Senior Devops Engineer Interview Questions

1,975 senior devops engineer interview questions shared by candidates

Q. What do you know about AND? Q. Describe your past experience? Q. How would you handle client expecations? Q. What is ELB and types of ELB? Q. What is Kubernetes? Q. Few of Docker commands? Q. AWS general questions on VPC, subnet etc.
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Senior DevOps Engineer

Interviewed at AND Digital

2.8
May 4, 2021

Q. What do you know about AND? Q. Describe your past experience? Q. How would you handle client expecations? Q. What is ELB and types of ELB? Q. What is Kubernetes? Q. Few of Docker commands? Q. AWS general questions on VPC, subnet etc.

General DevOps Concepts Explain DevOps and its benefits in modern software development. How do you define and measure the success of a DevOps strategy? What are the key components of a CI/CD pipeline, and why are they important? Linux and System Administration What are some common Linux troubleshooting commands you use? How would you analyze and resolve high CPU or memory usage on a Linux server? Explain the purpose of top, iotop, and strace. How do you manage security on a Linux system (e.g., firewalls, SELinux, user permissions)? Cloud Platforms and Tools How do you decide which cloud service (AWS, Azure, GCP) to use for a project? Describe a time when you migrated a workload to the cloud. What challenges did you face? Explain the differences between scaling vertically and horizontally in a cloud environment. Configuration Management and Automation Compare tools like Ansible, Chef, and Puppet. Which would you choose for a specific scenario and why? How do you handle secrets and sensitive information in configuration management? What are some best practices for writing reusable and maintainable infrastructure as code (IaC)? CI/CD Pipelines Describe the CI/CD process you have implemented in the past. What tools did you use? How would you handle a situation where a CI/CD pipeline fails frequently? What strategies do you use to roll back deployments safely? Containers and Orchestration How do Docker and Kubernetes work together? Explain the difference between a ReplicaSet and a StatefulSet in Kubernetes. How would you troubleshoot a failing pod in Kubernetes? Monitoring and Logging What tools do you use for monitoring system performance and application logs? How do you handle alert fatigue in a monitoring setup? What is the importance of distributed tracing in a microservices architecture? Networking Explain how DNS works and its role in a DevOps environment. How would you troubleshoot latency issues in a microservices-based application? What is the significance of load balancers, and how do you configure them for high availability? Security What are the best practices for securing CI/CD pipelines? How do you manage identity and access in a multi-cloud environment? What tools and techniques do you use for vulnerability scanning and patch management? Scenarios and Problem-Solving You’re tasked with migrating a legacy monolith application to a microservices architecture. How would you approach this? An application has frequent downtime due to deployments. How would you ensure zero downtime? How would you design a disaster recovery strategy for a business-critical application? Behavioral Questions Describe a challenging project where you had to collaborate with multiple teams. What was your approach? How do you stay updated with the latest DevOps tools and trends? Tell us about a time when you implemented a significant process improvement. What impact did it have?
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Senior DevOps Engineer

Interviewed at HOOPP

3.4
Nov 27, 2024

General DevOps Concepts Explain DevOps and its benefits in modern software development. How do you define and measure the success of a DevOps strategy? What are the key components of a CI/CD pipeline, and why are they important? Linux and System Administration What are some common Linux troubleshooting commands you use? How would you analyze and resolve high CPU or memory usage on a Linux server? Explain the purpose of top, iotop, and strace. How do you manage security on a Linux system (e.g., firewalls, SELinux, user permissions)? Cloud Platforms and Tools How do you decide which cloud service (AWS, Azure, GCP) to use for a project? Describe a time when you migrated a workload to the cloud. What challenges did you face? Explain the differences between scaling vertically and horizontally in a cloud environment. Configuration Management and Automation Compare tools like Ansible, Chef, and Puppet. Which would you choose for a specific scenario and why? How do you handle secrets and sensitive information in configuration management? What are some best practices for writing reusable and maintainable infrastructure as code (IaC)? CI/CD Pipelines Describe the CI/CD process you have implemented in the past. What tools did you use? How would you handle a situation where a CI/CD pipeline fails frequently? What strategies do you use to roll back deployments safely? Containers and Orchestration How do Docker and Kubernetes work together? Explain the difference between a ReplicaSet and a StatefulSet in Kubernetes. How would you troubleshoot a failing pod in Kubernetes? Monitoring and Logging What tools do you use for monitoring system performance and application logs? How do you handle alert fatigue in a monitoring setup? What is the importance of distributed tracing in a microservices architecture? Networking Explain how DNS works and its role in a DevOps environment. How would you troubleshoot latency issues in a microservices-based application? What is the significance of load balancers, and how do you configure them for high availability? Security What are the best practices for securing CI/CD pipelines? How do you manage identity and access in a multi-cloud environment? What tools and techniques do you use for vulnerability scanning and patch management? Scenarios and Problem-Solving You’re tasked with migrating a legacy monolith application to a microservices architecture. How would you approach this? An application has frequent downtime due to deployments. How would you ensure zero downtime? How would you design a disaster recovery strategy for a business-critical application? Behavioral Questions Describe a challenging project where you had to collaborate with multiple teams. What was your approach? How do you stay updated with the latest DevOps tools and trends? Tell us about a time when you implemented a significant process improvement. What impact did it have?

In the first interview: talk about your experience in AWS, tools that you've used, etc. They also asked me 5 tech questions related to UNIX and asked me to explain which was the result of a BASH script they had, which had a tricky behaviour.
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Senior Systems Engineer (DevOps)

Interviewed at Stuart

3
Jan 15, 2021

In the first interview: talk about your experience in AWS, tools that you've used, etc. They also asked me 5 tech questions related to UNIX and asked me to explain which was the result of a BASH script they had, which had a tricky behaviour.

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