Principal Product Engineer

About the Position

Principal Product Engineer

Bristol, UK

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 optimized 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.

Responsibilities

• Guide product performance through launch, production ramp, and sustained high-volume manufacturing.
• Influence chip manufacturing, test, PCBA, and system-level production.
• Help teams find signals that improve reliability, reduce cost, and protect quality.
• Partner with OSATs, test engineering, manufacturing, quality, data engineering, and analytics teams.
• Release new products and solve difficult yield, test, and manufacturing challenges.

Requirements

• 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 analyze and visualize 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.

We Offer

• 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.

About the Company

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.