Senior Defence Network Security Engineer (On-Site, 12m)

Effective People is seeking a senior EL1 Lead Network Security Engineer to operate and strengthen critical government network infrastructure in a Defence environment. The role focuses on practical security across architecture, infrastructure and device configurations, with a hands-on approach to hardening systems against advanced threats. You will work across network services, devices, and security frameworks to identify weaknesses and implement defence-in-depth improvements in collaboration J-…