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← Lightmatter

Signal Integrity Engineer

Lightmatter · Mountain View, CA

CHECKED 13H AGO

Infrastructureonsitesenior$157k–$176k
Apply on the lab’s site ↗

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
More about Lightmatter →
Apply on the lab’s site ↗