Demo

Photonics Test Engineer

Lightmatter
Mountain View, CA Full Time
POSTED ON 3/29/2025
AVAILABLE BEFORE 4/27/2025
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads.

Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter!

If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders.

Lightmatter is (re)inventing the future of computing with light!

In this role as a part of the product engineering team you will be focused on developing novel wafer and package level testing strategies of Lightmatter’s novel laser products. You will also help in setting up validation capabilities and carrying out validation tests. You will be expected to support customer deployment and related technical issues.

Responsibilities

  • Work closely with architecture, design and external vendors to understand and plan characterization and testing requirements.
  • Identify challenges and close the design feedback loop with early prototyping and feasibility studies to optimize performance.
  • Develop and implement test protocols to evaluate and compare different engineering approaches.
  • Maintain testing equipment and develop automations to improve efficiency.
  • Analyze test data, document results, and provide feedback to the development team.
  • Document and communicate (orally and in written form) methodologies, data, and analyses.
  • Bring-up of laser test equipment and laser modules.
  • Measure impact of laser on performance of data links such as BERT and OSNR.

Requirements

  • Master’s in Photonics, Physics, Electrical Engineering, or a related field
  • 5 years of experience as a photonics test engineer
  • Experience in wafer level characterization of photonics components.
  • Experience working with test equipment including benchtop lasers, VNA, switches, OSA, ESA, BERT, optical and electrical spectrum analyzers, high speed oscilloscopes (DCA), source-meter units, reference transmitters, and receivers
  • Proficiency in programming languages such as Python.
  • Strong analytical and problem solving skills to identify and solve issues during the testing process.
  • Ability to convey complex technical concepts to both technical and non-technical stakeholders with clear communication.

Preferred Qualifications

  • PhD in Photonics, Physics, Electrical Engineering, or a related field
  • Experience bringing up lab equipment and experimental setups for testing silicon photonics

We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.

Salary Range: $183,000 USD - $204,000 USD

Benefits

  • 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

Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.

Export Control

Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.

Salary : $183,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Photonics Test Engineer?

Sign up to receive alerts about other jobs on the Photonics Test Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$84,546 - $99,351
Income Estimation: 
$104,692 - $122,242
Income Estimation: 
$72,265 - $83,772
Income Estimation: 
$84,546 - $99,351
Income Estimation: 
$84,546 - $99,351
Income Estimation: 
$104,692 - $122,242
Income Estimation: 
$128,874 - $152,513
Income Estimation: 
$148,779 - $177,789
Income Estimation: 
$104,692 - $122,242
Income Estimation: 
$128,874 - $152,513
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Lightmatter

Lightmatter
Hired Organization Address Boston, MA Full Time
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress....
Lightmatter
Hired Organization Address Boston, MA Full Time
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress....
Lightmatter
Hired Organization Address Mountain View, CA Full Time
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress....
Lightmatter
Hired Organization Address Boston, MA Full Time
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress....

Not the job you're looking for? Here are some other Photonics Test Engineer jobs in the Mountain View, CA area that may be a better fit.

Photonics Control and Test Engineer

Xscape Photonics Inc, Santa Clara, CA

Photonics Systems Test Engineer

CACI, Los Gatos, CA

AI Assistant is available now!

Feel free to start your new journey!