Software Engineer I (Onsite)

Date Posted:

2026-08-14

Country:

United States of America

Location:

US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805

Position Role Type:

Onsite

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

Active and transferable U.S. government issued security clearance is required prior to start date.​ 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:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

This requisition is for an RTX intern converting to FT hire upon graduation.

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 RTX. 

The Software organization develops software applications, including integration and test on missiles, launchers, radars, naval systems, fire control and other complex systems.  Our precision software and firmware integrate operating systems, device drivers, networking, and control software to bring together sensor, guidance, and flight control processing features to complete the mission.  Our 4000+ software engineers design, develop, and build innovative solutions for our customers.  The Software org is made up of several Centers located across the country, responsible for all aspects of the software development lifecycle.  Join our fast-paced agile teams on the leading edge of technology. 

This position is within the Effectors Center of the Software organization (800+ engineers), and is an onsite role located in Tucson, AZ.

We encourage curious, creative problem solvers to join our team of bright, dedicated software craftspeople in designing and implementing highly innovative systems.  If you’re passionate about what you could accomplish here, we’d love to hear from you.

What You Will Do

• Assist and participate in the requirements, design, development and testing of real-time embedded software, application software, and tools, to include development of new work products or enhancement of existing applications and systems.
• Design, code, test, integrate, and document software solutions.
• Participate in internal review of software components and systems.
• Collaborate with project managers and other professionals within Engineering.
• Work on problems with defined scope, schedule, and expectations.
• Follow established development practices and processes to maintain the configuration management of software products.

What You Will Learn

• The workings of Missile Systems.
• New tools that will keep you state-of-the-art.
• Stay updated with the latest advancements in software development and missile technology to drive innovation.

Qualifications You Must Have

• Bachelor’s degree in Software Engineering, Computer Engineering, Computer Science, or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.
• Experience with C++, C, or Java.

Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer

• 1 year or more of calculus, physics and computer science studies that include assembly level programming, plus college coursework covering modern software languages (such as C, C++ or Java).
• Knowledge of data structures and algorithms, systems software design, operating systems and architectures.
• Prior internship experience.

What We Offer

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

Learn More & Apply Now!

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

• Onsite: 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