network & security solutions.

• Mastery of monitoring tools, flow analysis, and advanced troubleshooting.

• Minimum 7 years in a Network/Security engineering role.

• Hands-on experience delivering technical projects, ideally in multi-site environments.