Salary: £60,000 - 60,000 per year Requirements: Proven experience with Palo Alto, Fortinet, Check Point, and Juniper firewalls (minimum 5 years) Strong understanding of networking fundamentals including TCP/IP, VLANs, NAT, routing, and VPNs Excellent troubleshooting skills for complex network issues Customer-facing or managed service environment experience Relevant security certifications (e.g., PCNSE, NSE4, CCSA) are highly desirable Strong communication and documentation skills Detail-oriented with the ability to manage multiple priorities Responsibilities: Design, implement, and support network security solutions for a variety of clients Manage and troubleshoot firewalls from Palo Alto, Fortinet, Check Point, and Juniper Conduct firewall rule reviews and optimise security policies Support VPN technologies including IPsec and SSL VPN Assist in security incident response and troubleshooting Collaborate with clients to understand requirements and deliver tailored security solutions Produce detailed technical documentation and network diagrams Provide second and third-line support for security-related issues Work within a team to deliver consistent, high-quality security services Technologies: Firewall Support NAT Network Security TCP/IP VPN More: We are a leading global technology solutions provider based in Belfast, offering a dynamic career opportunity as a Network Security Engineer. With a base salary of £60,000 and comprehensive benefits including pension contributions up to 5%, health insurance, and 33 days of holiday, we prioritize the well-being of our team. Our flexible hybrid working policy enables a balance between office and remote work, ensuring you can thrive in your role. Join us to make a significant impact on digital safety across diverse industries. last updated 15 week of 2026