Hardware Validation & Debug Engineer
Graphcore is a Bristol-based AI chipmaker (IPU accelerators), a SoftBank subsidiary and a Molten Ventures portfolio company.
Maintainer signals as of 8/20/2026
About Graphcore
Graphcore (graphcore.ai) is a British semiconductor company building Intelligence Processing Units (IPUs) for AI workloads. Founded in Bristol in 2016, it was acquired by SoftBank in 2024. It is a portfolio company of Molten Ventures.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will validate and debug Graphcore’s silicon platforms in the lab before they support advanced AI workloads. You will lead system validation, investigate PCIe, Ethernet, and SerDes issues, perform root-cause analysis, and work across architecture, silicon, hardware, and firmware teams to bring new platforms into operation.
Requirements
- Experience validating and debugging complex hardware systems
- Experience with PCIe Root Complex bring-up, debugging, and protocol analysis
- Experience debugging Ethernet SerDes systems and high-speed interfaces
- Proficiency with oscilloscopes, BERT systems, VNA/TDR equipment, and protocol analysers
- Root-cause analysis across signal integrity and subsystem issues
- Ability to work independently and drive technical issues across multiple teams
Responsibilities
- Lead hands-on system validation in the lab
- Debug PCIe, Ethernet, and SerDes issues
- Drive root-cause analysis
- Bring new hardware platforms into operation
- Work with architecture, silicon, hardware, and firmware teams
Benefits
- Unlimited annual leave
- Up to 5% matched pension
- Phantom equity
- Flexible work arrangements
- Free food
- On-site barista
- Health cash plan
- Income protection
- Life assurance
- Private medical insurance
- Dental plan