Rethinking the limits of AI, Lightmatter merges photonics and computing to build a future where speed, efficiency, and intelligence converge. Backed by GV.
About the role
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.
What they're looking for
- Hands-on proficiency with photonic simulation: VPI Photonics, Lumerical FDTD / INTERCONNECT, or equivalent optical propagation and circuit co-simulation tools
- Experience with analog and mixed-signal simulation: Cadence Virtuoso / Spectre, Verilog-A behavioral modeling, or Keysight ADS for electrical-optical co-simulation
- Demonstrated experience developing and executing optical link budgets, corner analyses, and simulation-to-measurement closure workflows
- Proficiency in Python for simulation scripting, measurement automation, and statistical post-processing
- Excellent written and verbal communication, able to drive architecture and specification discussions with device and circuit teams
- Familiarity with SERDES architecture: equalization topologies (FFE, DFE, CTLE), CDR, and mixed-signal PHY co-design for high-speed interfaces
More about this role
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 seeking a Sr. Staff Engineer, Photonic Link Co-Design to join our Laser Systems Architecture & Engineering team. This is one of the most technically demanding roles at Lightmatter: you will own the end-to-end simulation, co-design, and laboratory verification of photonic-electronic links in Passage™ — from photonic device modeling through to full transceiver channel...
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