Salary: £48,000 - 54,000 per year Requirements: Strong background in NetSecOps / Network Security Engineering in enterprise environments Hands-on with NAC platforms (e.g. Fortinet, Aruba ClearPass, Forescout) Expertise in 802.1X, RADIUS, TACACS, device profiling, certificates Solid LAN/WAN knowledge: switching, routing, VLANs, DHCP, DNS, BGP/OSPF Experience with large-scale LAN migration or refresh programmes Knowledge of segmentation, firewalls, and zero-trust networking Experience in large retail or multi-site environments (desirable) Responsibilities: Deliver and support a multi-phase NAC implementation Design, configure, test, and deploy NAC policies, authentication, and segmentation Support LAN migrations and switch refreshes across multiple sites Lead end-to-end testing (functional, failover, performance) Develop operational processes, documentation, and runbooks Provide SME guidance on identity-based and zero-trust network access Technologies: Aruba Support LAN Network Security More: Were seeking a hands-on Network Security Operations Engineer (NetSecOps) to support a major Network Access Control (NAC) rollout and LAN modernisation programme across a large, distributed retail estate. You will work closely with our Networks team to strengthen access control, segmentation, and operational security at scale. This position is a 3-month contract, with a hybrid work model requiring in-office presence once a week in Northampton. last updated 6 week of 2026