Top 19
Prep plan
Updated weekly · Last refresh Oct 7

CACI International AI Engineer Interview Questions

The questions to prepare for a CACI International AI Engineer interview. Questions from real interview reports rank first. Updated daily.

19questions
~3htotal time
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1
System DesignStart here. 4 questions · ~32 min
Design an LLM Serving PlatformHard

Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.

Cold StartFeature StoreModel ServingCACI International
Vector vs Relational DatabasesMedium

Evaluates your ability to choose the right database technology for AI retrieval and storage needs.

CACI International
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2
Generative AI & LLMs4 questions · ~32 min
Orchestrating Multi-Agent SystemsHard

Assesses your ability to coordinate agent workflows for correctness, efficiency, and robustness.

multi-agent systemsOrchestrationCACI International
LLM Evaluation Framework TradeoffsMedium

Evaluates your judgment in choosing evaluation tooling that matches accuracy, cost, and coverage needs.

Trade-offsLLM EvaluationFrameworksCACI International
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3
Behavioral & Leadership6 questions · ~48 min
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4
More topics5 questions · ~40 min
Data Quality in RAG PipelinesMedium

Assesses how you prevent retrieval errors by validating and cleaning data used for generation.

Data QualityCACI International
Supervised Fine-Tuning vs RLHFMedium

Evaluates your ability to choose and justify training approaches for domain performance and alignment.

CACI International
Embedding Implementation ConsiderationsMedium

Tests your understanding of embedding design choices and their impact on downstream retrieval and generation.

implementationCACI International
Mitigating Hallucinations in Generative ModelsMedium

Tests your practical methods for reducing unsupported outputs in production AI systems.

mitigationCACI International
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The finish line: interview-readyComplete all 19 questions to finish this plan.