Network Engineer - Firewall specialist

Network Engineer (Firewall Specialist)Location: Hybrid - Belfast City Centre Salary: £50,000 - £60,000 About the RoleWe're working with a well-established local IT consultancy based in Belfast City Centre that is continuing to grow its network and security practice. They are seeking an experienced Network Engineer with a strong focus on firewall technologies and network security to join their technical team.This role will suit someone who enjoys working across multiple client environments, taking ownership of firewall design, deployment, and ongoing optimisation, while also contributing to wider network infrastructure projects.Key ResponsibilitiesDesign, implement, and support enterprise-grade firewall solutions across client environmentsManage firewall configuration, rule reviews, policy optimisation, and upgradesTroubleshoot complex network and security issues across LAN, WAN, and VPN environmentsLead and support firewall migrations, upgrades, and security hardening projectsWork closely with clients to understand requirements and deliver secure, scalable solutionsProvide 3rd-line support and act as a technical escalation pointProduce clear technical documentation and network diagramsContribute to security best practice, standards, and continuous improvement initiativesTechnical RequirementsEssential:Strong hands-on experience with enterprise firewall platforms (e.g. Palo Alto, Fortinet, Check Point, Cisco ASA/Firepower)Solid networking fundamentals: TCP/IP, VLANs, routing, switching, NATExperience with VPN technologies (site-to-site and remote access)Proven background in network security and firewall policy managementExperience working in a consultancy or multi-client environmentDesirable:Firewall or network security certifications (e.g. PCNSE, NSE4+, CCNP Security)Exposure to cloud networking and cloud-native firewalls (Azure/AWS)IDS/IPS, web filtering, or zero-trust security conceptsExperience with network monitoring and logging toolsWhat's on OfferSalary between £50k - £60k, depending on experienceHybrid working model with a Belfast City Centre officeOpportunity to work on varied, technically interesting client projectsSupportive consultancy environment with room for progressionOngoing training and certification supportFlexible workingIdeal CandidateYou'll be a technically strong Network Engineer who specialises in firewall technologies, enjoys solving complex security challenges, and is comfortable engaging directly with clients. You'll value best practice, documentation, and continuous learning in a fast-paced consultancy setting.

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