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 a Hardware System Engineer to help drive post-silicon planning and execution for some of the leading photonics-based interconnect solutions. You will work alongside a team of world-class scientists and engineers in defining how the system will be optimized and trailblaze problems that are new to the industry. If your passion is innovation, solving challenging technical problems and doing impactful work you should join our team and help build the world's first optical computers!
In this job, you will work in close collaboration with analog designers, photonics engineers, computer architects, software engineers, and RTL design engineers to design innovative compute-accelerators that work with photonic technology to power the growing AI/ML workloads that customers want while keeping power low. This will be a great opportunity to define the next advance in computer architecture!
Responsibilities- In-depth analysis of PHY and optical link performance
- Close collaboration with various teams to develop tuning and calibration algorithms for photonics and analog logic
- Hands on post-silicon performance analysis and debug
- Creation of post-silicon test cases and planning
- Cross team functional post-silicon bring-up and execution
- Behavioral modeling of photonics and analog circuits
- Ability to run and analyze mixed signal simulations
- Master’s in Electrical/Computer Engineering with a minimum of 7 years of industry experience
- Expertise with modeling advanced systems in SystemVerilog
- Expertise in Scripting - Python
- Strong knowledge of optical link design architectures
- Familiarity with ASIC design flows and FinFET technologies
- Understanding of digital design concepts, including RTL coding in Verilog and running/debugging simulations
- PhD degree in Electrical/Computer Engineering with a minimum of 3 years of industry experience
- Expertise with modeling advanced systems in Python and C
- Expertise in Scripting - C, Perl, or TCL
- 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. 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.
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What We Do
Lightmatter is a startup photonics company that has pioneered a new paradigm in processor chip architecture that uses photons instead of electrons. Now the leader in the photonic AI compute “space race,” this new class of high performance semiconductors is the foundation of Lightmatter’s mission to enable the growth of computing, reduce harmful emissions associated with this growth, and democratize computing for all.
Lightmatter's technology accelerates critical operations in deep neural networks, using an array of programmable photonic elements fabricated alongside transistors in conventional computer chip fabrication processes. Our close-knit team of engineers has created an integrated photonics chip and ultra-high performance interconnect that is faster, more efficient, and cooler than anything else on earth (or anything ever experienced before) to power the next giant leaps in human progress.
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