Top 16
Prep plan
Updated weekly · Last refresh Aug 30

CACI AI Engineer Interview Questions

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

16questions
~2htotal time
Track your progressSign up free to work through all 16 questions and resume where you left off.
Start practicing free →
1
System DesignStart here. 5 questions · ~40 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
Optimize for Low-Latency PerformanceHard

Tests your ability to meet latency targets through systems and modeling optimizations.

model performanceoptimizationCACI
More System Design questions with a free account
2
Machine Learning3 questions · ~24 min
Ensure Data Quality for MissionsMedium

Tests your approach to data validation, cleaning, and risk management for high-stakes model training.

Data Qualitymodel trainingCACI
Choose Architectures for LatencyMedium

Tests your tradeoff reasoning across accuracy, latency, cost, and deployment constraints.

latencymodel architectureperformanceCACI
More Machine Learning questions with a free account
3
Behavioral & Leadership4 questions · ~32 min
More Behavioral & Leadership questions with a free account
4
More topics4 questions · ~32 min
Evaluate an LLM SystemMedium

Explain how to evaluate a generative model using offline and online methods, with attention to hallucination, product metrics, and experiment design.

HallucinationPrompt EngineeringLLM EvaluationCACI
Interpretability and Fairness StrategyHard

Tests your methods for explainability, bias mitigation, and validation in safety-critical or regulated contexts.

fairnessCACI
Embeddings and Vector SearchMedium

Tests your practical knowledge of embeddings, indexing, retrieval, and ranking for recommendation use cases.

Vector SearchCACI
Design a RAG PipelineHard

Tests your ability to design end-to-end retrieval and generation systems with quality and reliability controls.

pipeline designRAGCACI

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
The finish line: interview-readyComplete all 16 questions to finish this plan.