Hardware Validation and Debug Engineer - DDR
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 validate and debug new hardware platforms in the lab. You debug PCB, power, signal integrity, and interface issues; validate LPDDR5 and other interfaces; analyse timing margins and eye diagrams; identify root causes; drive corrective actions; and create bring-up documentation, test procedures, and debug reports.
Requirements
- Hardware debugging
- LPDDR validation and tuning
- Signal integrity analysis
- DDR training and margin analysis
- Protocol-level debugging
- Root-cause analysis
- Low-level system integration
- Independent work
- Board bring-up
- Subsystem debugging
- Issue resolution
- High-bandwidth oscilloscopes
- BERT systems
- VNA/TDR equipment
- LPDDR5 memory subsystems
- LPDDR5 compliance testing
- PCBA and system-level technologies
- Ethernet validation
- PCIe
- ATE systems
- Python
- LabView
- BASH
- Automation
- Data analysis
Responsibilities
- Validate and debug new hardware platforms
- Debug PCB, power, signal integrity, and interface issues
- Validate high-speed memory and low-speed interfaces
- Support LPDDR5 initialization, training, timing optimisation, margin analysis, and stability validation
- Analyse DDR timing margins, signal integrity, eye diagrams, and training behaviour
- Identify root causes and drive corrective actions across hardware and firmware
- Create bring-up documentation, test procedures, and debug reports
- Perform board bring-up and subsystem debugging
- Drive issue resolution across teams
Benefits
- Flexible working
- Private medical insurance
- Dental plan
- Health cash plan
- Income protection
- Life assurance