Software Engineer
Responsible for maintaining and improving Ubuntu-based solutions, focusing on bug resolution, performance tuning, and reliability. Works with C++, Python, Linux systems, shell scripting, version control, and continuous integration pipelines to support enterprise cloud, AI, and IoT workloads.
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.
We are hiring a Software Engineer, Sustaining Engineering for ...
...a fast-paced engineering role in Linux-based software-defined infrastructure and applications, covering all layers of the stack, including bare metal, virtualization (KVM) and containerization (Docker/LXC/LXD), storage (Ceph and Linux filesystems), networking (OVS, OVN and Core networking), up to OpenStack and Kubernetes, and the open source applications running on top of them. It will challenge you to show the breadth of engineering skill needed to work on almost any aspect of Ubuntu and the open source things people run with it.
This role is an opportunity for a technologist with a passion for Linux and open source to build a career with Canonical and drive success for our customers, community and the company. If you have an affinity for open source development, great communication skills, and a passion for troubleshooting and fixing issues in technology used by millions across the world, then you will enjoy working with some of the best people in the industry at Canonical .
Location: This is a remote role, we have teams in all time zones.
This role deals with critical issues in the open source stack that require software engineering for upstream bug fixes. Our engineers have to be able to work productively at any level of the stack above the kernel, in a wide range of languages, to understand and address the software issues at hand. Our group is critical to the success of our enterprise customers, partners and Ubuntu itself.
You will help with troubleshooting and driving issues to resolution with workarounds, guidance, and bug fixes to be released upstream and in Ubuntu.
This role entails
Posted June 21, 2026