Mechanical Design Engineer
Lightmatter · Mountain View, CA · Boston, MA
CHECKED 14H AGO
Infrastructureonsitemid-level$135k–$212k
At a glance
Highlights
- Work on leading-edge packaging for AI architectures setting industry standards.
- Design 3D-stacked photonics engine connecting thousands of processors with light.
- Co-optimize mechanical, optical and thermal aspects of advanced packages.
What they offer
- Comprehensive Health Care Plan (Medical, Dental & Vision)
- Retirement Savings Matching Program
- Generous Time Off (Vacation, Sick & Public Holidays)
- Paid Family Leave
- Short Term & Long Term Disability
- Training & Development and Commuter Benefits
- Equity grants including new hire and annual performance-based equity
Ideal candidate
A hands-on mechanical designer passionate about precision hardware for AI infrastructure who thrives collaborating across teams and iterating fast with data to turn complex packaging challenges into manufacturable solutions.
Requirements
- BS or MS in Mechanical Engineering or related field
- Minimum 3 years mechanical design experience in semiconductor packaging, optoelectronics or photonics modules
- Proficiency in CAD tools such as Solidworks or Creo with mechanical design best practices
- Expertise in GD&T and tolerance stack-up analysis
- Manage prototype builds with external vendors and ensure scalability to high-volume manufacturability
- Working knowledge of semiconductor packaging technologies including 3D, 2.5D and FCBGA trade-offs
- remote policy
- Flexible, hybrid workplace model
Lab profile
About Lightmatter
Building 3D-stacked photonics engines connecting AI processors at light speed for data centers.
What they build
- Passage™ 3D-stacked photonics engine
- Photonic interconnects for AI / HPC data centers
Known for
- Silicon photonics
- 3D-stacked packaging
- High-speed analog / mixed-signal design
- Electro-optic systems
Key facts
- Raised $400M Series D
- $4.4 billion valuation