HRL Laboratories Interview Questions

The questions to prepare for HRL Laboratories interviews, across all roles. Questions from real interview reports rank first. Updated daily.

50questions

~7htotal time

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Technical FundamentalsStart here. 7 questions · ~57 min

Tests practical concurrency knowledge and choosing appropriate tools for performance-critical code.

Software Under Hardware ConstraintsMedium

Tests ability to design software that respects real hardware limits and performance requirements.

solution designtechnical experience

HRL Laboratories

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Coding4 questions · ~32 min

Technologies and Frameworks Worked WithEasy

Tests your practical experience with relevant tools and your ability to connect them to outcomes.

ArraysStrings

HRL Laboratories

Turning Ideas Into CodeMedium

Assesses your ability to translate requirements into implementable, testable software.

Codingimplementation

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Behavioral & Leadership34 questions · ~275 min

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More topics5 questions · ~40 min

Clearly explain your current engineering position, responsibilities, stakeholders, and execution impact.

Design a Dimmable Lamp CircuitMedium

Assesses your practical approach to designing controllable power delivery and validating expected behavior.

circuit design

HRL Laboratories

Diagnosing a Device from a Circuit DiagramMedium

Tests your diagnostic reasoning using circuit-level information.

Troubleshooting

HRL Laboratories

Relocation WillingnessEasy

Tests logistical fit for the role location requirements.

Risk AssessmentScope Management

HRL Laboratories

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