Principal Debug Validation Engineer
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Graphcore
Graphcore is a Bristol-based AI chipmaker (IPU accelerators), a SoftBank subsidiary and a Molten Ventures portfolio company.
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 bring up first silicon, design and debug validation tests in bare-metal C and C++ on FPGA or emulator platforms, deploy tests on first silicon, develop Python automation and regression suites, analyse failures, improve validation infrastructure and guide other engineers.
Requirements
- Understanding of ML applications and workloads
- Strong bare-metal or embedded C/C++ experience
- Experience with post-silicon validation in digital ASIC environments
- Python skills
- Linux skills
- Excellent problem-solving skills
- Analytical and diagnostic skills
- Ability to identify root causes across teams and programming languages
- Excellent communication skills
- 5 to 10 years’ experience
- Experience building and leading multi-site teams
- Driver-level experience with PCIe, Ethernet, LPDDR, DDR, HBM, I2C, I3C or SPI
- Knowledge of PLLs, high-speed PHYs and IC control or communication protocols
- Experience with Arm CPUs, system IP and debug tools
- Experience with AMBA protocols
- Experience in characterization, failure analysis, test development or statistical analysis
Responsibilities
- Plan and design silicon validation tests
- Develop and debug bare-metal C/C++ tests on FPGA or emulator platforms
- Deploy validation tests on first silicon
- Develop automated Python test frameworks and regression suites
- Collaborate with engineers across disciplines
- Implement improvements to test methodologies
- Analyse test results
- Identify and debug failures and defects
- Contribute to test and validation infrastructure
- Provide feedback to architects