Leidos Systems Engineer Intern
Arlington, VA·41 interview reviews·Easy difficulty
Systems Engineer Intern Interview Reviews
41Straightforward — 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.
“Valid Parentheses - Determine if the input string has valid bracket pairs”
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.
“K Closest Points to Origin - Find K points closest to origin using Manhattan distance”
Just one round with 2 LC hards in 45 min. It wasn't too bad at all — if you've done a lot of LC you're gonna be fine. Make sure to check off your approach with the interviewer before you begin implementing.
“Tell me about a time you disagreed with a decision and how you handled it”
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.
“Merge Intervals - Merge all overlapping intervals”
About This Role
Frequently Asked Questions
How hard is it to get hired as a Systems Engineer Intern at Leidos?
The interview difficulty is rated 2.2/5 by candidates. 79% report a positive experience. Focus on Data Structures, Algorithms, System Design to improve your chances.
How long does the Leidos Systems Engineer 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. 52% of candidates applied online.
What questions are asked in a Leidos Systems Engineer 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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