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Devops Engineer Interview Questions

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Devops Engineer Interview Questions

DevOps is a quickly growing space for tech companies. Employers hiring DevOps engineers are looking for candidates with strong programming abilities, a knowledge of re-engineering processes and great communication skills to fast-track projects between IT professionals and software engineers. Expect to answer various technical questions that will evaluate your knowledge of tech tools and processes such as HTTP. Experience in software engineering or a related field is expected.

Top DevOps Engineer Interview Questions & How to Answer

Question 1

Question No. 1: What are the top DevOps tools, and which ones have you worked with before?

How to answer
How to answer: This open-ended question is designed to showcase your knowledge and experience with a variety of available DevOps tools. Share any tools you have specific experience with and how you have used them to develop good quality software. If you have generalised knowledge of many tools, you can easily refer to how to use them. If you have limited experience with DevOps tools, you can share that you specialise in those tools and how you have used them.
Question 2

Question No. 2: What is the need for DevOps?

How to answer
How to answer: This open-ended question allows you to demonstrate and communicate your knowledge of the advantages of using DevOps. This question also lets you share examples of companies who have used DevOps to achieve levels of performance that far exceeded expectations. You can attest to the benefits of DevOps and how these companies need it to continue to expand.
Question 3

Question No. 3: What are the most important things that DevOps help achieve?

How to answer
How to answer: This open-ended question is used to understand your perception of what is important when it comes to DevOps. Share the positive effects of DevOps and its relation to customer satisfaction, clearer communication and better collaboration. When possible, share examples from your previous experience that demonstrate these important aspects of DevOps.

13,132 devops engineer interview questions shared by candidates

I explained a project where I built and automated a CI/CD pipeline using Jenkins, GitHub, Docker, Kubernetes, and Terraform on AWS. I described how I provisioned infrastructure with Terraform, containerized the application with Docker, deployed it to Kubernetes, and configured Jenkins to automate the build, testing, and deployment process. I also discussed monitoring using Prometheus and Grafana, managing secrets securely, and how the automation reduced deployment time and improved reliability. I emphasized my role, the challenges I faced, and the measurable improvements the project delivered.
avatar

Devops Engineer

Interviewed at Morgan Stanley

3.9★
25 Jun 2026

I explained a project where I built and automated a CI/CD pipeline using Jenkins, GitHub, Docker, Kubernetes, and Terraform on AWS. I described how I provisioned infrastructure with Terraform, containerized the application with Docker, deployed it to Kubernetes, and configured Jenkins to automate the build, testing, and deployment process. I also discussed monitoring using Prometheus and Grafana, managing secrets securely, and how the automation reduced deployment time and improved reliability. I emphasized my role, the challenges I faced, and the measurable improvements the project delivered.

3) Interview Round Questions Technical Round In the technical round, questions were asked from Data Structures and Algorithms, system design, databases, and DevOps fundamentals. From DSA, multiple questions were asked including: One question on Binary Search Questions related to Binary Trees and Binary Search Trees One question on Bit Manipulation One problem based on the Fractional Knapsack (Greedy algorithm) Apart from DSA, the interviewer also asked questions related to UML diagrams, where the candidate was asked to design and explain the structure of a system. A backend system design and workflow was also discussed, where the candidate had to explain the architecture and how the system would function end-to-end. From the database side, complex SQL queries were asked, including queries involving joins, aggregations, and sorting. The interviewer also asked questions related to DevOps fundamentals, including basic Linux and Docker commands. In addition, several questions were asked about the projects mentioned in the resume, focusing on the implementation, challenges faced, and the candidate’s problem-solving approach. Managerial Round In the managerial round, the discussion was mainly focused on the projects mentioned in the resume. The interviewer asked detailed questions such as: Why a particular tech stack was chosen Why a specific database was used How the system could scale to support a large number of users Approximately how many users the system could handle This round mainly evaluated the candidate’s understanding of their project, system design thinking, and decision-making ability. HR / Behavioral Round The HR round consisted mainly of personal and situational questions. The interviewer asked questions about: The candidate’s background, such as where they are from and about their family Career goals, such as whether they plan to pursue government exams or continue in the engineering field The interviewer also asked situational questions related to teamwork and conflict management. For example: If a teammate suggests a solution that you believe is incorrect but the manager prefers that solution, how would you handle the situation? How would you deal with disagreements within a team? These questions were aimed at evaluating communication skills, teamwork, professionalism, and decision-making in collaborative environments.
avatar

Devops Engineer

Interviewed at Akamai

4.3★
12 Jun 2026

3) Interview Round Questions Technical Round In the technical round, questions were asked from Data Structures and Algorithms, system design, databases, and DevOps fundamentals. From DSA, multiple questions were asked including: One question on Binary Search Questions related to Binary Trees and Binary Search Trees One question on Bit Manipulation One problem based on the Fractional Knapsack (Greedy algorithm) Apart from DSA, the interviewer also asked questions related to UML diagrams, where the candidate was asked to design and explain the structure of a system. A backend system design and workflow was also discussed, where the candidate had to explain the architecture and how the system would function end-to-end. From the database side, complex SQL queries were asked, including queries involving joins, aggregations, and sorting. The interviewer also asked questions related to DevOps fundamentals, including basic Linux and Docker commands. In addition, several questions were asked about the projects mentioned in the resume, focusing on the implementation, challenges faced, and the candidate’s problem-solving approach. Managerial Round In the managerial round, the discussion was mainly focused on the projects mentioned in the resume. The interviewer asked detailed questions such as: Why a particular tech stack was chosen Why a specific database was used How the system could scale to support a large number of users Approximately how many users the system could handle This round mainly evaluated the candidate’s understanding of their project, system design thinking, and decision-making ability. HR / Behavioral Round The HR round consisted mainly of personal and situational questions. The interviewer asked questions about: The candidate’s background, such as where they are from and about their family Career goals, such as whether they plan to pursue government exams or continue in the engineering field The interviewer also asked situational questions related to teamwork and conflict management. For example: If a teammate suggests a solution that you believe is incorrect but the manager prefers that solution, how would you handle the situation? How would you deal with disagreements within a team? These questions were aimed at evaluating communication skills, teamwork, professionalism, and decision-making in collaborative environments.

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Glassdoor has 13,132 interview questions and reports from Devops engineer interviews. Prepare for your interview. Get hired. Love your job.