The Leidos Defense Systems is seeking Software Engineer Intern in Huntsville, AL to perform real-time software development and integration tasks in support of missile defense contracts. This work may also encompass a number of other areas including modeling and simulation. Candidates will be expected to apply existing knowledge and acquire new skills to help solve complex problems, all while gaining experience in the development and delivery of software solutions for U.S government customers.

Primary Responsibilities

• Work within a multidisciplinary team to design and develop software solutions, document results and findings, and/or support test and integration of software systems.
• Apply previously acquired skills and knowledge to technical tasks.
• Effectively communicate with engineers in an Agile Scrum environment regarding current tasks.

Basic Qualifications

• Must be enrolled in degree program and pursuing B.S. in Computer Science, Computer Engineering, Software Engineering, or related field.
• Experience with C++, C#, Java, or Python object-oriented programming through course work, lab projects, and previous internships.
• Demonstrate problem solving, teamwork, and communication skills.
• Ability to obtain and maintain a DoD secret security clearance - US Citizenship required.

Preferred Qualifications

• Experience using IDEs and software version control systems
• Experience working in an Agile Scrum environment.

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:

January 28, 2026

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.