Signal Integrity Engineer
Lightmatter · Mountain View, CA
CHECKED 13H AGO
Infrastructureonsitesenior$157k–$176k
At a glance
Highlights
- Work on world's first 3D-stacked photonics engine for AI data centers.
- Drive next-generation products from concept to lab bring-up and validation.
- Solve complex interactions across digital, analog and photonics domains.
What they offer
- Comprehensive Health Care Plan (Medical, Dental & Vision)
- Retirement Savings Matching Program
- Life Insurance (Basic, Voluntary & AD&D)
- Generous Time Off (Vacation, Sick & Public Holidays)
- Paid Family Leave
- Short Term & Long Term Disability
- Training & Development
- Commuter Benefits
- Flexible, hybrid workplace model
- New hire equity grant and annual performance-based equity
Ideal candidate
Experienced signal integrity engineer who loves tackling complex cross-domain challenges and collaborating across teams to bring cutting-edge AI hardware to life.
Requirements
- 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
- Experience with PCB design and layout considerations for high-speed interfaces (layer stack-up, routing, and via design)
- Proficiency in using lab equipment for signal measurement and characterization
- Ability to write scripts to automate the simulation flow (Python, JavaScript, Ocean scripts, or SKILL)
- remote policy
- hybrid
Lab profile
About Lightmatter
Building 3D-stacked photonics engines connecting AI processors at light speed for data centers.
What they build
- Passage™ 3D-stacked photonics engine
- Photonic interconnects for AI / HPC data centers
Known for
- Silicon photonics
- 3D-stacked packaging
- High-speed analog / mixed-signal design
- Electro-optic systems
Key facts
- Raised $400M Series D
- $4.4 billion valuation