> Markdown version of [/jobs/ext/4090250-senior-network-security-engineer-id-4106](https://www.wearedevelopers.com/jobs/ext/4090250-senior-network-security-engineer-id-4106). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Security Engineer (ID :4106) - **Company:** STAFIDE - **Location:** Amsterdam, Netherlands - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Firewall, Configuration Management Databases, Configuration Management, Cyber Security, Internet Protocol Security (IP SEC), Internet Security, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Multi-protocol Systems, Network Security, Network Segmentation, Zero Trust Network Access, Web Application Security, Security Information and Event Management, Software Vulnerability Management, Wide Area Networks, Firewalls (Computer Science), Fortinet, Security Orchestration, Automation & Response, SSL VPN - **Published:** October 20, 2026 - **Apply:** https://www.adzuna.nl/details/5934143702 ## About the Role * 6-8 years of experience in network security, firewall administration, or WAN security engineering. * Strong hands-on expertise in Fortinet firewalls and enterprise perimeter security. * Experience with MPLS, DIA, SD-WAN, cloud connectivity, VPNs, and firewall migrations. * Strong knowledge of Zero Trust, network segmentation, security policies, and threat prevention. * Understanding of SIEM, ITSM, CMDB, security automation, and Network-as-Code practices. * Excellent troubleshooting, incident management, communication, and root cause analysis skills. You should possess the ability to * Design secure WAN and perimeter architectures aligned with enterprise requirements. * Lead firewall implementations, migrations, security reviews, and incident resolution. * Automate security operations and collaborate with network, cloud, and cybersecurity teams. ## Description * Design and manage secure WAN architectures covering MPLS, DIA, SD-WAN, cloud connectivity, and third-party connections. * Manage Fortinet firewalls, including policy configuration, optimization, migration, and lifecycle management. * Implement Zero Trust security, network segmentation, perimeter protection, and secure remote access using IPsec/SSL VPN. * Manage internet security solutions, including URL filtering, SSL/TLS inspection, malware protection, and Secure Web Gateway (SWG). * Conduct firewall policy reviews, security assessments, vulnerability remediation, and incident root cause analysis. * Automate firewall operations and integrate security platforms with SIEM, ITSM, and CMDB tools.