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LeidosLE

Software Engineer Intern

Leidos is an American defense, aviation, information technology, and biomedical research company that provides scientific, engineering, systems integration, and technical services to government and commercial customers.

Leidos

Employee count: 5000+

Salary: 55k-100k USD

United States only

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Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.

Leidos has an exciting opening. We are seeking a skilled Software Engineer Intern pursuing a Master’s Degree in Computer Science or similar discipline. You will develop high-quality applications using a state-of-the-art technology stack in support of an emerging NMEC program. The DOMEX Technology Platform (DTP) program is a next generation platform utilizing AI to provide cutting edge data enrichment, triage, and analytics capabilities to Defense and Intelligence Community partners. Initially, work will be conducted remotely. Following graduation and approval to work at our client location, contingent on obtaining and maintaining a TS/SCI clearance, the primary place of performance will on-site in Bethesda, MD.

Primary Responsibilities:

You will work closely with end users, analysts, software and data engineers, and data scientists on the following key tasks:

  • Develop and maintain web applications using Javascript and/or Python.

  • Coding, testing, and debugging new and/or existing applications.

  • Conducting thorough unit testing via automated tooling.

  • Collaborating with other team members (internal and external) to ensure optimal performance and usability.

  • Peer reviewing code written by fellow team members.

  • Utilizing virtualization technologies like Docker and Podman.

Basic Qualifications:

  • Pursuing a Master’s Degree in Computer Science, Information Systems, Engineering, Business, or a scientific or technical discipline.

  • Proficiency in a least one programming language.

  • Understanding of data structures such as arrays and algorithms such as those used in sorting.

  • Basic debugging and testing skills.

  • Excellent verbal and written communication skills and the ability to write well-documented code.

  • US Citizenship Required.

  • Ability to obtain and maintain a TS/SCI with CI Polygraph clearance.

Preferred Qualifications:

  • A genuine passion for coding.

  • Experience with writing unit tests.

  • Experience with writing services in Python.

  • Familiarity with NoSQL datastores such as Elasticsearch.

  • Familiarity with SQL databases.

  • Familiarity with performance optimization techniques.

  • Up to date with emerging technologies.

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting:

October 16, 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 $55,250.00 - $99,875.00

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.

About the job

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Posted on

Job type

Full Time

Experience level

Entry-level

Salary

Salary: 55k-100k USD

Location requirements

Hiring timezones

United States +/- 0 hours

About Leidos

Learn more about Leidos and their company culture.

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Leidos' story begins in 1969 when Dr. J. Robert Beyster, a visionary scientist, founded Science Applications Incorporated (SAI) in La Jolla, San Diego, California. With a modest investment and a powerful idea, Dr. Beyster embarked on a journey to apply scientific expertise to solve complex problems. The company's early days were marked by a focus on research and engineering, tackling challenges for various government and commercial clients. One of its initial significant projects involved studying radiation-based cancer therapy for the Los Alamos National Laboratory, which laid the groundwork for Leidos' future health business. SAI soon expanded its reach, opening an office in Albuquerque to support the Air Force Weapons Laboratory's work on electromagnetic phenomena, a precursor to the company's Physical Science Group.

Throughout the 1980s, the company, then known as Science Applications International Corporation (SAIC), strategically shifted its focus towards national security and defense, solidifying its position as a key government services provider. This era set the stage for substantial growth and diversification. The 1990s saw SAIC continue to expand its offerings and international presence, securing its first major global contract with the Kuwaiti Defense Forces. A pivotal moment arrived in 2013 when SAIC underwent a significant transformation, splitting into two independent, publicly traded companies: a new company retaining the SAIC name and the original company, which was rebranded as Leidos (a name derived from 'kaleidoscope'). Leidos, as the legal successor to the original SAIC, inherited its pre-2013 stock price and corporate filing history and established its new headquarters in Reston, Virginia. This strategic move allowed Leidos to sharpen its focus on national security, health, and engineering solutions. Another major milestone occurred in August 2016 when Leidos merged with Lockheed Martin's Information Systems & Global Solutions (IS&GS) business, a landmark transaction that created the defense industry's largest IT services provider and significantly expanded Leidos' capabilities and market share. Today, Leidos stands as a Fortune 500® global science and technology leader, employing approximately 47,000 people worldwide and generating billions in annual revenue, committed to making the world safer, healthier, and more efficient through innovation and technology.

Employee benefits

Learn about the employee benefits and perks provided at Leidos.

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Paid sick days

Leidos offers paid sick days.

Health Insurance

Leidos offers health insurance.

Dental Insurance

Leidos offers dental insurance.

Vision Insurance

Leidos offers vision insurance.

View Leidos's employee benefits
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Leidos

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