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Silicon Packaging Engineer - Intern & New Grad
Lightmatter · Internships
- Pay
- $40–$67/hr
- Where
- Mountain View, CA
- Posted
- Sep 11
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!
The Packaging team at Lightmatter
We are building the world's first photonic…
What you'd do
- Signal & Power Integrity — high-speed interface analysis (PCIe, UCIe, SerDes), PDN design and simulation, eye diagrams, jitter, S-parameters
- Thermal Engineering — CFD simulation, heat sink and TIM evaluation, liquid cooling, package-level thermal analysis
- Mechanical & Thermo-Mechanical Design — structural analysis, tolerance stack-up, GD&T, FEA, solder fatigue, CTE mismatch
- Packaging Integration — 2.5D/3D packaging, fiber attach, heterogeneous integration, assembly yield and reliability
What they want
- Pursuing or recently completed a BS, MS, or PhD in Electrical Engineering, Mechanical Engineering, Materials Science, or a related field
- Hands-on experience through coursework, capstone projects, research labs, or internships
- Familiarity with at least one relevant tool — SolidWorks, ANSYS, ADS, Cadence, Python, MATLAB, or similar
- Curious, collaborative, and comfortable asking questions
What you get
- 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)