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Senior Software Engineer
Location: Gloucester
Clearance: Must be eligible for SC Clearance / hold SC Clearance
To Apply: Email – [email protected]
Overview
A leading cyber and national security organisation is seeking experienced Software Engineers to join a highly skilled operational cyber team delivering mission-critical capabilities across a range of secure programmes.
This role offers the opportunity to work on some of the UK’s most challenging cybersecurity projects, developing high-assurance software solutions that directly support national security operations. The team works across a broad range of technologies, platforms, and secure environments, with strong investment in training and career development.
Key Responsibilities
- Design, develop, test, and maintain secure, high-assurance software solutions
- Work within collaborative engineering teams to deliver customer-focused capabilities
- Conduct peer reviews and support mentoring of junior engineers
- Apply secure development principles throughout the software lifecycle
- Contribute to CI/CD and automated testing practices
- Identify potential security vulnerabilities and recommend mitigations
- Work with emerging technologies and adapt to evolving technical challengs
Required Skills andamp; Experience
- Strong software engineering experience using languages such as C++, Java, or C#
- Experience with utility or scripting languages such as Python or JavaScript
- Familiarity with development tools including IDEs, source control, and debuggers
- Understanding of secure or high-assurance development principles
- Experience with testing methodologies, CI, and modern software engineering practices
- Ability to work across multiple operating systems and technologies
- Strong communication and collaboration skills
Benefits
- Dedicated training budget in your first year
- Opportunities to attend major cybersecurity conferences and specialist training
- Flexible working arrangements and strong work-life balance
- Minimum 25 days holiday plus bank holidays
- Private medical and dental insurance
- Competitive pension scheme
- Additional flexible benefits package including cycle to work scheme and wellbeing support
- Clear progression pathways and ongoing career development