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Updated weekly · Last refresh Oct 17

Meta IT DevOps Engineer Interview Questions

The questions to prepare for a Meta IT DevOps Engineer interview. Questions from real interview reports rank first. Updated daily.

33questions
~5htotal time
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1
ExecutionStart here. 17 questions · ~162 min
Write Effective Outage Post-MortemsEasy

Explain your approach to writing outage post-mortems that drive learning, accountability, and follow-through.

Trade-offsSuccess CriteriaRisk AssessmentMeta IT
Recover from Unresponsive SSHMedium

Tests end-to-end recovery steps for SSH outages, including safe remediation and verification.

InfrastructureRollback PlanRisk AssessmentMeta IT
Troubleshoot Unresponsive SSHMedium

Tests hands-on recovery skills for connectivity failures and safe operational troubleshooting.

InfrastructureRollback PlanRisk AssessmentMeta IT
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2
Coding11 questions · ~105 min
Hackerrank-Style Coding ChallengeHard

Evaluates your ability to perform algorithmic problem-solving quickly and correctly.

coding challengeMeta IT
Startup Order from DependenciesHard
Practice

Use Kahn's topological sort to determine a valid server startup order and detect dependency cycles.

topological sortQueueDevOpsMeta IT
Nginx Log Top 404 IPsMedium
Practice

Parse Nginx access logs, count 404 responses by IP, and return the top 10 using hash maps and deterministic sorting.

Hash TablesaggregationStringsMeta IT
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3
Pipelines5 questions · ~48 min
Centralized Logging at Massive ScaleHard

Tests log pipeline design for throughput, storage, indexing, and query performance.

InfrastructureStream ProcessingQualityMeta IT
Zero-Downtime Multi-Region RolloutsHard

Tests multi-region deployment strategies, consistency, and minimizing user impact during rollouts.

InfrastructureOrchestrationDependenciesMeta IT
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The finish line: interview-readyComplete all 33 questions to finish this plan.