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Added 6 mins ago
KE
Project Engineer / Project Manager
Keystone Environmental
Burnaby, BC
- $100,000 to $130,000 CAD / year
- Full-time
As our company continues to grow, we are looking for an experienced Project Engineer / Project Manager to join our Engineering Department in Burnaby, BC.
Added 6 mins ago
P&
Spécialiste Technique CFirst / CFirst Technical Specialist
Pratt & Whitney
Longueuil, QC
- Full-time
Added 6 mins ago
CS
Quality Engineer
Cooper Standard
Stratford, ON
- Full-time
We currently have an opening for a Quality Engineer for our Stratford Sealing operations, located at 703 Douro St, Stratford, Ontario. This position offers a competitive salary of…
Added 6 mins ago
C
Electrical Project Engineer - Buildings
CIMA+
Vancouver, BC
- $92,800 to $127,600 CAD / year
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 6 mins ago
C
Civil Engineer - Infrastructure
CIMA+
Vancouver, BC
- $81,520 to $112,090 CAD / year
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 6 mins ago
ES
Python Backend Engineer
Enterprise Solutions Inc.
Toronto, ON
- Contract
We are looking for a strong Python Backend Engineer with hands-on experience designing and building scalable backend systems, microservices, APIs, and distributed applications.
Added 6 mins ago
P&
Stage - Hiver 2027 - Développement Logiciel Avancé, Méthodes Numériques / Internship - Winter 2027 - Advanced Software Development, Numerical Methods
Pratt & Whitney
Longueuil, QC
- Full-time
Added 6 mins ago
B
Engineer - Building Automation
BPA
Longueuil, QC
- Full-time
Added 7 mins ago
O
DCS Control Systems Engineer
OxyChem
Thorold, ON
- Full-time
We are looking for an experienced and self-motivated individual to fill the DCS/Process Engineer position at our Chemical Manufacturing plant located in Thorold, Ontario.
Added 7 mins ago
SP
Mechanical Applications & Project Engineer
Superior Power Products Limited
Mount Uniacke, NS
- Full-time
…Products (SPPL) is seeking a Mechanical Applications & Project Engineer to support equipment applications, system and process design, troubleshooting, and the delivery of shop and field…
Added 7 mins 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 7 mins ago
S
Senior Software Engineer, Platform & Infrastructure
Spellbook
Canada
- Full-time
Spellbook is seeking a generalist Platform and Infrastructure Engineer to join our team. In this role, you'll work across our entire technical stack - from infrastructure (AWS, MongoDB,…
Added 8 mins ago
C
Mechanical Design Technologist
CIMA+
Edmonton, AB
- $63,520 to $87,340 CAD / year
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 8 mins ago
Systems Development Engineer Intern, Canada 2027
Amazon
Vancouver, BC
As a system development engineer intern, you will/may:
Added 20 mins ago
C
Mechanical Design Technologist
CIMA+
AB · Edmonton, AB
- $63,520 to $87,340 CAD / year
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 21 mins ago
AO
Electrical Engineer
AML Oceanographic Ltd.
Saanichton, BC
- $87,500 to $104,000 CAD / year
- Full-time
…sub-systems shared across SKUs (power, comms, sensor frontends). System-level integration testing…
Added 21 mins ago
AO
Electrical Engineer
AML Oceanographic Ltd.
Dartmouth, NS
- $87,500 to $104,000 CAD / year
- Full-time
…sub-systems shared across SKUs (power, comms, sensor frontends). System-level integration testing…
Added 23 mins ago
A
Junior Human Factors Engineer
AtkinsRéalis
Mississauga, ON
- Full-time
Knowledge in the application of Human Factors standards and guidelines, specifically the Human-System Interface Design Review Guidelines (NUREG-0700 by NRC)
Added 23 mins ago
PG
Maintenance Technician (4th Class)
PETERSON GROUP PROPERTI
Vancouver, BC
- $32 to $36 CAD / hour
- Full-time
The Maintenance Technician (4th Class Power Engineer) completes repairs, preventative maintenance, and day-to-day upkeep throughout Langara Gardens while supporting the safe and efficient…
Added 38 mins ago
Fire Protection Engineer
Smith + Andersen
Vancouver, BC
The Vancouver office of Smith and Andersen is currently seeking a Fire Protection Engineer to join our Mechanical team. You’re all about prioritization. While everyone else is focused on…
Added 38 mins ago
Fire Protection Engineer
Smith + Andersen
Toronto, ON
The Toronto office of Smith and Andersen is currently seeking a Fire Protection Engineer to join our Mechanical team. You’re all about prioritization. While everyone else is focused on…
Added 52 mins ago
KG
QE / SDET – AI Chatbot & GenAI Validation
K&K Global Talent Solutions INC.
ON · Ontario, Canada
- Full-time
We are seeking an experienced Quality Engineer (QE) / SDET specializing in AI Chatbot Validation to lead the quality assurance, accuracy testing, and response analysis of our conversational…
Added 52 mins ago
ZC
Automation Engineer
Zurich Canada
Toronto, ON
- Full-time
Zurich Canada is currently looking for an Entry-Level Automation Engineer to join our technology team. This is an exciting opportunity for an early-career technology professional who is…
Added 52 mins ago
FR
Hardware Design Engineer - Agricultural Robots
Finite Robotics
Kitchener, ON
- Full-time
…production grade for the 2027 fleet. This role (the Hardware Design Engineer) is an important role help make that…
Added 52 mins ago
ST
Structure Engineer – OCS / Rail Electrification
SEGULA Technologies
Toronto, ON
- Full-time
SEGULA Technologies Canada is looking for an experienced Structure Engineer to support a major rail electrification / Overhead Catenary System (OCS) project in Ontario.

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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