Job Description

Posted 2 hours ago

Senior Network Engineer (DV Cleared)

Hertfordshire (On-site)
Up to £60K + Benefits
Active DV Clearance Required

DV Cleared Network Engineer? Ready for a more meaningful challenge?
Join a mission-critical defence programme delivering a secure, ground-up network across complex, multi-site environments.
This is a hands-on role where you’ll work at L2/L3 level, supporting and enhancing highly secure infrastructure that genuinely matters.

In this Senior Network Engineer role you will:

Provide L2/L3 network support across a complex environment
Configure and maintain Cisco routing & switching
Manage Fortinet firewalls (policies, VPNs, security changes)
Support F5 load balancing / application delivery
Deliver network changes, upgrades, and deployments
Maintain technical documentation and support projects
To Secure this role you will have worked in a Senior Network role and have:

Strong Cisco networking (routing & switching) experience
Experience with firewalls (Cisco / Fortinet)
Background in secure, enterprise environments
Solid troubleshooting and incident resolution skills
F5 / load balancing experience
Cisco certifications (CCNA / CCNP)
Exposure to network security / DDoS protection 
Why this Senior Network role?

Work on secure, nationally significant systems
Complex, large-scale network environment
Real technical ownership and impactIf you hold active DV clearance, apply now or get in touch