Senior Network Infrastructure Engineer – Freelance

*** Senior Network Infrastructure Engineer – Freelance ***

We are looking for an experienced Senior Network Infrastructure Engineer to join an international project on a 12-month freelance contract .

Location: Glasgow, UK – hybrid, 2–3 days onsite per week

Start: End of September 2026

Contract: Freelance – Outside IR35

Working pattern: Full-time

Duration: 12 months

• Design, configure and support enterprise network infrastructure
• Manage and troubleshoot complex LAN/WAN environments
• Work with Cisco networking technologies
• Configure and support routing and switching
• Troubleshoot network connectivity and performance issues
• Work with TCP/IP, BGP and OSPF
• Support highly available and business-critical network environments
• Contribute to network infrastructure design and continuous improvement
• Strong commercial experience as a Network Infrastructure Engineer
• Strong hands‑on experience with Cisco
• Excellent knowledge of LAN/WAN, routing and switching
• Strong understanding of TCP/IP, BGP and OSPF
• Experience working with high-availability environments
• Strong communication and problem-solving skills
• Ability to work onsite in Glasgow 2–3 days per week

Nice to Have

• Experience with Palo Alto, Fortinet or Check Point firewalls
• Background in energy, utilities, telecommunications or critical infrastructure
• Experience supporting large-scale or business-critical environments