Photonics Architect

lightmatter· Architecture
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📍 Toronto, ON

About this role

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 hiring a Photonics Architect. The selected candidate will partner with the internal engineering team to deliver groundbreaking products to the market. As an architect, you will provide detailed technical documents that describe what needs to be built to the engineering team. This will require a solid understanding of process technology, state of the art in photonics design, and clear communication skills. In this role, you will be defining the (micro-)architecture for a ground-breaking photonic-based communication fabric. From component-level design to top-level layout, you will be part of a team that a

 Responsibilities:

  • Propose innovative photonic designs—modulators, receivers, multiplexers, lasers, amplifiers—for the product.
  • Work closely with the photonic engineering design team to provide the performance, power, and area estimates of the photonic devices within Passage.
  • Actively collaborate with the analog engineering team to provide a high-bandwidth photonic interconnect solution.
  • Author, review, and validate architectural specifications.

Qualifications:

  • PhD in electrical engineering, physics, applied physics, or a discipline related to photonics.
  • In-depth knowledge of photonic devices and semiconductor physics.
  • Experience with integrated silicon photonics components. Preferably has experience with photonic simulation tools: FDTD, umerical, Verilog-A, VPI Photonics.
  • Ability and desire to collaborate in a cross-disciplinary team.
  • Demonstrated strong problem solving skills specifically pertaining to problems that do not have obvious solutions.

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.
$118,000$171,000 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. 

Frequently Asked Questions

Is the salary disclosed for the Photonics Architect position at lightmatter?
The salary for this Photonics Architect role at lightmatter is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Photonics Architect position at lightmatter located?
This Photonics Architect role at lightmatter is based in Toronto, ON. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Photonics Architect at lightmatter belong to?
This Photonics Architect position is part of the Architecture department at lightmatter. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Photonics Architect position at lightmatter?
Click the "Apply Now" button on this page. You will be redirected to lightmatter's official application portal hosted on greenhouse where you can submit your application directly.
When was the Photonics Architect job at lightmatter posted?
This Photonics Architect position at lightmatter was posted on Jul 16, 2026. Apply as soon as possible — early applications are often reviewed first.
Photonics Architect
lightmatter
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