June 16, 2026

Network and Security Consultant (h/f)

Senior • Remote

Paris, France

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.

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