DevOps Engineer Interview Preparation
DevOps and Site Reliability Engineering interview prep covering infrastructure, automation, and monitoring.
Key Skills & Technologies
Infrastructure as Code
CI/CD
Containerization
Monitoring
Cloud Platforms
Automation
Interview Focus Areas
Infrastructure as Code (Terraform, CloudFormation)
CI/CD pipeline design and implementation
Containerization and orchestration (Docker, Kubernetes)
Monitoring and observability
Cloud platform expertise (AWS, GCP, Azure)
Automation and scripting
Top DevOps Engineer Coding Questions
Practice these 20 most relevant coding problems for devops engineer interviews.
#1
Recommended
#3594MediumFrequency: 100%
Identify the Largest Outlier in an Array
Hash TableArrayCountingEnumeration
#2
Recommended
#3655MediumFrequency: 100%
Digit Operations to Make Two Integers Equal
GraphMathHeap (Priority Queue)Number TheoryShortest Path
#3
Recommended
#4
Recommended
#3613MediumFrequency: 100%
Maximize Amount After Two Days of Conversions
GraphArrayStringDepth-First SearchBreadth-First Search
#5
Recommended
#716HardFrequency: 100%
Max Stack
DesignLinked ListStackDoubly-Linked ListOrdered Set
#6
Recommended
#7
Recommended
#694MediumFrequency: 98%
Number of Distinct Islands
Hash TableDepth-First SearchBreadth-First SearchUnion FindHash Function
#8
Recommended
#314MediumFrequency: 97%
Binary Tree Vertical Order Traversal
Hash TableTreeDepth-First SearchBreadth-First SearchSortingBinary Tree
#9
Recommended
#10
Recommended
#11
Recommended
#1790MediumFrequency: 91%
Lowest Common Ancestor of a Binary Tree III
Hash TableTwo PointersTreeBinary Tree
#12
Recommended
#1423MediumFrequency: 91%
Maximum Number of Occurrences of a Substring
Hash TableStringSliding Window
#13
Recommended
#14
Recommended
#621MediumFrequency: 85%
Task Scheduler
Hash TableArrayGreedySortingHeap (Priority Queue)Counting
#15
Recommended
#3MediumFrequency: 84%
Longest Substring Without Repeating Characters
Hash TableStringSliding Window
#16
Recommended
#387EasyFrequency: 83%
First Unique Character in a String
Hash TableStringQueueCounting
#17
Recommended
#1330MediumFrequency: 83%
Longest Arithmetic Subsequence of Given Difference
Hash TableArrayDynamic Programming
#18
Recommended
#19
Recommended
#424MediumFrequency: 82%
Longest Repeating Character Replacement
Hash TableStringSliding Window
#20
Recommended
All Interview Questions
Browse questions by company and difficulty level
Topics & Algorithms
Practice by specific algorithm and data structure topics
Get Interview Copilot
AI-powered real-time assistance during your interviews
Excel in DevOps Engineer Interviews
Get specialized AI assistance for devops engineer interviews with role-specific guidance.
Get Started FreeNo credit card required