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Updated twice daily · Oct 15, 2026
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Software Engineer I - (Onsite)

RTX (Raytheon)Tucson, AZ$62,900 - $119,700 USD

This entry-level engineering position supports RTX’s Hardware-in-the-Loop organization, which builds and operates simulated missile testing environments before flight testing. The engineer collaborates with multidisciplinary teams and weapon system designers to translate requirements into integrated test solutions for tactical software development and delivery. Responsibilities include combining software, firmware, and electronics, investigating system problems, analyzing test data, and contributing to root-cause and corrective-action efforts. The role is well suited to a recent STEM graduate with project, research, coursework, or work experience involving systems, testing, integration, or hardware. Candidates should be comfortable working onsite in a laboratory and must be U.S. citizens able to obtain the required DoD Secret clearance.

Requirements

Bachelor’s degree in Computer Science, Software Engineering, or related STEM field by start dateExperience with systems requirements, integration, testing, software, or hardware through work, research, coursework, or projectsU.S. citizenship and ability to obtain an interim DoD Secret security clearanceTroubleshooting experience with laboratory test equipment such as oscilloscopes or logic analyzersFamiliarity with telemetry, instrumentation, communications protocols, schematics, or interface documentationProgramming or automation experience with C/C++/C# and data collection or analysis preferred
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Listed October 15, 2026 · Verify details with the employer before applying.

About RTX (Raytheon)

Missile maker Raytheon, an RTX business, says its Tucson campus is home to Tomahawk and AMRAAM missiles and is adding automated factories (as of Oct. 2026).

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