Power Integrity Engineer

About the job Shape the power delivery that will make Graphcore’s next-generation AI compute systems reliable. As a Power Integrity Engineer, you will analyse power-delivery networks across silicon, package and PCB, turning complex behaviour into practical design recommendations. You will build PDN models, investigate parasitics, and use frequency-domain and time-domain analysis to understand stability, droop, resonances and transient response. Your work will directly inform decoupling, layout, and power and ground distribution choices.

You will use electromagnetic simulation to understand resistance, inductance, coupling and impedance. You will also validate assumptions, identify technical risks, and connect simulation results with hardware measurements. You will start with clearly scoped PI problems, supported by experienced engineers when wider decisions are involved. As your capability grows, you will own larger parts of the PDN. The team and culture You will work alongside experienced PI engineers and colleagues across hardware disciplines, connecting analysis with real design decisions and measurements.

You will own defined technical problems and move quickly from modelling to recommendations. Decisions are grounded in evidence, physical understanding and clear communication of uncertainty. You will contribute to design reviews, speak up when results expose risk, and take responsibility for the quality of your analysis.

• Build, integrate and analyse PDN models for defined power rails, package structures, PCB designs or subsystems.
• Use frequency-domain impedance analysis and time-domain simulation to investigate voltage stability, droop, resonances and transient response.
• Evaluate decoupling choices and placement, considering capacitance, parasitics and the interaction between silicon, package and PCB.
• Use electromagnetic simulation to extract and understand resistance, inductance, coupling and impedance in power and ground structures.
• Check model setup, assumptions, convergence and physical validity, and explain the limitations of your results.
• Translate findings into practical recommendations for decoupling, layout, power and ground distribution, and other PI design choices.
• Document results, identify technical risks and contribute to design reviews and PI verification.
• Work with test engineers to define relevant measurements, interpret results and investigate differences between simulation and hardware.
• Collaborate with PI, SI While we have outlined a set of requirements, we value transferable skills and diverse experiences. We also welcome engineers returning to the profession after a career break, including through returnship routes.

• 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
• Electric Vehicle Scheme: Choose an electric vehicle and lease it through salary sacrifice
• 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. 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 reliable power delivery for the next generation of AI compute systems, we’d love to hear from you. Apply now to help build what comes next.

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