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!
Lightmatter builds chips that enable extreme-scale AI computing clusters. If you're a collaborative engineer or scientist who has a passion for innovation, solving challenging technical problems and doing impactful work, consider joining the team at Lightmatter!
We are hiring an Electro-Optic Systems Architect. The selected candidate will partner with the internal engineering team to deliver groundbreaking products to the market. In this role, you will be responsible for ensuring that Passage’s electrical-optical-electrical links are performant 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.
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
- Electro-optic system modeling using Cadence photonics-analog simulators (Verilog-A, Spectre, Virtuoso), VPI Photonics, and Keysight ADS
- Co-design the analog and photonic devices with the engineering 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.
- Author, review, and validate architectural specifications.
This is not a complete listing of the responsibilities. It’s a representation of the things you will be doing.
Qualifications
- PhD in electrical engineering, physics, applied physics, or a discipline related to photonics.
- 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.
- Experience with corner analysis and Monte Carlo analysis.
- Ability and desire to collaborate in a cross-disciplinary team.
- Demonstrated strong problem solving skills specifically pertaining to problems that do not have obvious solutions.
Preferred Qualifications
- Experience with 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.
- Excellent written and verbal communication skills.
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.