About the job
Turn complex manufacturing data into higher yield, stronger quality and better products at scale.
As Principal Product Engineer, you will help Graphcore manufacture advanced products with optimised yield, quality and cost. You will guide product performance through launch, production ramp and sustained high volume manufacturing.
Your work will influence chip manufacturing, test, PCBA and system level production. You will help teams find the signals that improve reliability, reduce cost and protect quality.
You will partner with OSATs, test engineering, manufacturing, quality, data engineering and analytics teams. Together, you will release new products and solve difficult yield, test and manufacturing challenges.
This role suits someone who enjoys deep technical ownership and practical impact. You will turn manufacturing data into action across silicon, boards, blades and rack scale systems.
The team and culture
You will join the Product Test and Diagnosis team within Manufacturing Operations. The team spans Bristol, Cambridge, India, the US and Taiwan, working close to products and production partners.
Work happens through direct ownership, technical depth and clear decisions. You will define best practice, challenge assumptions and move quickly when yield or quality needs attention.
The team connects silicon, board level assemblies, server blades and rack scale systems. Decisions are grounded in data, engineering judgement and accountability for manufacturing outcomes.
What we're looking for
· Strong semiconductor product engineering, test engineering or manufacturing engineering capability in high volume production
· Deep understanding of semiconductor, PCBA and system level manufacturing and testing
· Strong statistical analysis skills, including SPC, DOE, regression, hypothesis testing and six sigma methods
· Proven ability to analyse and visualise large manufacturing datasets using Python, SQL, JMP or similar tools
· Experience driving yield, quality or cost improvements across complex manufacturing processes
· Ability to work across test, manufacturing, quality, data and external partner teams with clear technical ownership
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
Applicants must have the legal right to work in the UK. Unfortunately, we are unable to provide visa sponsorship or support visa applications 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 turn manufacturing insight into better products at scale, we’d love to hear from you. Apply now to help shape product engineering at Graphcore.
Skills Required
- Solid experience in semiconductor product engineering, test engineering, or manufacturing engineering
- Solid experience in high-volume semiconductor/electronics manufacturing, data visualization tools, and manufacturing systems/databases
- Solid understanding of semiconductor, PCBA and system level manufacturing and testing
- Solid expertise in statistical analysis and six sigma methodologies
- Proficiency in data tools such as Python, SQL, JMP, or similar
- Degree in Electrical Engineering, Computer Science, Physics or similar
Graphcore Compensation & Benefits Highlights
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Healthcare Strength — Private medical insurance, comprehensive dental/vision, a health cash plan, and mental wellbeing support are listed as standard, with day-one coverage and Spring Health/EAP support noted for the U.S. Life assurance and income protection add further protection for serious illness or injury.
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Leave & Time Off Breadth — Flexible working hours and “unlimited annual leave” are explicitly stated. U.S. materials also note flexible PTO and 11 paid holidays.
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Retirement Support — Retirement programs include a U.K. pension match up to 5% and a U.S. 401(k) with a 100% company match up to 6% (with a year-end true-up). These provisions signal a meaningful employer contribution toward long-term savings.
Graphcore Insights
What We Do
At Graphcore, we’re building the future of AI compute. We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at datacenter scale. As part of the SoftBank Group, backed by significant long-term investment, we are delivering key technology into the fast-growing SoftBank AI ecosystem. To meet the vast and exciting AI opportunity, Graphcore is expanding its teams around the world. We are bringing together the brightest minds to solve the toughest problems, in a place where everyone has the opportunity to make an impact on the company, our products and the future of artificial intelligence.
Why Work With Us
Our team is at the forefront of the machine intelligence revolution, enabling innovators from all industries to build AI-native products to expand human potential. What we do at Graphcore really makes a difference.
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Graphcore Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
At Graphcore, we value wellbeing and flexibility to support a healthy work/life balance. Our hybrid approach encourages office-based colleagues to work onsite three days a week, with trusted flexibility built on trust and transparency for everyone.





