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Added 2 mins ago
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Principal Firmware Engineer
Nokia
Ottawa, ON
- Full-time
In this role as a Principal Firmware Engineer, you will work within a dynamic Agile scrum team dedicated to innovation in optical systems. Collaborate closely with cross-functional teams,…
Added 14 hours ago
BS
Senior Design Quality Engineer / Ingénieur principal en qualité de la conception
Boston Scientific
Montreal, QC
- Full-time
…complex technical challenges and driving to solutions across hardware, software, and system domains. The Senior Design Quality role will influence strategic quality initiatives, mentor…
Added 21 hours ago
BS
Senior Design Quality Engineer / Ingénieur principal en qualité de la conception
Boston Scientific
Montreal, QC
- Full-time
…complex technical challenges and driving to solutions across hardware, software, and system domains. The Senior Design Quality role will influence strategic quality initiatives, mentor…
Added 22 hours ago
AL
Principal Product Applications Engineer - Scorpio
Astera Labs
Vancouver, BC
- Full-time
…that connects GPUs, CPUs, and accelerators at rack scale. As a Principal Product Applications Engineer on the Scorpio team, you will be the technical face of our switching portfolio to the…
Added 23 hours ago
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Principal Optical Engineer
Nokia
Ottawa, ON
- Full-time
We are seeking an experienced Principal Optical Engineer to join Nokia's optical team. You will own calibration, sustaining, and optical integration for our high-speed coherent linecard…
Added 1 day ago
MC
Principal Embedded Software Firmware Engineer (35837)
Myticas Consulting
Ottawa, ON
- Contract
Principal Embedded Software/Firmware Engineer
Added 1 day ago
GM
Principal Software Engineering - Test System Modernization
General Motors
Markham, ON
- Full-time
General Motors is seeking a Principal/Staff Software Engineer to shape and scale the engineering platforms that build, test, integrate, validate, and deliver embedded software for…
Added 2 days ago
A
Principal Network Engineer
Aviso
Vancouver, BC
- $135,000 to $145,000 CAD / year
- Full-time
We're looking to fill an opening for a Principal Network Engineer to join our Technology Ops & Support Partners team.
Added 3 days ago
M
Principal Software Engineer
Microsoft
Vancouver, BC
- Full-time
As a Principal Software Engineer, you will provide technical leadership for enabling and optimizing frontier-scale AI models on Microsoft AI accelerators. You will work across hardware…
Added 4 days ago
M
Principal Software Engineer
Microsoft
Vancouver, BC
- Full-time
As a Principal Software Engineer, you will provide technical leadership for enabling and optimizing frontier-scale AI models on Microsoft AI accelerators. You will work across hardware…
Added 5 days ago
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Embedded Software Engineer (C/C++), Machine Learning
Qualcomm
Markham, ON
- Full-time
The position focuses on mapping high level machine learning operators to low level hardware instructions, involving various optimization techniques: graph transformation, scheduling, memory…
Added 5 days ago
Principal Digital Verification Engineer
Synopsys
Ottawa, ON
Mentor junior engineers on testbench design, debugging techniques, and verification methodology while collaborating with other principal-level engineers on verification strategy
Added 5 days ago
Principal Firmware Engineer
Synopsys
Ottawa, ON
Explaining a firmware optimization to a hardware engineer or a training strategy to a customer-facing team is something you can do without losing either audience
Added 5 days ago
Principal SI/PI Engineer - 18619
Synopsys
Mississauga, ON
You are a highly skilled and passionate engineer with a deep understanding of high-speed signal and power integrity, particularly in the realm of SerDes interfaces. With a proven track…
Added 5 days ago
Développeur.se principal.e de l’infrastructure / Lead Infrastructure Developer
Electronic Arts
Montreal, QC · Vancouver, BC
As Lead Infrastructure Engineer, you will own the GPU fleet our researchers train on including capacity, scheduling, diagnostics, and support. You will set technical direction for GPU…
Added 6 days ago
PG
Principal Hardware Engineer
PRI Global
Ottawa, ON
- Contract
Partner with software teams to ensure hardware-software interoperability.
Added 6 days ago
CL
Senior Embedded Firmware Engineer
Current Lighting Employee Co LLC
Montreal, QC
- Full-time
Current Lighting is seeking an Sr Embedded Firmware Engineer to join our progressive and dynamic fast-paced enterprise and device controls automations team. These are exciting times - our…
Added 6 days ago
N
CPU Verification Engineer
NUVACORE
Markham, ON
- Full-time
…seeking Verification Engineers at multiple levels - from Senior Engineer to Principal level - to help prove the correctness of the Nuvacore CPU. As part of the design verification (DV)…
Added 6 days ago
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Formal Verification Engineer
NUVACORE
Markham, ON
- Full-time
…Formal Verification Engineers at multiple levels - from Senior Engineer to Principal level - to help prove the Nuvacore CPU correct with formal methods. As part of the design verification…
Added 6 days ago
R
Principal Engineer
RTX
Calgary, AB
- Full-time
We are presently seeking a highly motivated and skilled Principal Engineer to join our team. This position will play a critical role in the design, development, integration, testing, and…
Added 7 days ago
MS
Jr. Software Engineer - Java, Angular, JavaScript
Motorola Solutions
Quebec, QC · Gatineau, QC · ON
- Full-time
Motorola Solutions est le principal développeur de logiciels et fournisseur de solutions pour le traitement des appels d'urgence, le logiciel qui permet aux centres 911 de recevoir et de…
Added 7 days ago
MS
Junior Software Engineer, Emergency Call Handling
Motorola Solutions
Ottawa, ON · Gatineau, QC
- Full-time
…le flux de travail de la sécurité publique. Nous sommes le principal fournisseur de solutions pour la gestion des appels d'urgence, le logiciel qui permet aux centres d'appels 911 de…
Added 8 days ago
P&
Operations Program Analyst / Engineer
Pratt & Whitney
Longueuil, QC
- Full-time
Titre du poste : Operations Program Engineer-Analyst
Added 8 days ago
R
Operations Program Analyst / Engineer
RTX
Longueuil, QC
- Full-time
Titre du poste : Operations Program Engineer-Analyst
Added 11 days ago
C
Engineer or Senior Officer, Signals and Communication Design
CN
Montreal, QC
- Full-time
…accountable for all aspects of safe and effective design of circuits, hardware and software for highway crossing and wayside signalling projects. Furthermore, the role understands and…

Microsoft

Principal Software Engineer

Vancouver, BC, Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Posting language: English
Posted: Oct 2, 2026

Original job description

Overview

Do you want to help shape the future of AI infrastructure and influence the hardware-software co-design decisions powering Microsoft's next generation of AI platforms?

Join the Systems Planning and Architecture (SPARC) team within Azure Hardware Systems and Infrastructure (AHSI), where we are building infrastructure for some of the world's most demanding AI workloads. Our team drives model enablement, performance optimization, and hardware-software co-design across Microsoft's custom AI accelerators and cloud-scale AI systems.

As a Principal Software Engineer, you will provide technical leadership for enabling and optimizing frontier-scale AI models on Microsoft AI accelerators. You will work across hardware architecture, compilers, kernels, frameworks, runtimes, and model teams to define performance strategies, influence future platform investments, and improve training and inference efficiency at scale. This opportunity places you at the intersection of AI systems, distributed computing, and accelerator architecture, with the ability to influence technical direction across multiple engineering organizations.

This role is flexible and offers a hybrid work model with three days per week in the office.

Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees, we come together with a growth mindset, innovate to empower others, and collaborate to achieve our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

Lead technical strategy for enabling and optimizing frontier-scale AI models across Microsoft AI accelerators and cloud-scale AI infrastructure.
Architect and optimize AI systems across hardware, compilers, kernels, frameworks, runtimes, and distributed infrastructure to improve training and inference performance.
Partner with hardware architecture teams on hardware-software co-design, influencing accelerator features, memory systems, interconnects, execution models, and future silicon roadmaps.
Drive performance optimization across kernels, communication, memory movement, quantization, attention, mixture-of-experts (MoE), and other critical AI workloads.
Architect distributed training and inference solutions spanning large accelerator clusters, including parallelism, communication, memory management, and scaling strategies.
Drive model enablement and performance improvements across AI frameworks and inference technologies such as PyTorch, Triton, vLLM, SGLang, and related ecosystems.
Lead architecture reviews and complex cross-organization technical initiatives, build alignment across engineering teams, mentor engineers, and provide technical recommendations that inform Microsoft's long-term AI infrastructure strategy.

Qualifications

Required/minimum qualifications

Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

Experience partnering with hardware architecture teams on hardware-software co-design, accelerator enablement, or performance optimization.

Other Requirements

Ability to meet Microsoft, customer, and/or government security screening requirements, including Microsoft Cloud Background Check requirements.

Preferred Qualifications

7+ years of experience developing and optimizing high-performance AI systems, kernels, or accelerator software using CUDA, ROCm, Triton, or similar programming models.
Deep experience optimizing large-scale AI workloads, including attention, mixture-of-experts (MoE), quantization, FP8, KV-cache management, memory efficiency, or related techniques.
Experience enabling and optimizing large language, reasoning, multimodal, or other foundation models on AI accelerators.
Experience designing distributed training or inference systems using techniques such as tensor, pipeline, expert, or sequence parallelism.
Deep knowledge of AI frameworks such as PyTorch and experience optimizing production-scale training or inference workloads.
Demonstrated experience leading complex technical initiatives across multiple engineering organizations and influencing technical strategy beyond immediate team boundaries.
Publications, patents, open-source contributions, or other recognized contributions in AI systems, distributed computing, machine learning infrastructure, or hardware acceleration.

Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

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More about this job

Responsibilities

The Principal Software Engineer will lead the technical strategy for optimizing frontier-scale AI models across Microsoft's custom AI accelerators and cloud-scale infrastructure. They will collaborate with hardware architecture teams on co-design initiatives and drive performance improvements across kernels, frameworks, and distributed systems.

Requirements

Candidates must hold a Bachelor's degree in a technical field and possess at least 6 years of engineering experience with proficiency in languages like C, C++, or Python. Strong expertise in hardware-software co-design, AI accelerator enablement, and performance optimization for large-scale workloads is required.

Skills

AI Infrastructure
Hardware-Software Co-design
Performance Optimization
Distributed Computing
Accelerator Architecture
C++
Python
CUDA
ROCm
Triton
PyTorch
Large Language Models
Quantization
Distributed Training
System Architecture
Technical Leadership

Benefits

Health Insurance
Retirement Plan
Paid Time Off
Professional Development

Visa sponsorship

Not detected in the job text

Keywords

AI Infrastructure
Hardware-Software Co-design
Azure
Performance Optimization
Distributed Computing
Accelerator Architecture
C
C++
Python
CUDA
ROCm
Triton
PyTorch
vLLM
SGLang
Large Language Models
Quantization
FP8
KV-cache
Distributed Training
System Architecture
Technical Leadership
Cloud Infrastructure
Silicon Roadmaps
Machine Learning
Software Engineering
AI Frameworks
Parallelism
Memory Management
Kernel Optimization

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