Principal Machine Learning Infrastructure Researcher

Lightmatter • toronto, on, Canada • Posted May 31, 2026

Location toronto, on

Job Type Full-time

Category Other-General

Posted May 31, 2026

Principal Machine Learning Infrastructure Researcher Toronto, ON 
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 is seeking a Principal of Machine Learning Infra...
            

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