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Added 1 hour ago
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Principal Engineer - Open Source Data Platform (ODP)
Acceldata
Kitchener, ON
- Full-time
We are seeking a Principal Engineer with at least 14 years of experience to serve as a technical visionary and thought leader for Acceldata's Open Data Platform (ODP). In this role, you…
Added 1 hour ago
HT
Designer, Development (Service)
Husky Technologies
Bolton, ON
- Full-time
The service team is currently seeking a Mechanical engineer/designer to specialize in resolving service issues.
Added 2 hours ago
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PROTOCOL ENGINEER
LayerZero Asia
Vancouver, BC
- Full-time
As a Protocol Engineer, you'll work on the core infrastructure that underpins decentralized interoperability. You will design and implement core protocol components that operate across…
Added 3 hours ago
MA
Senior AI Engineer
Meeru AI Inc
Remote, Canada
- Other
- Remote
We are looking for a Senior AI Engineer to build the AI and intelligence layer - and help uphold the discipline that keeps it honest. Our output sits adjacent to externally reported…
Added 3 hours ago
A
Senior Mechanical Test Engineer
Actalent
Vancouver, BC
- $48 to $57 CAD / hour
- Contract
The Senior Mechanical Test Engineer will support new product development by leading and executing design verification activities for complex mechanical and electromechanical products. This…
Added 4 hours ago
KY
Reliability Engineer
Know Your Opportunity
Engineer, BC
- Full-time
…instrumentation and solutions. As Reliability Product Approval Engineer, you will collaborate closely with R&D development teams, test technicians, and cross-functional partners to define,…
Added 7 hours ago
HT
Designer, Development (Service)
Husky Technologies
Bolton, ON
- Full-time
The service team is currently seeking a Mechanical engineer/designer to specialize in resolving service issues.
Added 7 hours ago
J
Lead Transmission Line Engineer - Grid
Jobgether
Canada
- $146,996 to $192,932 CAD / year
- Full-time
This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Lead Transmission Line Engineer – Grid based in Canada.
Added 8 hours ago
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CPU Verification Engineer
Qualcomm
Markham, ON
- Full-time
As a Design Verification Engineer, you will work with Chip Architects to validate the concepts of CPU and SOC level micro-architectures. You will work on a selected part of the CPU Design…
Added 9 hours ago
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Process Simulation Engineer
SLB
Calgary, AB
- Full-time
SLB is seeking an experienced Process Simulation Engineer to join our Symmetry Process Solution team in Calgary. In this role, you will develop and apply steady-state and dynamic simulation…
Added 9 hours ago
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Baseband software Developer
Ericsson
Ottawa, ON
- Full-time
We are looking for a RAN Performance Engineer – Baseband Software (5G) to join the PEU RAN Performance organization in Ottawa. Our team is responsible for systemizing, designing,…
Added 10 hours ago
S
Platform Solution Architect /Architecte de solutions de plateforme (Montreal/Toronto)
Slalom
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Veuillez noter que si vous êtes embauché(e) chez Slalom, vous devrez remplir une vérification des antécédents.
Added 10 hours 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 11 hours ago
E
Baseband software Developer
Ericsson
Ottawa, ON
- Full-time
We are looking for a RAN Performance Engineer – Baseband Software (5G) to join the PEU RAN Performance organization in Ottawa. Our team is responsible for systemizing, designing,…
Added 11 hours ago
Senior Software Engineer - Accounting & Ledger Systems
BitGo
Toronto, ON
BitGo is looking for a Senior Software Engineer to help build and evolve the ledger systems behind our clients' balances, trading positions, and financial reporting. You'll work at the…
Added 11 hours ago
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Sr, Mainframe Engineer, TD Securities
TD
Toronto, ON
- Full-time
…execute test cases and participate in the implementation & verification of the application changes.This is for both online and batch mainframe…
Added 12 hours ago
AW
Senior / Intermediate Civil Engineer
Agilus Work Solutions
Mississauga, ON
- Full-time
Agilus by Synergie is recruiting for a Senior/ Intermediate Civil Engineer in the Engineering consulting industry in Mississauga, Ontario.
Added 13 hours ago
HT
Designer, Development (Service)
Husky Technologies
Bolton, ON
- Full-time
The service team is currently seeking a Mechanical engineer/designer to specialize in resolving service issues.
Added 13 hours ago
GM
Senior Software Developer - Virtualization and SIL Integration
General Motors
Markham, ON
- Full-time
…and motivated candidates for the role of Virtualization and Software-in-the-Loop (SIL) Integration Engineer to support our Test Environment Agile Release Train (SIL…
Added 13 hours ago
AI
Lead Electrical Engineer
Aversan Inc.
Mississauga, ON
- Full-time
…delivers leading-edge and reliable safety-critical electronics and software systems to the aerospace, defence, and space…
Added 14 hours ago
SI
Senior Cryptographic Protocol Engineer
SuperQubit Inc.
Markham, ON
- Full-time
Job Title: Senior Cryptographic Protocol Engineer
Added 14 hours ago
P&
Stage - Hiver 2027 - Développement Logiciel Avancé, Méthodes Numériques / Internship - Winter 2027 - Advanced Software Development, Numerical Methods
Pratt & Whitney
Longueuil, QC
- Full-time
Le candidat sélectionné devra passer une vérification des antécédents judiciaires ainsi qu'à toute autorisation applicable relative à la gestion et au transfert de marchandises contrôlées.…
Added 14 hours 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 14 hours ago
TT
Design Verification Engineer
Terranova Talent Solutions
Vancouver, BC
- Contract
We are seeking a Design Verification Engineer to join our team. You will
Added 14 hours ago
RI
Senior Full Stack Engineer - Java /
Rose International
Mississauga, ON
- Full-time
Join a dynamic Front Office Technology team as a Senior Software Engineer (Java / AI), helping build the future of financial technology.

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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