Sr. Staff Physical Design Timing Engineer (STA)
Lightmatter · Boston, MA · Mountain View, CA · Toronto, ON
CHECKED 13H AGO
Infrastructureonsitestaff$217k–$267k
At a glance
Highlights
- Drive STA sign-off for flagship silicon photonics chips for AI data centers.
- Close timing on leading-edge CMOS from synthesis through tapeout signoff.
- Help scale Passage, the 3D-stacked photonics engine using light for compute.
What they offer
- 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
- New hire equity grant and annual performance-based equity
Ideal candidate
A seasoned physical design engineer who thrives on tough timing challenges and loves innovating at the intersection of electronics and photonics. Collaborative, detail-obsessed, and motivated by impactful work on next-gen AI infrastructure.
Requirements
- Bachelor's degree in Electrical or Computer Engineering
- 12 years of Physical Design experience with 5+ years in ASIC STA and timing closure
- Experience managing on-chip variation derates and multi-mode multi-corner constraints
- Proficient in scripting with TCL, Python, Perl, or Shell
- Strong problem-solving skills with attention to technical detail
- Strong team player with clear and precise communication
- remote policy
- Flexible, hybrid workplace model
Lab profile
About Lightmatter
Building 3D-stacked photonics engines connecting AI processors at light speed for data centers.
What they build
- Passage™ 3D-stacked photonics engine
- Photonic interconnects for AI / HPC data centers
Known for
- Silicon photonics
- 3D-stacked packaging
- High-speed analog / mixed-signal design
- Electro-optic systems
Key facts
- Raised $400M Series D
- $4.4 billion valuation