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Linux Kernel Engineer Jobs in Ontario (NOW HIRING)

Fortinet

Software Developer (C/C++)

Ottawa, ON · On-site

CA$117K - CA$143K/yr

Fortinet is growing and we are looking to hire a Software Engineer to join our team in Ottawa. At ... Knowledge of Linux kernel and Linux security applications a bonus. * Proficiency with Linux ...

Fortinet, Inc.

Software Developer (C/C++)

Ottawa, ON · On-site

CA$117K - CA$143K/yr

Fortinet is growing and we are looking to hire a Software Engineer to join our team in Ottawa. At ... Knowledge of Linux kernel and Linux security applications a bonus. * Proficiency with Linux ...

Nokia

Platform Test Automation Engineer

Kanata, ON · On-site

Bachelor of Engineering degree in Computer Systems, Software, Electrical or Communications or ... Knowledge and hands-on experience with Linux file system, kernel, and partitions. * Help validate ...

Voyis

Embedded Systems Test Engineer

Waterloo, ON · On-site

Advanced working knowledge of embedded Linux -- comfortable navigating the kernel/userspace ... Champion a quality-first engineering culture, partnering with firmware, software, and hardware ...

Lightmatter

Industry experience with device driver and kernel side development. * Strong understanding of ... Experience with developing commercial/enterprise-level software and firmware on Linux. * Experience ...

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Linux Kernel Engineer information

What does a Linux Kernel Engineer do?

A Linux Kernel Engineer is responsible for developing, maintaining, and optimizing the core of the Linux operating system, known as the kernel. Their work involves writing and debugging low-level code, adding new features, fixing bugs, ensuring system security, and improving performance. They often collaborate with the open-source community and hardware manufacturers to ensure compatibility and stability across various platforms. This role requires strong programming skills, especially in C, and a deep understanding of operating system concepts.

What does a Linux Kernel Engineer do?

As a Linux kernel engineer, your responsibilities are to develop company or client operating systems that rely on Linux. Your duties involve writing code and working to test and debug the developments you make to the Linux kernel, which is the main component of a Linux operating system. You may check your code for security and ensure that the system interacts effectively and efficiently with software and applications. You may also work on the customization of the system to meet the needs of your employer or client.

What are the key skills and qualifications needed to thrive as a Linux Kernel Engineer, and why are they important?

To thrive as a Linux Kernel Engineer, you need deep expertise in C programming, operating systems concepts, and a strong understanding of Linux internals, often supported by a degree in computer science or related field. Familiarity with version control systems (such as Git), kernel debugging tools (like GDB or ftrace), and experience contributing to open-source projects are typically required. Strong problem-solving abilities, attention to detail, and effective written communication are crucial soft skills for collaborating with global developer communities. These skills ensure high-quality kernel development, efficient troubleshooting, and successful integration with the broader open-source ecosystem.

What are some common challenges Linux Kernel Engineers face when working on upstream contributions?

Linux Kernel Engineers often encounter challenges such as navigating complex codebases, adhering to strict coding and documentation standards, and coordinating with a diverse global community of maintainers and contributors. Getting patches accepted upstream requires thorough testing, clear communication, and addressing feedback from reviewers, which can be a time-consuming process. However, this collaborative environment fosters strong professional growth and ensures that engineers are constantly learning from industry experts.

What is the difference between Linux Kernel Engineer vs Linux Device Driver Developer?

AspectLinux Kernel EngineerLinux Device Driver Developer
Required SkillsDeep understanding of Linux kernel internals, C programming, system architectureProficiency in C, hardware interfaces, kernel modules, and device-specific programming
Work EnvironmentSystem-level development, kernel debugging, performance optimizationHardware interaction, driver development, testing on embedded or hardware platforms
Industry UsageOperating system development, open-source projects, enterprise Linux systemsHardware manufacturers, embedded systems, IoT devices
CertificationsLinux Foundation certifications, Linux kernel development coursesSimilar certifications, hardware-specific training

While both roles involve Linux kernel-related work, Linux Kernel Engineers focus on overall kernel development and optimization, whereas Linux Device Driver Developers specialize in creating and maintaining drivers for hardware components. The roles often overlap but differ in scope and focus areas.

More about Linux Kernel Engineer jobs

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Linux Kernel Engineer jobs near you
Infographic showing various Linux Kernel Engineer job openings in Ontario as of September 2026, with employment types broken down into 1% Internship, 90% Full Time, 7% Part Time, and 2% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution.

Member of Technical Staff (Infrastructure)

Toronto, ON • On-site

Career Renew
See more jobs at Career Renewexternal

$130K - $170K/yr

Full-time

Medical, Dental, Vision

Re-posted 29 days ago

Job description

Career Renew is recruiting for one of its clients a Member of Technical Staff (Infrastructure) - this is an onsite position in Toronto, Canada. Salary range: 130-170K USD yearly plus benefits.
 

We are building open-source browser infrastructure for AI agents and apps. We make it easy for developers to ship AI products that interact with the web using our Sessions API.
With over 6,000 GitHub stars, dozens of paying customers, and millions of sessions served monthly, we grew our platform 50x in 2025 purely through word-of-mouth and our open-source community. Backed by world-class investors, we're building a small, highly motivated, talent-dense team that's shaping the future of how humans interact with the internet.

The Role
We are looking for strong engineers with experience and interest in designing, building, and maintaining the novel, high-performance systems that make up our platform.
Sample projects include...

  • Building VM snapshotting that restores full browser state in under a second

  • Staring at kernel traces to performance engineer our Sessions API

  • Orchestrating millions of browser sessions across regions with sub-second cold starts

  • Working with VMs, proxies, caches, task queues, and orchestration systems

  • Shipping the observability and CI/CD stack from scratch

Requirements:

  • 4+ years writing high-quality, production code

  • Experience building and operating high-performance, large-scale distributed systems (battle scars welcome)

  • Strong cloud infrastructure skills (AWS, GCP)

  • Strong knowledge of OS foundations - Linux kernel, file systems, containers, etc

  • Track record in performance optimization (we love a good "shaved 5ms" story)

  • Able to work in-person from our Toronto office

  • Rust experience is a plus, not a requirement

Compensation & Package

Salary: CA$180k–225k (Canadian Dollars).
Equity: 0.25% – 1%
Plus benefits:

  • Health/dental/vision for you + family

  • Regular team events and off-sites

  • Brand-new laptop setup + gym membership subsidies

  • Meaningful architecture decisions (you'll design systems, not just implement specs)

  • Direct customer impact: work with innovative AI companies transforming healthcare, supply chain, accounting, and more