Lightmatter
Photonics Hardware Validation Engineer
Mountain View, CA · Full-time
Sponsorship not specified$177k-$240kDetected 57 days ago
PythonMATLABValuationPCB DesignElectrical EngineeringCommunicationMentoring
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odds of building a lasting career here
53Sponsors, lottery-bound
Cap-exempt (no lottery)0
Sponsors this role58
Entry-level history0
PERM / green-card track0
Lottery odds (Level IV)94
Fits your clock70
Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
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Files H-1B transfers
10 transfer filings in the last year, covering 10 workers. Median labor-condition decision: 28 days. An employer that already files transfers is one that can take over an existing H-1B.
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About 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.
Requirements
- 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.
- Experience in the data communications field, specifically in electro-optic link-level testing and characterization in a lab environment.
- 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.
- Familiarity with PCB design, including hardware testing and debugging of electro-optic circuits.
- Ability to work closely with Design Engineers, Software Engineers, and broader cross-functional teams to quickly gain knowledge of Lightmatter products and drive execution of chip bring-up and validation in our lab.
- Basic scripting skills for automation of lab tests including analysis of results and report generation.
- Solid understanding of electrical and optical blocks in transmitters and receivers to enable efficient chip bring-up and link testing.
- Ability to troubleshoot and debug the electrical optical building blocks in a transceiver to triage bugs and root-cause performance gaps.
Nice to have
- Experience with high-speed data communication systems, including NRZ and PAM4 signaling.
- Familiarity with industry standards such as IEEE, OIF-CEI, or similar for data communication systems.
- Proficiency in Python, MATLAB, or similar tools for scripting and automation.
- Prior experience in leading or mentoring junior engineers in lab validation and testing workflows.
Compensation
- total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.
- $177,000 - $240,000 USD
Benefits
- Comprehensive Health Care Plan (Medical, Dental & Vision)
- Retirement Savings Matching Program
- Life Insurance (Basic, Voluntary & AD&D)
- Generous Time Off (Vacation, Sick & Public Holidays)
- Paid Family Leave
- Short Term & Long Term Disability
- Commuter Benefits
- Equity grants (applicable to full-time employees)
- Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.
- Flexible, hybrid workplace model
Visa & Work Authorization
- Export Control
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This listing is sourced directly from Lightmatter's careers page and normalized into a canonical job model.