Software Engineer, Sustaining Engineering
CanonicalRemote
Full Time
Posted January 20, 2026
Not Specified
Remote
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Job Description
A Software Engineer in Sustaining Engineering at Canonical works on maintaining and troubleshooting open source software components of Ubuntu, including Linux, cloud technologies, and containerization, by developing bug fixes, upstream contributions, and supporting enterprise customers in a remote, collaborative environment.
Key Responsibilities
- Resolve complex customer issues related to Ubuntu, Kernel, Ceph, OpenStack, or Kubernetes
- Maintain collaboration with Canonical's Field, Support, and product engineering teams
- Participate in upstream open source communities
- Develop bug fixes, backport patches, and work with upstream for inclusion
- Review code produced by other engineers
- Troubleshoot and address software issues at various levels of the stack
- Contribute to upstream bug fixes and upstream community engagement
Requirements
- Professional experience as a software engineer
- Background in Computer Science, STEM or similar field
- Strong experience with Linux
- At least one of the following cloud technologies: Ceph, OpenStack, Kubernetes
- Strong development-level experience with at least one of Python, Go, C or C++ on Linux
- Ability to troubleshoot with debugging tools like gdb
- Familiarity with git source code repositories and branches
- Willingness to travel up to 4 times a year for internal events
- Resolving complex customer problems related to Ubuntu, Kernel, Ceph, OpenStack, or Kubernetes and other open source software
- Maintaining a close working relationship with Canonical’s Field, Support and product engineering teams
- Participating in upstream communities
- Developing bug fixes, backporting patches, and working with upstream for inclusion
- Reviewing code produced by other engineers
- Demonstrating good judgement in technical methods and techniques
- Prioritizing work and managing your time effectively against those priorities
- Participating in team discussions to improve processes, tools, and documentation
- Maintaining clear, technical, and concise communications
Benefits & Perks
Compensation is based on location, experience, and performance, with annual reviews and performance-driven bonuses
Distributed work environment with remote work since 2004
Annual personal learning and development budget of USD 2,000
Annual holiday leave
Maternity and paternity leave
Recognition rewards
Opportunity to travel to new locations to meet colleagues
Travel upgrades and Priority Pass for travel and company events
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