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Senior Physical Design Timing Engineer

Lightmatter | toronto, Canada | Posted June 01, 2026

Position Overview

Join Lightmatter as a Senior Physical Design Timing Engineer in Toronto, ON, and contribute to innovative AI data center infrastructure. Leverage your expertise in timing closure and STA to optimize world-class photonics solutions.
In this high-impact role, you will drive backend digital execution while collaborating with a skilled team focused on photonics-based interconnect solutions. Your responsibilities will include timing constraints development and using top tools to achieve timing closure across cutting-edge CMOS technologies.
Key Responsibilities:
• Drive STA sign-off for silicon photonics chips
• Analyze fab guidelines and integrate sign-off corners
• Collaborate with architecture and RTL teams on timing analyses
• Optimize design for power, performance, and area
• Automate timing ECO generation using Tempus/PrimeTime
Requirements:
• Bachelor’s degree in Electrical or Computer Engineering
• 12 years of Physical Design experience, 5 in ASIC STA

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