Lightmatter
Principal Product Manager, Photonics
Mountain View, CA · Principal · Full-time
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About the role
- 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.
Responsibilities
- Lead product definition, SKU strategy, and market positioning & messaging for Lightmatter's products, including full MRD/PRD ownership.
- Define and own the product roadmap for Lightmatter's photonic computing platform, grounded in a deep understanding of ML workloads, model architecture, and hardware & software co-design trade-offs.
- Engage directly with AI/ML experts, cloud architects, and compute platform teams to validate product-market fit and shape the technical roadmap around real customer needs.
- Develop pricing guidelines, margin analysis, and revenue forecasts establishing competitiveness and profitability in support of corporate financial goals.
Requirements
- Bachelor's in Electrical Engineering, Computer Engineering, or related field.
- Experience with datacenter products and technologies, including compute infrastructure, optical networking, provisioning, and operations at scale..
- Data-driven decision-maker with strong ability to synthesize technical and market data into product strategy.
- Strong, hands-on understanding of the AI/ML systems architecture - including ML model fundamentals, training and inference workload characteristics, XPU and accelerator architectures, and datacenter-scale system design.
- 15+ years of related industry experience with 10+ years in product management, product marketing, applications engineering, or business development roles driving high-complexity semiconductor or systems products to market.
- Proven ability to drive products through the full development cycle: business case → definition → development → design-in → production → EOL
- Strong end-to-end understanding of semiconductor chip development and the AI hardware ecosystem.
- Effective cross-functional communicator who can bridge engineering depth and executive-level clarity.
Nice to have
- Advanced degrees in optics/photonics or computer architecture.
- Deep technical knowledge of silicon photonics and/or optical interconnect technologies.
- Broad professional network across photonics, AI/ML, semiconductor, and cloud infrastructure segments.
- Self-starter with strong bias for action in a fast-paced, high-ambiguity environment - comfortable managing competing priorities and driving to results quickly.
- "No task too big or small" attitude with a genuine willingness to roll up sleeves wherever needed.
Skills
- Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress.
- Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion.
- Lightmatter is (re)inventing the future of computing with light!
Compensation
- total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.
- $226,000 - $317,000 USD
- The base salary range for this role determined based on location, experience, educational background, and market data.
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
- Commuter Benefits
- Equity grants (applicable to full-time employees)
- 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.
- Flexible, hybrid workplace model
Company info
- We are charting the path for the future of AI infrastructure.
- Drive rollout to lead customers and manage full product lifecycle from early development through production and EOL.
- We offer competitive compensation.
Visa & Work Authorization
- Export Control
This listing is sourced directly from Lightmatter's careers page and normalized into a canonical job model.