Lightmatter Jobs Hiring Now
Lightmatter is hiring for 15 open roles on Migrate Mate as of July 16, 2026, concentrated in electrical engineering and engineering (Non-Software), with listed salaries up to about $267,000. Migrate Mate updates Lightmatter's live openings daily. Lightmatter is a photonics and semiconductor technology company developing optical computing hardware for high-performance applications.
Find Lightmatter JobsOverview
Lightmatter hiring data on Migrate Mate, as of July 16, 2026.
- Open jobs
- 15
- Top team
- Electrical Engineering
- Seniority
- Manager level or above
- Work type
- 73% remote or hybrid
- Top location
- Mountain View
- Salary range
- $135,000–$267,000
Listed salaries for Lightmatter roles on Migrate Mate range from about $135,000 to $267,000 per year across 15 open roles, as of July 16, 2026.
Open Roles at Lightmatter
Showing 15 of 15+ Lightmatter jobs
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 Role
You will be focused on validating and architecting package and system-level test strategies for high-speed I/O interfaces on Lightmatter's novel product line. In this role, you will be responsible for setting up and executing high-speed electrical characterization, driving link bring-ups, and stress-testing I/Os in system environments.
You will work closely with cross-functional teams to transition these technologies into high-volume manufacturing. We are looking for an engineer with a proven track record of testing real-world industry products. You will be part of a growing interdisciplinary team with a lot of opportunities to learn and make a big impact.
Responsibilities
- Execute high-speed serial I/O characterization and validation across multiple platforms for Lightmatter products.
- Work directly with architecture, signal integrity, and silicon design teams to understand the technology and conceptualize characterization and test techniques targeting product manufacturing.
- Architect test concepts, test platforms, and design-for-test rules, providing critical feedback during the technology concept phase.
- Set up and operate a wide range of high-speed lab equipment, including oscilloscopes, BERTs, AWGs, TDRs, and VNAs/PNAs.
- Develop Python-based test software and scripts to automate lab measurements, test execution, data analysis, and parameter extraction.
- Define and develop stress testing methodologies to identify design operating limits of serial I/Os post-system integration.
- Troubleshoot and triage complex issues with compliance test hardware, fixtures, software, and the Device Under Test (DUT).
- Work with vendors to specify and procure state-of-the-art test equipment.
Requirements
- Master's in Electrical Engineering, Computer Engineering, or a related field.
- 6+ years of industry experience in transceiver, SerDes, or high-speed link test development on products
- Extensive hands-on lab experience and familiarity with high-speed equipment, including oscilloscopes, BERTs, PPGs, VNAs, and spectrum analyzers.
- Strong familiarity with high-speed interfaces and analog building blocks (e.g., PLL, CDR, CTLE, DFE, FFE, and FEC).
- Experience in test system automation and data processing using Python.
- Strong analytical and debugging skills to identify and solve hardware and signal integrity issues during the testing process.
- Ability to convey complex technical concepts to both technical and non-technical stakeholders.
Preferred Qualifications
- Hands-on experience in the characterization and testing of silicon photonics components and circuits (e.g., tunable lasers, power meters, polarization synthesizers, OBR/OVA).
- Understanding of Silicon Photonics components and optical testing methodologies.
- Deep knowledge of system-level SerDes design and channel analysis, including understanding insertion loss, return loss, crosstalk, and link training algorithms.
- Knowledge of industry specifications such as IEEE 802.3, OIF, PCIe, or USB4.
- Ph.D. with 2+ years of relevant industry experience.
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 Role
You will be focused on validating and architecting package and system-level test strategies for high-speed I/O interfaces on Lightmatter's novel product line. In this role, you will be responsible for setting up and executing high-speed electrical characterization, driving link bring-ups, and stress-testing I/Os in system environments.
You will work closely with cross-functional teams to transition these technologies into high-volume manufacturing. We are looking for an engineer with a proven track record of testing real-world industry products. You will be part of a growing interdisciplinary team with a lot of opportunities to learn and make a big impact.
Responsibilities
- Execute high-speed serial I/O characterization and validation across multiple platforms for Lightmatter products.
- Work directly with architecture, signal integrity, and silicon design teams to understand the technology and conceptualize characterization and test techniques targeting product manufacturing.
- Architect test concepts, test platforms, and design-for-test rules, providing critical feedback during the technology concept phase.
- Set up and operate a wide range of high-speed lab equipment, including oscilloscopes, BERTs, AWGs, TDRs, and VNAs/PNAs.
- Develop Python-based test software and scripts to automate lab measurements, test execution, data analysis, and parameter extraction.
- Define and develop stress testing methodologies to identify design operating limits of serial I/Os post-system integration.
- Troubleshoot and triage complex issues with compliance test hardware, fixtures, software, and the Device Under Test (DUT).
- Work with vendors to specify and procure state-of-the-art test equipment.
Requirements
- Master's in Electrical Engineering, Computer Engineering, or a related field.
- 6+ years of industry experience in transceiver, SerDes, or high-speed link test development on products
- Extensive hands-on lab experience and familiarity with high-speed equipment, including oscilloscopes, BERTs, PPGs, VNAs, and spectrum analyzers.
- Strong familiarity with high-speed interfaces and analog building blocks (e.g., PLL, CDR, CTLE, DFE, FFE, and FEC).
- Experience in test system automation and data processing using Python.
- Strong analytical and debugging skills to identify and solve hardware and signal integrity issues during the testing process.
- Ability to convey complex technical concepts to both technical and non-technical stakeholders.
Preferred Qualifications
- Hands-on experience in the characterization and testing of silicon photonics components and circuits (e.g., tunable lasers, power meters, polarization synthesizers, OBR/OVA).
- Understanding of Silicon Photonics components and optical testing methodologies.
- Deep knowledge of system-level SerDes design and channel analysis, including understanding insertion loss, return loss, crosstalk, and link training algorithms.
- Knowledge of industry specifications such as IEEE 802.3, OIF, PCIe, or USB4.
- Ph.D. with 2+ years of relevant industry experience.
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.
Job Roles at Lightmatter
Working at Lightmatter
Lightmatter's 15 open roles are manager level or above, and about 73% are remote or hybrid. The most active teams are electrical engineering, engineering (Non-Software), and AI (Artificial Intelligence). Lightmatter builds optical computing and photonic integrated circuit technology, with engineering work spanning photonics design, physical design, mechanical and thermal engineering, and hardware systems. The company develops specialized semiconductor hardware that uses light rather than conventional electrical signals to move and process data. Most Lightmatter roles are based in Mountain View and Boston.
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Browse jobs by roleLightmatter Jobs: Frequently Asked Questions
How many jobs is Lightmatter hiring for right now?
Lightmatter is hiring for 15 open roles on Migrate Mate as of July 16, 2026, updated daily, concentrated in electrical engineering and engineering (Non-Software). Openings span hardware engineering disciplines including photonics, mechanical, electrical, and physical design, reflecting active development across the company's core technology stack.
What kinds of roles does Lightmatter hire for?
The most active teams are electrical engineering, engineering (Non-Software), and AI (Artificial Intelligence). Lightmatter hires primarily for hardware and semiconductor engineering roles, including photonics design, physical design, mechanical and thermal engineering, electrical test, mixed-signal validation, and hardware systems leadership. Most postings are manager level or above, meaning the majority of open positions require substantial prior engineering experience in relevant technical disciplines.
Are Lightmatter jobs remote or in-person?
Mostly remote. About 73% of Lightmatter's open roles on Migrate Mate are remote or hybrid as of July 16, 2026, with the rest based in Mountain View. Each Lightmatter listing shows its work location so you can filter before applying.
How do I apply to a job at Lightmatter?
Find a Lightmatter role on Migrate Mate, then follow the listing directly to Lightmatter's own careers page to submit your application. Lightmatter manages its own hiring process, including application review, interviews, and offers. Migrate Mate keeps Lightmatter's listings current so you can track what's open without checking the company's site separately.
What do Lightmatter jobs pay?
Listed salaries for Lightmatter roles on Migrate Mate range from about $135,000 to $267,000 per year as of July 16, 2026, with most postings at manager level or above. Exact pay is set by Lightmatter and shown on each listing.
Does Lightmatter hire entry-level?
Most of Lightmatter's open roles on Migrate Mate are manager level or above as of July 16, 2026. Entry-level openings are limited. Check individual Lightmatter listings for stated experience requirements.
Where is Lightmatter hiring?
Most Lightmatter roles are based in Mountain View and Boston, and about 73% offer remote or hybrid work as of July 16, 2026. Migrate Mate shows the location on each listing.