DV Cleared Network EngineerLocation: London (100% On-site)Salary: Up to 100,000 + 10% BonusSecurity Clearance: Active DV Clearance required (10+ years UK residency essential)About the RoleWe are seeking a Network Engineer to join a global security practice delivering mission-critical infrastructure projects. This role directly supports the safety and resilience of critical national infrastructure and global defense capabilities.Working as part of a high-performing engineering practice, you will be responsible for designing, building, testing, validating, and maintaining secure network architecture across enterprise and data center environments.Key ResponsibilitiesNetwork Infrastructure Management: Accountable for system design, build, testing, validation, maintenance, and support across all network components.Technology Implementation: Deploy new network technologies supporting enterprise and remote site connectivity in line with strategic customer requirements.Standards and Hardware: Maintain standards for global networks (wireless, LAN, SD-WAN) and manage physical/virtual hardware setups (routers, switches, firewalls, and monitoring tools).Network Security: Implement high-grade network security protocols and manage firewall/IDS/IPS configurations.Essential Skills and ExperienceRouting and Protocols: Deep experience with enterprise/operator-scale routing design using protocols such as OSPF, IS-IS, BGP, LDP, or RSVP.LAN and Switching: Strong knowledge of LAN switching in ..... full job details .....