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Added 7 hours ago
Staff Photonics Design & PDK Modeling Engineer
Lightmatter
Toronto, ON
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…
Added 8 hours ago
L
Staff Photonics Design & PDK Modeling Engineer
Lightmatter
Toronto, ON
- Full-time
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…
Added 21 hours ago
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
…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…
Added 21 hours ago
L
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
- Full-time
…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…
Added 2 days ago
HW & SW Applications Admin 1
Celestica International LP
Toronto, ON
We are seeking a highly technical, execution-focused Hardware & Software Engineering Applications System Administrator to support the core engineering applications environment for the…
Added 2 days ago
C
HW & SW Applications Admin 1
Celestica
Toronto, ON
- Full-time
We are seeking a highly technical, execution-focused Hardware & Software Engineering Applications System Administrator to support the core engineering applications environment for the…
Added 3 days ago
MC
Coherent Optical Systems Engineer (35886)
Myticas Consulting
Ottawa, ON · Kanata, ON
- Full-time
The successful candidate will work with early-stage PIC, DSP, and analog ASIC hardware to perform digital-optical integration, develop calibration and control methodologies, and conduct…
Added 6 days ago
CT
Principal Systems Engineer - Optical Transceivers
ConsultNet Technology Services and Solutions
Ottawa, ON
- Other
Experience with silicon photonics and optical component integration
Added 16 days ago
C
Photonics RLS Senior Engineer
Ciena
Ottawa, ON
- Full-time
As part of Ciena’s Modem and Photonics Lifecycle Management (LCM) organization, this senior engineering role contributes to the development and optimization of test systems supporting…
Added 17 days ago
PI
Senior Foundry Integration Engineer
Photonic Inc.
Coquitlam, BC
- $117,000 to $161,000 CAD / year
- Full-time
We are seeking an experienced Senior Foundry Process Integration Engineer to lead the development and maturation of our silicon photonic fabrication processes through close partnership with…
Added 25 days ago
J
Principal Systems Engineer -Optical Transceivers
Jabil
Ottawa, ON · CAN - Ottawa
- Full-time
We are seeking a Principal Systems Engineer to lead the development of next-generation optical transceivers for hyperscale data center and AI networking applications. This individual will…
Added 1 month ago
X
Lead Engineer - Laser Systems
Xanadu
Toronto, ON
- Full-time
The Lead Engineer will architect and build the ultra-stable, low-noise laser engines powering the world’s first fault-tolerant photonic quantum computers, acting as both a system architect…
Added 1 month ago
X
Photonics Engineer - Systems Integration
Xanadu
Toronto, ON
- Full-time
We are looking for a hands-on, analytical, and driven Photonics Engineer to join our hardware team and accelerate the development of our Fault-Tolerant Quantum Computing (FTQC) systems. If…
Added 1 month ago
X
Senior Analog ASIC Design Engineer
Xanadu
Toronto, ON
- Full-time
Cross-Functional Collaboration: Partner with our photonics, packaging, and systems teams to co-design and solve system-level integration challenges.
Added 1 month ago
RI
Optical Engineer
RANOVUS Inc.
Ottawa, ON
- Other
We are seeking a motivated and talented Optical Engineer to join our Optical System Integration/ Verification team. The successful candidate would implement and test electrical and optical…
Added 1 month ago
Q
DSP Application Engineer, Staff
Qualcomm
Ottawa, ON
- Full-time
We are seeking a Staff DSP Application Engineer to support customer adoption and deployment of next-generation DSP solutions in Optical Transceivers and Active Electrical Cables (AEC) for…
Added 1 month ago
L
Staff/Sr Staff Electro-Optic Codesign Engineer
Lightmatter
Toronto, ON
- Full-time
You will build and maintain the high-fidelity simulation infrastructure that links optical device performance to system-level BER and link margin, drive co-design between photonic and…
Added 1 month ago
Staff/Sr Staff Electro-Optic Link Codesign Engineer
Lightmatter
Toronto, ON
You will build and maintain the high-fidelity simulation infrastructure that links optical device performance to system-level BER and link margin, drive co-design between photonic and…
Added 1 month ago
R
Optical Engineer
Ranovus
Ottawa, ON
- Full-time
We are seeking a motivated and talented Optical Engineer to join our Optical System Integration/ Verification team. The successful candidate would implement and test electrical and optical…
Added 2 months ago
N
Coherent Systems Architect - Optical Modem Development and Optimization
Nokia
Ottawa, ON · Kanata, ON
- Full-time
Nokia is seeking a Coherent Optical Systems Engineer to join our Optical Systems Group (OSG). The engineer will be responsible for contributing to the design, characterization, and…
Added 3 months ago
L
Staff Photonics Design & PDK Modeling Engineer
Lightmatter
Toronto, Ontario
- Full-time
We are hiring a Photonics PDK Modeling Engineer to join our team. In this role, you will lead the development of our internal Process Design Kit (PDK). You will act as the architect of our…
Added 3 months ago
SF
Technical Research Scientist
Simon Fraser University
Burnaby, British Columbia
- Full-time
Experience in system integration, network deployment, or field demonstrations.
Added 3 months ago
X
Photonics Engineer - Experimentalist
Xanadu
Toronto, Ontario
- Full-time
…quantum computing. We are seeking a highly skilled Photonic Engineer - Experimentalist to perform the design, development, and experimental validation of cutting-edge photonic systems, with…
Added 5 months ago
L
Analog IC Design Engineer, High-Speed
Lightmatter
Toronto, Ontario
- Temporary
Collaborate with members of our design engineering teams (system, digital, analog, photonics) to define electrical requirements
Added 1 month ago
Q
DSP Application Engineer, Principal
Qualcomm
Ottawa, ON
- Full-time
We are seeking a Principal DSP Application Engineer to drive customer adoption and deployment of next-generation DSP in the Optical Transceiver and Active Electrical Cable (AEC) solutions…

Lightmatter

Staff Photonics Design & PDK Modeling Engineer

Toronto, ON, Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Apply by: Nov 7, 2026
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 USD - $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

Develop and maintain the photonics Process Design Kit, including Python-based component libraries and physics-based behavioral models, while keeping layouts, netlists, and models synchronized. Design and validate test structures and models against silicon measurements, automate regression and CI checks, and collaborate across engineering teams to support tape-outs.

Requirements

Requires a master’s degree with at least five years of experience or a PhD with at least three years in electrical engineering, photonics, physics, or a related field, along with strong photonic device physics and simulation expertise. Candidates should have Python modeling and layout experience; preferred qualifications include PDK and EDA tool experience, photonic circuit modeling, and large-scale photonic integrated circuit tape-out and testing.

Skills

Photonics Device Physics
Process Design Kits
Python
Compact Modeling
Photonic Device Simulation
Python-Based Layout
Behavioral Modeling
Circuit Simulation
Data Analysis
Statistical Analysis
Object-Oriented Programming
Regression Testing
Continuous Integration
Design Rule Checking
Layout Versus Schematic
Photonic Integrated Circuit Testing

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
Retirement Savings Matching
Life Insurance
Paid Time Off
Paid Family Leave
Short-Term Disability
Long-Term Disability
Training And Development
Commuter Benefits
Flexible Hybrid Workplace
Equity Grants

Visa sponsorship

Not detected in the job text

Keywords

Photonics
Process Design Kit
PDK
Python
PCell
Compact Models
Photonic Device Physics
Device Simulation
Lumerical INTERCONNECT
Cadence
Synopsys OptSim
NumPy
SciPy
GDSFactory
gdstk
KLayout
SAX
Photontorch
Simphony
Verilog-A
Spectre
EDA Tools
Design Rule Checking
Layout Versus Schematic
Silicon Measurements
Data Fitting
Statistical Analysis
Regression Testing
Continuous Integration
Photonic Integrated Circuits

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