Principal Software Engineer- Secret Clearance

Solidus Technical Solutions

📍 Tucson, Arizona, United States

Full-time Computer Occupations Posted March 01, 2026

Job Description




Solidus is searching for a Principal Software Engineer. The selected candidate will contribute to multidiscipline engineering teams. Typical work involves the development of both engineering and production equipment, environments, and systems. As such, the candidate will contribute to the completion of all stages of product development for RMD weapon system products. They will be expected to work, either as a part of a team or independently, to design, develop, and implement system level applications in support of producing and maintaining weapon system products.



This is an on-site role based in Tucson, AZ. Schedule: 9/ work schedule



Day in the life:
  • Design, develop and integrate object-oriented software applications using C#, C++ in Microsoft Visual Studio in a Windows Operating System (OS)
  • Prioritize and handle multiple software engineering tasks concurrently
  • Troubleshoot software and test equipment instrume...