DevOps Engineer Interview Questions
DevOps Engineers bridge the gap between software development and IT operations, focusing on automating deployment pipelines, managing infrastructure, ensuring system reliability, and fostering a culture of continuous delivery. Interviewers evaluate your experience with CI/CD, infrastructure as code, containerization, monitoring, incident response, and your ability to improve developer productivity while maintaining production stability. Expect questions about cloud platforms, automation strategies, and how you handle the human side of DevOps culture.
- Questions
- 21
- Behavioral
- 15
- Technical
- 6
No signup, no card. One real question, scored by AI.
Behavioral interview questions
15 questions that assess your experience, judgement and how you work with others
Tell me about a CI/CD pipeline you designed or significantly improved. What problems did it solve?
Describe your experience with infrastructure as code. How did you manage infrastructure at scale?
Tell me about a major production incident you managed. How did you respond and what did you learn?
Describe how you implemented monitoring and alerting for a production system.
Tell me about a time you containerized an application that was previously running directly on servers.
Describe a time you improved developer productivity by automating a manual process.
Tell me about how you implemented secrets management in a production environment.
Describe your approach to managing Kubernetes clusters in production.
Tell me about a time you had to balance security requirements with developer experience.
Describe how you managed costs in a cloud environment while maintaining performance.
Tell me about your experience implementing disaster recovery procedures.
Describe a time you migrated workloads between cloud providers or from on-premises to cloud.
Tell me about how you fostered DevOps culture in an organization that was not previously practicing it.
Give an example of how you handled a tricky networking issue in a cloud environment.
Describe a time you implemented a blue-green or canary deployment strategy.
Technical and role-specific questions
6 questions that test your domain expertise and technical knowledge
Explain the difference between containers and virtual machines. When would you choose one over the other?
What is GitOps and how does it differ from traditional CI/CD approaches?
How would you design a highly available architecture on AWS for a web application?
Explain the concept of immutable infrastructure. What are its benefits and challenges?
What are SLIs, SLOs, and SLAs, and how do they relate to each other?
How does a service mesh work and when would you introduce one?
DevOps Engineer interview tips
- Be prepared to draw and explain infrastructure architectures from memory, including how traffic flows, where failures can occur, and how your design handles them automatically.
- Practice explaining your incident management process end-to-end, from detection through communication to post-mortem, as this reveals your operational maturity and leadership skills.
- Demonstrate that you think about security as a continuous practice integrated into pipelines and processes, not as an afterthought or a separate team's responsibility.
- Show that you understand the cultural aspects of DevOps, not just the tools, by preparing examples of how you improved collaboration between development and operations teams.
- Be ready to discuss cost optimization strategies, as DevOps engineers are increasingly expected to balance performance and reliability with infrastructure spend.
Practice a DevOps Engineer question out loud
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How to prepare for DevOps Engineer interview questions
Use these questions to choose relevant examples from your own experience, then practice explaining your decisions and results out loud. The question bank is a preparation resource; your interviewer may ask different questions. Example answers illustrate an approach and should be adapted to your experience.
- Review the job description and identify the skills and responsibilities the interview is likely to assess.
- For behavioral questions, use STAR: explain the Situation, your Task, the Action you took, and the Result. Be specific about your own contribution.
- For technical questions, clarify assumptions, explain your reasoning, and discuss alternatives and tradeoffs.
- Practice one answer, review the feedback, and try again with a clearer explanation or stronger evidence.
Questions are free to browse. Sign in with a free account to read the full example answers. For more guidance, read our guide to interview stories or review how interview feedback is scored.