> Markdown version of [/jobs/ext/4650682-senior-network-security-engineer-f5-awaf](https://www.wearedevelopers.com/jobs/ext/4650682-senior-network-security-engineer-f5-awaf). 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 - F5 & AWAF - **Company:** Pauwels Consulting - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Application Firewall, Cyber Security, Network Security, Network Protocols, Citrix Systems, Security Information and Event Management, Simple Network Management Protocols, TCP/IP, Software Vulnerability Management, Wireless Networks, Transport Layer Security, Information Technology, Nessus, Splunk, SSL VPN - **Published:** November 10, 2026 - **Apply:** https://europa.eu/eures/portal/jv-se/jv-details/ZWZmYmZmOTEtZjFmZS00NjQyLTk3Y2MtZmI1OGNjODY5N2JkIDM?lang=en ## About the Role * 8+ years of experience in IT security with a focus on network protection and infrastructure management. * Expertise in F5 infrastructure including F5 AWAF, APM, ASM, LTM, Identity Provider, and SSL VPN. * Strong knowledge of network and application firewalls such as Palo Alto, Forcepoint, and Panorama. * Advanced proficiency in network protocols and security standards including TCP/IP, HTTP/HTTPS, SSL, and SNMP. * Experience using monitoring and log correlation tools such as Splunk, Nessus, or Elastic SIEM. * Proven capability in performing technical risk analyses and vulnerability remediation. * Demonstrated experience in security crisis management and incident response. * Methodical and precise approach with a strong ability to document technical processes. * You are fluent in French or Dutch with at least basic knowledge of the other, and technical English. Nice to Haves * Knowledge of wireless network security including WPA2 and encryption principles. * Experience with Citrix terminal-server solutions. ## Description * Manage and maintain F5 infrastructure, specifically the Advanced Web Application Firewall modules. * Install and configure F5 components including APM, ASM, and LTM for secure application delivery. * Develop and document technical security policies and monitor their consistent application. * Conduct technical risk analyses and implement remediation strategies to address system vulnerabilities. * Monitor the security state of IT systems and provide rapid intervention during network intrusions or crisis situations. * Advise on technical solutions for securing external partner connections via intranet and internet. * Produce comprehensive technical documentation and incident reports for internal stakeholders.