Hardware Validation and Debug Engineer DDR

Graphcore is a SoftBank-owned AI-compute company developing AI processors, systems, and software for machine-learning workloads.

Series ERecently funded0 current maintainers0 active leadsTeam intelligence

Maintainer signals as of 9/25/2026

Bristol, United Kingdom
About Graphcore

Graphcore develops Intelligence Processing Units (IPUs) and the Poplar SDK for building and running machine-learning applications. It continues operating under the Graphcore name as a wholly owned SoftBank Group subsidiary.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will create and execute validation and debug plans for hardware platforms. You will investigate failures, tune LPDDR memory subsystems, perform board bring-up, diagnose PCB, power, and signal-integrity issues, and communicate corrective actions across hardware and firmware.

Requirements

  • Hands-on hardware debug experience, including board bring-up and subsystem debug
  • Experience validating and tuning LPDDR memory subsystems
  • Ability to debug PCB, power, signal integrity, and interface issues to root cause
  • Knowledge of DDR training, timing optimisation, margin analysis, eye diagrams, and stability validation
  • Experience using high-bandwidth oscilloscopes, BERT systems, and VNA/TDR equipment
  • Ability to work independently and drive issue resolution

Responsibilities

  • Create and execute hardware validation and debug plans
  • Perform board bring-up and subsystem debugging
  • Validate and tune LPDDR memory subsystems
  • Investigate PCB, power, signal integrity, and interface issues
  • Perform root cause analysis
  • Use lab instrumentation to diagnose hardware issues
  • Drive issue resolution across hardware and firmware teams
  • Produce clear debug reports

Benefits

  • Flexible working
  • Generous leave
  • Up to 5% matched pension
  • Phantom equity
  • Office spaces with free food and an on-site barista
  • Income protection and life assurance
  • Private medical insurance
  • Dental cover
  • Health cash plan
  • Cycle to work scheme
  • Give as you earn