Lightmatter Jobs

About Lightmatter

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.

38 open roles

Sr/Staff Digital Design Engineer · Boston, MA
Photonics Characterization Intern- Winter 2026 · Boston, MA
People Operations Analyst · Boston, MA
Staff Global Supply Manager · Mountain View, CA
Staff Operations Program Manager · Mountain View, CA
Hardware Systems Technical Lead · Mountain View, CA
Staff Electrical Design Engineer · Mountain View, CA
Sr SDET - Firmware Automation · CANADA
Staff Photonics Design & PDK Modeling Engineer · Boston, MA; Mountain View, CA; Toronto, ON
Sr. Staff Product Manager (Photonics) · Boston, MA
Electro-Optic Link Hardware Engineer · Boston, MA
Embedded Software Engineer, Lasers · USA
Sr Staff/Principal Laser Design Engineer · Boston, MA
Principal Hardware Systems Technical Lead · Mountain View, CA
Staff/Sr Staff Electro-Optic Codesign Engineer · Boston, MA
Senior Account Manager · Mountain View, CA
Staff /Sr Staff Laser Module & Systems Characterization Engineer · Mountain View, CA
Power Integrity Engineer · Mountain View, CA
Signal Integrity Engineer · Mountain View, CA
Package Layout Engineer · Mountain View, CA
Mixed-Signal Validation Engineer · Mountain View, CA
Sr. Staff Thermo-Mechanical Engineer · Mountain View, CA
Staff Photonics Design and Layout Engineer · Boston, MA
Sr. Staff Physical Design Engineer · Mountain View, CA
Senior Laser & SOA Characterization Engineer · Boston, MA
Mechanical Design Engineer · Boston, MA
Sr Staff Design Verification · Toronto, ON
Sr. Staff Photonics Systems Engineer · Boston, MA
Sr. Staff Physical Design Timing Engineer (STA) · Mountain View, CA
Analog/Mixed Signal Architect · Boston, MA
Staff Physical Design Engineer · Mountain View, CA
Staff Embedded Software Engineer · Boston, MA
Staff High-Speed I/O Test Engineer · Mountain View, CA
Digital Architect · Boston, MA
Staff Photonics Test Engineer · Mountain View, CA
Senior Digital (Mix Signal) Architect · Boston, MA
Principal Machine Learning Infrastructure Researcher · Mountain View, CA
Analog IC Design Engineer, High-Speed · Boston, MA

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