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Active14mo ago

Principal Machine Learning Infrastructure Researcher

Lightmatter·📍 Mountain View, California, United States

Employment

Full-Time

Work mode

On-site

Experience

10+ years

Salary

$300K – $350K/yr

OverviewRequirementsCompanySimilar jobs

Role overview

Job description

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 Infrastructure Researcher

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About this listing

  • Source: Lightmatter's official careers site (via Greenhouse) · last confirmed on the source 27 Oct 2026
  • Posted 22 Aug 2025

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What they are looking for

Skills & requirements

machine learning →ai →

Qualification

PhD in Computer Science, Electrical Engineering, or a related field and at least 10 years of industry or research experience in the field. Solid background in Machine Learning systems research and experience with performance evaluation and performance modeling. Hands-on experience with machine learning / deep learning methods and extensive knowledge of Large Language Model training and inference frameworks. Academic publications in relevant journals and industry conferences. Strong knowledge of AI systems, including compute (GPUs, TPUs, etc.) and networking (Ethernet, Infiniband, NVLink, etc.) technologies, and their various topologies, paradigms, and trade-offs . Proven track record leading a team to deliver published results. Preferred

Department · Machine Learning

Hiring company

Lightmatter

Rethinking the limits of AI, Lightmatter merges photonics and computing to build a future where speed, efficiency, and intelligence converge.

Company profile →Open jobs →Company site ↗

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