L

Photonics Characterization Intern

Lightmatter

Boston, MAFresher9m agovia GreenhouseH-1B sponsor · 3 entry-level filings

This job at a glance

Who can apply
New grads and up to 1 year
Must know
PythonCircuit design
Nice to have
Embedded systems
Work
On-site in Boston · internship
Pay
$53–$65 an hour
Skill demand
Python26%Circuit design21%Embedded systems8%of 99 similar entry-level jobs posted in the US this week
Listed
Nov 5, 2026 · still open

Sign in free to see which of these skills your resume already shows.

About the Role

Lightmatter is seeking a PhD candidate in Photonics Characterization (Electrical Engineering, Physics, or related field) to join the Photonics & Silicon Engineering team. This role involves the design and development of photonic processors and interconnects, specializing in silicon photonics.

Key Responsibilities

  • Participate in electro-optic testing of photonics chips/devices, leveraging hands-on laboratory experience and working with various optical instruments.
  • Conduct tests and characterization of silicon photonics components, including micro-rings, optical phase shifters, and Mach-Zehnder interferometers.
  • Operate a range of optical equipment such as lasers, electro-optic modulators, semiconductor optical amplifiers, PIN receivers, optical spectrum analyzers, optical vector analyzers, and optical filters.
  • Utilize semiconductor test equipment, including vector network analyzers, spectrum analyzers, source-meter units, arbitrary waveform generators, and high-speed oscilloscopes.
  • Design and execute testing protocols for silicon photonics chips and subsystems.
  • Develop and implement automated testing and system interfacing through Python scripting.

Requirements & Tech Stack

  • Recent PhD graduate OR PhD candidate in Photonics with a strong understanding of Silicon Photonics.
  • Demonstrated experience in electro-optic component testing.
  • Experienced in developing and implementing automated testing systems using Python scripting.
  • Proven ability to translate data into actionable strategies.
  • Highly analytical, process-oriented, and capable of working independently to solve complex, non-obvious technical problems in a lab environment.
  • Excellent written and verbal communication skills.

Preferred Qualifications

  • Microcontroller programming
  • Experience with high-speed instruments
  • High-speed communications and understanding of VNA and optical link
  • Understanding of high-speed PCBs and/or micro electronics
  • Experience working in a graduate-level photonics or electrical engineering lab.
  • Willingness and curiosity to learn.

Compensation

  • Hourly Range: $53 — $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)

Benefit eligibility may vary depending on employment status and location.

Export Control

Candidates should have the capacity to comply with the federally mandated requirements of U.S. export control laws.

H-1B sponsor

Lightmatter filed 3 entry-level H-1B applications for new hires (Oct 2025 - Jun 2026, Department of Labor).

See their H-1B record →

Entry-Level Jobs in Boston · last 7 days

60 openings · 59 need no experience

Most hiring: Massachusetts General Hospital, Wayfair, IBM

See all 60 →

FirstHire never charges to apply, and real employers don't ask for money for tests, interviews or offer letters. How we list jobs · Report this job