Cyber Software Engineer - SC / DV / eDV Cleared
New Permanent Opportunity for Cyber Software Engineers in Gloucester with Security Clearance to work on Mission-Critical, National Security projects
Role: Cyber Software Engineer
Location: Gloucester (hybrid)Clearance: SC, MOD DV or eDV
To apply: Email:
We are looking for a Cyber Software Engineer to join a team delivering high-assurance cyber capabilities into UK defence and national security environments. This role is focused on operational technology (OT) cyber projects, working close to real systems and real users.
You'll be part of a highly cleared engineering team developing secure, robust software where correctness, performance and assurance genuinely matter.
What you'll be doing
Developing high-assurance software in C++ for cyber and security-critical systems
Working on operational technology cyber projects, not just enterprise IT
Contributing to secure system design, implementation and verification
Collaborating with cyber specialists, systems engineers and end users
Supporting software through its full lifecycle in classified environments
Essential skills & experience
Strong C++ software engineering experience
Background in secure / high-assurance systems (defence, cyber, safety-critical or similar)
Solid understanding of secure coding practices and software design
Comfortable working in on-site, classified environments
Active SC, DV or eDV clearance
Nice to have
Experience with Golang and/or Rust
Cyber security qualifications such as CEH, OSCP or similar
Vulnerability research and/or reverse engineering experience
Exposure to OT environments, embedded systems or low-level development
Experience working with MOD or national security customers
Why this role
Work on genuinely operational cyber projects with real-world impact
High-trust, highly technical engineering environment
Long-term programmes with stability and purpose
Gloucester-based role with a strong on-site engineering culture