Network Engineer - Defence - High Security Clearance Required

Network Engineer - Defence
High Security Clearance Required
£65k + benefits
Farnborough based

This role sits within a team responsible for building and supporting secure cloud infrastructure in a highly secure environment.

The position combines traditional network engineering with cloud-native platform networking, supporting Kubernetes-based services operating within air-gapped infrastructure. You'll work across both physical and virtual networking layers, helping maintain secure, resilient and highly available platforms.

Key responsibilities include:

Supporting and improving secure cloud platform networking
Maintaining and troubleshooting cross-cluster communications within air-gapped Kubernetes environments
Configuring and supporting software-defined networking technologies
Implementing automation to reduce operational overhead and improve platform reliability
Supporting platform upgrades, maintenance activities and incident resolution
Participating in an on-call rota (1 week in 6)The team is looking for engineers with experience in several of the following areas:

IP networking, WAN technologies and Layer 2-7 networking
Border Gateway Protocol (BGP)
Linux systems administration
Kubernetes administration in production environments
Kubernetes networking, including CNI technologies such as Cilium
Service Mesh technologies such as Istio
MPLS L3 VPN or cloud-native networking
Infrastructure automation using Bash, Python, Git or similar tools
Supporting secure and resilient network environmentsThis role would suit a Network Engineer who enjoys troubleshooting complex environments, automating repetitive tasks and working across both traditional networking and modern cloud-native platforms