Senior Network Architect - DV Cleared

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Must have an Active DV Clearance

A new opportunity has arisen for a Network Architect to join a secure Defence and National Security programme. You will design and deliver medium to large scale network solutions while supporting multiple work streams and engaging with technical and project stakeholders across a high profile environment.

• Work closely with Programme and Project Managers to produce high quality network designs across programme, live service, and change activities.
• Contribute to HLD and LLD documentation for key technologies including Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper LAN and WAN, Endace, NTP, data centre firewalls, and LAN services.
• Support engineering teams, ensuring solutions meet requirements, pass governance, and align with architectural direction.
• Provide design input for customer reporting and collaborate with senior technical leadership to maintain architectural consistency.

• Strong experience designing secure enterprise networks using Cisco, Juniper, and Gigamon technologies.
• Knowledge of routing protocols, VRFs, VPNs, QoS, security zones, high availability, and IP addressing design.
• Skilled in troubleshooting and resolving defects across multi‑vendor technologies.
• Experience of overseas infrastructure delivery is essential.
• Understanding of requirements management and lifecycle processes.
• Excellent communication skills with the ability to share knowledge, take ownership, and support delivery teams.

Mid‑Senior level

Contract

Information Technology

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