Cyber Software Engineer

Salary: £80,000 - 80,000 per year

Requirements:

• Strong experience with at least one programming language such as C++, Java, or C#.
• Experience with scripting languages including Python, JavaScript, Perl, or PowerShell.
• Understanding of software development practices including unit testing, CI/CD, source control, and debugging.
• Knowledge of operating systems and core computing principles.
• Ability to work collaboratively and communicate technical concepts effectively.
• A strong interest in cybersecurity and secure software development.
• Must be eligible for UK SC and DV Clearance.

Responsibilities:

• Design, develop, test, and document secure software solutions.
• Apply secure development practices throughout the software lifecycle.
• Contribute to peer reviews, technical collaboration, and knowledge sharing.
• Identify vulnerabilities and implement effective security mitigations.
• Work with emerging technologies and programming languages to deliver innovative solutions.

Technologies:

• C#
• CI/CD
• Support
• Java
• JavaScript
• Perl
• PowerShell
• Python
• Security

More:

We are a highly skilled Operational Cyber team working on some of the UKs most complex cyber security challenges. We develop innovative solutions that support critical national security missions and work alongside experts in high-assurance development, vulnerability research, and cyber operations. We offer full training, mentorship, and development support, a dedicated training budget for specialist cyber training, flexible working options including part-time opportunities, a competitive benefits package, clear career progression, and the chance to make a real impact on national security projects. This is an on-site role based in London, Manchester, or Gloucester.

last updated 30 week of 2026