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Added 31 mins ago
Director of Operations - Sunnybrook Research Institute - Regular Full-time 2026-17836 (2026-17836)
Sunnybrook
Toronto, ON
Full-time
Reporting to the Vice President, Research and Innovation (VPRI), the Director, Operations provides operational leadership and oversight for all core administrative and operational functions…
Added 31 mins ago
Chargée de projets en événementiel, Montréal, QC / Program Manager in Events, Montreal, QC
JPdL
Montreal, QC
Full-time
Supervisor: National Director of Operations, DMC division
Added 31 mins ago
City Manager
City of Bixby
Montreal, QC · Urban agglomeration of Montreal, QC
Full-time
…section: City Clerk, City Treasurer, Chief of Police, Fire Chief, Director of Public Works, and Directors of any other departments…
Added 46 mins ago
Project Manager - Project REACH- Temporary Full-Time 2025-14137 (2025-14137)
Sunnybrook
Toronto, ON
Full-time
…sometimes unique education to thousands of learners each year; and research and implementation of innovations that invent the future of health care. Since our first patient in 1946,…
Added 1 hour ago
M.L.T. Charge - Quality
Ross Memorial Hospital
Kawartha Lakes, ON · Lindsay, ON
Full-time
Reporting to the a Integrated Director Laboratory Services, is responsible for the implementation, maintenance and improvement of the quality management system and Hospital Point of Care…
Added 1 hour ago
Clinical Nurse Specialist, Wound Ostomy Continence
Bariza Health
Toronto, ON
Full-time
Added 1 hour ago
Credit Analyst, Senior Director, Power & Energy, Corporate, Infrastructure and Project Finance Group
Fitch Ratings
Toronto, ON
Full-time
Senior Director, Power and Energy, Corporate, Infrastructure and Project Finance Group
Added 3 hours ago
Associate Director, Media Planning
Klick
Toronto, ON
Full-time
The Associate Director, Media Planning leads digital media planning for healthcare and life sciences clients across channels such as search, display, video, email, mobile, and programmatic…
Added 4 hours ago
Senior Director, News and University Affairs
The University of British Columbia
Vancouver, BC
$13,531.92 to $20,284.5 CAD / month
Full-time
At UBC, we believe that attracting and sustaining a diverse workforce is key to the successful pursuit of excellence in research, innovation, and learning for all faculty, staff and…
Added 4 hours ago
Senior Director, News and University Affairs
University of British Columbia
Vancouver, BC · UBCV | Cecil Green Park House (CGPH)
$13,531.92 to $20,284.5 CAD / month
Full-time
At UBC, we believe that attracting and sustaining a diverse workforce is key to the successful pursuit of excellence in research, innovation, and learning for all faculty, staff and…
Added 5 hours ago
Associate Director, Investments
Marcus & Millichap
AB · Edmonton, AB
Other
A renowned research division producing 1,500+ reports and client presentations each year to help you win business
Added 5 hours ago
Associate Director, Investments
Marcus & Millichap
Vancouver, BC
Other
A renowned research division producing 1,500+ reports and client presentations each year to help you win business
Added 5 hours ago
Associate Director, Investments
Marcus & Millichap
Toronto, ON
Other
A renowned research division producing 1,500+ reports and client presentations each year to help you win business
Added 6 hours ago
Animal Resources Division Manager – Montreal General Hospital Site
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
Full-time
Under the general supervision of the Director, Animal Resources Division (ARD), the incumbent is responsible for the management of the research animal facilities at the Montreal General…
Added 6 hours ago
Project Manager, Capture and Optimization of Research Data (CORD) Platform
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
Full-time
The Research Institute of the MUHC is seeking an interim Project Manager to join the Capture and Optimization of Research Data (CORD) platform of the Centre for Outcomes Research and…
Added 6 hours ago
Clinical Research Coordinator – Ethics & Regulatory Affairs
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
Full-time
The Chronic Viral Illness Service Research team has an active research program, conducting numerous clinical trials each year to provide innovative research to their patients. Under the…
Added 7 hours ago
Industry Partnership & Employer Engagement Coordinator
Jobbe
Antigonish, NS
Full-time
…in enterprise technology management. Reporting to the Acting Director, Experiential Learning Operations, this position will develop local, national, and international relationships with…
Added 7 hours ago
Clinical Manager, Extensive Needs Services
Health Sciences North
Sudbury, ON
…community partners on ENS, undertake project activities including research, Ministry reporting requirements, planning and the coordination of human resources, financials and clinical ENS…
Added 7 hours ago
Clinical Manager, Extensive Needs Services
Health Sciences North
Sudbury, ON
…community partners on ENS, undertake project activities including research, Ministry reporting requirements, planning and the coordination of human resources, financials and clinical ENS…
Added 7 hours ago
Supervisor, Alumni Engagement
University of Ottawa
Ottawa, ON · Alex Trebek Alumni Hall
Full-time
…to thrive as a leading institution of higher education and research. Together, we empower our students, faculty and researchers to make a lasting impact on the…
Added 7 hours ago
Senior Coordinator, Alumni Relations and Community Partnerships
University of Ottawa
Ottawa, ON · Desmarais Hall
Full-time
At Telfer, everything we do from teaching to research, to policy advice is firmly aligned with helping Canada reach its potential. We believe that better business practice means a better…
Added 7 hours ago
Sessional Lecturer - PSL374H: Advanced Physiology Laboratory
University of Toronto
Toronto, ON
…evaluating student performance; and interacting with the Course Director or the Department of Physiology Undergraduate Coordinator. This represents 25% of the workload for this…
Added 8 hours ago
Senior Marketing Manager
British Council
Canada
Full-time
To support the Director of Marketing / Head of Marketing in the development and implementation of the country marketing strategy and plans for English and Exams (E&E), ensuring alignment…
Added 8 hours ago
Quality and Patient Safety Consultant
Brant Community Healthcare System
Brantford, ON
Full-time
Reporting to the Director, Quality, Patient Safety & Experience, this position collaborates with clinical and corporate leadership to work on initiatives targeting improvements in…
Added 8 hours ago
Nurse Practitioner, Complex Malignant Hematology
University Health Network
Toronto, ON
Part-time
…Education and West Park Healthcare Centre. As Canada's top research hospital, the scope of biomedical research and complexity of cases at UHN have made it a national and international…

Lightmatter

Photonics Architect

Toronto, ON, Canada

Pay: $254,000 - $321,000 USD
Posting language: English
Posted: Sep 30, 2026

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Original job 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!

Lightmatter builds chips that enable extreme-scale AI computing clusters. If you're a collaborative engineer or scientist who has a passion for innovation, solving challenging technical problems and doing impactful work, consider joining the team at Lightmatter!

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 enables high-bandwidth low-latency photonic interconnect/switch fabric.

You will report directly to the Sr. Director of Architecture, but you will also work closely with our photonic and analog teams to define and optimize the features needed to improve the power, performance, and area (PPA) of the next generation product.

Join a tight-knit team where each individual’s contributions directly influence the success of the company and product. You'll have the opportunity to build a new kind of computer from the ground up and to solve groundbreaking challenges along the way. Work with people who love to build and who thrive in technically diverse environments where great ideas are prioritized.

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.

$254,000 - $321,000 USD

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.

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More about this job

Responsibilities

The Photonics Architect will define the micro-architecture for photonic-based communication fabrics and provide detailed technical specifications to the engineering team. They will also collaborate with photonic and analog teams to optimize power, performance, and area for next-generation products.

Requirements

Candidates must hold a PhD in electrical engineering, physics, or a related field with in-depth knowledge of semiconductor physics and integrated silicon photonics. Strong problem-solving skills and experience with photonic simulation tools are essential for this role.

Skills

Silicon Photonics
Semiconductor Physics
Photonic Design
FDTD
Lumerical
Verilog-A
VPI Photonics
Micro-architecture
Interconnect Fabric
Switch Fabric
Analog Design
Problem Solving
Technical Documentation
Cross-disciplinary Collaboration

Benefits

Comprehensive Health Care Plan
Life Insurance
Generous Time Off
Paid Family Leave
Short Term Disability
Long Term Disability
Training & Development
Commuter Benefits
Flexible, Hybrid Workplace Model
Equity Grants

Visa sponsorship

Not detected in the job text

Keywords

Photonics
AI Data Center
3D-stacked
Passage
HPC
Silicon Photonics
Modulators
Receivers
Multiplexers
Lasers
Amplifiers
Interconnect
Switch Fabric
PPA
Semiconductor Physics
FDTD
Lumerical
Verilog-A
VPI Photonics
Micro-architecture
Electrical Engineering
Applied Physics
Hardware Architecture
Data Center Infrastructure

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