Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. We are looking for a Staff Software Engineer to join our dynamic team at Graphcore Ltd. This role offers a ground breaking opportunity to work on powerful AI technologies and be part of a company that is at the forefront of innovation. Your contributions will be crucial in driving the development of our next-generation products! The Team Our Driver QA team focuses on verifying and validating low-level kernel drivers, user space libraries, and platform tools. We work closely with different development groups to cover tests from component levels through user acceptance and systems. Our responsibilities include hardware and firmware at the lower stack levels, along with the ML stack, Kubernetes, and cloud management teams at the higher levels. This teamwork encourages ongoing learning and innovation. Responsibilities Act as a technical authority in crafting test features and contributing to the test infrastructure to ensure scalability and reproducibility. Build, implement, and complete high-quality tests to maintain a high-quality gate for production code. Take ownership of technically challenging areas, ensuring near 100% coverage. Perform initial triage and debugging of bugs using hardware and software debuggers and simulators/emulators. Review and improve code, build, and implementation processes across the team. Work closely with both lower and upper stack teams to grasp use-cases and guarantee all requirements are fulfilled. Develop acceptance tests covering use-cases across teams using our drivers. Convey intricate technical ideas clearly to both expert and non-expert audiences. Ensure correctness, robustness, security, and maintainability of our solutions. Contribute to improvements in validation frameworks, CI/CD systems, automated testing, and packaging. Drive root-cause investigations and long-term corrective actions for all incoming issues. Mentor junior engineers, raising quality and coding standards through mentorship and established guidelines. Requirements 10+ years of industry experience in validating Linux kernels and/or device drivers. Proficiency in test development using C++ and Python. Experience with CI/CD, build tools, and modern testing practices. Proven ability to work in an agile environment, delivering complex solutions at pace. Outstanding problem-solving skills and a track record of tackling complex cross-layer issues. Strong communication skills and the ability to detail technical concepts clearly. Differentiators Experience with server-class systems. Familiarity with Qemu or similar emulator environments. Experience with Kubernetes or OpenStack. We welcome people of different backgrounds and experiences; we’re committed to building an inclusive work environment that makes Graphcore a great home for everyone. We offer an equal opportunity process and understand that there are visible and invisible differences in all of us. We can provide a flexible approach to interview and encourage you to chat to us if you require any reasonable adjustments.