Senior Network Engineer
Role details
Job location
Tech stack
Job description
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:
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Provide L2/L3 network support across a complex environment
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Configure and maintain Cisco routing & switching
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Manage Fortinet firewalls (policies, VPNs, security changes)
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Support F5 load balancing / application delivery
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Deliver network changes, upgrades, and deployments
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Maintain technical documentation and support projects
Requirements
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Strong Cisco networking (routing & switching) experience
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Experience with firewalls (Cisco / Fortinet)
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Background in secure, enterprise environments
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Solid troubleshooting and incident resolution skills
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F5 / load balancing experience
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Cisco certifications (CCNA / CCNP)
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Exposure to network security / DDoS protection
Why this Senior Network role?
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Work on secure, nationally significant systems
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Complex, large-scale network environment
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Real technical ownership and impact