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← Lightmatter

Mechanical Design Engineer

Lightmatter · Mountain View, CA · Boston, MA

CHECKED 14H AGO

Infrastructureonsitemid-level$135k–$212k
Apply on the lab’s site ↗

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
More about Lightmatter →
Apply on the lab’s site ↗