> Markdown version of [/jobs/ext/3765608-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/3765608-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** QINETIQ LIMITED - **Location:** UK - **Experience:** Expert - **Salary:** £64,350.0 - £71,500.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Agile Methodology, Systems Engineering, C++ (Programming Language), Code Review, DevOps, Device Drivers, Hardware Interface Design, Linux System Administration, Scrum Methodology, Software Architecture, Software Engineering, Software Systems, System Programming, Computer Equipment, Information Technology - **Published:** October 16, 2026 - **Apply:** https://www.totaljobs.com/job/senior-software-engineer/qinetiq-job108182785 ## About the Role Essential experience of the Senior Software Engineer : Strong software development experience using C and C++ Experience developing software within Linux environments Experience designing and architecting software solutions for complex systems Experience developing software that interfaces directly with hardware devices and platforms Knowledge of device driver development and low-level software engineering principles Experience working within Agile, DevOps or modern software delivery environments, Degree in Computer Science, Software Engineering or a related discipline, or equivalent industry experience Significant software engineering experience operating at Senior Software Engineer level Demonstrable experience providing technical leadership, mentoring or architectural guidance We value difference and we don't have a fixed idea when it comes to background or education, provided you can show the required level of experience and willingness to learn then we would like to hear from you. ## Description As a Senior Software Engineer, you'll play a key role in developing the next generation of software solutions that support advanced defence and radar technologies. Working within a highly skilled engineering team, you'll help design, develop and deliver software that interacts directly with specialist hardware systems, influencing technical direction while mentoring engineers and driving engineering excellence. Day-to-day, you'll contribute across the full software development lifecycle, from architecture and design through to implementation, optimisation, testing and deployment. You'll work closely with software, hardware and systems engineers to solve complex technical challenges and deliver high-quality solutions for nationally significant programmes. Your responsibilities will include: Designing, developing and maintaining high-quality software solutions across Windows and Linux environments Developing low-level software, device drivers and hardware interfaces for specialist systems Contributing to software architecture, technical strategy and long-term product development Leading code reviews and promoting software engineering best practice across the team Supporting Agile delivery activities including sprint planning, estimation and technical decision-making Mentoring and supporting engineers while fostering a culture of continuous improvement