Senior Network Engineer: Cisco, Fortinet & Security

Pimlico Banks Recruitment; Belfast; On-site; GBP 40,000 - 55,000; Full time

Job summary

A Belfast-based technology organization is seeking an experienced Network Engineer to support and develop its enterprise network and security environment. This role requires strong skills in routing, switching, and firewall management, alongside a minimum of 4 years of experience and a CCNA certification. You will ensure the reliability and security of the networking infrastructure while collaborating with internal teams. The position offers a dynamic, structured, and business-critical work environment.

Qualifications

• Minimum 4 years experience in a Network Engineer or Infrastructure role.
• Strong hands‑on experience with Cisco networking technologies.
• CCNA certification (or equivalent experience).
• Solid understanding of network security principles.
• Strong troubleshooting and documentation skills.

Responsibilities

• Support and maintain enterprise WAN, LAN and wireless infrastructure.
• Diagnose and resolve network and connectivity incidents.
• Configure, manage and troubleshoot Cisco network infrastructure.
• Work with Fortinet firewall and network security solutions.
• Support network upgrades, changes and improvement initiatives.
• Ensure network security, availability and performance standards are met.
• Collaborate with internal technical teams and stakeholders.

Skills

Cisco networking technologies

Network security principles

Troubleshooting skills

Documentation skills

Education

CCNA certification

4+ years experience in Network Engineer or Infrastructure role

Job description

A Belfast-based technology organization is seeking an experienced Network Engineer to support and develop its enterprise network and security environment. This role requires strong skills in routing, switching, and firewall management, alongside a minimum of 4 years of experience and a CCNA certification. You will ensure the reliability and security of the networking infrastructure while collaborating with internal teams. The position offers a dynamic, structured, and business-critical work environment.