Hardware Validation & Debug Engineer

About the Position

Hardware Validation & Debug Engineer

Location: Bristol, UK

Debug the high-speed interfaces that decide whether advanced AI systems perform in the real world.

As a Validation and Debug Engineer, you will help prove Graphcore silicon and platforms work across real product conditions. You will build deep knowledge of our devices, boards, and system behavior.

You will own hands-on validation and debug in the lab, focused on SerDes, PCIe Root Complex, and Ethernet. Your work will help resolve complex issues across silicon, hardware, firmware, and architecture teams.

This role is for someone who enjoys getting close to the hardware. You will tune links, investigate failures, and turn difficult lab findings into clear engineering decisions.

Responsibilities

• Validate and debug high-speed interfaces for advanced AI systems
• Build deep knowledge of devices, boards, and system behavior
• Own hands-on validation and debug in the lab
• Resolve complex issues across silicon, hardware, firmware, and architecture teams
• Tune links, investigate failures, and turn lab findings into clear engineering decisions

Requirements

• Strong hands-on hardware validation experience, including board bring-up and subsystem debug
• Experience validating and debugging Ethernet, PCIe Root Complex, and SerDes systems
• Confident use of lab instrumentation, including oscilloscopes, BERT systems, VNA/TDR equipment, and PCIe protocol analyzers
• Ability to debug signal integrity, protocol-level, and interface issues through to root cause
• Experience with PCIe bring-up, LTSSM analysis, link training, equalization tuning, and interoperability testing
• Ability to work independently, take responsibility, and drive issue resolution across teams

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 help validate the hardware foundations of next-generation AI compute, we’d love to hear from you. Apply now to join Graphcore.