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Added 1 hour ago
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DSP Application Engineer, Principal
Qualcomm
Ottawa, ON
- Full-time
…connected future for all. As a Qualcomm Hardware Application Engineer, you will provide technical expertise of hardware through trainings, product demonstrations, and the design, debug,…
Added 13 hours ago
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Senior Electrical Engineer
Xanadu
Toronto, ON
- Full-time
…photonic quantum computers. In the role of senior electrical engineer, you will contribute your experience spanning precision analog measurement and digital control. You will join a growing…
Added 13 hours ago
X
Senior Photonics Engineer - Homodyne Detection
Xanadu
Toronto, ON
- Full-time
We are seeking a Senior Photonic Engineer – Integrated Homodyne to participate in designing, developing and experimentally validating cutting-edge photonic systems. You will be working with…
Added 13 hours ago
X
Senior Photonic Engineer - Experimentalist
Xanadu
Toronto, ON
- Full-time
We are seeking a Senior Photonic Engineer – Experimentalist to participate in designing, developing and experimentally validating cutting-edge photonic systems. Your primary focus will be…
Added 13 hours ago
X
Senior Mechanical Engineer
Xanadu
Toronto, ON
- Full-time
…rack-scale quantum computer development. In the role of mechanical engineer, you will join a growing team to model all elements that make up our complex devices, as well as design and…
Added 13 hours ago
X
Senior Photonics Design Engineer
Xanadu
Toronto, ON
- Full-time
We are seeking a Senior Photonics Design Engineer to drive the design and scaling of state-of-the-art passive and active components powering Xanadu’s future fault-tolerant quantum hardware.…
Added 13 hours ago
X
Senior Photonics Engineer - Experimental Nonlinear Optics
Xanadu
Toronto, ON
- Full-time
…optical devices on integrated nanophotonic platforms. You will design, build, and operate complex optical experiments, utilizing rigorous data analysis to characterize and optimize scalable…
Added 13 hours ago
X
Senior Photonics Design Engineer - Integrated Nonlinear Optics
Xanadu
Toronto, ON
- Full-time
…tolerant architecture. Particular emphasis will be based on the design of nonlinear structures for the generation of highly squeezed, spectrally pure states of light, while applying design…
Added 13 hours ago
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Photonics Design and Control Engineer
Xanadu
Toronto, ON
- Full-time
In your role as a Photonics Design & Control Engineer, you will oversee the full lifecycle of active optical components - focusing heavily on high-order integrated optical filters - from…
Added 13 hours ago
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Senior Analog ASIC Design Engineer
Xanadu
Toronto, ON
- Full-time
This isn't your typical analog design job. We are building state-of-the-art photonic quantum computers, and this role is critical to controlling and reading out our core hardware. As our…
Added 13 hours ago
X
Photonics Engineer System 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 13 hours ago
X
Photonics Engineer - Experimentalist
Xanadu
Toronto, ON
- 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 13 hours ago
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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 13 hours ago
X
Sr. Packaging NPI Engineer
Xanadu
Toronto, ON
- Full-time
We are looking for a highly motivated and experienced Senior Packaging New Product Introduction (NPI) Engineer to join our dedicated engineering team. In this pivotal role, you will lead…
Added 13 hours ago
X
Packaging Engineer - Optical Attach Process
Xanadu
Toronto, ON
- Full-time
Cross-Functional Collaboration: Partner with photonics R&D, mechanical design, electrical packaging, and test engineers to build full optoelectronic assemblies.
Added 13 hours ago
X
Process Integration Engineer
Xanadu
Toronto, ON
- Full-time
Collaborate with internal and external photonics process engineers, process integration engineers and photonics design engineers, including at Xanadu’s foundry partners
Added 1 day ago
MC
Coherent Optical Systems Engineer (35886)
Myticas Consulting
Ottawa, ON · Kanata, ON
- Full-time
We are seeking a Coherent Optical Systems Engineer to contribute to the design, development, characterization, and optimization of advanced coherent optical transceivers based on…
Added 2 days ago
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Senior Mechanical Engineer (Semiconductor Packaging)
Inpho
Ottawa, ON · Kanata, ON
- Full-time
We are looking for a Senior Mechanical Engineer who thrives at the intersection of precision design and robust process development to help us bring our optical subassemblies to the global…
Added 3 days ago
Field Application Engineer (Integrated Photonics)
Axiomatic_AI
Toronto, ON
We are seeking an experienced Field Application Engineer with expertise across the PIC development lifecycle - from device and circuit design through simulations, tapeout, characterization,…
Added 3 days 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 3 days ago
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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 4 days ago
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
At Lightmatter, an SDET is a software engineer first , not a QA coordinator or manual tester. You'll design and build the frameworks, harnesses, and hardware-in-the-loop infrastructure that…
Added 4 days ago
L
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
- Full-time
At Lightmatter, an SDET is a software engineer first , not a QA coordinator or manual tester. You'll design and build the frameworks, harnesses, and hardware-in-the-loop infrastructure that…
Added 5 days ago
HW & SW Applications Admin 1
Celestica International LP
Toronto, ON
The successful candidate will provide disciplined operational support across 12 global Design Centers to eliminate engineering environment blocks and optimize developer productivity. This…
Added 5 days ago
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HW & SW Applications Admin 1
Celestica
Toronto, ON
- Full-time
The successful candidate will provide disciplined operational support across 12 global Design Centers to eliminate engineering environment blocks and optimize developer productivity. This…

Xanadu

Senior Photonics Design Engineer

Toronto, ON, Canada

The base salary range is 120,000 - 170,000 CAD. · Full-time

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Job details

Pay: The base salary range is 120,000 - 170,000 CAD.
Job type: Full-time
Experience: Msc or PhD in Engineering, Science, or related field, with 2+ years experience in an industrial setting
Posting language: English
Posted: Aug 14, 2026

Original job description

About Xanadu:
Xanadu’s mission is to build quantum computers that are useful and available to people everywhere.

At Xanadu, we are learners, innovators, researchers, collaborators and problem solvers. We are creating something that has never been built before. What we are doing is extremely hard, the classic moon shot. Few people in their life will be able to be a part of something like this, where if we are successful, the technologies we develop will solve some of the world’s most challenging problems and literally change the world. And that is something to be excited about!

Your role and responsibilities:
We are seeking a Senior Photonics Design Engineer to drive the design and scaling of state-of-the-art passive and active components powering Xanadu’s future fault-tolerant quantum hardware. Leveraging our custom high-throughput cloud simulation pipelines, you will develop and execute novel component design strategies to achieve unprecedented sub-milli-dB loss targets. You will engage with our Fabrication, Tooling and Test teams to manage complex performance trade-offs, executing sophisticated DOEs, and deploying data-driven analysis to close the design loop from initial concept to high-volume wafer production.

Basic qualifications and experience:

Msc or PhD in Engineering, Science, or related field, with 2+ years experience in an industrial setting
Expert-level knowledge and experience designing passive integrated optical components including the incorporation of wafer variation
Detailed understanding of sources of loss in photonic devices and their relation to fabrication processes
Understanding of the tradeoff between different simulation approaches including sources of error and computational resource use
Deep experience with scripted photonic mask design and layout
Participated in 5+ tapeouts covering design, layout and analysis
Experience working in a collaborative team-based development environment, using version control systems such as git
Ability to operate in a fast-paced environment and manage multiple competing priorities

Preferred qualifications and experience:

Expert-level knowledge and experience in designing active integrated optical components such as Pockels effect based phase shifters, or III-V photodiodes
Deep theoretical understanding of coupled mode interactions in the context of waveguides, resonators and nonlinear optics
Experience in developing components and performing tapeouts with photonic foundries. Turned designs into version controlled building blocks.
Understanding of the concepts of “Design of Experiments” and “Design Centering” applied to wafer level optimization of photonic components
Performed statistical analysis on wafer level data using tools like JMP
Experience developing automated optimization approaches, such as particle swarm, bayesian and adjoint method
Incorporation of fabrication processes effects such as lithographic rounding, OPC/bias correction and material non uniformity into component optimization
Experience in developing design rule checks (DRC) and layout vs schematics (LVS) scripts
Experience in developing custom filler patterns and mask data preparation
Performed electro-optic co-design of active devices such as phase shifters and photodiodes with TIAs and electrical drivers

This is for a new position. Your base salary will be determined based on your location, experience, and internal benchmarks. The base salary range is 120,000 - 170,000 CAD. You will also be eligible for equity and benefits.

Our values are important. They are fundamental and lay the foundation for culture at Xanadu. Learn more about our values here.

We are an equal opportunity employer and encourage candidates of all backgrounds to apply. We are committed to building an inclusive, safe, and equitable culture and fostering an environment where our employees feel included, valued, and heard. We are committed to meeting the needs of all individuals and support a barrier-free workplace. Should you require accommodations at any point during the recruitment process please contact Recruiting at recruiting@xanadu.ai.

Please be advised that we may use artificial intelligence (AI) tools to assist in the screening and assessment of applicants for this position. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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More about this job

Responsibilities

The Senior Photonics Design Engineer will drive the design and scaling of passive and active components for fault-tolerant quantum hardware. This role involves managing complex performance trade-offs, executing design of experiments, and utilizing data-driven analysis to transition concepts into high-volume wafer production.

Requirements

Candidates must hold an MSc or PhD in Engineering, Science, or a related field with at least 2 years of industrial experience. Proficiency in scripted photonic mask design, layout, and a deep understanding of photonic device loss sources and simulation strategies are required.

Skills

Photonics design
Integrated optical components
Wafer variation
Photonic mask design
Layout
Tapeouts
Git
Simulation pipelines
Active components
Passive components
Nonlinear optics
Design of experiments
Statistical analysis
JMP
Automated optimization
Electro-optic co-design

Benefits

Equity
Benefits

Visa sponsorship

Not detected in the job text

Keywords

Photonics
Quantum hardware
Integrated optics
Wafer production
Tapeouts
Simulation
Passive components
Active components
Pockels effect
Photodiodes
Waveguides
Resonators
Nonlinear optics
Design of experiments
Design centering
JMP
Particle swarm
Bayesian
Adjoint method
Lithographic rounding
OPC
DRC
LVS
Electro-optic co-design
TIA
Electrical drivers
Git
Version control
Hardware
Quantum computing

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