> Markdown version of [/jobs/ext/1996923-ops-security-engineer](https://www.wearedevelopers.com/jobs/ext/1996923-ops-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). --- # OPS Security Engineer - **Company:** OPTIMUS IT SERVICES - **Location:** Brussel, Belgium (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Agile Methodology, Application Firewall, Cloud Computing, CompTIA Network+, Cyber Security, Intrusion Detection Systems, Python (Programming Language), Network Security, Network Segmentation, Firewalls (Computer Science), Vba Programming Language, Palo Alto Networks, Fortinet, Firewall Services Module, Servicenow - **Published:** August 9, 2026 - **Apply:** https://www.adzuna.be/details/5834320461 ## About the Role ️ Minimum 5 years of experience in Firewall administration ️ Strong experience with Firewall technologies, IPS/IDS, and Cloud Micro-Segmentation ️ Hands-on experience with Palo Alto and/or Fortinet solutions ️ Firewall rule implementation and policy optimization expertise ️ Incident management and troubleshooting experience ️ ServiceNow (ITSM) knowledge ️ Reporting and automation skills using Excel, VBA, and/or Python ️ Solid understanding of Networking, Security Architecture, and Security Principles ️ Experience working in Agile environments Certifications PCNSA (Palo Alto Networks Certified Network Security Administrator) CompTIA Network+ and/or CCNA Languages English - Mandatory French - Desired Dutch - Nice to have This opportunity is ideal for a security professional who enjoys working in a complex enterprise environment, combining operational excellence, security governance, incident management, and continuous improvement. ## Description * Manage and validate Firewall flow requests * Implement and optimize Firewall rules and security policies * Investigate and resolve Firewall-related incidents * Support security audits, flow recertifications, and compliance activities * Collaborate with project teams on secure network solutions * Ensure Firewall configurations comply with security standards and regulatory requirements ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [WeAreDevelopers LIVE - Back to CODE100](https://www.wearedevelopers.com/videos/1909-wearedevelopers-live-back-to-code100) - [Applying Agile Principles to Incident Management ](https://www.wearedevelopers.com/videos/101-applying-agile-principles-to-incident-management) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Robots are coming into the wild! Full-Stack Robotics Engineers, be ready!](https://www.wearedevelopers.com/videos/479-robots-are-coming-into-the-wild-full-stack-robotics-engineers-be-ready) ## 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) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)