Senior Signal Integrity Engineer, Automotive High-Speed PCB

General Motors; Sunnyvale (CA); Hybrid; USD 125,000 - 193,000; Full time

Benefits offered by this job

Health and wellbeing benefits

GM vehicle discounts

Job summary

General Motors is seeking a Senior Signal Integrity Engineer in Sunnyvale to ensure performance and reliability of high-speed hardware designs. You will analyze SI, mitigate issues, and collaborate with cross-functional teams across design and validation.

This role focuses on silicon-to-system integration and robust hardware development. The position emphasizes expertise with DDR, PCIe, SerDes, Ethernet, and power delivery networks, plus hands-on lab work and process improvements.

Qualifications

• 5+ years of experience in signal integrity, high-speed PCB design, or related hardware engineering.
• Strong understanding of high-speed signal transmission principles, including impedance, crosstalk, noise, and signal attenuation.
• Proficiency in SI analysis tools such as HyperLynx, HFSS, CST, ADS, or similar industry-standard software.

Responsibilities

• Perform detailed signal integrity (SI) simulations using tools such as HyperLynx, HFSS, or CST to identify and resolve issues related to crosstalk, signal loss, reflections, and other performance degradations in high-speed designs.
• Analyze PCB layout designs to ensure optimal signal performance, providing feedback and recommendations to layout and hardware design teams.
• Collaborate with hardware engineers to optimize high-speed signal paths, ensuring adherence to specifications for interfaces like DDR, PCIe, USB, SerDes, and Ethernet.
• Evaluate and validate signal integrity for power delivery networks (PDN) to minimize noise, ground bounce, and power/ground integrity issues.
• Work closely with PCB layout, hardware, and mechanical teams to ensure design choices align with signal integrity best practices.
• Partner with systems engineering and software teams to ensure signal integrity across the entire product stack, from silicon to system integration.
• Develop and implement test strategies for verifying signal integrity on prototypes and final products using tools like oscilloscopes, vector network analyzers (VNA), and time domain reflectometry (TDR).
• Create and maintain signal integrity design guidelines, best practices, and checklists to support hardware engineers throughout the product development lifecycle.
• Lead the evaluation of new materials, design techniques, and tools that enhance signal integrity, proposing innovations that improve overall system performance.
• Diagnose and resolve SI issues during the bring-up phase of new products, ensuring minimal impact on time-to-market.

Skills

Signal integrity

High-speed PCB design

Ethernet/PCIe/SerDes knowledge

SI analysis tools

Lab equipment

High-speed board layout rules

Education

Bachelor’s or Master’s degree in Electrical/Electronics Engineering

Tools

HyperLynx

HFSS

CST

ADS

Oscilloscopes

VNAs

TDRs

Protocol analyzers

Job description

General Motors is seeking a Senior Signal Integrity Engineer in Sunnyvale to ensure performance and reliability of high-speed hardware designs. You will analyze SI, mitigate issues, and collaborate with cross-functional teams across design and validation.

This role focuses on silicon-to-system integration and robust hardware development. The position emphasizes expertise with DDR, PCIe, SerDes, Ethernet, and power delivery networks, plus hands-on lab work and process improvements.