WHAT MATX IS BUILDING MatX's mission is to make the world’s best AI models run as efficiently as allowed by physics, bringing the world years ahead in AI quality and availability. WHAT COMPUTE MEANS The compute subsystem implements
Semiconductor and RISC-V jobs in Mountain View, United States 60
Engineering roles in Mountain View, United States at 3 companies, collected from the employers' own careers pages. Every role links to the original posting.
Roles 31–60 of 60, newest first.
- Mountain View (HQ) or RemoteRemoteRTL / HDLVerificationSep 11, 2026
- Mountain View (HQ) or RemoteRemoteRTL / HDLVerificationSoC / ASICSep 10, 2026
What MatX Is Building MatX is on a mission to be the compute platform for Artificial General Intelligence. We are developing vertically integrated full-stack solutions from silicon to systems including hardware and software to train and ru
- Mountain View, CAFirmwareSep 10, 2026
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 millio
- Mountain View (HQ) or RemoteRemoteAug 28, 2026
WHAT MATX IS BUILDING MatX is building next-generation AI compute infrastructure for large-scale LLM training and inference. We’re looking for an experienced, hands-on NPI Manufacturing Engineer to lead our AI chip, compute tray, and rack-
- Mountain View (HQ) or RemoteRemotePhysical designSoC / ASICAug 28, 2026
WHAT MATX IS BUILDING MatX is building next-generation AI compute infrastructure for large-scale LLM training and inference. We are looking for an experienced PCB Layout Engineer to design and deliver high-speed, high-power, high-density p
- Mountain View, CAAug 21, 2026
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 millio
Package Layout Engineer
Lightmatter
Mountain View, CAPhysical designSoC / ASICAug 19, 2026Lightmatter 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 millio
Signal Integrity Engineer
Lightmatter
Mountain View, CAAug 19, 2026Lightmatter 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 millio
Power Integrity Engineer
Lightmatter
Mountain View, CASoC / ASICAug 19, 2026Lightmatter 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 millio
Mixed-Signal Validation Engineer
Lightmatter
Mountain View, CAVerificationFirmwareAug 17, 2026Lightmatter 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 millio
Principal Field Application Engineer
Lightmatter
Mountain View, CAAug 12, 2026Lightmatter 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 millio
Chip Firmware Validation Engineer
Lightmatter
Mountain View, CAFirmwareSoC / ASICAug 5, 2026Lightmatter 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 millio
- Mountain View (HQ) or RemoteRemoteRTL / HDLPhysical designSoC / ASICJul 22, 2026
What MatX Is Building MatX is on a mission to be the compute platform for AGI. We are developing vertically integrated full-stack solutions from silicon to systems including hardware and software to train and run the largest ML workloads f
Staff Hardware Test & Bring-Up Engineer
Lightmatter
Mountain View, CAVerificationFirmwareSoC / ASICJul 16, 2026Lightmatter 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 millio
- Mountain View (HQ) or RemoteRemoteRTL / HDLVerificationJul 15, 2026
What MatX Is Building MatX's mission is to make the world’s best AI models run as efficiently as allowed by physics, bringing the world years ahead in AI quality and availability. MatX is seeking silicon verification engineers to join our
Staff High-Speed I/O Test Engineer
Lightmatter
Mountain View, CAJul 14, 2026Lightmatter 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 millio
Photonics Hardware Validation Engineer
Lightmatter
Mountain View, CAJul 9, 2026Lightmatter 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 millio
- Mountain View, CAJul 2, 2026
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 millio
Director, Photonics Hardware Validation
Lightmatter
Mountain View, CAFirmwareJul 1, 2026Lightmatter 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 millio
Hardware Systems Technical Lead
Lightmatter
Mountain View, CAFirmwareJun 17, 2026Lightmatter 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 millio
- Mountain View (HQ) or RemoteRemoteRTL / HDLPhysical designSoC / ASICJun 15, 2026
What MatX Is Building MatX is on a mission to be the compute platform for AGI. We are developing vertically integrated full-stack solutions from silicon to systems including hardware and software to train and run the largest ML workloads f
- Mountain View (HQ) or RemoteRemoteRTL / HDLCompilersKernel / LinuxMay 27, 2026
WHAT MATX IS BUILDING MatX is building custom silicon for large-language-model inference and training, with HW/SW co-design across ISA, RTL, simulator, compiler, and kernels so each layer benefits from the others. The runtime owns the host
- Mountain View (HQ) or RemoteRemoteFirmwareSoC / ASICMay 26, 2026
What MatX Is Building MatX is on a mission to be the compute platform for AGI. We are developing vertically integrated full-stack solutions from silicon to systems including hardware and software to train and run the largest ML workloads f
- Mountain View (HQ) or RemoteRemoteRTL / HDLFirmwarePhysical designMay 19, 2026
What MatX Is Building MatX is on a mission to be the compute platform for AGI. We are developing vertically integrated full-stack solutions from silicon to systems including hardware and software to train and run the largest ML workloads f
- Mountain View (HQ) or RemoteRemoteRTL / HDLVerificationCompilersMay 19, 2026
What MatX Is Building MatX's mission is to make the world's best AI models run as efficiently as allowed by physics, bringing the world years ahead in AI quality and availability. We build the full stack—from silicon and rack design throug
- Mountain View, CAApr 24, 2026
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 millio
- Mountain View (HQ) or RemoteRemoteRTL / HDLVerificationCompilersApr 13, 2026
What MatX Is Building MatX's mission is to make the world’s best AI models run as efficiently as allowed by physics, bringing the world years ahead in AI quality and availability. We build custom silicon for training and running the world'
Sr. Staff Physical Design Engineer
Lightmatter
Mountain View, CAPhysical designSoC / ASICJan 7, 2026Lightmatter 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 millio
Staff/Sr. Staff Design Verification
Lightmatter
Mountain View, CARTL / HDLVerificationDec 9, 2025Lightmatter 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 millio
- Mountain View, CARTL / HDLPhysical designSoC / ASICNov 4, 2025
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 millio