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SNR NETWORK ENGINEER

Senior Network Engineer

Headcount: 2
Digital/Non-Digital: Digital

Contracting Authority: AWE

DURATION : 12 month

Location: ALDERMASTON ,READING ,BERKSHIRE- 100% ONSITE

May be some expensed travel to remote sites but would always try to use perm staff for this first.
• Willingness to work flexibly and to occasionally work evenings and weekends where exceptional circumstances require it.
• Travel to remote sites when required which may involve overnight stays.
• Part of on call rota.
IR35: In scope

TOP 3 REQUIREMENTS
1. Juniper
2. Fundamental knowledge of networking
3. Experience of support in a large and complex network environment at a Senior network engineering level.

Essential:
• Active DV Clearance
• Sole UK
• Experience of support in a large and complex network environment at a Senior network engineering level
• Good technical investigation and problem-solving skills.
• 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 and renewal.
• Networking: strong routing skills (OSPF, BGP), firewall configuration, WAN/LAN design, device clustering, high availability.
• Juniper Technologies: EX, QFX, switch configuration, SRX, vSRX firewall and policy config, Junos Space, Security Director, Apstra.
• Security Platforms: FortiGate, F5 BIG-IP (Load Balancing / AWAF), Pulse Secure / Ivanti, high-grade encryption.
• & Access Management: Cisco ISE (full lifecycle), Windows NPS (RADIUS / 802.1X).
• Monitoring & Observability: SolarWinds, Splunk.
• 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 but experience is more important.
• Ideally experience of working in a secure environment.
• Data Centre experience advantageous.
• Extreme Switch knowledge desirable.
• Experience / certification with at least one of the major network vendors. - JNCIS-ENT, JNCIS-DC (preferably JNCIP-DC), JNCIA-SEC

Security Clearance: Active DV Clearance is essential
• Sole UK

SNR NETWORK ENGINEER

Reading, UK
Full time

Published on 02/09/2026

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