Dataford
Dataford
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Updated weekly · Last refresh Oct 17

Aon Data Engineer Interview Questions

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

7questions
~1htotal time
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1
PipelinesStart here. 3 questions · ~24 min
Designing a Data PipelineHard

Explain a data pipeline you built, including its architecture, transformations, orchestration, quality controls, and operational tradeoffs.

Data Qualitydata pipelineexperienceAon
Batch vs Streaming Data ProcessingEasy

Compare batch and streaming data processing, including when each fits best in a pipeline.

Stream ProcessingETLBatch ProcessingAon
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityAon

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2
Behavioral & Leadership4 questions · ~32 min
Learning From Missing DeadlinesEasy

Tests accountability, prioritization, stakeholder communication, and learning after missing a commitment.

behavior under pressurefailurelearningAon
Explaining Technical Issues ClearlyMedium

Tests audience-aware communication, ownership, and the ability to make complex technical risks actionable.

audience analysisStakeholder ManagementCommunicationAon
Prioritizing Across Competing ProjectsMedium

Tests prioritization under pressure across multiple projects, including time management, stakeholder communication, and ownership of trade-offs.

time managementmultitaskingPrioritizationAon
Greatest Achievement Outside WorkMedium

Assesses your ability to reflect on meaningful accomplishments and communicate impact clearly.

Aon
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