Expert Sécurité et Réseaux

Summary: The position of Expert Network & Security aims to ensure the availability, resilience, and cybersecurity of a distributed, multi-site infrastructure. The professional will contribute to the evolution of network architectures and to the security of systems.Main Responsibilities:Advanced administration of firewalls (Fortinet, Palo Alto, Cisco ASA or equivalent) in on-premise and cloud environments.Management of security rules and hardening of network systems.Detection and remediation of network security incidents.Participation in the deployment and production of new network & security solutions (SASE).Production of quality documentation: project files, procedures, and disaster recovery plans (PRA/PCA).Advanced level 2/3 support for complex network and security incidents.Key Requirements:Confirmed expertise in network security and firewall administration.Mastery of routing & switching protocols: VLAN, STP, OSPF/BGP.Proven experience in deploying network & security solutions.Minimum 7 years of experience in Network/Security engineering.Nice to Have:Skills in monitoring and flow analysis tools.Ability to undertake technical projects in multi-site environments.Excellent communication skills and team spirit.