Staff Site Reliability Engineer
Core
Design, build, deploy, and operate software and systems supporting Firefox engineering, including developer tooling, workflow automation, CI/CD systems, and AI-assisted development tools.
Role type
Staff Site Reliability Engineer
Builds
Production systems, developer tooling, CI/CD pipelines, and AI-assisted development tools for Firefox Engineering
Domain
Cloud infrastructure, DevOps, and software engineering
Required skills
Python, JavaScript/TypeScript, C++, Rust, Infrastructure as Code (Terraform), CI/CD, containers, orchestration, networking, databases, observability, data analysis, systems thinking
Preferred skills
Experience with modern AI-assisted development tools
Technologies
Python, JavaScript, TypeScript, C++, Rust, Terraform
Responsibilities
Design and build software and systems supporting Firefox engineering; Develop developer tooling, workflow automation, CI/CD systems, and AI-assisted development tools; Own end-to-end technical problems across software, cloud, and operational layers; Improve system reliability, performance, observability, and cost efficiency; Collaborate with cross-functional teams on technical problems; Use telemetry, metrics, and data analysis to investigate problems and inform engineering decisions; Contribute to architecture, technical strategy, reusable engineering patterns, and the open-source ecosystem
Seniority
Staff, hands-on IC
