Principal Product Engineer

<p class="PDq2pG_selectionAnchorContainer" data-start="135" data-end="148"><strong>About the job</strong></p> <p data-start="150" data-end="247">Turn complex manufacturing data into higher yield, stronger quality and better products at scale.</p> <p data-start="249" data-end="481">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.</p> <p data-start="483" data-end="663">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.</p> <p data-start="665" data-end="875">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.</p> <p data-start="877" data-end="1058">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.</p> <p data-start="1060" data-end="1080"><strong>The team and culture</strong></p> <p data-start="1082" data-end="1276">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.</p> <p data-start="1278" data-end="1462">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.</p> <p data-start="1464" data-end="1653">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.</p> <p data-start="1655" data-end="1677"><strong>What we're looking for</strong></p> <p data-start="1679" data-end="2328">· Strong semiconductor product engineering, test engineering or manufacturing engineering capability in high volume production<br>· Deep understanding of semiconductor, PCBA and system level manufacturing and testing<br>· Strong statistical analysis skills, including SPC, DOE, regression, hypothesis testing and six sigma methods<br>· Proven ability to analyse and visualise large manufacturing datasets using Python, SQL, JMP or similar tools<br>