Physical Design Engineer

Leading the revolution in AI data center infrastructure with the world's first 3D-stacked photonics engine for advanced AI and HPC workloads.
Backend
Senior Software Engineer
Hybrid
101 - 500 Employees
8+ years of experience
AI · Enterprise SaaS

Description For Physical Design Engineer

Lightmatter is at the forefront of revolutionizing AI data center infrastructure, having created the groundbreaking Passage™ - the world's first 3D-stacked photonics engine. With a recent Series D funding of $400 million and a $4.4 billion valuation, we're rapidly expanding our innovative work in data center photonics.

As a Physical Design Engineer at Lightmatter, you'll be integral to our mission of (re)inventing the future of computing with light. You'll work on backend digital execution for cutting-edge photonics-based interconnect solutions, collaborating with world-class scientists and engineers. This role combines traditional physical design expertise with the exciting challenge of working on revolutionary technology.

Your responsibilities will span from synthesis through routing, timing closure, and tapeout signoff. You'll be working with industry-standard tools while tackling unprecedented challenges in the field. The position requires strong technical skills in physical design, CMOS technologies, and programming capabilities in TCL and Python.

The ideal candidate brings 8+ years of industry experience, with a strong background in custom layout and proven success with large ASICs or mixed signal chips. You'll be joining a dynamic environment where your expertise will directly impact the development of groundbreaking technology that enables the next giant leaps in human progress.

We offer a comprehensive benefits package, including health care, equity, and retirement benefits, along with a flexible hybrid work model. Join us in shaping the future of computing and be part of a team that's making significant strides in AI and HPC infrastructure.

Last updated a month ago

Responsibilities For Physical Design Engineer

  • Implement digital blocks from synthesis through routing
  • Define and clean up timing constraints across different timing modes
  • Build and customize power grid and ensure power integrity goals
  • Debug and clean up DRC/LVS
  • Functional and timing ECO implementation
  • Manual layouts and silicon photonics layout
  • Work with EDA companies to resolve tool issues
  • Write TCL, Python, or Shell scripts to automate flow

Requirements For Physical Design Engineer

Python
  • Bachelor's in Electrical Engineering or Computer Engineering
  • 8+ years of industry experience as a Physical Design Engineer
  • Minimum of three years of custom layout experience
  • Experience in TCL and Python
  • Knowledge of Basic SoC Architecture and HDL languages
  • Must have completed blocks or top level physical design for large ASICs
  • Strong teamwork skills
  • Ability to react to change in fast paced environment

Benefits For Physical Design Engineer

Medical Insurance
Dental Insurance
Vision Insurance
401k
Parental Leave
Commuter Benefits
Equity
  • 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
  • Stock Option Plan

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