Salary: £84,000 - 84,000 per year Requirements: Active DV Clearance Sole UK National Experience of support in a large and complex network environment at a Senior network engineering level Good technical investigation and problem-solving skills Experience with Juniper Technologies: EX, QFX, switch configuration, SRX, vSRX firewall and policy config, Junos Space, Security Director, Apstra Experience in IT service management and delivery based on ITIL service management standards Experience working with Juniper Virtual Chassis and Clustering technology Experience with configuring/troubleshooting EVPN/VXLAN on Juniper equipment Experience of configuring GRE tunnels and Routing Instances/VRFs Experience of PKI/certificate generation and renewal Strong routing skills (OSPF, BGP), firewall configuration, WAN/LAN design, device clustering, high availability Proficiency with Security Platforms: FortiGate, F5 BIG-IP, Pulse Secure/Ivanti, high-grade encryption Knowledge in Identity & Access Management: Cisco ISE, Windows NPS Experience with Monitoring & Observability tools: SolarWinds, Splunk Understanding of Core Network Services: IPAM, DHCP, DNS Effective communication with technical and non-technical stakeholders Ability to document processes and configurations clearly Desirable: Juniper and Cisco certification preferred, but experience is more important Ideally have experience of working in a secure environment Data Centre experience advantageous Knowledge of Extreme Switches desirable Experience/certification with at least one major network vendor (JNCIS-ENT, JNCIS-DC, preferably JNCIP-DC, JNCIA-SEC) Responsibilities: Provide support in a large and complex network environment at a senior engineering level Configure and troubleshoot networking devices, specifically Juniper technologies Monitor network performance and security Document processes and configurations clearly Work on IT service management based on ITIL standards Participate in the on-call rota and perform emergency support as needed Travel to remote sites when required, potentially involving overnight stays Communicate effectively with both technical and non-technical stakeholders Implement network enhancements and upgrades Ensure compliance with industry standards and internal policies Technologies: Cisco Firewall FortiGate Support ITIL LAN Network Security Splunk Windows Load Balancing More: We are seeking two Senior Network Engineers to join our team at AWE in Aldermaston, Reading, Berkshire. This is a 12-month contract position that requires the successful candidates to work onsite 100% of the time. Our team prides itself on delivering high-quality network solutions in a secure environment. Benefits include competitive compensation and the opportunity to work with advanced networking technologies. Please apply if you possess the required qualifications and are eager to contribute to our critical projects. last updated 7 week of 2026