Posted 3 months ago
Sr. Staff Physical Design Engineer
@ Lightmatter
Toronto, Ontario
Overview
Lightmatter is hiring a Senior Staff Physical Design Engineer to implement complex digital blocks for high-performance ASICs in advanced 3nm process nodes. The role covers timing closure, power integrity and physical verification, and includes writing scripts to automate flows. The salary is $191,000 to $219,000 CAD, with a flexible hybrid workplace.
Responsibilities:
- Implement digital blocks in advanced nodes from synthesis to physical verification
- Drive full-chip STA signoff and implement ECOs
- Drive power analysis and floor planning, IO placement and clock distribution
- Debug and clean up DRC/LVS
- Write TCL, Python or Shell scripts to automate flows
Requirements summary:
- Bachelor's in electrical or computer engineering
- 12+ years as a Physical Design Engineer
- Completed blocks or top-level physical design for large ASICs that taped out
- Thorough knowledge of timing and LVS/DRC closure
- Experience with TCL and Python or other scripting languages
Tools & skills
Benefits mentioned
Source and dates
Employer career site / ATS feed · greenhouse
- Employer posting date
- 2026-07-24
- First seen by our source
- 2026-10-08
- Source record updated
- 2026-10-10
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Engineering |
| Experience | 12+ years |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Education | Bachelor’s degree (required), Master’s degree (preferred) |
| Fields of study | Electrical Engineering, Computer Engineering |
| Perks mentioned | Generous paid time off, Retirement plan, Stock or equity, Transit support, Paid training |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Lightmatter
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
A Giant Leap
Full company description
We are building the engine that will power discoveries, drive progress, and redefine what computers—and human beings—are capable of.
- LinkedIn followers
- 37,408
- People associated on LinkedIn
- 228
- Reported office locations
- 800 W El Camino Real, Mountain View, California 94040, US
- 100 Summer St, Boston, Massachusetts 02136, US
- 18 King St E, Suite 1200, Toronto, Ontario M5C 1C4, CA
- Business categories
- Semiconductor
- Data Center
- Artificial Intelligence
- Software
- Hardware
- Artificial Intelligence (AI)
- Machine Learning
- AI Infrastructure
- Other recorded names
- Lightmatter
- Profile identifies a recruitment agency
- No
- Reported total investment
- 822,000,000
Currency and observation date were not supplied; this is not a current valuation or a funding round.
We are building the engine that will power discoveries, drive progress, and redefine what computers—and human beings—are capable of.
| Field | Value |
|---|---|
| Industry | Computer Hardware Manufacturing |
| Company size | 201-500 employees |
| Headquarters | Mountain View, California |
| Organization type | Privately Held |
| Year founded | 2017 |
| Open jobs on Jobsy | 13 |
| View page |
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. 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.
Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter!
If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders.
Lightmatter is (re)inventing the future of computing with light!
We are seeking a highly skilled Senior Physical Design Engineer to work on the implementation of complex digital blocks. In this role, you will leverage your expertise in advanced process nodes (3nm) to drive timing closure, power integrity, and physical verification for high-performance ASICs. Beyond standard digital flows, you will have the unique opportunity to work alongside a team of world-class scientists and engineers in defining how the system will be optimized and trail blaze problems that are new to the photonics industry! If your passion is innovation, solving challenging technical problems and doing impactful work you should join our team!
Responsibilities
- Implement digital blocks in advanced tech nodes from synthesis through physical verification, using industry standard tools and flows
- Drive fullchip STA signoff, review constraints, debug timing reports and implement ecos
- Drive power analysis and optimization while balancing area and performance trade-offs
- Drive full chip floor planning, IO placement and clock distribution
- 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
- Work with EDA companies to resolve any tool issues
- Write TCL, Python, or Shell scripts to automate flow or customize existing flows
Qualifications
- Bachelor’s in Electrical Engineering or Computer Engineering
- 12+ 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 Qualifications
- Masters Electrical Engineering or Computer Engineering with 8 years of industry experience
- Hands-on experience with Cadence tools
- Tape-out experience 3nm designs
- Be willing to do manual layouts as well as willingness to learn and do silicon photonics layout
- EM/IR analysis using standard industry signoff tools
We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.
Salary Range: 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.
$191,000—$219,000 CAD
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)
Benefits eligibility may vary depending on your employment status and location. 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.
Export Control
Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.
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