Jobs › Companies › Lightmatter › Photonics Engineer Intern - Summer 2027

About this Photonics Engineer Intern - Summer 2027 role at Lightmatter

Lightmatter · Onsite · Boston, MA

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!

About this job 

This team is designing active and passive Silicon Photonics devices and systems that are at the frontier of the technology and core to Lightmatter products. This job will require diving deep into the physics and working principles of all kinds of device designs, creating test plans, and layouts, analyzing data and experiments and creating models. 

Responsibilities:

  • Design high-performance passive and active silicon photonics devices with commercial softwares such as Lumerical, Tidy3D, Cadence
  • Develop automated inverse design of silicon photonic components.
  • Develop control algorithms for photonics subsystems for real-world use cases
  • Assess fabrication variability and operational performance of Si photonic components
  • Develop and implement testing and analysis methodology for new and existing silicon photonics devices, including design-for-test, design-for-manufacturing, and design-of-experiments.
  • Design and execute model creation for silicon photonics chips and subsystems based on measurement data and close the loop with design and simulations.

Requirements: 

  • Currently enrolled in a PhD program, specializing in Electrical Engineering, Physics, Photonics, or related fields. 
  • Good understanding of Silicon Photonics or General Photonics
  • Experience in electro-optic design of silicon photonics components
  • Demonstrate problem-solving skills in problems that do not have obvious solutions
  • Exposure to developing and implementing automated design and analysis using Python scripting
  • Data-driven and analytical; translates numbers into actionable strategies
  • Process-oriented and programmatic: builds structure through processes
  • Excellent written and verbal communication skills
  • Interest in Photonics Design
  • Willingness and curiosity to learn from an exciting team!

Preferred Qualifications

  • Experience in design of high speed transceiver systems
  • Work with foundries
  • Exposure to designing PDK Components

Our internship hourly rates are a standard pay determined based on the position and your location, year in school, degree, and experience.

Hourly Rate in USD
$57—$65 USD

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)

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. 

Ready to apply to Lightmatter?
Apply to Lightmatter

Similar jobs

Lightmatter
Package Layout Automation Internship - Summer 2027
Lightmatter
⚡ Apply early Mountain View, CA Onsite $89,440–$97,760
● New 👁 Seen ✓ Applied 2h ago
Lightmatter
Packaging Thermal and Mechanical Analysis Internship - Summer 2027
Lightmatter
⚡ Apply early Mountain View, CA Onsite $110,240–$118,560
● New 👁 Seen ✓ Applied 2h ago
Lightmatter
Packaging Mechanical Design Internship - Summer 2027
Lightmatter
⚡ Apply early Mountain View, CA Onsite $89,440–$97,760
● New 👁 Seen ✓ Applied 2h ago
Lightmatter
Sr. Physical Design Flow & Methodology Engineer
Lightmatter
⚡ Apply early Boston, MA Onsite $154,000–$175,000
● New 👁 Seen ✓ Applied 2h ago
Lightmatter
Supply Chain Internship - Summer 2027
Lightmatter
⚡ Apply early Mountain View, CA Onsite $110,240–$118,560
● New 👁 Seen ✓ Applied 2h ago
Lightmatter
Staff /Sr. Staff Test Platform & Firmware Integration Engineer
Lightmatter
⚡ Apply early Mountain View, CA Onsite $167,000–$227,000
● New 👁 Seen ✓ Applied 3h ago
Lightmatter
Photonics Layout Intern - Summer 2027
Lightmatter
⚡ Apply early Boston, MA Onsite $83,200–$93,600
● New 👁 Seen ✓ Applied 5h ago
Lightmatter
Laser Firmware Intern - Summer 2027
Lightmatter
⚡ Apply early Boston, MA Onsite $83,200–$93,600
● New 👁 Seen ✓ Applied 5h ago
Lightmatter
Associate Operations Program Manager
Lightmatter
⚡ Apply early Boston, MA; Mountain View, CA Onsite $10,800–$128,500
● New 👁 Seen ✓ Applied 5h ago

Sign up for suggestions tailored to the jobs you open and the searches you save.

More jobs at Lightmatter

See all jobs at Lightmatter →

Apply now
🤖

Whoa — hold up

JobsRadar was built for real people having a rough time in their job search — not for automated requests. You're clicking way too fast and you're now temporarily blocked.

Come back later. If you're genuinely job hunting, we've got your back — just act like a human.

Catch your next role the second it’s posted.

Create a free account and we’ll watch the boards for you — the instant a job matches your search, it lands in your inbox or Telegram. No digging, no refreshing.

Create free account

Free forever · takes 30 seconds · already have one?

Get an edge on your job hunt.

Join our Telegram channel for the stuff that helps you land the role — salary benchmarks, the weekly market pulse, and new-feature drops. No spam, just signal.

Join the channel — it's free