Lightmatter · 1 week ago
Staff Physical Design Engineer
Mountain View, CA
Full-time
Hybrid
Lead/Staff
$195K/yr - $214K/yr
8+ years expLightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company is seeking a highly skilled Senior Physical Design Engineer to work on the implementation of complex digital blocks, leveraging expertise in advanced process nodes to drive timing closure, power integrity, and physical verification for high-performance ASICs.
AI InfrastructureArtificial Intelligence (AI)Data CenterMachine LearningSemiconductorSoftware
Responsibilities
Implement digital blocks in advanced tech nodes from synthesis through physical verification, using industry standard tools and flows
Understand and debug timing constraints, derates and margins. Review signoff STA reports and fix timing violations for all timing scenarios
Build and customize power grid and ensure power integrity goals are met
Understand clock details and be able to customize clock implementation for functional and test clocks
Debug and clean up DRC/LVS
Functional and timing ECO implementation
Be willing to do manual layouts as well as willingness to learn and do silicon photonics layout
Work with EDA companies to resolve any tool issues
Write TCL, Python, or Shell scripts to automate flow or customize existing flows
Qualification
Required
Bachelor's in Electrical Engineering or Computer Engineering
At least 8+ years of industry experience working as a Physical Design Engineer
Must have completed blocks or top level physical design for large ASICs or mixed signal chips that taped out
Thorough knowledge of timing closure, LVS/DRC closure
Experience in TCL and Python (or other scripting languages)
Strong teamwork skills with the ability to collaborate with multiple functional teams across a variety of fields
Ability to react to change and thrive in a fast paced environment
Preferred
Masters Electrical Engineering or Computer Engineering
Hands-on experience with Cadence tools
Tape-out experience 3nm designs
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)
Company
Lightmatter
Lightmatter develops photonic chips that enable data processing and communication using light instead of electricity.
201-500 employees
H1B Sponsorship
Lightmatter has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (12)
2023 (5)
2022 (4)
2021 (4)
2020 (4)
Funding
Current Stage
Late StageTotal Funding
$822MKey Investors
T. Rowe PriceViking Global InvestorsGoogle Ventures
2024-10-16Series D· $400M
2023-12-19Series C· $155M
2023-05-31Series C· $154M
Leadership Team
Nicholas Harris
Founder, CEO
B
Bob Turner
Sr. VP Sales & Solution Architecture
Recent News
2025-11-23
2025-10-09
Company data provided by crunchbase