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Site Reliability Engineering

SRE is the discipline of applying software engineering to operations problems. It replaces ad-hoc ops work with principled systems: reliability targets backed by error budgets, toil replaced by automation, and incidents treated as system failures rather than human ones. This skill covers the full SRE lifecycle - from defining SLOs through capacity planning and progressive delivery - as practiced by teams operating production systems at scale. Designed for engineers moving from "keep the lights on" to systematic reliability ownership.

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