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# Network Engineer - 6 Month Contract - Hybrid in Corsham - Inside IR35 - SC Clearance Required

- **Company:** Hamilton Barnes
- **Location:** Corsham, UK
- **Salary:** £143,000.0
- **Contract:** Temporary contract
- **Skills:** Apple IOS, Architectural Patterns, Border Gateway Protocol, Computer Networks, IP Addressing, Internet Protocol, Intrusion Detection Systems, Subnetting, Network Security, Network Planning and Design, Routing, Network Service, Cisco Nexus Switches, Open Shortest Path First (OSPF), Systems Integration, Network Routers, Virtual Environment, Firewalls (Computer Science), SC Clearance, SDN Network, Firewall Services Module
- **Published:** October 13, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-C0BBC1640805A0947C/

## About the Role

* Must hold, or be eligible to obtain, UK Security Clearance (SC)
 * Strong network engineering experience across design, implementation, and troubleshooting, with solid IP Networking fundamentals including subnetting and addressing
 * Experience with routing protocols (OSPF, BGP) and advanced knowledge of Routers, Switches, and Firewalls
 * Experience with enterprise network technologies such as Cisco Nexus, IOS XE, leaf-spine architecture, and VXLAN
 * Understanding of network security technologies (Firewalls, IDS/IPS, AAA platforms) and QoS/traffic management, with CCNP or equivalent certification - desirable: defence or secure public sector experience, secure gateway architectures, multi-tenanted network design

## Description

We are looking for a Network Engineer to deliver hands-on engineering support on a 6-month hybrid contract based in Corsham. The role focuses on physical and virtual networking technologies forming the backbone of a platform, supporting full life cycle delivery from design and build through to integration, testing, and operational support within a secure, regulated environment. Candidates must hold UK Security Clearance (SC)., * Design, build, and support enterprise network infrastructure across physical and virtual environments, including Routers, Switches, and Firewalls

 * Deliver network solutions aligned to modern architectures such as leaf-spine and software-defined networking, deploying overlay technologies such as VXLAN
 * Configure and troubleshoot routing protocols (OSPF, BGP) and implement network services including IP Addressing, subnetting, QoS, and traffic management
 * Support secure network implementations including Firewall policies, IDS/IPS, and secure communications
 * Produce and review technical artefacts including design documentation, build guides, and operational procedures
 * Support system integration, testing, and validation of network services, working with Service Management to resolve incidents and service issues