Sr. Physical Design Flow & Methodology 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'll develop and extend physical design flows from synthesis through signoff in Python and TCL, apply AI and LLM-based tools to automate tasks like report triage and DRC/LVS analysis, prototype new EDA capabilities, build regression and QoR tracking tools, support implementation teams, and document and train others.

Requirements

  • Bachelor's in Electrical Engineering, Computer Engineering or Computer Science plus at least 5 years of related industry experience
  • Contributed to at least one ASIC or mixed-signal chip through tapeout
  • Solid understanding of RTL-to-GDS flow
  • Strong Python skills and working knowledge of TCL and shell scripting
  • Practical experience with AI coding assistants or LLM tools, or strong interest in learning
  • Strong teamwork skills
  • Comfortable with ambiguity in a fast-paced environment

Responsibilities

  • Develop, maintain and extend physical design flows from synthesis through signoff in Python and TCL
  • Use AI and LLM-based tools to automate flow tasks
  • Research and prototype new flow capabilities and EDA features, then productionize them
  • Build tools for regression testing, QoR tracking and dashboards
  • Support implementation teams by debugging flow problems and working with EDA vendors
  • Run blocks through the flow to validate methodology changes
  • Write documentation and train the PD team

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)