Hardware Validation & Debug Engineer: PCIe & SerDes

Graphcore; Bristol; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Flexible working

Generous leave

Pension match

Job summary

Graphcore is seeking a Validation and Debug Engineer to validate high‑speed interfaces and prove silicon and platforms under real product conditions. You will own hands-on lab validation, focusing on SerDes, PCIe Root Complex and Ethernet, tuning links and diagnosing issues to drive decisions across teams.

You will collaborate with Architecture, Silicon, Hardware and Firmware engineers, taking ownership of bring-up and issue resolution with data-informed testing and clear communication.

Qualifications

• Hands-on hardware validation experience with board bring-up and subsystem debugging.
• Experience validating Ethernet, PCIe Root Complex and SerDes systems.
• Proficient with lab instrumentation (oscilloscopes, BERT, VNA/TDR, PCIe analyzers).
• Ability to debug signal integrity and protocol-level issues to root cause.

Responsibilities

• Own hands-on validation and debug in the lab focusing on SerDes, PCIe Root Complex and Ethernet.
• Tune links, investigate failures and translate lab findings into engineering decisions.
• Drive bring-up and issue resolution across silicon, hardware, firmware and architecture teams.

Skills

Hardware validation

Ethernet validation

PCIe/SerDes debugging

Lab instrumentation

Root cause analysis

Signal integrity analysis

Independent problem solving

Tools

Oscilloscopes

BERT systems

VNA/TDR equipment

PCIe protocol analyzers

Job description

Graphcore is seeking a Validation and Debug Engineer to validate high‑speed interfaces and prove silicon and platforms under real product conditions. You will own hands-on lab validation, focusing on SerDes, PCIe Root Complex and Ethernet, tuning links and diagnosing issues to drive decisions across teams.

You will collaborate with Architecture, Silicon, Hardware and Firmware engineers, taking ownership of bring-up and issue resolution with data-informed testing and clear communication.