Lightmatter · 4 hours ago
Principal Machine Learning Infrastructure Researcher
Mountain View, CA
Full-time
Hybrid
Lead/Staff
$300K/yr - $350K/yr
10+ years expLightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The Principal Machine Learning Infrastructure Researcher will focus on inventing novel hardware systems and modeling performance for Lightmatter-enabled systems, working closely with product and engineering teams.
AI InfrastructureArtificial Intelligence (AI)Data CenterMachine LearningSemiconductorSoftware
Responsibilities
Stay up to date on the latest advancements in Machine Learning research
Build tools to model the performance of Passage-enabled systems when running both training and inference workloads for the latest AI models
Collaborate with our product and solutions architecture teams to design compelling reference platforms for our customers, powered by Lightmatter technology
Function as the Machine Learning expert in the room
Publish academic papers at top industry conferences and journals. Help support the publication of whitepapers, blog posts, and other marketing collateral
Lead a small team of Machine Learning engineers
Qualification
Required
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
Demonstrated ability to creatively problem-solve and apply first-principles thinking to generate novel ideas, particularly in ambiguous, evolving environments
Exceptional skills in communicating complex research outcomes and technical concepts to partners and internal stakeholders, while embodying our value of speaking truth
Ability to work across research, product, and business functions, rolling up your sleeves to bridge gaps and accelerate outcomes, while demonstrating the core value of 'We are one Lightmatter.'
Adaptable and versatile, thriving in a high-speed, high-precision environment
Experience in managing engineers and leading projects, with the ability to lift up the team, and work with high standards and high collaboration
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)
Company
Lightmatter
Lightmatter develops photonic chips that enable data processing and communication using light instead of electricity.
201-500 employees
H1B Sponsorship
Lightmatter has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (12)
2023 (5)
2022 (4)
2021 (4)
2020 (4)
Funding
Current Stage
Late StageTotal Funding
$822MKey Investors
T. Rowe PriceViking Global InvestorsGoogle Ventures
2024-10-16Series D· $400M
2023-12-19Series C· $155M
2023-05-31Series C· $154M
Leadership Team
Nicholas Harris
Founder, CEO
B
Bob Turner
Sr. VP Sales & Solution Architecture
Recent News
2025-11-23
2025-10-09
Company data provided by crunchbase