Workplace
hybrid
Employment
Contract
Published
Aug 11, 2026
Closes
No date supplied
The role
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!
About this Role
In this role, you will contribute to the development of board and system solutions that leverage Lightmatter's technology to enable advanced machine learning, artificial intelligence, and large-scale interconnect platforms. You will collaborate closely with teams across hardware and software to design, bring up, and validate system-level products.
Responsibilities
• Design and develop power, control, mixed-signal, and high-speed interconnect circuits to meet system requirements
• Apply SI/PI, DfX, and industry best practices to meet performance and quality needs
• Perform board bring-up, verification, integration, and troubleshooting
• Develop and execute test plans to characterize and validate board and system performance
• Collaborate with cross-functional teams from concept design through integration and production
• Work with component vendors, contract manufacturers, and other partners
• Research new components, processes, and technologies to meet product goals
• Contribute to design reviews and maintain
Requirements
Department: Product Engineering