Network and Security Consultant (h/f)

Summary: The Network & Security Consultant will operate within a distributed infrastructure, focusing on enhancing availability, resilience, and cybersecurity. This role is pivotal in evolving network architectures, securing interconnections, and deploying technical solutions across multiple locations.

Main Responsibilities:

• Advanced administration of firewalls (Fortinet, Palo Alto, Cisco ASA, or equivalent) in on-premises and cloud environments.

• Rule management, hardening, network segmentation, application filtering, SSL inspection.

• Detection, analysis, and remediation of network security incidents.

• 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.

Other Details:

• Location: Remote work possible.

• Travel: One trip per month (2 days) to Clermont-Ferrand expected.