Lightmatter · 2 weeks ago
Opto-Mechanical Engineer
Mountain View, CA
Full-time
Hybrid
Senior Level
$227K/yr - $262K/yr
5+ years expLightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company is seeking an experienced Opto-Mechanical Engineer to join their Laser and Photonics Packaging Team, where the role focuses on the optical and mechanical design of next-generation laser and photonics modules.
AI InfrastructureArtificial Intelligence (AI)Data CenterMachine LearningSemiconductorSoftware
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
Qualification
Required
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
Preferred
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
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
Training & Development
Commuter Benefits
Flexible, hybrid workplace model
Equity grants (applicable to full-time employees)
Company
Lightmatter
Lightmatter develops photonic chips that enable data processing and communication using light instead of electricity.
201-500 employees
H1B Sponsorship
Lightmatter has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (12)
2023 (5)
2022 (4)
2021 (4)
2020 (4)
Funding
Current Stage
Late StageTotal Funding
$822MKey Investors
T. Rowe PriceViking Global InvestorsGoogle Ventures
2024-10-16Series D· $400M
2023-12-19Series C· $155M
2023-05-31Series C· $154M
Leadership Team
Nicholas Harris
Founder, CEO
B
Bob Turner
Sr. VP Sales & Solution Architecture
Recent News
2025-11-23
2025-10-09
Company data provided by crunchbase