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HRL Laboratories LLM & Agentic AI Research Intern �

Calabasas, CA·28 interview reviews·Medium difficulty

71% positive54% applied onlinePosted today
Difficulty
2.9/ 5
Experience
Positive71%
Neutral20%
Negative9%
Interview Source
Applied online54%
Recruiter27%
Referral11%
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LLM & Agentic AI Research Intern � Interview Reviews

28
N
LLM & Agentic AI Research Intern � Candidate
Oct 20, 2026 · New York, NY
✓ OfferPositiveAverage

Straightforward — just 2 medium leetcode-tagged problems in 45 minutes. Very fast paced though so be aware of time. A few follow-up questions for the interviewer at the end. No behavioral questions.

Interview QuestionMedium

LRU Cache - Design a data structure for Least Recently Used cache

Design
N
LLM & Agentic AI Research Intern � Candidate
Feb 23, 2026 · New York, NY
✓ OfferPositiveEasy

CodeSignal online assessment, then one 45-minute interview. Interviewer was friendly and helpful. 2 leetcode questions then 5 minutes for any questions I had. Got my results in a few days.

Interview QuestionMedium

Design TinyURL - Design a URL shortening service like bit.ly

System Design
A
LLM & Agentic AI Research Intern � Candidate
Oct 9, 2026 · Austin, TX
✓ OfferNeutralDifficult

Applied online and heard back in about a week. The technical interview was 45 minutes with two coding problems. Focus on time complexity and edge cases. The behavioral portion was brief but important.

Interview QuestionMedium

Describe a time when you had to learn something quickly to complete a project

Learning & GrowthBehavioral
N
LLM & Agentic AI Research Intern � Candidate
Jan 7, 2026 · New York, NY
✓ OfferPositiveDifficult

The process was pretty straightforward. It started with an online assessment, followed by a phone screen, and concluded with a final interview round that had two LeetCode medium difficulty problems.

Interview QuestionMedium

Rotate Image - Rotate an N x N matrix by 90 degrees clockwise in-place

Arrays
S
LLM & Agentic AI Research Intern � Candidate
Feb 7, 2025 · Seattle, WA
✓ OfferNeutralAverage

Online assessment was difficult, but the final round technical was just 2 leetcode questions. Studying tagged questions and general leetcode helps a lot. Interviewer was friendly and wanted me to succeed.

Interview Question

LeetCode question, difficulty was around a medium

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About This Role

Focus Areas
Machine LearningPythonStatistics
Key Skills
Machine LearningPythonStatisticsAlgorithms
Details
CompanyHRL Laboratories
LocationCalabasas, CA
Postedtoday
TierEnterprise

Frequently Asked Questions

How hard is it to get hired as a LLM & Agentic AI Research Intern � at HRL Laboratories?

The interview difficulty is rated 2.9/5 by candidates. 71% report a positive experience. Focus on Machine Learning, Python, Statistics to improve your chances.

How long does the HRL Laboratories LLM & Agentic AI Research Intern � hiring process take?

The process typically takes 2–6 weeks from application to final decision, depending on the hiring cycle and team availability.

What is the interview process like?

Most candidates go through a recruiter screen, followed by technical coding rounds, and a final interview loop. 54% of candidates applied online.

What questions are asked in a HRL Laboratories LLM & Agentic AI Research Intern � interview?

Common topics include data structures & algorithms (arrays, trees, graphs), system design, and behavioral questions using the STAR method. Practice with our AI mock interviewer to prepare.

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