10 Common DevOps Interview Questions

The Comprehensive List of Questions

Consider the following questions a kind of cheat sheet based on hours of research. The questions may sound a bit generic but, they’re pretty close to what you can expect in the real deal.

Ready to develop some compelling and thoughtful answers that’ll blow your interviewers away?

1. How important is security in your DevOps process? How have you encouraged greater security awareness in the past?

If you’ve been paying attention, you’ll know that security is a big deal in DevOps. Because DevOps automation works at a breakneck pace, it can include some glaring security errors if you’re not careful. As a DevOps engineer, it’s in your job description to work towards securing applications.

2. What technologies do you want to get exposure to in the future, and why? Have you taken any active steps to get involved in these technologies?

What technologies do you want to get exposure to in the future and why? Have you taken any active steps to get involved in these technologies?

Truth be told, if you weren’t expecting a question like this from a DevOps interview, then you’ve kind of lost the plot, my friend. Innovations are a DevOps thing — so are emerging technologies.

That’s why it’s a good idea that you join a technical community (Reddit or GitHub for example) and become a part of open source projects, etc. Keep your finger on the pulse of change, so to say.

3. Tell us something about how you implemented an efficient monitoring solution for a production system

Monitoring requires time and patience — and it’s hard. A strong DevOps candidate should know that. There’s a bunch of stuff you can include in this kind of answer — like how you maintain the fine balance between conforming to SLAs, sleep, and not taking away too much from the release cycle. Start to prepare for this kind of question by Googling SRE monitoring strategies and reading up on the topic.

4. What do you think the most challenging aspect of a DevOps role is?

This is a “me” question if there ever was one. A question like this — one that asks for your opinion — is designed to give you the chance to speak openly about the challenges you have faced and overcome.

Companies are looking for candidates who enjoy meeting challenges head-on, with a positive attitude. Plus, you can talk about a business-related challenge or a technical hurdle.

5. How would you describe continuous integration and how would you implement it?

Right, this is a pretty straightforward question. Try and tackle it in two parts — explain what practice of continuous integration includes and then move on to what your process of deployment is concerning the software in question.

6. How would you define DevOps?

A question like this is too open-ended to have any one right answer. It’s designed to reveal your mindset about the DevOps culture. The answer to this question really depends on your take on DevOps — is it about collaboration, automation, or speed?

But, be sure to include some of the latest trends you’re looking forward to in DevOps from your perspective, whether it’s microservices or anything else. Also (here’s a hint) DevOps is about collaboration to a large extent — but its main goal is streamlining the developmental cycle, so DevOps is mostly about time.

7. What does “infrastructure as code” mean to you, and how does the idea of IaC fit into the DevOps culture?

Do you recall when we discussed IaC and said it allows an engineer to test the infrastructure the same way you’d test code? IaC is key to improving the overall automation strategy for many companies — the bridge that allows the management of infrastructure with minimal human intervention. Also, depending on the job description and organization, you may want to beef up your answer to include infrastructure automation tools and container technology.

#8. How do you judge success, in the context of yourself and the DevOps team as a whole?

The DevOps culture is about overall improvement. Everyone on the team is working to make the production and deployment process secure, efficient, and of course, automated.

That means, there’s no such thing as being done — there’s always something you can improve on. As a DevOps engineer, your job is to push yourself and your team to consistently do better. And, that’s exactly why you need assessable or measurable goals to gauge success. Otherwise, you would have no idea how to measure your success.

9. Why do we need DevOps?

This one is simple — companies are faced with an ever-increasing demand from users to deliver better and faster applications. And, DevOps with its emphasis on automation and collaboration can help businesses meet that demand cost-effectively and swiftly.

10. What is a DevOps engineer’s duty concerning Agile development?

DevOps engineers need to work in close collaboration with Agile development teams to encourage the kind of environment necessary to support practices like continuous integration, continuous delivery, and automated testing. A DevOps engineer must work with developers to make the overall DevOps machinery function seamlessly.

Founder @ NxtLevel.io | Blogger | Sourcing Ninja | Recruiter | Ex-@Facebook, Ex-@Zillow | Consultant | Entrepreneur | Startup Junky

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