About the role

Software Engineer building hardened Ubuntu container images and automated CI/CD pipelines for Canonical. Securing, testing, signing, and maintaining open-source software artifacts at scale.

Responsibilities

Build and maintain a growing portfolio of high-quality, hardened container images
Design and operate automated CI/CD pipelines that build, test, scan, sign, publish, promote, and retire images across environments and architectures
Write tooling and tests to assess security compliance and cloud-native compatibility
Work closely with the community and partners to share container expertise and keep the portfolio current with new features, patches, and applications
Collaborate with product security, platform, infrastructure, and customer-facing teams
Contribute technical input to team decision-making
Define image standards spanning security, compatibility, performance, size, and developer experience
Grow the knowledge base and write about the work
Work in a collaborative, agile, globally distributed environment
Mentor colleagues and contribute to hiring
Work from home with global travel of up to 15% for internal and external events

Proficiency in Bash and Python
Experience working with CI/CD systems (e.g. GitHub Actions, Jenkins)
Experience building container images
Command of at least one container management or orchestration tool (e.g. Docker, Podman, or Kubernetes)
Hands-on experience with Linux systems, package management, build systems, release engineering, or artifact pipelines
Clear communication and end-to-end ownership, spanning design, review, documentation, operation, and cross-team collaboration
A commitment to sharing knowledge and helping those around you grow
A genuine appetite for learning and for working outside your comfort zone
A Bachelor's degree or equivalent in Computer Science, a STEM field, or a similar discipline
An exceptional academic track record from both high school and university
Business level written and spoken English
Sincere personal motivation aligned with Canonical's mission
International travel 2-4 times a year for company events up to two weeks long
0-7 years relevant experience
Nice-to-have: security-oriented maintenance mindset; software supply chain security; GitOps; Go or Rust; minimal and distroless container images; OCI specifications; CIS, NIST, FedRAMP, or DISA STIG; open source contributions; DevSecOps; responsible AI or agentic development
Relevant Linux, container, or cloud-native certifications such as CKS or DCA are welcome

Performance-driven annual bonus
Distributed work environment with twice-yearly team sprints in person
Personal learning and development budget of USD 2,000 per year
Bi-annual compensation review
Company recognition rewards
40 days annual leave per annum, including public holidays and All Company holiday periods
Maternity and paternity leave
Team Member Assistance Program & Wellness Platform
Opportunity to travel to new locations to meet colleagues
Priority Pass for lounge access