Cyber Software Engineer – SC / DV / eDV Cleared
New Permanent Opportunity for Cyber Software Engineers in Cheltenham with Security Clearance to work on Mission-Critical, National Security projects
- Role: Cyber Software Engineer
- Location: Cheltenham or Gloucester (hybrid)
- Clearance: SC, MOD DV or eDV
- To apply: Email: dominic.barbet@searchability.com
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 experienceExposure 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
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