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# Senior Principal Test Software Architect

- **Company:** RTX
- **Location:** Tucson, AZ, United States
- **Experience:** Expert
- **Salary:** $132,400.0 - $251,600.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), .NET Framework, Microsoft Windows, Agile Methodology, Software Applications, C Sharp (Programming Language), C++ (Programming Language), Network Analysis, Linux, Software Architecture
- **Published:** July 16, 2026
- **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-AZ-TUCSON-M10--3360-E-Hemisphere-Loop--BLDG-M10/Senior-Principal-Test-Software-Architect_01860148

## About the Role

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, * Typically requires a bachelor's degree in science, Technology, Engineering, or Mathematics (STEM) and a minimum of ten (10) years prior relevant experience

 * A minimum of ten (10) years of experience developing applications in the .NET environment, preferably in C# or C/C++.
 * A minimum of five (5) years working in Model Based Systems Engineering (MBSE) environments.
 * Experience leading the development of the software architecture for factory test software in an MBSE environment of software developers in the development of factory test software applications and tools.
 * Experience leading and collaborating in teams of multi-disciplined engineers.
 * 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., * Strong organization, coordination, planning, teaming skills, as well as written and oral communication skills.
 * Certifications in architecture development.
 * Experience with both Windows and Linux operating systems.
 * Knowledge of or experience with equipment rack assembly, cable assembly/installation, electronics maintenance, data acquisition systems, oscilloscopes, bus analyzers, logic analyzers, network analyzers, and/or spectrum analyzers.
 * Experience troubleshooting systems using test equipment such as data acquisition systems, oscilloscopes, bus analyzers, logic analyzers, network analyzers, and/or spectrum analyzers.
 * Experience with Agile Process and gate reviews.
 * Experience with Earned Value Management System (EVMS)
 * Agile Methodologies understanding.

## Description

* Lead a team of software architects and developers in the development of common software applications and libraries
 * Identify test software harmonization opportunities across Raytheon
 * Collaborate with functional leadership to identify common test software opportunities
 * Up to 25% domestic travel


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