Principal Software Engineer with Test Solutions

This engineer will develop, integrate, and debug object-oriented software and test equipment interfaces using tools such as Microsoft Visual Studio on Windows. The position supports laboratory and hardware-focused test environments, including instrumentation, device drivers, computer interfaces, and communications protocols. The successful candidate will manage multiple technical priorities, contribute to software architecture and lifecycle processes, and help define product requirements. As a senior technical contributor, the person will also lead projects or teams and mentor less-experienced engineers. This onsite Tucson role suits an experienced software professional who enjoys combining application development with electronics, hardware integration, and mission-focused defense work.