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Added 7 mins ago
HT
Public works engineer
Heiltsuk Tribal Council
Bella Bella, BC
- Full-time
- Contract
- On-site
Work must be completed at the physical location. There is no option to work remotely.
Added 12 mins ago
B&
Assistant Transmission Engineer - Transmission & Distribution (Toronto)
Burns & McDonnell
Toronto, ON
- Full-time
The Assistant Transmission Engineer will work under the supervision of a licensed professional engineer to assist project teams to create world class designs for new projects, alterations…
Added 12 mins ago
B&
Project Manager - Transmission & Distribution (Toronto)
Burns & McDonnell
Toronto, ON
- Full-time
Report regularly on progress, cost and schedule metrics, procurement issues, safety or environmental concerns, design questions, potential impacts, and any issues requiring office support.…
Added 43 mins ago
Staff Software Engineer, Backend Platform
Robinhood
Toronto, ON
…improve how backend systems are developed and operated. You will design and guide adoption of platform capabilities such as service frameworks, static analysis systems, and developer…
Added 58 mins ago
M
Senior Software Engineer - Backend
Microsoft
Vancouver, BC
- Full-time
The engineer in this role drives initiatives with company-level impact, ensuring our platform can continue to scale, evolve, and support future Microsoft Ads growth.
Added 1 hour ago
AM
Senior Firmware Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
We are looking for an experienced and passionate Firmware Engineer to join the NBIO team and drive HW/FW co-development for IP sub-systems. In this role, you will collaborate with hardware,…
Added 2 hours ago
HR
Signaling System Engineer
Hitachi Rail
Mississauga, ON
- Full-time
3 -5 years’ experience as a lead systems/design engineer in signaling system projects
Added 2 hours ago
T
Sr, Mainframe Engineer, TD Securities
TD
Toronto, ON
- Full-time
Responsible for detailed technical design, development, and maintenance of applications on the mainframe platform. This includes (and not limited to); conduct impact analysis, design & code…
Added 3 hours ago
TU
Assistant Professor or Associate Professor in Computer Engineering
The University of British Columbia
Vancouver, BC
- Full-time
…architecture; digital and integrated systems; embedded and cyber-physical systems; hardware/software co-design; operating and runtime systems; compilers; distributed, cloud, and edge…
Added 3 hours ago
LE
Mechanical design engineer
Lexus Engineering Ltd.
Edmonton, AB
- $25 to $50 CAD / hour
- Full-time
- Part-time
- Contract
- On-site
Work must be completed at the physical location. There is no option to work remotely.
Added 4 hours ago
LC
Software engineer
LotusFlare Canada Inc
North York, ON
- From $69.17 CAD / hour
- Full-time
- On-site
Work must be completed at the physical location. There is no option to work remotely.
Added 4 hours ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
Develop and quantify relationships between package performance, polymer properties, preform design, injection molding, reheating, and stretch blow molding processes.
Added 4 hours ago
A
Information Technology - Lead Analytics Engineer, Analytics Engineering Excellence
Aritzia
Vancouver, BC
- Full-time
…analysis, reporting, and data science. As the Lead Analytics Engineer, you will play a pivotal role in designing and maintaining data models, applying data modeling expertise, and enabling…
Added 4 hours ago
AM
Systems Design Engineer (New Grad)
Advanced Micro Devices, Inc
Markham, ON
- Full-time
…you! We are looking for a driven, analytically-minded Systems Design Engineer to join AMD's DGPU LSE team - a cutting-edge leadership group working on industry-leading discrete Graphics…
Added 4 hours ago
L
Senior Yocto Developer Toronto
Litmus
Remote, Canada
- Full-time
- Remote
AI is moving beyond the cloud and into the physical world. At Litmus, you’ll build the infrastructure that enables real-time data to power AI and machine learning systems in production…
Added 4 hours ago
MB
Reliability Engineer / Project Engineer
Martin Brower
New Westminster, BC
- Full-time
Primary role of the Reliability/ Project Engineer is to identify, manage, improve equipment run time and preventative maintenance program. At the same time, the role requires hands-on work…
Added 4 hours ago
GC
Data Engineer
GEI Consultants, Inc.
Guelph, ON
- $90,000 to $150,000 CAD / year
- Full-time
The Data Engineer is responsible for designing, building, and maintaining the data pipelines and integrations that power GEI’s AI solutions and digital initiatives. This role focuses on…
Added 4 hours ago
UO
Assistant Professor or Associate Professor in Computer Engineering
University of British Columbia
Vancouver, BC · UBCV | Fred Kaiser Building (KAIS)
- Full-time
…architecture; digital and integrated systems; embedded and cyber-physical systems; hardware/software co-design; operating and runtime systems; compilers; distributed, cloud, and edge…
Added 4 hours ago
T
Quality Engineer I
TD
Toronto, ON
- Full-time
Contribute to test planning and performs hands on test design/development/maintenance, test case automation and test execution to achieve business outcomes. Integrates directly into a…
Added 5 hours ago
CG
Martech/ Growth Engineer
Credit Genie
Toronto, ON
- Full-time
We’re looking for a MarTech / Growth Engineer to sit at the intersection of Marketing, Engineering, Data, Product, and Operations.
Added 5 hours ago
JW
Senior Software Engineer, Tokenization
Jobs Web3
Toronto, ON
- Full-time
As a Senior Software Engineer, you will design and build the core systems that issue, custody, and settle tokenized equities on-chain and keep them in sync with traditional brokerage and…
Added 5 hours ago
T
Value Engineer / Business Consultant
Trackunit
London, ON
- Full-time
Design and iterate value frameworks, ROI models, and pricing justification tools for use across the field sales organization
Added 5 hours ago
Fire Protection Engineer
Smith + Andersen
Vancouver, BC
Is a licensed Professional Engineer in the Province of British Columbia and capable of taking professional responsibility for fire protection design and signing and sealing all fire…
Added 5 hours ago
Fire Protection Engineer
Smith + Andersen
Toronto, ON
At Smith + Andersen our employees contribute to some of the most sustainable building design projects in Canada. The work we do has meaningful impact on the community by contributing to…
Added 6 hours ago
C
Sr. Security Engineer – Offensive Security/Penetration testing
Cognizant
Toronto, ON
- Full-time
As a Senior Security Engineer, you will make an impact by leading the implementation and optimization of Tenzai security solutions while strengthening enterprise Threat & Vulnerability…

Lightmatter

Staff Photonics Design & PDK Modeling Engineer

Toronto, ON, Canada

$185,000 - $220,000 USD

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Job details

Pay: $185,000 - $220,000 USD
Experience: Master’s +5 years experience or PhD +3 years experience in Electrical Engineering, Photonics, Physics, or related field.
Posting language: English
Posted: Oct 8, 2026

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!

We are hiring a Photonics PDK Modeling Engineer to join our team. In this role, you will develop our internal Process Design Kit (PDK). You will act as the architect of our component library, bridging the gap between photonics device design and system-level verification. You will develop robust compact models for active and passive components, ensuring that our simulation environment accurately predicts the behavior of our physical layouts. You will work heavily in Python, EDA tools, applying software engineering rigor to the challenges of photonic hardware design.

Responsibilities

Develop and maintain a library of pcells using Python-based frameworks. Ensure strict synchronization between physical layout, logical netlists, and behavioral models.
Create and verify physics based behavior models for passive and active devices.
Design test structure, develop test plans for device FOMs extraction. Work with test engineers to get silicon data.
Validate models against lab measurements. Perform data fitting and statistical analysis to align model parameters with real-world silicon performance.
Automated Verification: Implement regression testing and Continuous Integration (CI) pipelines to ensure PDK updates do not break legacy designs or connectivity logic.
Actively collaborate with design, analog, digital and architecture engineers to deliver high impact tape-outs

Qualifications

Master’s +5 years experience or PhD +3 years experience in Electrical Engineering, Photonics, Physics, or related field.
Deep understanding of photonic device physics and experience in device simulation.
Experience building behavioral models for circuit simulators (e.g., Lumerical INTERCONNECT, Cadence, Synopsys OptSim, or custom Python solvers).
Experienced in Python for modeling, automation, and data analysis. Comfortable with object-oriented programming and scientific libraries (NumPy, SciPy).
Python based layout experience.
Demonstrated strong problem solving skills for problems without obvious solutions

Preferred Qualifications

Proficiency with python-based layout tools such as gdstk, GDSFactory, and KLayout
Experience with Python-native circuit simulation ecosystems (e.g., SAX, Photontorch, Simphony).
Experience with verilogA/spectre equivalent circuit modeling for photonics device
Prior experience in using foundry-provided process design kits (PDKs), adhering to specific design rules and constraints, well understanding of DRC, LVS, etc.
Experience working on large-scale designs using industry standard environments such as Cadence Virtuoso
Experience in taping out and testing large-scale photonic integrated circuits, including familiarity with relevant testing equipment and methodologies.
Possess strong project execution skills, demonstrating the ability to effectively manage multiple design priorities, adhere to project timelines, and meet critical milestones.

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.

$185,000 - $220,000 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

You will develop and maintain internal Process Design Kits (PDKs) and act as the architect for component libraries to bridge device design and system-level verification. Additionally, you will create physics-based behavioral models, automate verification pipelines, and collaborate with cross-functional engineering teams to deliver high-impact tape-outs.

Requirements

Candidates must hold a Master's degree with 5+ years of experience or a PhD with 3+ years of experience in Electrical Engineering, Photonics, or Physics. Proficiency in Python, device simulation tools, and experience with photonic device physics and layout design are required.

Skills

Photonics
PDK Development
Python
Device Physics
Circuit Simulation
Lumerical Interconnect
Cadence Virtuoso
GDSFactory
KLayout
Object-oriented Programming
Data Analysis
Statistical Analysis
Continuous Integration
Regression Testing
Photonic Integrated Circuits
VerilogA

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
PDK
Process Design Kit
Python
Lumerical
Cadence
Synopsys OptSim
NumPy
SciPy
Gdstk
GDSFactory
KLayout
SAX
Photontorch
Simphony
VerilogA
Spectre
DRC
LVS
Tape-out
Photonic Integrated Circuits
Continuous Integration
Regression Testing
Device Physics
Behavioral Modeling
Circuit Simulation
Data Fitting
Statistical Analysis
Object-oriented Programming
Automation

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