DV Cleared Network Engineer

Salary: £70,000 - 100,000 per year

Requirements:

• Active Developed Vetting (DV) security clearance is required.
• We require 10+ years of UK residency.
• Deep experience with enterprise or operator-scale routing design using protocols such as OSPF, IS-IS, BGP, LDP, or RSVP.
• Strong knowledge of LAN switching in small-to-medium enterprise and data centre environments, including RSTP/MSTP, LAG, MC-LAG, SPB, and first-hop security.
• Practical expertise implementing network security standards, including MACSEC, IPSEC, and 802.1x.
• Hands-on experience with security design, firewall management, and IDS/IPS configuration.

Responsibilities:

• Design, build, test, validate, maintain, and support secure network architecture across enterprise and data centre environments.
• Support mission-critical infrastructure projects that protect critical national infrastructure and global defense capabilities.
• Deploy new network technologies to support enterprise and remote site connectivity in line with strategic customer requirements.
• Maintain global network standards across wireless, LAN, and SD-WAN environments.
• Manage physical and virtual hardware setups, including routers, switches, firewalls, and monitoring tools.
• Implement high-grade network security protocols and manage firewall and IDS/IPS configurations.

Technologies:

• Firewall
• Hardware
• Support
• LAN
• Network
• Security

More:

We are a global security practice delivering mission-critical infrastructure projects from our London, 100% on-site location. Our work directly supports the safety and resilience of critical national infrastructure and global defense capabilities. We offer a competitive package including a salary of up to £100,000 dependent on experience, a 10% target annual bonus, an outstanding pension scheme, equalized family leave, 2 weeks paid carers leave, and a holiday purchase scheme.

last updated 30 week of 2026