Site Reliability Engineer Interview Prep
SREs apply software engineering to operations, building systems that are reliable, scalable, and maintainable. Interviews cover incident response, SLOs, distributed systems, and automation.
Practice This Interview with AI — FreeKey Skills to Highlight
Common Behavioral Questions
Walk me through the worst incident you've managed. What was your role and what did you learn?
Describe a time you automated away toil that was eating your team's time.
How do you handle on-call burnout on your team?
Tell me about a time you pushed back on a feature launch due to reliability concerns.
Describe how you've improved the reliability of a system over time.
Role-Specific Questions
How would you set SLOs for a new customer-facing service?
Walk me through how you'd diagnose high latency in a distributed system.
Design an observability strategy for a microservices architecture.
How do you approach capacity planning for a rapidly growing service?
Describe your approach to writing runbooks and postmortems.
Interview Tips
Have detailed incident stories with timelines and learnings
Know the SRE book concepts (SLIs, SLOs, error budgets, toil)
Be ready to write code — modern SRE is as much engineering as ops
Show systems thinking — understand how failures cascade
Demonstrate blameless postmortem culture in how you describe incidents
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