Top 42
Prep plan
Updated weekly · Last refresh Oct 17

Meta DevOps Engineer Interview Questions

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

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1
CodingStart here. 15 questions · ~211 min
Battleship Probe ChallengeMedium
Practice

Use cached grid probes to locate a horizontal or vertical three-cell ship in a square grid.

ArraysapiAlgorithmsMeta
2D Ship Finder with Probe APIMedium
Practice

Scan a probe grid to locate the first horizontal or vertical three-cell ship in O(rows × columns) time.

ArraysapiAlgorithmsMeta
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2
System Design4 questions · ~56 min
Webserver Heavy LoadHard

Explain how to scale a heavily loaded webserver, troubleshoot 400/500 errors, and synchronize data across servers.

latencydistributed systemsfailure modesMeta
Website Search ExperienceHard

Explain the DNS, TCP, HTTP(S), and server path when a user searches for www.cheetos.com.

latencydistributed systemsdata transmissionMeta
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3
Pipelines3 questions · ~42 min
Deploy Meta Metrics Pipeline SafelyMedium

Design a safe deployment pipeline for Meta-scale batch and streaming data jobs with canary rollout, rollback, idempotent replay, and schema controls.

InfrastructureOrchestrationMeta
Design Production Observability PipelineHard

Design a large-scale observability pipeline that ingests 15M telemetry events/sec and powers alerting in under 30 seconds.

InfrastructureOrchestrationQualityMeta
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4
Security & Infrastructure10 questions · ~141 min
Debug Meta Web Tier 500sMedium

Explain a structured incident-response process to isolate HTTP 500s in Meta’s web tier across LB, app, OS, and security layers.

InfrastructureQualityMeta
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5
Behavioral & Leadership8 questions · ~113 min
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6
More topics2 questions · ~28 min
OOM Killer MechanismsHard

Tests deep understanding of Linux memory management and failure modes.

memory managementlinuxMeta
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