Senior Network Security Engineer

Role Overview

Senior Network Security Engineer. Deliver high-assurance, security‑critical solutions within regulated and sovereign UK contexts. This full‑time, permanent, hybrid (2‑3 days/week) role is based in Bristol with occasional business travel across the UK.

What you’ll do:

• Design and deliver secure network architectures for controlled environments.
• Engineer secure browsing and remote access solutions.
• Define and implement firewall policies, DNS design, and traffic control.
• Apply Zero Trust principles to network access and service exposure.
• Support secure data flows and one‑way transfer mechanisms.
• Collaborate with DevOps and platform teams to integrate networking and security controls.
• Act as a technical authority on secure connectivity and network risk.

Core requirements:

• Proven experience in network security engineering within high‑assurance or r...