Principal Systems Test Operations Engineer

About the job Shape how Graphcore’s high-performance systems are tested, diagnosed and proven ready for production. You’ll lead the technical direction for system-level manufacturing test. You’ll turn product requirements into robust test strategies for manufacturing partners. Your work will directly influence product quality across boards, blades and rack-level systems. You’ll solve complex test issues and drive improvements across products. You’ll define, deploy and maintain test platforms, fixtures and diagnostic solutions. You’ll also partner with hardware, software and manufacturing teams. This role combines hands-on technical depth with broad influence. You’ll shape future test strategy while helping other engineers raise the bar. The team and culture The Product Test and Diagnosis team finds and manages hardware defects across chips, boards and finished systems. Its work spans manufacturing sites and deployed products. You’ll work closely with engineering teams and manufacturing partners to solve problems quickly. Decisions are driven by evidence, technical judgement and root cause analysis. You’ll have ownership of complex problems and the scope to challenge existing approaches. You’ll also mentor engineers and establish practical standards across teams. What we’re looking for Essential Proven experience in PCBA and system product validation, including in manufacturing testing within production environments. Strong understanding of electronics fundamentals, PCBA/blade/rack-level manufacturing processes, and associated failure mechanisms. Proficient with Linux command-line environments and technical troubleshooting. Experienced in the local and remote operation of test equipment, including oscilloscopes, DMMs, clock generators, SMUs, and PSUs. Proven problem-solving, communication, and presentation skills, with the ability to perform effectively in fast-paced, complex environments. Desirable Strong knowledge of high-speed interconnects, including PCIe Gen5/6 and Ethernet, as well as DC-SCM and IPMI. Experience with server and data-centre-level functional testing. Experience developing and working with manufacturing test programs at platform level. Proficiency in general-purpose programming languages such as C, Python, and Java, with experience using Git revision control. Experience with Statistical Process Control (SPC) and associated tools, including run charts and control charts. Benefits Unlimited annual leave Medical & Life Insurance Eye Care Cover Annual Health Assessment Phantom equity – share in Graphcore’s success Office spaces designed for collaboration Inclusion statement We welcome people from all backgrounds and experiences and are committed to building an inclusive environment where everyone can do their best work. We’re an equal opportunity employer and recognise that everyone brings different strengths and perspectives. If you need any adjustments during the interview process, just let us know - we’re happy to support you. Join the Team at Graphcore Graphcore is building the compute platform for the next generation of artificial intelligence. From advanced silicon to intelligent software, our technology is designed to unlock breakthroughs in AI and bring its benefits to every industry. As part of the SoftBank Group, we’re backed by one of the world’s most ambitious technology investors, working alongside companies shaping the future of AI. Together, we share a bold goal: to help enable artificial superintelligence and ensure it delivers meaningful impact at a global scale. At Graphcore, you’ll work with people who are pushing the boundaries of what’s possible. Our teams bring together AI researchers, chip designers, software engineers and systems experts from a wide range of backgrounds. It’s an environment where we take on big challenges with curiosity and focus, move quickly and decisively, take real ownership of our work, and speak up to challenge ideas—stepping up to support each other and lead throu…