Lightmatter
Signal Integrity Engineer
$157K–$176K
Mountain View, CA · Full-time · Posted Aug 19, 2026
- Experience
- Minimum of 5 years of related experience.
- Education
- B.S. or M.S. degree in Electrical Engineering or relevant field.
- Visa sponsorship
- Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.
About the job
Drives signal integrity from product concept through development, shaping package and system architecture and validating high-speed designs through analysis and lab measurements.
What you'll do
- Analyze and optimize high-speed channels and perform signal integrity simulations, including eye, jitter, and equalization analysis.
- Measure and characterize designs with lab equipment; troubleshoot issues and advise on impedance matching, termination, and routing.
- Collaborate on design reviews and communicate analysis results and design guidelines to stakeholders.
What they ask for
- B.S. or M.S. degree in Electrical Engineering or a relevant field.
- At least 5 years of related experience and specialized knowledge of signal integrity for high-speed interfaces.
- Proficiency with Ansys Siwave, HFSS & Keysight ADS; understanding of transmission line theory, impedance matching, equalization, and high-speed protocols.
- PCB high-speed layout experience, lab measurement proficiency, and ability to script automation using a listed language or tool.
Nice to have
- Understanding of CMOS process technologies and their impact on signal integrity.
- Strong problem-solving and debugging skills; ability to collaborate effectively across teams.
Pay
$157,000 — $176,000 USD; base salary range (the posting labels this as the Salary Range, while noting total compensation includes additional equity and rewards).
Tools
PCIe, UCIe, SerDes, Ansys Siwave, HFSS, Keysight ADS, Python, JavaScript
Model-written summary · the original posting is authoritative