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# Software Test Engineer I

- **Company:** RTX
- **Location:** Tucson, AZ, United States
- **Experience:** Starter
- **Salary:** $57,200.0 - $108,800.0
- **Contract:** Internship / Graduate position
- **Skills:** Testing (Software), C (Programming Language), .NET Framework, Microsoft Windows, Agile Methodology, Software Applications, C Sharp (Programming Language), C++ (Programming Language), Software Debugging, Ethernet, IEEE-488, Hardware Design, Integrated Development Environments, Python (Programming Language), Microsoft Visual Studio, Object-Oriented Software Development, Software Engineering, Software Requirements Analysis, Software Testing Automation Framework, Systems Integration, Git, Vba Programming Language, C++14, Visual Basic Language, Programming Languages
- **Published:** October 2, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9211558/software-test-engineer-i

## About the Role

* Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) discipline. Degree must be obtained by start date.
 * Experience developing, testing, or integrating software applications using one or more programming languages, such as C, C++, C#, Python, or Visual Basic (VB/VBA/.NET).
 * Experience developing, building, and debugging software applications targeting Windows operating systems using the Microsoft Visual Studio integrated development environment (IDE).
 * Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer

 * Demonstrated foundation in software development principles and Object-Oriented Design (OOD/OOP), including encapsulation, inheritance, polymorphism, and modular class structure.
 * Experience or coursework utilizing C# or modern C++ in an engineering or laboratory test setting.
 * Familiarity with hardware/software interfacing, test automation frameworks, or instrumentation control (e.g., via GPIB, Ethernet, or serial interfaces).
 * Hands-on exposure to version control tools (such as Git) and Agile software development practices.
 * Strong diagnostic and analytical problem-solving skills applied to complex software/hardware integration issues.

## Description

* Design, code, and integrate object-oriented software applications and test software targeting Windows operating platforms.
 * Develop and derive system-level software requirements, operational specifications, and architectural designs.
 * Troubleshoot, debug, and optimize software applications to ensure rigorous test accuracy, repeatability, and reliability.
 * Collaborate closely with systems, electrical, and mechanical engineers to integrate software test tools with specialized hardware instrumentation.
 * Participate actively in formal design reviews, code peer reviews, and technical defect resolution.
 * Work within structured engineering frameworks applying both Agile and Waterfall development lifecycles.


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