Award-winning IT and Networks consultancy is expanding their National Security team and requires a Senior Network Engineer to join this industry-leading practice as result of renewing a 14 year-partnership for a further 5 years. This organisation are somewhat of an institution in Government as a long-standing network services supplier to the most secure Gov sites in the UK. If you are an experienced client-facing Network Engineering professional with the necessary privileges and clearance to work on-site with National Security customers and the below technical competencies please apply now: Technical experience criteria: LANs / WANs. WAN solutions and circuits such as VPN's or MPLS. TCP/IP based networks & protocols such as BGP, or OSPF. Strong knowledge of switching and routing (CCIE or CCNP level). Firewall technologies (Cisco / Fortinet / Palo Alto / Checkpoint). Network design & documentation (LLD / HLD). Application Delivery Controllers such as Citrix or F5. Ansible or Python. CiscoACI, VMware NSX or Nuage. Cloud solutions (AWS or Azure).