At Leidos, we challenge our Software Developer Interns to roll up their sleeves and solve hard problems that others might avoid. Our mission requires fresh perspectives and innovative approaches from those who truly love to learn. We are looking for talented Developers who bring creative ideas, tackle complex challenges, and demonstrate persistence. We invest in ambitious engineers with untapped potential who can grow with us. Join us to develop your technical skills in an environment where pushing boundaries isn't just encouraged, it's expected.

The Leidos Defense Sector is seeking a Software Developer Intern for the summer of 2026 based in our Lawton, OK office to support a variety of Counter-Unmanned Aircraft Systems (C-UAS). The Intern will perform software development activities as a member of an Agile development team. Development includes the full range of turning agile stories into implementable concepts, through development, testing, and deployment of new capabilities in this complex system.

This internship will offer hands-on experience with industry-leading tools, mentorship from experienced professionals, and opportunities to develop highly sought-after skills in AI/ML and simulation technologies. The Intern will play a critical role in enhancing the nation's defense capabilities and addressing emerging threats in the C-UAS domain.

Primary Responsibilities:

• Coordinate closely with team members, Product Owners, and Scrum Masters to ensure User Story alignment and implementation of modeling and simulation and AI capabilities aligned with business and customer objectives.

• Perform software development activities as a member of an agile development team. Development includes the full range of turning agile stories into implementable concepts, through development, testing, and deployment.

• Integrate advanced modeling and simulation capabilities into existing and new C-UAS systems to improve operational effectiveness.

• Document software designs, algorithms, and integration processes to ensure maintainability and knowledge transfer.

• Collaborate with cross-functional teams to ensure seamless integration of third-party software and tools into C-UAS systems.

• Apply machine learning techniques to optimize system performance and automate decision-making processes.

• Perform software development functions including design, development, troubleshooting, and debugging software programs using the Agile Scrum framework.

Basic Qualifications:

• Currently enrolled in a bachelor’s or master’s degree program in Computer Science, Software Engineering, Cybersecurity, or related field from a regionally accredited college or university.

• Proficiency in programming languages such as C#, C++, Java, and WPF.

• Fundamental background in software design patterns.

• Ability to debug, troubleshoot, and isolate software issues.

• Ability to adapt to rapidly changing requirements and technologies in a fast-paced environment.

• Ability to develop technical solutions that require collaboration with experts, deep analyses, and understanding of impact on product/solution.

• Strong sense of ownership and passion for learning to drive in into complex problems.

• Ability to reside in or be willing to relocate to the Lawton, OK area.

• U.S. Citizenship required.

• Ability to obtain and maintain a Secret Security Clearance.

Preferred Qualifications:

• Experience building prototypes or applications through class, club, hackathon, research, or personal projects.

• Experience using IDEs and software version control systems.

• Experience working in an Agile Scrum environment.

• Knowledge of containerization technologies such as Docker or Kubernetes for scalable software development.

Work Location and Schedule:

• Based in Lawton, OK.

• On-site Monday through Friday with some limited remote work.

• Internship duration of 8- to12-weeks.

Why Leidos?

• Learn from a diverse team of Software Engineers and other professionals building mission-critical systems.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

March 12, 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:

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.