How to Scale Chaos Engineering

Chaos Engineering only delivers real results when it’s done consistently and at scale. This playbook walks you through how top engineering teams prove value with a single service, define customer-impacting health checks, test the dependencies that cause most outages, and build repeatable processes that turn chaos experiments into a mature reliability program.

Whether you’re starting from scratch or scaling testing across dozens of services, this guide gives you a clear, practical framework for strengthening uptime and reducing risk.

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About the Authors

Jordan Pritchard

Director of Infrastructure & Site Reliability Engineering

Michael Kehoe

Architect of reliable, scalable infrastructure

Rodney Lester

Technical Lead, Reliability Pillar of Well Architected Program

Tammy Butow

Principal SRE

Jay Holler

Manager, Site Reliability Engineering

Ramin Keene

Founder

Walk away with a blueprint your teams can use immediately to strengthen critical paths, validate dependencies, and build a long-term reliability program that scales.

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  • Incident classification: SEV descriptions and levels, and SEV and time-to-detection (TTD) timelines

  • Organization-wide critical service monitoring, including key dashboards and KPI metrics emails

  • Service ownership and metrics for organizations maintaining a microservices architecture

  • Effective on-call principles for site reliability engineers, including rotation structure, alert threshold maintenance, and escalation practices

  • Chaos Engineering practices to identify random and unpredictable behavior in your system

  • Monitoring and metrics to detect incidents caused by self-healing systems

  • Creating a high-reliability culture by listening to people in your organization

  • Learn how to identify a critical service, define meaningful health checks, and uncover failure modes that impact real users.
  • See how leading teams map and test dependencies, standardize reliability tests, and integrate reviews into existing engineering workflows.
  • Get a step-by-step approach for scaling Chaos Engineering across your organization with automation, repeatable processes, and ongoing coverage.

Over a decade of collective experience unleashing chaos at companies like

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