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Staff Site Reliability Engineer, Tools & Systems
Mozilla
Remote · SwedenSalary not disclosedfull-timeMozilla Careers
We are looking for an experienced and versatile software engineer to work on the tools and systems that support Firefox engineering. This is a broad software engineering role spanning internal engineering systems, developer tooling, workflow automation, and the infrastructure required to operate them.
Responsibilities
- Design, build, deploy, and operate software and systems supporting Firefox engineering.
- Contribute to developer tooling, CI/CD, workflow automation, and AI-assisted development tools.
- Own complex technical problems end-to-end across software, cloud, and operational layers, improving reliability, performance, observability, and cost efficiency.
- Work with Firefox engineering, Cloud Engineering, IT, and other teams to solve problems that span technical and organizational boundaries.
- Use telemetry, metrics, and data analysis to investigate problems and guide engineering decisions.
- Contribute to architecture and technical strategy, identifying recurring problems and solutions that can be applied across teams.
Languages
- Work format
- Remote
- Seniority
- Senior
- Posted
- 22 Oct 2026
- Last verified
- In the last 5 days
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