Job Description Embedded Software Engineer – Linux / C++ / Embedded Cambridge, UK - Onsite (4–5 days per week) £65 - £85 per hour (SC Cleared, mid–senior level) Initial 6 months (strong likelihood of extension) Active SC clearance required (mandatory) An opportunity has arisen for an experienced Software Engineer to join a highly technical engineering environment delivering advanced systems within the UK defence and national security sector. This role is suited to a mid–senior level engineer with a strong Linux and embedded software background who can integrate quickly into an established team and provide immediate impact. The position is fully onsite in Cambridge (minimum 4 days per week). This is not an FPGA-focused role. The requirement is for a broad, capable software engineer with strong low-level and systems experience. Key Responsibilities: Development of software in Linux-based environments C++ application development for complex systems Embedded C development for hardware-adjacent systems Python development for tooling, automation and test Development and maintenance of GUI applications Integration, debugging and system-level testing Working closely with electronics and systems engineers in a multidisciplinary team Supporting delivery within a secure, defence environment Essential Experience: Active SC clearance Strong C++ development experience Embedded C experience Linux development environment experience Python scripting and automation experience GUI development experience (Qt or similar beneficial) Experience working within defence, aerospace or national security environments Ability to work onsite in Cambridge 4–5 days per week Desirable Experience: Experience integrating software with custom hardware Real-time systems exposure Knowledge of secure development practices Experience working within consultancy or R&D environments Candidate Profile: Broad technical exposure across systems and software Able to contribute quickly with minimal supervision Strong debugging and problem-solving capability Comfortable working in fast-paced, technically demanding environments