Principal Field Application Engineer is open at Lightmatter in Mountain View, CA. The posting gives a salary of $250K - $300K. Posted on Aug 12, 2026, and still on Lightmatter’s careers page when we last checked, on Nov 14, 2026.
About the role
’s primary responsibility is to work collaboratively with customers in architecting the next generation of devices enabled by Lightmatter’s photonic interconnect technology Passage. In this role, you will work closely with Tier 1 Semiconductor companies that are defining the next generation of silicon in the data center. You will be working cross functionally within Lightmatter as you define an optimal technical…
The opening lines of the posting. The rest is on Lightmatter’s careers page.
Hiring at Lightmatter
Lightmatter has 73 open roles right now. Most are in Engineering, Design and Operations. The median advertised salary across its roles with a published range is $203K. See all its roles
