Hardware Test Engineer Internships
Hardware test engineer internships give university students, recent graduates, and early-career switchers hands-on project experience testing real hardware systems, mentorship from working engineers, and, at many employers, a path toward a full-time offer. Openings are concentrated in {{top_industries_phrase}}, with Wing, Amazon, and PROception among the employers posting roles now.
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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
Are you ready to do meaningful internship work on technology that is changing how AI systems are built? The System Level Test team owns the final at-speed test of our silicon photonics products. These are cutting-edge high-speed optical interconnects built to move data between the processors that power AI datacenters, where copper is running out of reach and light is taking over. We build the test methods, the automation, and the data behind the pass vs fail decision. This summer's project is a hands-on optical characterization and correlation study aimed at improving how our products are tested in production. You will work on real optical hardware in the lab, build the measurement automation, generate the data, and write the recommendation that decides whether the approach moves forward. The result will directly influence how our next products are tested.
Responsibilities:
- Characterize a set of silicon photonics units on bench optical instrumentation, measuring output power, modulation amplitude, extinction ratio, and wavelength.
- Build automation to run measurements, control the lab setup, and log results in a consistent, reusable data format.
- Correlate unit measurements against a calibrated laboratory reference and quantify per-unit offsets and population spread.
- Measure unit stability across time, temperature, and repeated re-insertion, and analyze repeatability and drift.
- Deliver a feasibility and gap assessment with a clear recommendation, including the calibration and maintenance scheme needed for production deployment.
Requirements:
- Currently enrolled in a Bachelor's program in Electrical Engineering, Physics, Optical Engineering, or a related field.
- Coursework or project experience in at least one of: integrated circuit design, device or circuit characterization, or electrical or optical testing.
- Hands-on experience with standard lab equipment such as oscilloscopes, multimeters, power supplies, or optical power meters, from coursework, research, or a prior internship.
- Programming experience in Python or a similar language, including reading and plotting measurement data.
Preferred Qualifications
- Research, lab, or prior internship experience in photonics or semiconductors.
- Experience automating lab instruments (PyVISA, SCPI, or similar).
- Familiarity with basic statistics: mean, standard deviation, repeatability, and gauge or measurement uncertainty.
- Publications, projects, or open-source contributions related to the role.
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.
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
Are you ready to do meaningful internship work on technology that is changing how AI systems are built? The System Level Test team owns the final at-speed test of our silicon photonics products. These are cutting-edge high-speed optical interconnects built to move data between the processors that power AI datacenters, where copper is running out of reach and light is taking over. We build the test methods, the automation, and the data behind the pass vs fail decision. This summer's project is a hands-on optical characterization and correlation study aimed at improving how our products are tested in production. You will work on real optical hardware in the lab, build the measurement automation, generate the data, and write the recommendation that decides whether the approach moves forward. The result will directly influence how our next products are tested.
Responsibilities:
- Characterize a set of silicon photonics units on bench optical instrumentation, measuring output power, modulation amplitude, extinction ratio, and wavelength.
- Build automation to run measurements, control the lab setup, and log results in a consistent, reusable data format.
- Correlate unit measurements against a calibrated laboratory reference and quantify per-unit offsets and population spread.
- Measure unit stability across time, temperature, and repeated re-insertion, and analyze repeatability and drift.
- Deliver a feasibility and gap assessment with a clear recommendation, including the calibration and maintenance scheme needed for production deployment.
Requirements:
- Currently enrolled in a Bachelor's program in Electrical Engineering, Physics, Optical Engineering, or a related field.
- Coursework or project experience in at least one of: integrated circuit design, device or circuit characterization, or electrical or optical testing.
- Hands-on experience with standard lab equipment such as oscilloscopes, multimeters, power supplies, or optical power meters, from coursework, research, or a prior internship.
- Programming experience in Python or a similar language, including reading and plotting measurement data.
Preferred Qualifications
- Research, lab, or prior internship experience in photonics or semiconductors.
- Experience automating lab instruments (PyVISA, SCPI, or similar).
- Familiarity with basic statistics: mean, standard deviation, repeatability, and gauge or measurement uncertainty.
- Publications, projects, or open-source contributions related to the role.
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.
Hardware Test Engineer Internship Market
Who's Hiring
Tips for Your Hardware Test Engineer Internship Search
Apply in the fall for summer roles
Large employers in semiconductors, defense, and consumer electronics recruit summer interns the preceding fall and close cohorts well before spring. Smaller companies and co-op programs post closer to start dates, so search throughout the year rather than waiting for a single window.
Build a hardware portfolio before you apply
Hiring teams for hardware test engineer internships expect limited work history. What moves your application forward is documented project work: test bench setups, schematic files, measurement scripts, or lab writeups with the instruments and tools named. A linked GitHub repo or design portfolio gives recruiters something concrete to evaluate.
Work your campus network alongside direct applications
Campus career fairs surface structured internship programs tied to your university, and recruiters there often move faster for students they meet in person. Professors and career center staff frequently know which employers recruit from your school before roles post publicly. Applying directly to companies running smaller cohorts at the same time widens the pool you reach.
Practice your technical screen out loud
Hardware test engineer intern interviews typically include a technical screen covering circuit analysis, debugging scenarios, or test methodology questions alongside a behavioral component. Practice answering out loud and walking through your reasoning step by step, interviewers weigh how you diagnose a problem as much as whether you reach the right answer.
Target structured internship programs at larger employers
Many large semiconductor and electronics companies run formal hardware engineering internship cohorts designed to train people new to the field. These programs recruit early and fill fast. Identify the ones that match your discipline, check their recruiting timelines, and apply in the first wave before spots close.
Set your work-type filter before you start
On-site roles are 0% of the hardware test engineer internships listed here. Lab-based testing work often requires physical access to equipment, so decide what you can realistically commit to before you search. Filter by location and work type on Migrate Mate first so you're not sorting through roles you can't take.
Hardware Test Engineer Internships: Frequently Asked Questions
How do I get a hardware test engineer internship?
Lead with coursework and personal projects rather than work history, hiring teams expect limited experience at the intern level. Build a documented hardware portfolio showing test setups, schematics, or lab writeups that give recruiters something concrete to assess. Pair direct applications with campus career fairs, where recruiters often move faster for students they meet in person.
Can a hardware test engineer internship turn into a full-time job?
Many employers extend return offers to strong interns, but conversion is never guaranteed. What actually drives it is consistent performance on real test assignments, available headcount on the team, and how early you signal interest before the return-offer window closes. Position yourself well without counting on it, treat the internship as an extended interview and let the work speak.
When should I apply for hardware test engineer internships?
Earlier than most expect. Large employers, semiconductor companies, defense contractors, and consumer electronics firms, recruit summer interns the preceding fall, often closing cohorts before January. Smaller companies and co-op programs post much closer to start dates, so openings appear year-round. Check listings regularly rather than waiting for a single application season.
Are hardware test engineer internships paid?
Most professional hardware test engineer internships in the U.S. are paid. Compensation varies by company size, industry, and location, and listings display it where the employer discloses it. Unpaid arrangements are uncommon at established employers but do appear occasionally at startups or through academic co-op agreements, read each listing carefully.
What should a hardware test engineer internship resume include?
Lead with two or three complete, documented projects rather than work history. For hardware test engineer candidates, that means listing the specific tools and instruments used, oscilloscopes, signal analyzers, test scripts, CAD files, and linking to any published work, a GitHub repo, or a design portfolio so reviewers can verify the depth. Add relevant coursework and keep the whole document to one page.
Are there remote hardware test engineer internships?
Yes. Remote and hybrid roles make up 100% of the hardware test engineer internship listings here, with the rest on-site. Because hardware work often requires lab access, remote cohorts fill fast when they appear. Apply early and filter by work type to see them before they close.
Can international students get hardware test engineer internships?
Yes. F-1 students can intern through CPT while enrolled or through OPT work authorization after finishing a degree, and the employer does not have to file anything for either, so many companies are open to international interns. Confirm your eligibility and timing with your university's international student office before accepting an offer.
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