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Site Reliability Engineer (SRE) Overview

Job Description

A freelance Site Reliability Engineer (SRE) is responsible for ensuring the efficient and reliable operation of websites, web applications, and infrastructures. They work with development teams to design, build, and maintain scalable systems with minimal downtime. The freelance SRE is skilled in monitoring, troubleshooting, and optimizing systems to meet performance and availability targets. They perform proactive system monitoring, incident response, and capacity planning to ensure systems are highly available and can handle expected traffic loads. Additionally, the freelance SRE collaborates with cross-functional teams to define and implement best practices for infrastructure automation, continuous integration, and deployment processes.

Most Common Skills

Terraform, Kubernetes, and AWS - For more data, check Site Reliability Engineer (SRE) skills.

Average Hourly Rate

$106 - This number comes from our open-source Site Reliability Engineer (SRE) hourly rates database.

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Fun Facts

  • SREs coined the term Error Budget, which refers to the allowable amount of downtime or errors a system can have without negatively impacting user experience.
  • SREs at Google are known as "slightly evil" because they often push developers to “be more scared,” focusing on the worst-case scenarios to build resilient systems.
  • SREs are known for their love of automating everything!


  • "Site Reliability Engineers: Optimizing technology with a perfect blend of skill and caffeine."
  • "The value of a Site Reliability Engineer lies not only in their ability to keep systems up and running, but in their dedication to constantly improve and innovate. They are the architects of stability, the guardians of reliability, and the catalysts for progress."
  • "As a Site Reliability Engineer, my life's motto is 'I don't always fix problems, but when I do, I make sure to blame the developers first.'"

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