Software Engineering Intern III, Summer 2026

Job Description This posting is one of several for software summer interns in NH. The title of each posting corresponds to the years of college completed prior to joining us in the summer of 2026 (i.e., Software Engineering Intern I – completed 1st/freshman year of college, Software Engineering Intern II – completed 2nd/sophomore year of college, etc.). Please apply to the appropriate position.

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 summer 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.

This internship will be located onsite at one of our BAE System's facilities in southern New Hampshire including Nashua, Hudson, Manchester, and Merrimack.

Please note that pursuant to a government contract, this specific position requires US Person 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 summer 2026
• 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 the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems’ game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere – from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact – for our customers and the communities we serve.

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.