Junior Linux Kernel Engineer – Ubuntu

Remote from
🌐 Anywhere
Annual salary
Undisclosed
Salary information is not provided for this position. Check our Salary Directory to estimate the average compensation for similar roles.
Employment type
Full Time,
Job posted
Apply before
21 Aug 2026
Experience level
Entry-Level
Junior
Views / Applies
69 / 6

About Canonical Ltd.

Trusted open source for enterprises

Actively Hiring
Verified job posting
This job post has been manually reviewed for authenticity and compliance.

AI Summary

This is a junior-level remote position at Canonical focused on developing and maintaining the Linux kernel for Ubuntu across various platforms, from embedded devices to cloud environments. The role involves collaborating with a global team, learning from senior engineers, and taking responsibility for kernel delivery and testing. Ideal candidates are recent graduates or early-career professionals with programming skills in C or Rust and a passion for operating systems. The position requires strong communication, self-motivation, and willingness to travel twice a year for company events.

Role DNA

Job Complexity
Easy Hard
Pace & Pressure
Relaxed Fast-paced
Autonomy Level
Guided Full Ownership
Communication Load
Independent Highly Collaborative
AI Insight This is a junior role requiring foundational programming skills, but the complexity of kernel development and need for deep system understanding make it moderately challenging.

Salary Analysis

Median Market Rate
$85,000
US Market
$70k – 120k
0 $132k
AI Insight The offered salary is not specified, but for a junior Linux kernel engineer in the US market, the typical range is $70,000 to $120,000 annually. This role offers excellent growth opportunities and experience with cutting-edge open source technology.

Dear Hiring Manager,

I am excited to apply for the Junior Linux Kernel Engineer position at Canonical. With a strong foundation in C and Rust programming, and a deep interest in operating systems, I am eager to contribute to the Ubuntu kernel team. I have experience with version control (git) and a solid understanding of kernel fundamentals. I am a motivated self-starter who thrives in remote, collaborative environments. I look forward to the opportunity to learn from senior mentors and help deliver high-quality Linux kernels.

Can you describe your experience with the Linux kernel and any kernel-related projects you have worked on?
In my coursework, I studied operating systems and implemented a simple kernel module. I also contributed to an open-source project that involved patching the kernel for a specific device driver.
How would you approach debugging a kernel panic?
I would start by analyzing the kernel log messages (dmesg) to identify the error. Then I would reproduce the issue in a controlled environment, use tools like gdb and crash to examine the state, and isolate the problematic code. If it's a driver, I would check for recent changes.
Explain the process of submitting a patch to the upstream Linux kernel.
First, I would ensure my code follows kernel coding style. Then I would create a clear commit message describing the change, using 'git format-patch'. I would test the patch thoroughly, then send it to the appropriate maintainer and mailing list, and address any feedback.
What is your understanding of memory management in the Linux kernel?
The Linux kernel manages physical and virtual memory using page tables, with mechanisms like buddy allocator for physical pages and slab allocator for small objects. It handles page faults, swapping, and caching. Understanding these is crucial for kernel development.
How do you stay updated with the latest kernel developments and security patches?
I follow the Linux kernel mailing list, read LWN.net, and monitor security advisories. I also subscribe to the Ubuntu security notices and use git to track upstream changes. Participating in community discussions helps too.

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world’s leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution.

The company is founder-led, profitable, and growing.

Every year we select new junior professionals into the Canonical Kernel Team, to work on the Linux kernel for Ubuntu. If you’ve enjoyed operating systems in your coursework or current role, you are confident in your ability to write high quality C and possibly Rust, and are ready to take the plunge and see how it all works, then this would be a great place to pursue your next career stage. We are a global team working to ship the world’s most widely used Linux kernel, across the very latest silicon and cloud, where you can apply and grow your software engineering skills.

The Canonical Kernel Team builds and maintains all supported Ubuntu Linux kernels for a variety of platforms and architectures from small embedded devices to standard desktop/server systems to large-scale cloud environments. In your first year you will tackle serious initiatives, which include but are not limited to:

  • Optimized solutions for key Silicon and Cloud partner platforms
  • Developer platforms such as Raspberry Pi and RISC-V
  • Enabling Ubuntu on a wide range of embedded systems
  • Security hardening and exploit mitigation
  • Third-party driver integration and distribution, such as graphics
  • Expanded driver support for bleeding-edge PC platforms

We select candidates that are recent university graduates or early career professionals who are enthusiastic to develop kernel-level software in multiple areas including security updates, patching, and testing. The successful candidate will have a background in software engineering, be motivated to work in a distributed team and willing and able to travel globally twice a year for company engineering events.

These are full-time positions available to prospective or recently graduated students.

Location: We have home-based Kernel Teams in every timezone.

The role entails

  • Collaborate regularly and proactively with a globally distributed team
  • Learn from senior mentors to demystify the inner workings of the Linux kernel and how it is distributed
  • Work closely with external silicon, cloud, or hardware manufacturer delivery teams on bleeding-edge platforms
  • Diagnose and resolve issues in the kernel reported by customers, the community, and discovered by your own rigorous testing
  • Take personal responsibility for the delivery of various flavors of the Ubuntu Linux kernel
  • Improve tooling and automation for delivery and test of Ubuntu Linux kernels
  • Submit, review, and apply kernel patches, working with both internal and external upstream maintainers

What we are looking for in you

  • Well-organized and motivated self-starter able to thrive in a remote work environment
  • Professional manner with colleagues, business partners, and the open-source community
  • Ability to communicate effectively in English, both written and verbal
  • Programming experience in C and/or Rust
  • Familiarity with version control practices, ideally with git
  • Understanding of operating system kernel fundamentals
  • Ability to travel twice a year for company events of up to two weeks length

Nice-to-have skills

  • Interest and experience in Rust
  • Python and Bash scripting ability
  • Prior experience with Ubuntu/Debian/Snap packaging
  • Demonstrated experience with kernel patching and debugging
  • Strong grasp of device drivers, BSP’s, and other low level system engineering

What we offer colleagues

We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognize outstanding performance. In addition to base pay, we offer a performance-driven annual bonus or commission. We provide all team members with additional benefits which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally.

  • Distributed work environment with twice-yearly team sprints in person
  • Personal learning and development budget of USD 2,000 per year
  • Annual compensation review
  • Recognition rewards
  • Annual holiday leave
  • Maternity and paternity leave
  • Team Member Assistance Program & Wellness Platform
  • Opportunity to travel to new locations to meet colleagues
  • Priority Pass and travel upgrades for long-haul company events

About Canonical

Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform for AI, IoT, and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence; in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since our inception in 2004.​ Working here is a step into the future and will challenge you to think differently, work smarter, learn new skills, and raise your game.

Canonical is an equal opportunity employer

We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration.

#LI-remote

Apply now >

This job listing has been manually reviewed by the Jobicy Trust & Safety Team for compliance with our posting guidelines, including verification of the company's legitimacy, accuracy of job details, clarity of remote work policy, and absence of misleading or fraudulent content.

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