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Updated weekly · Last refresh Sep 13

Top 50 DevOps Interview Questions

The most frequently asked DevOps questions across all roles and companies, ranked by real interview frequency. Updated daily.

50questions
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132companies covered
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1
CodingStart here. 15 questions · ~187 min
Compress Consecutive CharactersEasy
Practice

Traverse a string once and compress consecutive repeated characters into character-count groups.

Basic AlgorithmsArraysStringsAutodeskBasis Technologies
Fix Issues Across Security, Performance, ObservabilityHard
Practice
Recently asked

Identify and fix five bugs in a Python codebase, balancing security, performance, and observability under time pressure.

code analysisDevOpsalertsSpeechify
AWK Substring PrintingEasy
Practice

Extract the first, third, and fifth whitespace-delimited fields, matching the required AWK output.

bashDevOpsAlgorithmsApple
Log Parsing in PythonMedium
Practice

Parse structured logs and summarize error counts and first error timestamps by service.

DevOpsAlgorithmscsv parsingMicrosoft
Deployment Order From DependenciesHard
Practice
Recently asked

Use topological sorting to order services so every dependency deploys before the service that requires it.

Problem SolvingDevOpscycle detectionAutodesk
Filter Kubernetes Services by AttributesHard
Practice
Recently asked

Filter Kubernetes services by attributes and status while validating transitive dependencies with DFS and memoization.

kubernetesContainersDevOpsApple
Certificate Rotation AutomationHard
Practice

Process expiring certificates deterministically, validate replacements against cloud policies, and return rotation or blocking actions.

DevOpsAutomationSecurityJPMorganChase
Parse Nginx Logs for Top 5xx IPsMedium
Practice

Stream Nginx lines, count 5xx responses by IP, and return the top 10 using a hash map and deterministic sorting.

Hash TablesaggregationStringsLyft
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2
Execution10 questions · ~125 min
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3
Pipelines5 questions · ~62 min
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4
Behavioral & Leadership12 questions · ~150 min
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5
Technical Fundamentals4 questions · ~50 min
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6
Security & Infrastructure4 questions · ~50 min
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