Hardware Validation and Debug Engineer DDR
Graphcore is a SoftBank-owned AI-compute company developing AI processors, systems, and software for machine-learning workloads.
Maintainer signals as of 9/25/2026
Funding history
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.
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
