Advanced Mechanical Design Engineer (Thermal Runaway)

ABOUT THE JOB Help bring the next generation of AI hardware from design into high volume manufacturing. You'll lead the industrialisation of advanced thermal cooling solutions for AI compute processors and accelerator systems. Your work will ensure designs can be built reliably, validated efficiently, and scaled for production. You'll shape manufacturing processes for cold plates, thermal interface materials, and mechanical assemblies. You'll work closely with design teams, manufacturing partners, and specialist suppliers to solve complex engineering challenges. This role offers broad technical ownership and the opportunity to influence products from development through to manufacturing deployment across a global supply chain. THE TEAM AND CULTURE You'll join the Manufacturing Technology team within Manufacturing Operations. The team works across Bristol, Cambridge, India, Taiwan, and the US to develop robust manufacturing processes for advanced hardware. Day to day, you'll work closely with engineering, operations, quality teams, and manufacturing partners. Decisions are driven by technical evidence, testing, and continuous improvement. You'll take ownership of manufacturing readiness, solve issues during build cycles, and help improve quality, yield, and production capability. WHAT WE'RE LOOKING FOR ESSENTIAL:  * Strong experience in thermal, mechanical and/or manufacturing engineering  * Experience bringing complex electromechanical products from development into high-volume production.  * Strong understanding of thermal management technologies for high-power electronics, including:  * Liquid cooling systems, cold plates and vapour chambers  * Heat sinks and heat spreaders  * Thermal interface materials (TIMs)  * Mechanical retention and mounting systems  * Solid understanding of thermal management principles (heat transfer, cooling solutions, TIMs, etc.)  * Experience with DFM (Design for Manufacture), manufacturing processes, assembly, and tolerancing  * Master’s degree in Mechanical Engineering, Thermal Engineering, Manufacturing or a related discipline  DESIRABLE:  * Experience with thermal and/or mechanical simulation tools (CFD / FEA)  * Knowledge of PCB design and manufacturing technology  * Knowledge of qualification and reliability testing of mechanical and thermal assemblies  BENEFITS * Unlimited annual leave * Up to 5% matched pension * Phantom equity – share in Graphcore's success * True flexibility in how and where you work * Office spaces designed for collaboration * Free food and an on-site barista * Health cash plan * Income protection * Life assurance * Along with other benefits you can choose from (private medical insurance, dental plan etc) 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 through action. If you want to help bring advanced AI hardware into production at scale, we'd love to hear from you. Apply now to join Graphcore.

About the job Own the reliability strategy behind advanced AI silicon built for datacenter scale. Graphcore is expanding the hardware platforms that will power the next generation of AI compute. As Senior Semiconductor Reliability Engineer, you will lead reliability strategy across advanced silicon nodes and packaging technologies. You will shape reliability from technology selection and design enablement through bring-up, qualification and manufacturing. Your work will help complex, high-performance devices move from ambitious design into robust production. You will assess risk, guide sign-off, lead qualification and drive failure analysis across silicon, interconnect and package technologies. This is a rare role at the centre of device physics, design, packaging and manufacturing. The team and culture You will work across silicon, packaging, manufacturing and quality, connecting technical detail with product-level decisions. Work moves through direct ownership, clear evidence and fast escalation when risks need attention. Decisions are grounded in data, modelling, qualification results and open technical debate. You will be expected to speak up, challenge assumptions and turn complex findings into clear next steps. This is a role for someone who thinks beyond individual tests. You will help build stronger reliability methods and mentor others as Graphcore scales advanced AI hardware platforms. What we’re looking for · Bachelor’s or Master’s degree in Electrical Engineering, Materials Science, Physics, Mechanical Engineering, or a related field · Strong semiconductor reliability experience across silicon, BEOL, interconnect or advanced package technologies · Deep understanding of mechanisms such as EM, TDDB, BTI and HCI · Hands-on experience with HTOL, thermal cycling, thermal shock, reflow testing and JEDEC reliability standards · Ability to use X-ray and CSAM analysis to diagnose package defects and support root-cause analysis · Strong technical judgement, communication skills and ownership across foundries, OSATs, labs and internal teams While we have outlined a set of requirements, we value transferable skills and diverse experiences. If you meet most of our essential criteria, we encourage you to submit an application and showcase how your background makes you a strong candidate. Benefits · Flexible working: Balance your work and personal life with greater flexibility · Generous leave: Take time to rest, recharge and enjoy life outside of work · Retirement planning support: Up to 5% matched pension · Phantom equity: Share in Graphcore’s success · Workplace experience: Enjoy thoughtfully designed office spaces for collaboration, with free food and an on-site barista to support your day · Peace of mind protection: Income protection and life assurance to provide financial security for you and your loved ones · Flexible benefits: Tailor your benefits package with a choice of additional options, including private medical insurance and dental cover · Optional benefits: Dental cover, health cash plan, private medical insurance, cycle to work scheme, give as you earn 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. Sponsorship We offer sponsorship for this role. Join the Team at Graphcore 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 brings together deep expertise to solve complex problems and deliver meaningful progress in AI compute. If you want to shape the reliability foundations of advanced AI silicon at Graphcore, we’d love to hear from you. Apply now to be part of the journey.