Staff / Sr. Staff Photonics Test Engineer
Lightmatter, Mountain View, CA
Lightmatter, Mountain View, CA
You will be focused on architecting wafer, package and system level characterization and test strategies of Lightmatter’s novel Silicon Photonic product line. As part of this role you will have the ability to directly influence the design and development of Lightmatter silicon photonics technologies. You will be part of a growing interdisciplinary team with a lot of opportunities to learn and make a big impact.
This role requires working in out Mountain View, CA office 3 - 5 days a week.
This role is open to multiple levels. Education, years of experience, and interview performance will be the determining factor for leveling.
Staff: $187,000 - $220,000
We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.
Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.
$187,000—$260,000 USD
Benefits eligibility may vary depending on your employment status and location. 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.
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!
Export Control
Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.
Pay not posted
Posted Jul 23, 2026
Pay not posted
Posted Mar 23, 2026
LumilensSan Jose
Pay not posted
Posted Aug 5, 2026
LumilensSan Jose +1
Pay not posted
Posted Mar 22, 2026
Pay not posted
Posted Sep 16, 2026
Pay not posted
Posted Jul 23, 2026
Source: the Lightmatter Greenhouse job board. We last checked this job 4 h ago. We first saw it 7 days ago. A job on a job board does not always mean that the team interviews people now. We found this job board in a public list. We did not yet compare it with the careers page of the company.
No one has reported an interview at Lightmatter yet. Did you interview there? Add the questions.
Funding records can have errors and can be missing. The company page has the links.
This base pay is above the median for staff hardware and robotics jobs in the Bay Area.
We compare the middle of each posted range. This is base pay as posted. The group does not include this job.