Lawrence Livermore National Laboratory (LLNL) Critical Infrastructure Analysis Graduate Intern - Cyber and Critical Infrastructure
Livermore, CA·29 interview reviews·Medium difficulty
Critical Infrastructure Analysis Graduate Intern - Cyber and Critical Infrastructure Interview Reviews
29Online 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.
“Binary Tree Vertical Order Traversal - Return vertical order traversal of nodes”
Had a recruiter screen first, then a technical round focused on system design and coding. The interviewer was very professional and walked through the problem step by step. Good overall experience.
“Clone Graph - Create a deep copy of an undirected graph”
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.
“Describe a time when you had to learn something quickly to complete a project”
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.
“Design Web Crawler - Design a distributed web crawling system”
About This Role
Frequently Asked Questions
How hard is it to get hired as a Critical Infrastructure Analysis Graduate Intern - Cyber and Critical Infrastructure at Lawrence Livermore National Laboratory (LLNL)?
The interview difficulty is rated 3.2/5 by candidates. 78% report a positive experience. Focus on Distributed Systems, Networking, System Design to improve your chances.
How long does the Lawrence Livermore National Laboratory (LLNL) Critical Infrastructure Analysis Graduate Intern - Cyber and Critical Infrastructure 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. 57% of candidates applied online.
What questions are asked in a Lawrence Livermore National Laboratory (LLNL) Critical Infrastructure Analysis Graduate Intern - Cyber and Critical Infrastructure 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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