Lightmatter

Senior Photonics PDK Design Automation Engineer

Boston, MA; Mountain View, CA · Senior · Full-time

Sponsorship not specified$165k-$200kDetected 5 days ago

PythonBashObject-Oriented ProgrammingGitCI/CDLinuxNumPyValuationCadenceElectrical EngineeringpytestManual TestingCommunicationProblem Solving

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.

Develop and maintain a library of pcells using Python-based layout frameworks. Ensure strict synchronization between physical layout, logical netlists, and behavioral models.
Develop and maintain custom photonic Layout vs Schematic (LVS) decks across multiple foundry technologies
Design and test device and parameter extraction for innovative photonic devices
Actively collaborate with design, layout, modeling, and infrastructure engineers to deliver high impact tape-outs
Automated Verification: Implement regression testing and Continuous Integration (CI) pipelines to ensure PDK updates do not break legacy designs or connectivity logic.
Develop and maintain a library of pcells using Python-based layout frameworks.

Experience with photonics layout
Python based layout experience.
Experience writing software and scripts in languages such as Python, SVRF, Tcl, Bash, and SKILL
In-depth knowledge of integrated photonic devices, analog devices, and parasitics
In-depth knowledge of foundry process (SOI, etching, implants, metal stacks)
Proficiency with Linux environments, advanced version control (Git), and software engineering best practices
Masters or PhD in Electrical Engineering, Computer Engineering, Photonics, or related field.
3+ years experience in LVS deck development for Siemens Calibre, Cadence Pegasus, and/or Synopsys IC Validator, experience troubleshooting and resolving LVS mismatches in complex circuit designs
Python based layout experience. Comfortable with object-oriented programming and scientific libraries (NumPy, SciPy).
Demonstrated strong problem solving skills for problems without obvious solutions

Proficiency with python-based layout tools such as gdstk, GDSFactory, and KLayout
Experience with Git setup, version control, unit testing (pytest), and CI/CD workflows.
Experience with DRC deck and rule development
Strong project execution skills, with the ability to handle multiple priorities and meet project milestones

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!

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.
$165,000 - $200,000 USD

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

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