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# Firewall and VPN Security Engineer (Palo Alto, Third Line) for NATO with security clearance

- **Company:** WLG
- **Location:** Bergen, Belgium
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Firewall, Virtual Private Networks (VPN), Network Security, Networking Basics, Routing, Remote Access Technology, Firewalls (Computer Science)
- **Published:** August 25, 2026
- **Apply:** https://www.adzuna.be/details/5854627722

## About the Role

* At least three years in firewall administration and network security.
 * Palo Alto certification (PCNSE or equivalent) and real depth in configuration, management and troubleshooting.
 * Security+ or an equivalent security qualification.
 * Sound networking fundamentals - protocols, routing, architecture - and VPN technologies.
 * Scripting and automation, and the habit of using them.
 * Professional English, spoken and written, to a standard that carries a technical briefing.

The work is on site in Mons, in normal office hours, with occasional planned night work for change windows and roughly one trip a month to other European locations. CISSP or CCNA is welcome but not expected.

## Description

* Build, configure and maintain next-generation firewalls across the mission estate, including high-availability pairs and central management.
 * Design, implement and review security policies and rulesets, and adapt them as the operational picture changes.
 * Configure and troubleshoot VPN and secure interconnection between sites.
 * Take third-line incidents through to root cause, working with the network and platform teams rather than throwing tickets over a wall.
 * Automate the repetitive parts - signature updates, configuration backups, health checks.
 * Keep procedures and security documentation current, and report monthly on service performance.


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