> Markdown version of [/jobs/ext/763034-network-security-engineer-abis-infrastructure-project-job-id-jp054532](https://www.wearedevelopers.com/jobs/ext/763034-network-security-engineer-abis-infrastructure-project-job-id-jp054532). 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 ABIS Infrastructure Project Job ID: JP054532 - **Company:** ITProposal - **Location:** Brussel, Belgium - **Contract:** Temporary to permanent - **Skills:** Application Firewall, Biometrics, Complex Networks, Network Security, Simple Network Management Protocols, TCP/IP, Network Routers, Data Storage Technologies, BIG-IP Local Traffic Manager (LTM), Firewalls (Computer Science), Nessus, BIG-IP Access Policy Manager (APM), Splunk, Big Ip, Elk Stack, BIG‑IP Application Security Manager (ASM) - **Published:** June 20, 2026 - **Apply:** https://www.adzuna.be/details/5769062341 ## About the Role * Strong experience with F5 BIG-IP technologies, including: + LTM (Local Traffic Manager) + APM (Access Policy Manager) + ASM/AWAF (Application Security Manager / Advanced Web Application Firewall) * Experience with Palo Alto firewalls and network security solutions. * Knowledge of routers, stateful packet inspection firewalls, and application firewalls. * Strong understanding of TCP/IP, HTTP, HTTPS, SSL/TLS, and SNMP protocols. * Experience with monitoring and log correlation tools such as: + Splunk + ELK Stack + Nessus * Experience troubleshooting complex network and security environments. Soft Skills * Strong verbal and written communication skills. * Ability to work independently and take initiative. * Adaptable and capable of responding effectively to changing priorities. * Strong team player with a collaborative mindset. * Methodical and organized approach to work. * Ability to produce clear technical documentation and reports. * Solution-oriented, creative, and customer-focused. Languages * Fluent French and/or Dutch. * Ability to participate in meetings in both national languages is highly desirable. * Technical English proficiency is mandatory. ## Description We are seeking an experienced Network Security Engineer to support a large-scale biometric identification infrastructure project. The role focuses on designing, implementing, securing, and maintaining critical network and security infrastructure used in a high-availability environment operating 24/7. Project Overview The project involves the implementation and modernization of an Automated Biometric Identification System (ABIS), a mission-critical platform responsible for biometric data storage, processing, and analysis. The solution supports thousands of users and requires a highly secure, resilient, and scalable infrastructure. Key Responsibilities * Ensure compliance with established security policies and infrastructure standards. * Design, implement, and maintain ABIS-related infrastructure components. * Deploy and manage F5 BIG-IP and Palo Alto security solutions. * Monitor infrastructure changes and support project implementation activities. * Troubleshoot and resolve infrastructure-related incidents and technical issues. * Manage and resolve support tickets associated with the project environment. * Respond to security incidents, including cyberattacks, network intrusions, and malware outbreaks. * Recommend and implement security measures to protect internal, external, and internet-facing connections. * Collaborate with multidisciplinary teams to ensure operational stability and security. * Produce technical documentation, reports, and operational procedures. ## Related Videos - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Debunking the Top 10 Myths about Web 3](https://www.wearedevelopers.com/videos/634-debunking-the-top-10-myths-about-web-3) ## Related Articles - [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) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)