Top 50 DevOps Engineer Interview Questions
The 50 most important questions to prepare for DevOps Engineer interviews. Questions from real interview reports rank first. Updated weekly.
Use Kadane's algorithm to find the contiguous subarray with the largest sum in linear time.
Chetu
Argo Group
HsbcUse a hash map to find two array elements that sum to a target in O(n) time.
Esystems
Bungalow
SideFind the first non-repeating character in a string using frequency counting and a second pass in O(n) time.
Cognite
Walgreens Boots Alliance
ForeFlightExplain what Infrastructure as Code is and why it improves pipeline delivery, consistency, and operations.
Wish
7-Eleven
Thomson ReutersPreferred tools and approach for monitoring and managing data pipelines in production.
Evernote
Renaissance Learning
AlgoliaDiscuss preferred configuration management tools for pipeline environments, with focus on drift control, versioning, and automation.
Housecall Pro
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Design a rollback plan for a failed production deployment, including triggers, ownership, validation, and safe recovery steps.
Alcatel-Lucent Motive
Carbon Lighthouse
NationwideExplain how you prioritize across multiple concurrent data engineering projects with competing stakeholder needs and limited capacity.
Cognixia
NBCUniversal
State Street