Signal Integrity Engineer
Core
Design high-speed signal paths and electrical performance for Graphcore AI hardware platforms to support datacentre-scale compute.
Role type
Senior IC Signal Integrity Engineer (high-speed digital)
Builds
112Gbps and 224Gbps SERDES, DDR, and processor interfaces for AI compute systems
Domain
Semiconductor hardware / AI compute infrastructure
Deliverable
production ML models
Required skills
high-speed digital circuit development, signal and power integrity analysis, high-frequency SERDES design and validation, PCB structure simulation, BGA and connector launch design, via structure and transmission line design, low-loss material selection, lab validation with VNAs and high-speed oscilloscopes
Preferred skills
ANSYS SIWave, HFSS, Mentor HyperLynx, concept-to-prototype bring-up, debug and validation
Technologies
ANSYS SIWave, HFSS, Mentor HyperLynx, VNAs, high-speed oscilloscopes, signal generators
Responsibilities
Develop, extract, and simulate PCB structures across production systems; define launches, via structures, transmission lines, stack-ups, and low-loss materials; work from concept through prototype bring-up, debug, validation, and support for manufacture; own signal integrity decisions across complex board and package interfaces; challenge designs and guide constraints to achieve best performance
Seniority
Senior, hands-on IC