Software Engineering Intern III, Fall 2026

Job Description
You don’t see it, but it’s there. Our employees work on the world’s most advanced electronics – from saving emissions in the City of Lights to powering the Mars Rover to protecting the F-35 fighter jet. At BAE Systems you’ll be among the brightest minds, working on the aerospace and defense industry’s most difficult problems. Drawing strength from our differences, we’re innovating for the future. And you can, too.

We are seeking highly motivated and driven software interns who will be completing their junior year of college, prior to starting this full-time internship in Fall 2026, to join our Electronic Systems group in southern NH. As a software intern, you will join a team of engineers supporting software development opportunities that solve real world problems.

Typical tasking includes elements from the following:

• Designing, developing, and testing software solutions utilizing Agile methodologies and sound software engineering principles while conforming to existing code development strategies and processes.
• Assisting in other software engineering activities such as integration testing, algorithm & data analysis, software troubleshooting, and preparing documentation in accordance with established procedures.
• Utilizing a Windows PC or Linux based software development environment and either x86 or PowerPC target and test environment.

In addition to your technical assignment, you will participate in BAE Systems' nationwide LEAP Internship & Co-op Program, where you will Learn, Engage, Apply, and Progress within the company. The LEAP Program will provide you with additional opportunities to engage in career development opportunities, and network with our business leaders and the other students in the program.

The title of the posting corresponds to the years of college completed prior to joining us in the fall of 2026 (i.e., Software Engineering Intern I – completed 1st/freshman year of college, Software Engineering Intern II – completed 2nd/sophomore year of college, Software Engineering Intern III – completed 3rd/junior year of college,etc.). Remote options are available for this internship

Please note that pursuant to a government contract, this specific position requires US Citizenship status.

Required Education, Experience, & Skills

• Must be currently enrolled in an undergraduate program for CS (Computer Science), CE (Computer Engineering), or a related field, and will complete your junior year prior to the start of the internship
• Programming experience in at least one or more of the following languages: C, C++, Java, Python.
• Strong interpersonal and written and verbal communication skills
• Experience with Microsoft Office Suite (e.g., Excel, PowerPoint, Word, etc.)
• Demonstrated self-motivation and ability to work independently
• Must be eligible for a US DoD security clearance

Preferred Education, Experience, & Skills

• Knowledge of Data Structures and Object Oriented Design/Development
• Knowledge of AGILE based development
• Experience with Windows and/or Linux Operating Systems
• Experience using common software version control tools such as Git
• Security clearance (secret or higher)

Pay Information
Full-Time Salary Range: $49592 - $68993

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Temporary employees generally are not eligible for BAE Systems benefits, but can elect to participate in the 401(k) savings plan. Temporary employees working 20+ hours per week are eligible for medical benefits, the employee assistance program, and business travel accident insurance.

About BAE Systems Electronic Systems
BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.