Lead Network Engineer (DV)
CV-LibraryHemel HempsteadcontractPosted: 8 April 2026
Apply NowLead Network Engineer (DV Cleared)
Security Clearance: Must hold active DV Clearance
We are seeking an experienced Lead Network Engineer to join a high-performing team delivering critical infrastructure solutions within a secure environment. This is a senior, hands-on role suited to an individual with deep technical expertise and strong leadership capability.
Key Responsibilities
Lead the design, implementation, and support of secure network solutions
Produce low-level designs (LLD) to a production-ready standard
Act as the technical authority across network infrastructure and security domains
Own and drive complex delivery workstreams within secure programmes
Provide mentoring and technical leadership to engineering teams
Ensure all solutions meet stringent security and compliance requirements
Required Skills & Experience
Active DV Clearance (essential)
Strong expertise in Cisco networking technologies (routing, switching, firewalls)
Proven experience with F5 (LTM, GTM, ASM desirable)
Solid understanding of cryptographic technologies and secure communications
Extensive experience producing Low-Level Designs (LLD) for production environments
Demonstrable experience working in highly secure or classified environments
Strong troubleshooting and problem-solving capability across complex networks
Security Clearance: Must hold active DV Clearance
We are seeking an experienced Lead Network Engineer to join a high-performing team delivering critical infrastructure solutions within a secure environment. This is a senior, hands-on role suited to an individual with deep technical expertise and strong leadership capability.
Key Responsibilities
Lead the design, implementation, and support of secure network solutions
Produce low-level designs (LLD) to a production-ready standard
Act as the technical authority across network infrastructure and security domains
Own and drive complex delivery workstreams within secure programmes
Provide mentoring and technical leadership to engineering teams
Ensure all solutions meet stringent security and compliance requirements
Required Skills & Experience
Active DV Clearance (essential)
Strong expertise in Cisco networking technologies (routing, switching, firewalls)
Proven experience with F5 (LTM, GTM, ASM desirable)
Solid understanding of cryptographic technologies and secure communications
Extensive experience producing Low-Level Designs (LLD) for production environments
Demonstrable experience working in highly secure or classified environments
Strong troubleshooting and problem-solving capability across complex networks