> Markdown version of [/jobs/ext/1942522-cisco-firewall-engineer-l3](https://www.wearedevelopers.com/jobs/ext/1942522-cisco-firewall-engineer-l3). 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). --- # Cisco Firewall Engineer L3 - **Company:** Jobgether - **Location:** Netherlands (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Cyber Security, Network Security, Routing, Zero Trust Network Access, Security Information and Event Management, Systems Integration, System Availability, Firewalls (Computer Science), Cisco Firewalls - **Published:** August 6, 2026 - **Apply:** https://www.adzuna.nl/details/5829208733 ## About the Role The ideal candidate is an experienced network security engineer with deep Cisco firewall expertise and strong enterprise infrastructure knowledge. You should have advanced troubleshooting abilities, experience working in complex environments, and the ability to design secure and scalable solutions. Required qualifications include: * 6-10+ years of experience in network security engineering or related infrastructure roles. * Expert knowledge of Cisco firewall architecture and enterprise networking concepts. * Strong understanding of routing, high availability (HA), and network security design principles. * Proven experience troubleshooting complex firewall and connectivity issues. * Experience designing and implementing security policies and segmentation approaches. * Familiarity with automation tools and security workflow integrations. * Ability to work independently and manage advanced technical challenges. * Strong communication and collaboration skills. * CCNP Enterprise or CCNP Security certification is preferred. * Experience supporting large-scale enterprise environments is highly desirable. * Exposure to Zero Trust security principles is a plus. ## Description This role offers the opportunity to act as a senior technical expert supporting enterprise network security infrastructure. You will be responsible for advanced firewall troubleshooting, security architecture improvements, and complex infrastructure initiatives. The position combines hands-on engineering, strategic problem-solving, and collaboration with security and networking teams. You will help strengthen security posture through firewall optimization, segmentation strategies, automation, and continuous improvements. Working in a remote environment, you will support critical enterprise systems while contributing technical expertise and mentorship. This is an ideal opportunity for an experienced network security professional who enjoys solving complex challenges. You will play a key role in improving reliability, performance, and security across large-scale environments. Accountabilities: As a Cisco Firewall Engineer L3, you will serve as a senior-level technical resource responsible for advanced support, troubleshooting, and security infrastructure enhancements. You will work on complex firewall environments while collaborating with engineering teams and technology partners. Your responsibilities will include: * Leading root cause analysis for complex firewall and network security incidents. * Designing and improving segmentation strategies, security policies, and firewall architectures. * Implementing advanced security services and enhancing enterprise protection capabilities. * Performing firewall migrations, upgrades, and technology improvements. * Optimizing firewall performance, configurations, and rule base efficiency. * Integrating security solutions with SIEM platforms and automation workflows. * Supporting advanced troubleshooting activities across enterprise networking environments. * Collaborating with vendors and internal teams to resolve technical challenges. * Mentoring junior engineers and sharing best practices across the team. * Contributing to continuous improvement initiatives focused on security, reliability, and operational efficiency. ## Related Videos - [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) - [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) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## 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 Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)