Electrical Design Engineer

lightmatter

Mountain View, CA · Mountain View · United States

Posted Aug 5, 2026

Full-time
Hybrid
Product Engineering

Job description

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

In this role, you will contribute to the development of board and system solutions that leverage Lightmatter's technology to enable advanced machine learning, artificial intelligence, and large-scale interconnect platforms. You will collaborate closely with teams across hardware and software to design, bring up, and validate system-level products.

Responsibilities

Design and develop power, control, mixed-signal, and high-speed interconnect circuits to meet system requirements
Apply SI/PI, DfX, and industry best practices to meet performance and quality needs
Perform board bring-up, verification, integration, and troubleshooting
Develop and execute test plans to characterize and validate board and system performance
Collaborate with cross-functional teams from concept design through integration and production
Work with component vendors, contract manufacturers, and other partners
Research new components, processes, and technologies to meet product goals
Contribute to design reviews and maintain documentation including design notes, test reports, and specifications

Qualifications

Bachelor's Degree in Electrical Engineering and 5+ years of related experience; or Master's Degree with 3+ years of related experience
Proficient in schematic design using Altium or equivalent (Altium preferred)
Experience performing lab experiments, board bring-up, tests, and analysis
Familiarity with Product Lifecycle Management processes and tools (Arena preferred)

Preferred Qualifications

Familiarity with electrical systems in the networking or similar industries
Experience with common design, manufacturing, and test processes
Experience with cross-functional development and troubleshooting
Familiarity with signal integrity (SI), power integrity (PI), and DfX considerations
Experience with high-speed interfaces such as PCIe, DDR, Ethernet, or SerDes
Experience with Python or scripting languages for test automation and lab tooling

We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.

Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.

$149,000—$206,000 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.