Software Engineer Intern

Join Leidos’ mission-focused engineering team and build real software that powers data analytics, computer vision, and AI capabilities for national security customers. At Leidos, we don’t just offer internships - we offer career acceleration. You’ll ship code, learn from experienced engineers and researchers, and see your work used in production.

• 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.

• 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 Secret security clearance. Leidos will guide you through the clearance process.

• 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/Git Hub, VS Code or similar IDEs, Jupyter Notebooks.

• Backend: REST APIs, microservices, SQL (PostgreSQL/MySQL), containerization (Docker), basic Linux.

• Frontend:
  JavaScript/Type Script, React or similar.

• Data/ML:
  Num Py/Pandas, scikit-learn; plus for PyTorch or Tensor Flow.

• Cloud and CI/CD: AWS/Azure basics, build pipelines.

• Interest in secure software development practices.

• Familiarity with Rust

• Ability to obtain /maintain Top Secret security clearance with polygraph.

• Arlington, VA. Hybrid: 4 days on-site, 1 day remote per week.

• 8–10 week internship, target start May/June 2027.

• Curious and adaptive—comfortable learning new domains and asking good questions

• Organized and self-directed, while still highly collaborative

• Confident communicating your needs and working as an active team member

October 6, 2026

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 $48,100.00 - $86,950.00

The Leidos pay range for this job level is a general guideline onlyand 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.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit  .

Pay and benefits are fundamental to any career decision.…