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Software Engineer, Sustaining Engineering

📍 London, United Kingdom

Construction Canonical

Job Description

Software Engineer, Sustaining EngineeringJoin to apply for the Software Engineer, Sustaining Engineering role at CanonicalSoftware Engineer, Sustaining EngineeringJoin to apply for the Software Engineer, Sustaining Engineering role at CanonicalCanonical 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 entailsResolving complex customer problems related to Ubuntu, Kernel, Ceph, OpenStack, or Kubernetes and other open source softwareMaintaining a close working relationship with Canonical's Field, Support and product engineering teamsParticipating in upstream communitiesDeveloping bug fixes, backporting patches, and working with upstream for inclusionReviewing code produced by other engineersDemonstrating good judgement in technical methods and techniquesPrioritizing work and managing your time effectively against those prioritiesParticipating in team discussions to improve processes, tools, and documentationMaintaining clear, technical and concise communicationsWorking from home and travel internationally up to 10% of work time for team meetings, events and conferencesWhat we are looking for in youProfessional experience as a software engineerBackground in Computer Science, STEM or similarStrong experience with Linux, and at least one of the following:Ceph, OpenStack, Kubernetes or other cloud technologiesStrong development-level experience with at least one of Python, Go, C or C++ on LinuxAbility to troubleshoot with debugging tools like gdbFamiliarity with git source code repositories and branchesAn exceptional academic track recordWillingness to travel up to 4 times a year for internal eventsNice-to-have skillsYou love technology and working with brilliant peopleYou are curious, flexible, articulate, and accountableYou value soft skills and are passionate, enterprising, thoughtful, and self-motivatedYou have interest in, and experience with most of the following: Ubuntu Linux - kernel or userspace, Kubernetes, OpenStack, Ceph, QEMU/KVM, LXC/LXD, Python, Go, C, Postgresql, Mongo, Debian packaging, distributed systemsWhat we offer colleaguesWe 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. 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 - we’ve been working remotely since 2004!Personal learning and development budget of USD 2,000 per yearAnnual compensation reviewRecognition rewardsAnnual holiday leaveMaternity and paternity leaveEmployee Assistance ProgrammeOpportunity to travel to new locations to meet colleagues from your team and othersPriority Pass for travel and travel upgrades for long haul company eventsAbout CanonicalCanonical 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 employerWe 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.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionEngineering and Information TechnologyIndustriesSoftware DevelopmentReferrals increase your chances of interviewing at Canonical by 2xGet notified about new Software Engineer jobs in London, England, United Kingdom.London, England, United Kingdom 4 months agoJunior Software Engineer (Integration Team)London, England, United Kingdom 1 day agoLondon, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 4 days agoLondon, England, United Kingdom 1 month agoLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 4 days agoFull-stack Software Dev - UK or Ireland (remote)London, England, United Kingdom 1 week agoLondon, England, United Kingdom 1 month agoHounslow, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 2 months agoLondon, England, United Kingdom 2 days agoLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 1 month agoLondon, England, United Kingdom 1 week agoGreater London, England, United Kingdom 3 weeks agoLondon, England, United Kingdom 1 month agoLondon, England, United Kingdom 2 days agoCity Of Westminster, England, United Kingdom 1 week agoSoftware Engineer - Go & Python, Ruby or C#London, England, United Kingdom 3 weeks agoGreater London, England, United Kingdom 4 months agoGreater London, England, United Kingdom £40,000.00-£50,000.00 1 month agoLondon, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 3 months agoLondon, England, United Kingdom 1 day agoFull Stack Software Development Engineer PHP/ReactLondon, England, United Kingdom 3 weeks agoLondon, England, United Kingdom $35,000.00-$46,000.00 1 month agoWe’re unlocking community knowledge in a new way. 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Job Details

Posted Date: December 17, 2025
Job Type: Construction
Location: London, United Kingdom
Company: Canonical

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Don't miss this opportunity! Apply now and join our team.