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← Lightmatter

Staff High-Speed I/O Test Engineer

Lightmatter · Mountain View, CA

CHECKED 14H AGO

Infrastructureonsitestaff$187k–$220k
Apply on the lab’s site ↗

At a glance

Highlights

  • Validate package and system-level high-speed I/O for novel products.
  • Drive link bring-ups and stress-test I/Os in system environments.
  • Help scale 3D-stacked photonics for extreme-scale AI data centers.

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
  • Equity grants

Ideal candidate

A hands-on lab expert with 6+ years testing real products who thrives on bring-up, debugging, and pushing links to their limits. You love collaborating across teams to take novel hardware into high-volume manufacturing.

Requirements

  • Master's in Electrical Engineering, Computer Engineering, or related field
  • 6+ years of industry experience in transceiver, SerDes, or high-speed link test development on products
  • Extensive hands-on lab experience with high-speed equipment including oscilloscopes, BERTs, PPGs, VNAs and spectrum analyzers
  • Strong familiarity with high-speed interfaces and analog building blocks (e.g., PLL, CDR, CTLE, DFE, FFE, and FEC)
  • Experience in test system automation and data processing using Python
  • Strong analytical and debugging skills for hardware and signal integrity issues
  • Ability to convey complex technical concepts to technical and non-technical stakeholders

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 ↗