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Leidos
·
March 31, 2026
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Software Engineer Intern

Arlington, VA
Internship
Hybrid
$58K/yr - $105K/yr
Intern
Leidos is an industry and technology leader serving government and commercial customers, and they are seeking a Software Engineer Intern to join their mission-focused engineering team. In this role, you will build and enhance software prototypes, APIs, and microservices while collaborating with industry leaders in AI, data analytics, and machine learning.

Responsibilities

  • Build and enhance software prototypes, APIs, and microservices that support data analytics, machine learning, and user-facing applications
  • Contribute across the stack: user interfaces and back-end services
  • Write clean, maintainable code with tests; troubleshoot and fix issues
  • Participate in design sessions, code reviews, and agile ceremonies
  • Research and evaluate new technologies; present findings and recommendations
  • Collaborate with software/system engineers and research/data scientists in areas like multi-modal information retrieval, UI engineering, metrics, computer vision, and autonomous systems

Qualification

Required

  • Currently enrolled in a Bachelor's or Master's program in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, Systems Engineering, Mathematics, Data Science, or a closely related field
  • Experience in at least one of: Python, Java, or C++
  • Must be U.S. Citizen eligible to obtain and maintain a DoD Secret security clearance

Preferred

  • Hands-on experience building prototypes or applications (class, club, hackathon, research, or personal projects)
  • Exposure to data engineering or analytics: data cleansing, transformation, feature engineering, or exploratory analysis
  • Familiarity with one or more of the following: Tools: Git/GitHub, VS Code or similar IDEs, Jupyter Notebooks
  • Backend: REST APIs, microservices, SQL (PostgreSQL/MySQL), containerization (Docker), basic Linux
  • Frontend: JavaScript/TypeScript, React or similar
  • Data/ML: NumPy/Pandas, scikit-learn; plus for PyTorch or TensorFlow
  • Cloud and CI/CD: AWS/Azure basics, build pipelines
  • Interest in secure software development practices
  • Familiarity with Rust
  • Ability to obtain /maintain DoD Top Secret security clearance with polygraph

Benefits

  • Health and Wellness programs
  • Income Protection
  • Paid Leave
  • Retirement
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.
Glassdoor
3.9
Founded in 1969
Reston, Virginia, USA
10001+ employees
https://www.leidos.com

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