Signal Integrity Engineer
Graphcore is a SoftBank-owned AI-compute company developing AI processors, systems, and software for machine-learning workloads.
Maintainer signals as of 9/24/2026
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 design, extract, and simulate PCB structures for production systems and test boards. You will define launches, vias, transmission lines, stack-ups, and materials, then validate designs in the lab. You will support prototype bring-up, debugging, validation, manufacturing, and signal-integrity decisions across board and package interfaces.
Requirements
- Experience in high-speed digital circuit development
- Signal integrity knowledge
- Power integrity knowledge
- Experience with high-frequency SERDES design and validation
- Expertise with ANSYS SIWave, HFSS, Mentor HyperLynx, or similar tools
- Ability to design BGA and connector launches, via structures, and transmission lines for GHz signals
- Lab experience using VNAs, high-speed oscilloscopes, and signal generators
- Experience with design, debugging, and validation
Responsibilities
- Design, extract, and simulate PCB structures for production systems and test boards
- Define launches, via structures, transmission lines, stack-ups, and low-loss materials
- Validate designs in the lab
- Support prototype bring-up, debugging, validation, and manufacturing
- Own signal-integrity decisions across board and package interfaces
- Guide design constraints and challenge designs to achieve performance
Benefits
- Flexible working
- Generous leave
- Pension matched up to 5%
- Phantom equity
- Free food
- On-site barista
- Income protection
- Life assurance
- Private medical insurance
- Dental cover
- Health cash plan
- Cycle to work scheme
- Give as you earn