> Markdown version of [/jobs/ext/1490789-it-security-engineer](https://www.wearedevelopers.com/jobs/ext/1490789-it-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). --- # IT Security Engineer - **Company:** Keytrade Bank - **Location:** Brussel, Belgium (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** VoIP, Cyber Security, Python (Programming Language), Network Security, Microsoft Software, Red Hat Enterprise Linux, Cloud Services, Ansible, Wi-Fi Technology, Network Routers, Scripting, Load Balancing, Multi-Cloud, HybridCloud, Juniper, Palo Alto Networks, Fortinet, Routing & Switching, Terraform, Cisco Switches, Cisco - **Published:** July 30, 2026 - **Apply:** https://be.indeed.com/viewjob?jk=e015441395544526 ## About the Role * 5+ years of experience in network engineering * Strong expertise in enterprise routing & switching * Proven hands-on experience with: + Cisco Catalyst switches and routers + Palo Alto and/or Fortigate firewalls + F5 bigIP LTM * Experience working in hybrid cloud-connected environments * Solid troubleshooting skills (L3 level) * Professional English (written & spoken) * Have a clean certificate of good behavior. Nice to have * Certifications such as CCNP/CCIE, Palo Alto next gen firewall engineer or Fortinet NSE * Experience with Cisco Catalyst center * Experience with scripting/automation languages (Python, Ansible and/or Terraform) * Experience in financial services environments * Experience with Linux RedHat * Experience with traditional Microsoft products Soft skills * Operationally strong and comfortable in complex environments * Structured, documentation-oriented mindset * Calm and pragmatic under pressure * Capable of balancing hands-on work with technical coordination * Natural mentor with strong communication skills * Autonomous and delivery-focused ## Description This role is both hands-on and technical lead oriented (50/50). You will stabilize, maintain, and oversee a complex hybrid infrastructure while mentoring junior team members and acting as the go-to escalation point. You will report directly to the Head of Network & Security and collaborate closely with our dedicated Risk & Security team. Responsibilities Main Responsibilities * Oversight of routing & switching infrastructure (Cisco-based environment) * Oversight of firewalling and perimeter security (Palo Alto, Fortigate, Juniper) * Oversight of load balancing (F5 BigIP LTM) * Microsoft Teams Telephony (VoIP , ... ) * L3 escalation support for internal IT teams * Maintain, monitor, and stabilize hybrid cloud connectivity * Coordinate with telecom providers, partners and external vendors * Ensure documentation and operational best practices Technical environment * Hybrid multi-cloud: on-premises datacenters & AWS & Azure * Network fabric * Cisco switches & routers * Palo Alto, FortiGate & Juniper firewalls * F5 BigIP LTM * Entreprise Wi-Fi infrastructure ## Related Videos - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [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) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [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) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) ## 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) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)