Software Development Intern (Summer 2027)

Date Posted:

2026-09-28

Country:

United States of America

Location:

US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required after day 1

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RT

What You Will Do:

We are seeking a motivated Software Development Intern with a focus on developing complex systems in various higher level object-oriented programming languages. The ideal candidate will have a passion for creating high-performance applications and will be involved in all stages of the software development lifecycle.

This position is an onsite role located in Tewksbury, Massachusetts

• Assist and participate in the design, development, and maintenance of software applications for complex systems and applications.

• Collaborate with cross-functional teams to define, design, and implement new features, ensuring system integration and scalability.

• Troubleshoot, debug, and optimize existing code for performance and efficiency in complex environments.

• Participate in code reviews and ensure adherence to coding standards and best practices.

• This position requires exclusive onsite presence.

• The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications You Must Have:

• Must be pursuing a Bachelor’s or Advanced degree in an applicable discipline and actively ++enrolled through completion of the internship / co-op session.
• Must have a minimum of 60 hours of credit by the start of the internship / co-op session.
• Experience with C++, C, Java, Python, Ada or related tools/languages.

Qualifications We Prefer:

• Knowledge of data structures and algorithms, systems software design, operating systems, architectures, software development life cycle and processes.

• Experience in a Unix/Linux operating system.

• Strong problem-solving and communication skills, including ability to produce technical documentation, and the desire to learn new technologies and tools.

• Excellent interpersonal and communication skills to work effectively with cross-functional teams.

• Experience developing software in a team-based development environment, preferably Agile/SCRUM, DevOps and test automation.

What We Offer:

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

• Relocation Eligible

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

• Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 37,000 USD - 82,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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