Lightmatter Logo

Lightmatter

Senior Staff Electro-Optic Systems Architect

Posted 10 Days Ago
Be an Early Applicant
In-Office
Mountain View, CA, USA
Senior level
In-Office
Mountain View, CA, USA
Senior level
Designs and validates end-to-end electro-optic systems for high-volume photonics products. Responsibilities include system modeling with Cadence, VPI Photonics, and Keysight ADS; co-designing silicon photonic devices; developing high-speed RF experiments; testing optical modulators and receivers; analyzing performance, power, and production requirements; and collaborating with electronics and photonics engineering teams.
The summary above was generated by AI

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!

We are hiring an Electro-Optic Systems Architect. The selected candidate will partner with external facing teams at Lightmatter and internal engineering teams to deliver groundbreaking products to the market. In this role, you will contribute to the design and development of innovative photonics architecture solutions to deliver high-volume products for our customers. In particular, you will be responsible for ensuring that Passage’s electrical-optical-electrical links are operational and meet customer requirements. You will engage with our cross-disciplinary engineering teams to model and analyze solutions. You may also test and measure prototypes to validate the models. This role requires a solid understanding of leading-edge CMOS, advanced silicon photonics, high-speed (40+ GHz) electro-optic interfaces, and 3D integration. The role also requires creativity, analytical skills, and clear communication skills. You are encouraged to represent the company at technical conferences as an example of our technical leadership.

Join a tight-knit team where each individual’s contributions directly influence the success of the company and product. You'll have the opportunity to build a new kind of computer from the ground up and to solve groundbreaking challenges along the way. Work with people who love to build and who thrive in technically diverse environments where great ideas are prioritized.

Responsibilities
  • Creative problem-solving and contributing to high-performance electro-optic architecture solutions for high-volume products.
  • Electro-optic system modeling using Cadence photonics-analog simulators (Verilog-A, Spectre, Virtuoso), VPI Photonics, and Keysight ADS. 
  • Design the end-to-end electrical-optical-electrical system-level link to meet the customer requirements.
  • Co-design the silicon photonic devices with the photonics architecture and design teams based on the end-to-end simulation results.
  • Validate the models by designing high-speed RF experiments, conducting proof-of-concept experiments, and analyzing existing data.
  • Actively collaborate with electronics and photonics engineers to specify, design, and validate circuits that meet performance, power, and production requirements.
  • Document and present your contributions to internal and external stakeholders

This is not a complete listing of the responsibilities. It’s a representation of the things you will be doing.

Qualifications
  • A Ph.D. degree in Electrical Engineering or similar discipline with at least 5 years of relevant experience, or Master’s degree with at least 8 years of relevant experience.
  • Minimum 3 years of experience in electronic-photonic-electronic systems simulation
  • Minimum 2 years of experience in hardware testing and measurements of photonic high-speed optical modulators and receivers.
  • Proficient in Cadence photonics-analog simulators (Virtuoso, Spectre, Verilog-A), Ansys HFSS, Keysight ADS.
  • Highly proficient in coding simulations in Python or Matlab.
  • Highly proficient in RF/mm-wave analog circuit design.
  • Highly proficient modeling optical communication links.
  • Experience with corner analysis and Monte Carlo analysis.
  • Experience collaborating with photonics and electronics teams.
Preferred Qualifications
  • Experience in product development or projects with industry.
  • Silicon photonic integrated circuit design and test experience.
  • Knowledge of signal processing and signal integrity in optical communications.
  • Knowledge of SERDES and mixed signal interfaces.
  • Strong publication record. 
  • Excellent written and verbal communication skills.
  • Willingness and ability to learn quickly. Self-starter with a “no task is too big or small” attitude.

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 Mountain View, California, USA Office

At Lightmatter, we have a flexible work structure; employees work remotely and work from our physical offices located in Boston, MA, and Mountain View, CA

Similar Jobs

An Hour Ago
Hybrid
18-22 Hourly
Entry level
18-22 Hourly
Entry level
eCommerce • Fashion • Retail • Sales • Wearables • Design
Assist customers with product selection and styling, provide personalized recommendations, drive sales through product knowledge and storytelling, complete POS transactions, maintain stockroom organization, and support a welcoming retail environment. The role requires flexible scheduling, teamwork, strong communication, multitasking, and the ability to lift and maneuver merchandise.
Top Skills: Pos
An Hour Ago
Hybrid
18-22 Hourly
Entry level
18-22 Hourly
Entry level
eCommerce • Fashion • Retail • Sales • Wearables • Design
Provides personalized styling advice and product recommendations, builds customer relationships, drives sales, processes POS transactions, maintains stockroom organization, and supports a seamless retail experience. Requires strong communication, product knowledge, teamwork, flexibility for high-traffic schedules, and ability to perform physical sales-floor and stockroom duties.
Top Skills: Omnichannel Selling TechnologiesPos SystemsSocial MediaVirtual Selling Technologies
An Hour Ago
Hybrid
18-22 Hourly
Entry level
18-22 Hourly
Entry level
eCommerce • Fashion • Retail • Sales • Wearables • Design
Assists customers with product selection and styling, provides knowledgeable recommendations, drives sales through customer engagement, processes POS transactions, and maintains stockroom and sales-floor operations. The role requires flexible scheduling, teamwork, strong communication, retail experience, and the ability to lift up to 50 pounds occasionally while performing physical store duties.
Top Skills: Omni-Channel SellingPosSocial Media

What you need to know about the San Francisco Tech Scene

San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.

Key Facts About San Francisco Tech

  • Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Google, Apple, Salesforce, Meta
  • Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
  • Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
  • Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account