Photonics Hardware Validation Engineer
US$177,000 – US$240,000 / yr base salary
Posted 9 Jul 2026
Advertised as “Photonics Hardware Validation Engineer ”
BranchFactor Summary
The original posting with the fluff stripped out
- Management level
- People management
- Employment
- Hybrid
| Base salary | US$177,000 – US$240,000 / yr |
|---|
Field of studyElectrical Engineering, Physics (or related)
Study levelBachelor's
Study levelDoctorate
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, you will design, develop, and build photonic test systems that are critical to the characterization and validation of our products. You will collaborate closely with device, hardware, software, and digital and analog design teams to support the end-to-end development, validation, and qualification of photonic systems and their key components.
Join a tight-knit team where each individual’s contributions directly impact the success of the company and our innovative products. At Lightmatter, you’ll have the opportunity to work with people who love to build and thrive in technically diverse environments where great ideas are valued and prioritized.
We are hiring a Photonics Hardware Validation Engineer to join our Validation team to drive photonics testing, characterization and validation of our silicon photonics-based optical Interconnect Products.
Responsibilities
- You will need to understand our chip specifications well so that you can take responsibility for chip bring-up, testing, and validation of our next-generation Optical Interconnect products. This includes supporting the development of chip validation plans aligned to product specifications, xDVT, and interoperability testing.
- You will be required to contribute to test plan development, test bench configuration planning, setup of lab test equipment, and troubleshooting of validation setups to enable successful chip bring-up and testing.
- You will work within the product validation team on electro-optic, link-level testing in our lab using industry-standard practices and equipment.
Qualifications
- Bachelor’s degree in Electrical Engineering, Physics, or a related field.
- Hands-on experience with standard bench test equipment for data communications, including electro-optic link testing and characterization.