Senior Photonics Laser Architect for AI Data Centers

Lightmatter; Toronto; Hybrid; CAD 185,000 - 233,000; Full time

Benefits offered by this job

Retirement Savings Matching Program

Life Insurance (Basic, Voluntary & AD&

Generous Time Off (Vacation, Sick &"

Job summary

Lightmatter is hiring a Senior Staff Laser Architect in Toronto to define Guide and Data-SOA architectures, translate requirements into specifications, and lead collaboration with hardware, software, and Passage teams.

You will drive high-performance laser solutions, supervise subsystem design, and ensure validation across dies, modules, and production. Hybrid work is supported, with strong emphasis on cross-disciplinary leadership.

Qualifications

• PhD in Photonics, Electrical Engineering, Applied Physics, or related field.
• 8+ years hands-on experience in optical devices, PICs, and semiconductor physics; track record architecting laser solutions.
• Expertise in mathematical modeling and simulation utilizing Python for link budget modeling, corner evaluation, and Monte Carlo simulations.
• Exceptional oral and written communication skills to articulate complex engineering concepts to multidisciplinary teams and executive leadership.
• Strong analytical problem-solving skills with a proven capacity to tackle ambiguous, open-ended engineering challenges.
• Self-driven initiative with a rapid learning curve and a collaborative, roll-up-your-sleeves mindset.

Responsibilities

• Define and own the Guide laser architecture, from concept through high-volume production.
• Define and own the Data-SOA architecture in Lightmatter’s optical links.
• Deliver laser module architecture specifications and work closely with hardware and software teams to define functionality, interfaces, and documentation.
• Actively collaborate with Lightmatter Passage team to drive alignment between Guide and Passage product architectures.
• Engage in problem-solving to develop innovative high-performance laser solutions.
• Actively collaborate across disciplines—with electronics, photonics, mechanical, and thermal engineering teams—to design systems, control algorithms, PICs, and PMICs that meet performance, power, and production requirements.
• Engage with the engineering, product, sales, and architecture teams to define requirements for subsystems, device characterization, debug, and validation.
• Validate architectures, models, and specifications via hands‑on testing of dies, prototype assemblies, and packaged modules.
• Collaborate with test engineers and technicians to define production test and validation protocols, as well as to analyze and debug test results.
• Work with external vendors to ensure timely development and delivery of key processes and components.
• Contribute to the roadmap of laser development, improving performance, scalability, power consumption, and cost.
• Publish and present novel ideas, and participate in premier photonics conferences.

Skills

Laser architecture

Optical transceivers

Python modeling

Communication

System-level architecture

Education

PhD in Photonics

Tools

Python

Job description

Lightmatter is hiring a Senior Staff Laser Architect in Toronto to define Guide and Data-SOA architectures, translate requirements into specifications, and lead collaboration with hardware, software, and Passage teams.

You will drive high-performance laser solutions, supervise subsystem design, and ensure validation across dies, modules, and production. Hybrid work is supported, with strong emphasis on cross-disciplinary leadership.