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​​Engineering Intern - Modeling & Simulation Applications​

Leidos
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Huntsville, AL, USA
May 06, 2026

Looking for an opportunity to make an impact?  

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. 

 

Your greatest work is ahead!  

Leidos’ Defense Systems, Sensor Systems Analysis & Engineering Portfolio, is seeking a talented engineering intern for modeling & simulation applications with the ability to potentially work multiple projects within the Sensor Systems Analysis and Engineering Portfolio.  

 

You will join a diverse team of junior-to-senior software developers, engineers, and scientists to help create unique solutions for complex problems. Our team solves important problems that make a difference and support our customers in the current and future defense of our nation; primarily in the areas of modeling & simulation, sensor integration, testing, characterization, data analysis, and algorithm development for electro-optical infrared (EO/IR) systems. The ideal candidate will demonstrate exceptional academic performance and enthusiasm toward developing a broad technical capability to support overlapping engineering/scientific/developer disciplines with a particular focus on solving problems. Candidate will be expected to productively contribute to a team environment while communicating effectively to management, technical leads, and coworkers. 

 

Joining our team offers the opportunity to work with experts in their field and grow your career in an area that is appealing to you. You will quickly become an integral member of our team and be given the opportunity to take responsibility for challenging problems of your own. Because of this, we seek team members that are driven and engaged in their work while simultaneously demonstrating high character, given that you will often be working on sensitive and unique problems which require a high degree of trust from our customers.  

 

If this sounds like the kind of environment where you can thrive, keep reading!  

 

Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here! 

 

Are you ready to make an impact? Share your resume with us today! 

 

 

​​Primary Responsibilities. ​

  • Candidate can expect to work closely with a team of engineers and scientists to solve problems in a variety of disciplines to include EO/IR sensor systems, primarily for modeling & simulation purposes. 

  • ​Candidate is expected to have a strong academic performance that lends itself towards a technical capability to support overlapping engineering/scientific/developer disciplines.  

  • ​Candidate is also expected to have the ability to work and to communicate effectively within a multidisciplinary team. 

​ 

​Basic Qualifications.   ​

  • ​Candidate must be currently enrolled and a rising junior or senior at the time of the internship in a bachelor’s degree program from an accredited university in mechanical engineering, electrical engineering, engineering physics, physics, software engineering, computer science, or an equivalent engineering or scientific program. 

  • ​Experience solving problems with MATLAB/Python/C or equivalent. 

  • ​Must be a U.S. citizen and able to obtain and maintain a DoW security clearance. 

​ 

​Preferred Qualifications.  ​

  • ​In addition to the qualifications listed above, the ideal candidate should be highly organized, demonstrating the ability to work independently at times due to a fast-paced and highly productive work environment. Because the candidate may fill various project needs, an interest in working multiple programs with intermediate ability in C , C#, and/or Python is a bonus. 

  • ​Preference may be given to candidates with one or more of the following: recent stellar academic performance in physics and/or engineering classes, a SECRET clearance or above; familiarity or interest in EO/IR phenomenology; experience with image processing; experience with GPU programming and/or CUDA programming; experience with developing AI/ML solutions.​ 

  

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting:

December 17, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $48,100.00 - $86,950.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Security Clearance

SECRET
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