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Senior Site Reliability Engineer

Job in Mississauga, Ontario, Canada
Listing for: Canonical
Full Time position
Listed on 2026-02-23
Job specializations:
  • Software Development
    DevOps, Cloud Engineer - Software, Python
Job Description & How to Apply Below
Senior Site Reliability Engineer
Join Canonical as a Senior Site Reliability Engineer and help move the world to open source.

Canonical is a leading provider of open source software and operating systems. Our platform, Ubuntu, is widely used in public cloud, data science, AI, engineering innovation and IoT, and is trusted by leading cloud and silicon providers.

We are seeking a software engineer fluent in Python who can apply a scientific, metric-based approach to operations and work in a high‑pressure environment to run mission‑critical services for global customers.

Responsibilities

Bring Python software‑engineering skills and rigor to operations from bare metal to application.

Practice devsecops across the stack and architect/operate Open Stack, Kubernetes, and software‑defined storage.

Enable devsecops for applications running on that infrastructure.

Run hundreds of private cloud, Kubernetes, and application clusters and drive continuous improvement through automation and model‑driven operations.

Participate in bi‑annual in‑person team sprints and welcome opportunities to travel internationally.

Qualifications

Degree in Software Engineering or Computer Science.

Experience with Linux, networking, and storage.

Python software development expertise.

Operational experience.

Excellent interpersonal skills, curiosity, flexibility, and accountability.

Ability to travel internationally twice a year for up to two weeks.

Nice‑to‑have skills

Experience with Open Stack or Kubernetes deployment or operations.

Familiarity with public or private cloud management.

What we offer

Distributed work environment with twice‑yearly in‑person team sprints.

Personal learning and development budget of USD 2,000 per year.

Annual compensation review and performance‑driven bonus or commission.

Annual holiday leave.

Maternity and paternity leave.

Employee Assistance Programme.

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, we are changing the world of software and offering a step into the future where you can think differently, work smarter, learn new skills, and raise your game.

Equal Opportunity Employment
Canonical is an equal‑opportunity employer. We foster a workplace free from discrimination and are proud to give all applicants fair consideration.

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Position Requirements
10+ Years work experience
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