Senior Enterprise Network Architect: Nexus/SD-WAN/Security

KBR is seeking a Lead IT Network Administrator in the United Kingdom to support complex, mission-critical IT infrastructure across defence, government, and secure environments. The role focuses on Cisco Nexus, ISE, NDFC, VXLAN/EVPN, SD-WAN, and security platforms, with responsibilities spanning data centres, offices, and remote access.

The position requires BPSS clearance or higher, strong troubleshooting skills, and experience with Palo Alto, F5 BIG-IP, and Azure networking.

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