Site Reliability Engineering (SRE) is a discipline or approach to managing and maintaining complex, large-scale software systems with a focus on reliability, scalability, and performance. SRE combines software engineering and operations to ensure that systems are reliable, efficient, and resilient in production environments.

The concept of SRE was popularized by Google, where it originated as an internal team responsible for managing Google's vast infrastructure and services. SRE teams aim to bridge the gap between traditional software development and operations, emphasizing the importance of collaboration and shared responsibility.

Responsibilities of Site Reliability Engineer

* Site reliability engineers collaborate with other engineers, product owners, and customers to develop goals and metrics. This assists them in ensuring system availability. Once everyone has agreed on a system's uptime and availability, it is simple to determine the best moment to act.

* Site Reliability Engineer implements error budgets to assess risk, balance availability, and drive feature development. When there are no unreasonable reliability expectations, a team has the freedom to make system upgrades and changes.

* SRE is committed to decreasing labour. As a consequence, jobs that require a human operator to operate manually are automated.