Senior software engineer

Senior Software Engineer Location: Manchester Clearance: Must be eligible for SC Clearance / Already hold SC Clearance To Apply: Please submit your CV to the recruitment team quoting the role title. 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 challenges Required Skills & 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