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Site Reliability Engineer Tools
Job Description & How to Apply Below
Build developer tooling and reliable production systems supporting Firefox engineering as a Staff Site Reliability Engineer strong software skills across cloud and operations.
This experienced software engineering role spans internal engineering systems, workflow automation, and infrastructure. You will support Firefox engineering through CI/CD, observability, telemetry, and AI-assisted development tools. The work combines hands-on delivery with systems thinking and technical judgment.
Key Responsibilities:
Design, build, deploy, and operate software supporting Firefox engineering
Develop CI/CD, workflow automation, and developer tooling
Own complex problems across software, cloud, and operations
Use telemetry and metrics to guide engineering decisions
Contribute to architecture and technical strategy across teams
Requirements:
Strong software development and production operations experience
Cloud deployment experience using infrastructure as code, including Terraform
Strong programming skills in Python or JavaScript/Type Script
Experience across observability, containers, networking, databases, or CI/CD
Ability to work across disciplines and unfamiliar systems
Apply software engineering, cloud operations, and developer tooling expertise to improve Firefox engineering systems at Mozilla.
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