Senior SI/PI Engineer — High‑Speed AI Compute Systems

Cerebras; Sunnyvale (CA); On-site; USD 220,000 - 250,000; Full time

Job summary

Cerebras Systems in Sunnyvale, CA seeks an experienced System Signal Integrity and Power Integrity Engineer Lead to solve SI/PI challenges across silicon, packaging, PCB, and connectors for AI compute platforms. The role emphasizes deep technical analysis, pre/post-layout simulations, root-cause investigations, and close collaboration with silicon and packaging teams.

A Master’s in Electrical Engineering and 15+ years in high-speed hardware SI/PI are required to help drive performance and

Qualifications

• Master’s degree in Electrical Engineering.
• 15+ years of demonstrated depth of expertise in system-level signal integrity and power integrity engineering for high‑speed hardware systems.

Responsibilities

• Solve complex SI/PI problems for high-speed AI compute platforms, including chip-to-chip and chip-to-board interfaces.
• Perform advanced pre-layout and post-layout SI/PI analysis across PCBs, flex circuits, rigid-flex assemblies, connectors, and advanced packages.
• Lead root-cause analysis of margin shortfalls, impedance discontinuities, coupling, resonances, and simulation-to-hardware mismatches.
• Analyze and resolve SI/PI challenges with flex circuits, high-speed flex connectors, interposers, and advanced packaging technologies.
• Analyze and troubleshoot power delivery networks using DC and AC simulations and hardware correlation to resolve performance and stability issues.
• Define and refine PCB, rigid-flex, and flex circuit stack-ups, materials, impedance structures as required to meet performance targets.
• Review schematics, PCB layouts, and flex designs to identify SI/PI risks and recommend targeted design changes.
• Work closely with silicon and package design teams to resolve SI/PI issues related to bump/ball assignments, package-to-PCB transitions, and interface interactions.
• Act as a technical escalation point for complex SI/PI issues across multiple programs.

Skills

High-speed SI/PI

PCB stack-up design

2D/3D EM simulation

Power delivery analysis

Education

Master’s degree in Electrical Engineering

Tools

HFSS

CST Studio

Job description

Cerebras Systems in Sunnyvale, CA seeks an experienced System Signal Integrity and Power Integrity Engineer Lead to solve SI/PI challenges across silicon, packaging, PCB, and connectors for AI compute platforms. The role emphasizes deep technical analysis, pre/post-layout simulations, root-cause investigations, and close collaboration with silicon and packaging teams.

A Master’s in Electrical Engineering and 15+ years in high-speed hardware SI/PI are required to help drive performance and