About this role
Salary: £80,000 - 80,000 per year
Requirements: Commercial experience in software engineering.Strong programming skills in at least one language such as C++, Java or C#.Experience with utility or scripting languages such as Python, JavaScript or PowerShell.Knowledge of Linux, Windows or multiple operating systems.Experience with development tools, source control, testing and CI/CD practices.An understanding of secure or high-assurance software development principles.Strong problem-solving and communication skills.The ability to learn new technologies quickly and work effectively within technical teams.Eligibility to obtain UK eDV security clearance.Right to work in the UK.Desirable experience in cyber security or secure systems development.Desirable experience in low-level software engineering or vulnerability research.Desirable experience in reverse engineering or security-focused development.Desirable experience working within defence, national security or highly regulated environments. Responsibilities: Design and develop secure, high-quality software solutions.Deliver robust and well-tested code using modern development practices.Collaborate with multidisciplinary teams and mentor junior engineers.Identify security risks during design and implementation and develop appropriate mitigations.Work with emerging technologies and adapt to new tools, languages and techniques.Contribute to continuous integration and software assurance activities. Technologies: C#CI/CDSupportJavaJavaScriptLinuxPowerShellPythonSecurityWindows More:
We are hiring Operational Cyber Software Engineers to join a highly skilled team delivering mission-critical capabilities across some of the UKs most challenging cyber and national security programmes. We offer onsite roles in Gloucester, Manchester or London with a salary of £60,000 to £83,000 plus excellent benefits. You will work alongside experts in software engineering, vulnerability research and cyber security on projects with real-world impact. We provide a dedicated training budget in your first year, opportunities to attend leading cyber security conferences and specialist training, clear career progression, ongoing mentorship, flexible working arrangements including part-time opportunities, a competitive pension and private healthcare package, and a minimum of 25 days annual leave plus additional benefits. We contribute to projects that directly support UK national security.
last updated 31 week of 2026