Senior Network Engineer

Senior Network Engineer

Base Pay Range: £58,346 - £64,179 gross per annum (dependent on skills and experience)

Hours: Full-Time (We understand the importance of work-life balance and are happy to discuss flexible working opportunities with candidates)

Contract Type: Permanent

Location: Science and Technology Facilities Council, Rutherford Appleton Laboratory Harwell, Oxfordshire

Security Clearance: This role requires SC Clearance. Eligibility criteria are set out at the end of the role profile.

At the Science and Technology Facilities Council (STFC), we are dedicated to supporting ground‑breaking projects across various scientific disciplines, delivering economic, societal, scientific and international benefits to the UK and its people. As part of UK Research and Innovation, we pride ourselves on equipping, encouraging and inspiring our employees to perform at their very best.

• 30 days of holiday + 10.5 public/privilege days
• Flexible working arrangements, including hybrid home‑based options
• Defined benefit pension scheme
• On‑site childcare facility, tax‑free childcare and childcare vouchers
• Employee discount sites
• Access to a variety of social and sporting activities and societies
• Subsidised on‑site restaurant

We are seeking a talented Senior Network Engineer to join our Digital Infrastructure team. You will support and maintain STFC’s IT Network with a focus on firewall, routing, Wi‑Fi and security systems. As a Senior Network Engineer, you will leverage extensive expertise in LAN and WAN, IP address management, firewalls, security access control systems to deliver innovative solutions and ensure network stability and security.

The position may require travel to other STFC sites, partner and supplier offices.

• Support STFC WAN, site LAN, routing, Wi‑Fi, firewall, network security, IPAM, network access control and cloud telephony.
• Collaborate with other teams to ensure IT systems and services meet evolving needs.
• Participate in projects and oversee new service transitions.

• Enterprise firewall management.
• Experience in routers and routing management.
• Knowledge and experience running multi‑site network environments.
• Experience managing and configuring Layer 2 and Layer 3 network switches, DNS and DHCP services.
• Experience in Extreme Cloud IQ Wi‑Fi management system or equivalent and excellent knowledge of a Network Access Control system (preferably Clearpass).
• IP Address Management experience using Infoblox solutions or equivalent.
• Experience in fibre and cable management.
• Excellent analytical and problem‑solving abilities.

The post attracts a National Security Vetting clearance. To meet national security vetting requirements, you will normally need to have been resident in the UK for at least 3 years for CTC, 5 years for SC and 10 years for DV prior to the date of application. All DV posts are required to be UK Nationals.

Join us and discover what’s possible.