DevOps Engineer interview questions (2026)

DevOps interviews test CI/CD & automation, infrastructure & reliability, incident handling, and collaboration. Then practice them in a free AI mock interview tailored to your exact role.

CI/CD & automation

• Walk me through a CI/CD pipeline you've built.
• How do you do zero-downtime deployments?
• How do you manage secrets and configuration safely?

Infrastructure & reliability

• How would you design infrastructure for high availability?
• How do you monitor a system, and what do you alert on?
• Explain infrastructure-as-code and why it matters.

Incidents & collaboration

• Walk me through how you handled a production outage.
• How do you run a blameless post-mortem?
• How do you balance shipping speed with reliability?