Sr. Staff Physical Design Timing Engineer (STA)

toronto, on, Canada • Posted June 04, 2026

Job Type: Full-time
Location: toronto, on
Posted: June 04, 2026
Category: Other-General
Application Deadline: July 14, 2026

Role Description

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!

About This Role We are hiring a Physical Design Timing Engineer to help drive backend digital execution for some of the leading photonics based i...

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