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# Security Engineer: Firewall & Proxy - Permanent

- **Company:** Collective
- **Location:** Brussels, Belgium
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Domain Name System (DNS), Networking Hardware, Load Balancing, Firewalls (Computer Science), Information Technology, Palo Alto Networks, Fortinet, Routing & Switching, Cisco
- **Published:** September 29, 2026
- **Apply:** https://www.adzuna.be/details/5902342735

## About the Role

* At least 5 years of relevant professional experience
 * Hands-on experience managing network equipment on a day-to-day basis, including incident resolution and migration/upgrade projects, within large enterprise network environments
 * Knowledge of Cisco switching & routing, F5 load balancing, Fortinet, Palo Alto firewalls, Infoblox
 * Autonomous, self-driven and focused, with a strong ability to deliver on time and to plan while operating within predefined processes and procedures
 * Strong communicator and collaborative team player, able to engage effectively with technical and non-technical stakeholders in a dynamic, multicultural environment
 * Client-oriented, risk-aware, and detail-driven, with a flexible and precise approach to daily work
 * English: fluent mandatory Dutch and French are a big plus
 * Bachelor's or Master's degree in IT network administration, or equivalent through professional experience

## Description

Senior-level network and security engineering mission covering day-to-day operations, incident handling, and support for network projects.
The role also covers ensuring solutions comply with banking security policies and participating in an on-call rotation.

MISSIONS

 * Participate in the day-to-day management of network equipment
 + Firewalls
 + Switching & Routing
 + Load Balancing
 + DNS
 + Proxies
 * Contribute to incident resolution, representing the network team for this scope
 * Support project teams with network technology expertise
 * Ensure proposed solutions are aligned with BNP Paribas Fortis security policies
 * Document the solutions implemented
 * Handle requests in compliance with the bank's security rules
 * Participate in an on-call rotation
 + Occasional interventions possible in the event of P1/P2 incidents

ORGANIZATION & DAY-TO-DAY

 * The working environment operates in Agile mode.
 * Teams and colleagues are autonomous within their technical domain.
 * The role involves interactions with people based in Belgium and with a shared support team within the BNPP group.