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# Senior 3rd Line Network Engineer - Remote & Flexible

- **Company:** Leidos, Inc.
- **Location:** Huntingdon, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Routing, Firewalls (Computer Science), Information Technology, Cisco, Vmware
- **Published:** September 9, 2026
- **Apply:** https://www.collegerecruiter.com/job/2858066426-senior-3rd-line-network-engineer-remote--flexible

## About the Role

The role requires in-depth Cisco LAN expertise, SDN experience with VMware NSX, and strong firewall and routing knowledge, with an emphasis on security boundaries and SLA adherence.
#J-18808-Ljbffr

## Description

Leidos is seeking a Senior 3rd Line Network Engineer in Huntingdon to provide advanced fault rectification and support for High Side IT systems supporting national security outputs. You will respond to escalations, perform proactive maintenance and liaise with stakeholders at all levels in a high-demand environment.


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