Senior Network Engineer (DV Cleared or DV Eligible) Rate: £560 per day (Inside IR35), plus on call allowancesDuration: 6 month contractLocation: Hybrid - 3 days per week on site near Milton KeynesClearance: DV (Developed Vetting) - active or eligible Role Overview We are seeking a Senior Network Engineer to support a highly secure programme within a defence/national security environment. This is a senior, hands-on role where you will provide technical leadership across enterprise networking and security, operating within high-assurance, air-gapped environments.You will act as a senior escalation point, supporting complex incidents, contributing to secure network design, and ensuring the ongoing stability and compliance of critical infrastructure. Key Responsibilities Design, implement, secure, and support enterprise LAN/WAN infrastructureProvide technical leadership across routing, switching, and network securityAct as an escalation point for complex network and Firewall issuesSupport and maintain highly secure and air-gapped environmentsConfigure and manage network security controls, policies, and FirewallsContribute to secure network design and operational assurance activitiesParticipate in an on-call rota to support critical services Core Skills Experience Design, implementation, and support of enterprise LAN/WAN network infrastructureStrong technical leadership across routing, switching, and network securityHands-on experience with Cisco routing and switching ..... full job details .....