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!
Lightmatter is seeking an experienced Opto-Mechanical Engineer to join our Laser and Photonics Packaging Team. In this role, you will be responsible for the optical and mechanical design, component selection, and packaging of next-generation laser and photonics modules, ensuring optimal performance, reliability, and manufacturability.
Responsibilities- Lead the optical and mechanical design of laser modules and detachable connectors.
- Communicate design concepts, technical findings, and project status clearly.
- Contribute to optical design of lenses and FAU arrays, and possess a strong understanding of isolator technologies.
- Design packaging solutions for DFB lasers in Chip-on-Submount (CoS) configurations and for heterogeneously integrated III-V on Silicon wafers.
- Ensure PIC designs are optimized for assembly processes such as wire bonding and flip-chip bonding.
- Select critical components, including optical assemblies, electrical connectors and optical connectors.
- Collaborate with suppliers and OSATs (Outsourced Semiconductor Assembly and Test) from prototype manufacturing through validation and into volume production.
- Collaborate with cross-functional teams to ensure seamless integration and successful product delivery.
- Bachelor’s or Master’s degree in Optical Engineering, Physics, Mechanical Engineering or a related field.
- 5+ years of hands-on experience in opto-mechanical design.
- Experience in optical design of lenses and FAU arrays.
- Hands-on experience with Zemax for optical design.
- Hands-on experience with SolidWorks for 3D modeling.
- Experience collaborating with suppliers and OSATs from prototyping to volume production.
- Experience with Lumerical or other optical design software.
- Hands-on experience with optical alignment and validation.
- Knowledge of optical modules in the datacom industry.
- Experience with hermetic and non-hermetic packaging techniques.
We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.
- 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
- Training & Development
- Commuter Benefits
- Flexible, hybrid workplace model
- Equity grants (applicable to full-time employees)
Benefits eligibility may vary depending on your employment status and location. 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.
Export Control
Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.
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What We Do
Lightmatter is a startup photonics company that has pioneered a new paradigm in processor chip architecture that uses photons instead of electrons. Now the leader in the photonic AI compute “space race,” this new class of high performance semiconductors is the foundation of Lightmatter’s mission to enable the growth of computing, reduce harmful emissions associated with this growth, and democratize computing for all.
Lightmatter's technology accelerates critical operations in deep neural networks, using an array of programmable photonic elements fabricated alongside transistors in conventional computer chip fabrication processes. Our close-knit team of engineers has created an integrated photonics chip and ultra-high performance interconnect that is faster, more efficient, and cooler than anything else on earth (or anything ever experienced before) to power the next giant leaps in human progress.
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