Top 20 Interview Questions & Answers for AWS DevOps – 2025

As DevOps continues to gain momentum in the tech industry, more and more companies are looking for skilled professionals who can manage and optimize their AWS environments. If you’re applying for a role as an AWS DevOps engineer, expect to be asked a variety of questions that assess your technical knowledge, decision-making abilities, and cultural fit. Refer to this guide for the top 20 questions and answers that will help you ace your AWS DevOps interview.

General Questions

• 1. Tell me about your experience working with AWS and DevOps.
  I have been working with AWS for the past 5 years, helping companies migrate their infrastructure to the cloud and manage their DevOps processes. I have experience with a variety of AWS services such as EC2, S3, RDS, and Lambda, and am well-versed in DevOps methodologies and tools.
• 2. How do you handle unexpected issues in your projects?
  I believe in proactive communication and addressing issues as soon as they arise. I have experience troubleshooting various AWS and DevOps issues, and I work closely with my team to find solutions and keep projects on track.
• 3. How do you maintain alignment between development and operations teams?
  I understand the importance of a cohesive and collaborative relationship between development and operations teams. I ensure that both teams are in constant communication, aligning their goals and priorities to achieve a successful project outcome.
• 4. How do you stay updated on the latest AWS and DevOps trends?
  I make sure to regularly attend conferences, workshops, and webinars to stay updated on the latest AWS and DevOps practices. I also keep an eye on industry blogs, forums, and social media groups for any new developments or updates.
• 5. Can you explain a time when you improved an existing AWS infrastructure?
  In my previous role, I noticed that our AWS infrastructure was not optimized for cost efficiency. I conducted a thorough analysis and implemented changes, such as rightsizing instances and using reserved instances, which resulted in a significant reduction in costs for the company.

Behavioral Questions

• 6. Tell me about a challenging project you worked on and how you overcame any obstacles.
  In one project, we had to migrate a large-scale application to AWS while dealing with tight deadlines. I organized daily stand-up meetings with the team to ensure everyone was on the same page and identified and resolved any blockers. This allowed us to successfully complete the migration within the given timeframe.
• 7. How have you handled conflicts within your team in the past?
  In one instance, two team members had a disagreement over the best approach for an AWS deployment. I mediated the conversation and encouraged open communication, allowing them to compromise and reach a solution that worked for both parties.
• 8. Can you tell me about a time when you had to prioritize tasks in a high-pressure environment?
  While working on a project with a tight deadline, a critical issue came up that needed immediate attention. I assessed the situation, prioritized my tasks, and delegated some responsibilities to my team members, allowing us to complete the project on time.
• 9. How do you handle difficult stakeholders or clients?
  I believe in effective communication and customer service skills to handle any difficult stakeholders or clients. I listen to their concerns, address them professionally, and find a mutually beneficial solution.
• 10. How do you stay organized and manage your time effectively in a fast-paced environment?
  I believe in the power of prioritization and time management techniques to stay organized and productive. I use tools such as Trello and Google Calendar to keep track of my tasks and deadlines and regularly reassess my workload to ensure I am meeting my goals.

Technical Questions

• 11. What is the difference between vertical and horizontal scaling in AWS?
  Vertical scaling involves adding resources to an existing instance, such as increasing storage or CPU, while horizontal scaling involves adding more instances to distribute the workload. Horizontal scaling is often preferred for its scalability and cost-effectiveness.
• 12. How do you handle security in AWS?
  In AWS, security is managed through Identity and Access Management (IAM). I ensure that only authorized users have access to resources by setting up strict permission policies and regularly monitoring and updating user credentials.
• 13. Can you explain the difference between CodeDeploy and Elastic Beanstalk?
  CodeDeploy is a deployment service that automates code deployments across multiple instances, while Elastic Beanstalk is a platform that manages the deployment, scaling, and monitoring of web applications.
• 14. How do you monitor the performance of an AWS environment?
  I use a combination of AWS CloudWatch and third-party tools such as New Relic or Datadog to monitor the performance of an AWS environment. This allows me to track metrics such as CPU usage, network traffic, and application performance.
• 15. Can you explain the different types of storage options available in AWS?
  There are several storage options in AWS, including Elastic Block Store (EBS) for persistent block-level storage, Simple Storage Service (S3) for object storage, Glacier for long-term data archival, and Elastic File System (EFS) for scalable and shared file storage.

Cultural Fit Questions

• 16. Why do you think company culture is important in an organization?
  Company culture sets the tone for how employees interact with one another and with clients. It also impacts job satisfaction and employee retention. A positive and inclusive culture promotes teamwork and drives better performance.
• 17. How do you handle conflicts with team members who have different opinions or working styles?
  I believe in respecting diversity and open communication to navigate conflicts in a team. I make an effort to understand different perspectives and find a compromise that works for everyone.
• 18. How do you handle work-life balance in a high-pressure work environment?
  I prioritize tasks and delegate responsibilities to ensure a healthy work-life balance. I believe in the importance of self-care and take time for hobbies and activities outside of work.
• 19. How do you show continuous learning and personal growth?
  I am always seeking opportunities to learn and improve my skills, whether through certifications, courses, or self-directed learning. I also apply newly gained knowledge to my work and share it with my team.
• 20. How do you handle failure or setbacks on a project?
  I see failure as an opportunity to learn and improve. I take ownership of any mistakes, analyze what went wrong, and use that knowledge to make necessary changes and prevent similar issues in the future.