# Signal Integrity Engineer at Lightmatter

- Company: Lightmatter
- What the company does: Rethinking the limits of AI, Lightmatter merges photonics and computing to build a future where speed, efficiency, and intelligence converge. Backed by GV.
- Company website: https://lightmatter.co
- Type: Startups
- Level: Mid level
- Location: Mountain View, CA
- Work setup: On-site
- Posted: 2026-08-19
- Apply by: 2026-10-08
- Apply: https://boards.greenhouse.io/lightmatter/jobs/5382139008?gh_jid=5382139008
- Page: https://www.1752.vc/careers/jobs/lightmatter-signal-integrity-engineer/

## About the role

We are looking for a Signal Integrity engineer to drive the next generation products from concept to development. You will be part of the Signal Integrity, Power Integrity and Packaging team, tasked with influencing the package and system architecture, design, and analysis through lab bring-up to meet the product's signal integrity requirements. This position offers a unique opportunity to solve complex interactions across digital, analog and photonics domains while meeting stringent signal integrity goals.

## What they're looking for

- B.S. or M.S. degree in Electrical Engineering or relevant field with a minimum of 5 years of related experience
- Robust professional and specialized knowledge in signal integrity analysis for high-speed interfaces
- Proficiency in using simulation and analysis tools for signal integrity, including Ansys Siwave, HFSS & Keysight ADS
- Strong understanding of transmission line theory, impedance matching, and equalization techniques
- Knowledge of signaling protocols for high-speed interfaces, including SerDes, UCIE, etc
- Ensure robust signal integrity and timing performance for lower-speed critical interfaces and control buses, such as system clocks, SPI, and I2C

Tags: Photonics Packaging Engineering