Lightmatter

Lightmatter

Principal Product Engineer

Mountain View, CA · Principal · Full-time

Sponsorship not specified$226k-$263kDetected 1 day ago
PythonJavaRubyBashSQLSnowflakeStatisticsValuationSupply ChainElectrical EngineeringLeadershipCommunication

About the 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.

Responsibilities

  • This position offers a unique opportunity for end-to-end ownership, where you will define the product engineering landscape from the ground up and drive the strategic direction for our hardware portfolio.
  • You will collaborate with cross-functional teams (design, foundry, packaging, test, validation, reliability) to optimize manufacturing flows, improve yield and quality, and reduce costs.
  • Own the product's success by managing yield and quality indicators from first silicon to high-volume manufacturing (HVM).
  • Drive continuous improvement in quality, yield, and cost by reducing test time, eliminating test sockets, closing test holes (DPM reduction), and increasing yield through root cause analysis with cross-functional teams (design, fab, packaging).

Requirements

  • A minimum of 5+ years experience in semiconductor industry as a product engineer, with a cumulative of 12 years of relative industry experience
  • Familiarity with advanced packaging flows
  • Familiarity with ATE Test area equipment and methodology
  • Excellent communication skills with ability to present complex technical information clearly and concisely
  • Familiarity with statistical analysis & data acquisition tools such as JMP, Snowflake
  • The lower half of the range applies to candidates meeting the core requirements, while the upper half is reserved for those who bring the additional specialized experience or extensive years of experience required for our senior-level designation.
  • Master's in Computer Science,Electrical Engineering, Physics, Material Science or a related field
  • Experience developing DFT strategy
  • Experience developing test plans
  • Experience partnering with OSATs to develop manufacturing test flows for CMOS or Optical transceiver products
  • Demonstrated ability to influence senior company leadership and partner with vendors and customers
  • Preferred:
  • Experience partnering with a OSAT to develop manufacturing test flows for Co-Packaged Optics technology
  • Programming or scripting: Python, C, Java, Ruby, SQL, or shell scripting
  • The salary range for this position reflects two distinct internal levels. The lower half of the range applies to candidates meeting the core requirements, while the upper half is reserved for those who bring the additional specialized experience or extensive years of experience required for our senior-level designation.

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 - $262,500 USD
  • The salary range for this position reflects two distinct internal levels.
  • We offer competitive compensation.
  • 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

  • The Product Engineer role is pivotal to Lightmatter's mission, sitting at the center of product delivery and operational excellence.

Visa & Work Authorization

  • Export Control
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This listing is sourced directly from Lightmatter's careers page and normalized into a canonical job model.