About this role
Salary: £85,000 - 85,000 per year
Requirements: Strong commercial software engineering experienceProficiency in at least one core language such as C++, Java or C#Experience with Python, JavaScript, PowerShell or similar scripting languagesUnderstanding of secure software development and software engineering best practicesExperience with testing, CI/CD and version control toolsAbility to work across Linux and Windows environmentsStrong problem-solving skills with the ability to communicate technical concepts clearlyCurrent DV clearance, or eligibility and willingness to undergo DV clearance Responsibilities: Design and develop secure software using modern engineering practicesBuild robust, high-assurance solutions across complex operational environmentsWork with Agile teams to deliver mission-critical capabilitiesConduct peer reviews and contribute to technical leadership across projectsIdentify security risks during design and implementation, ensuring secure-by-design principles are embedded throughout developmentExplore new technologies and apply them to challenging cyber problems Technologies: C#CI/CDEmbeddedJavaJavaScriptLinuxPowerShellPythonSecurityWindowsC++Support More:
We are a leading organisation at the forefront of National Security, hiring experienced Software Engineers to join our Operational Cyber team in London. This is an on-site role working on highly classified programmes that develop mission-critical capabilities supporting the UKs national security. You will join a multidisciplinary team tackling complex technical challenges across software engineering, cyber and secure systems development. We offer a competitive package including a £60,000-£85,000 base salary, company bonus, DV bonus, pension and medical coverage.
last updated 30 week of 2026