Interview prep
DevOps Engineer interview questions
DevOps/SRE interviews test infrastructure, reliability, and incident response. Expect scenario questions on scaling, CI/CD and outages.
🎤 Practice these out loud with AceCoach →The questions
Design a CI/CD pipeline for a microservices app. System
How to answerBuild → test → scan → artifact → progressive deploy (canary/blue-green) → rollback → observability gates.
A service is down. Walk me through your first 10 minutes. Incident
How to answerAcknowledge → assess blast radius → mitigate (rollback/scale/failover) → communicate → then root-cause.
How would you reduce a cloud bill that jumped 3x? Cost
How to answerFind the driver (usage vs pricing), right-size, autoscale, spot/reserved, kill idle, set budgets/alerts.
Explain how you'd secure a Kubernetes cluster. Security
How to answerRBAC, network policies, secrets management, image scanning, least-privilege, admission controls.
Tell me about an outage you owned end-to-end. Behavioral
How to answerSTAR: impact, your actions under pressure, the fix, and the prevention you shipped after.
What devops engineers are tested on
LinuxDocker & KubernetesCI/CDTerraform / IaCOne cloud (AWS/GCP/Azure)ObservabilityScripting
Frameworks are guidance, not scripts — the point is to make the answers your own. All roles →