Senior Staff Physical Design Engineer

Lightmatter is a photonic-computing company developing optical interconnects and light engines for AI-scale data centers.

Mountain View, United States
About Lightmatter

Founded in 2017 by MIT researchers, Lightmatter develops photonic infrastructure for AI, including its Passage interconnect platform and Guide light engine.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will implement complex digital blocks in advanced process nodes from synthesis through physical verification. You will drive full-chip timing signoff, power analysis and optimization, floorplanning, IO placement, clock distribution, DRC/LVS cleanup, and functional and timing ECOs. You will also resolve EDA tool issues and automate or customize flows with scripts.

Requirements

  • Bachelor’s degree in Electrical Engineering or Computer Engineering
  • 12+ years of industry experience as a Physical Design Engineer
  • Experience completing block-level or top-level physical design for large taped-out ASICs or mixed-signal chips
  • Knowledge of timing closure and LVS/DRC closure
  • Experience with TCL and Python or other scripting languages
  • Teamwork and cross-functional collaboration skills
  • Ability to thrive in a fast-paced environment

Responsibilities

  • Implement digital blocks from synthesis through physical verification
  • Drive full-chip STA signoff, review constraints, debug timing reports, and implement ECOs
  • Drive power analysis and optimization while balancing area and performance
  • Drive full-chip floorplanning, IO placement, and clock distribution
  • Customize clock implementation for functional and test clocks
  • Debug and clean up DRC/LVS
  • Implement functional and timing ECOs
  • Work with EDA companies to resolve tool issues
  • Write TCL, Python, or Shell scripts to automate or customize flows

Benefits

  • Comprehensive medical, dental, and vision health plan
  • Retirement savings matching program
  • Basic, voluntary, and AD&D life insurance
  • Vacation, sick time, and public holidays
  • Paid family leave
  • Short-term and long-term disability coverage
  • Commuter benefits
  • Flexible hybrid workplace model
  • Equity grants for eligible full-time employees
Senior Staff Physical Design Engineer at Lightmatter | JobStash