> Markdown version of [/jobs/ext/2990096-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/2990096-network-security-engineer). 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). --- # Network Security Engineer - **Company:** X4 Technology - **Location:** Gent, Belgium (Remote available) - **Salary:** €156,000.0 - €182,000.0 - **Contract:** Temporary contract - **Skills:** Microsoft Windows, Computer Networks, Network Security, Network Troubleshooting, Network Connections, Office365, Firewalls (Computer Science), Firewall Services Module, Cisco - **Published:** September 19, 2026 - **Apply:** https://www.adzuna.be/details/5889314050 ## About the Role * Proven experience as a Network & Security Engineer/Architect within enterprise environments. * Strong hands-on experience with Cisco and Palo Alto firewalls, including firewall rule management, optimisation and troubleshooting. * Experience conducting application risk assessments and maintaining application inventories. * Good understanding of network security, firewall policies, network troubleshooting and Microsoft 365 (O365) support. * Ability to work full-time on-site in Belgium, with minimal remote working. ## Description * Manage and optimise firewall rules across Cisco and Palo Alto environments, ensuring secure and efficient network traffic. * Conduct application risk assessments and maintain an inventory of applications, identifying potential security vulnerabilities and risks. * Provide network and security support across the client's IT environment, including Clarity and Microsoft 365 (O365). * Troubleshoot and resolve network connectivity, firewall and security-related incidents, working closely with internal IT teams. * Support the ongoing improvement of network security policies, configurations and operational processes within a large enterprise environment. ## Related Videos - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Blockchains: One Size doesn't Fit All](https://www.wearedevelopers.com/videos/409-blockchains-one-size-doesn-t-fit-all) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)