Software Test Equipment Engineer

Benefits:

• Dental insurance
• Health insurance
• Paid time off
• Relocation bonus
• Vision insurance

Legion Technical Solutions (LTS)
Location: Tucson, Arizona | 100% Onsite
Position Level: Principal / Senior-Level Engineering

Build Advanced Software Solutions for Mission-Critical Defense Systems

Legion Technical Solutions (LTS) is seeking an experienced Principal Software Engineer – Test Equipment to support advanced defense technology programs in Tucson, Arizona. This opportunity is ideal for a highly skilled software engineer who enjoys hands‑on development, solving complex technical challenges, and leading software solutions that directly support sophisticated electronic systems.

In this role, you will develop, integrate, and maintain advanced Windows‑based software applications used in engineering laboratories, automated test environments, and production facilities. You will work alongside multidisciplinary engineering teams to deliver reliable software solutions that support the development, verification, manufacturing, and sustainment of mission‑critical defense systems.

At LTS, we connect exceptional engineering professionals with challenging opportunities that make a meaningful impact on national defense. We value technical expertise, collaboration, innovation, and the contributions of engineers who take ownership of their work.

• Design, develop, and integrate object‑oriented software applications using C#, C++, Microsoft Visual Studio, and Windows operating systems
  .
• Develop sophisticated software applications, libraries, and instrument drivers supporting automated test equipment and production systems.
• Design and implement software solutions throughout the engineering lifecycle, from initial requirements and development through integration, verification, production, and sustainment.
• Troubleshoot complex software applications, hardware interfaces, and test equipment instrumentation.
• Develop, analyze, and refine software requirements to ensure reliable system performance.
• Collaborate with electrical, mechanical, systems, and test engineers to integrate software with advanced hardware platforms.
• Support engineering laboratories and manufacturing operations by diagnosing technical issues and implementing effective solutions.
• Manage multiple software engineering priorities while maintaining high standards for quality, performance, and delivery.
• Provide technical leadership, guidance, and mentorship to junior software engineers.
• Contribute to software architecture, design reviews, continuous improvement initiatives, and engineering best practices.

• Bachelor's degree in Science, Technology, Engineering, Mathematics (STEM), or a related technical discipline with 8+ years of relevant professional experience
  , or an advanced degree in a related field with 5+ years of relevant experience
  .
• Professional experience developing and integrating software applications using programming languages such as C++, C#, Java, Python, or Visual Basic.
• Hands‑on experience using integrated development environments (IDEs), debugging tools, and software troubleshooting techniques.
• Demonstrated experience developing software within Windows operating systems and Microsoft Visual Studio
  .
• Strong understanding of object‑oriented programming, software design principles, and application integration.
• Ability to work independently and collaboratively in a multidisciplinary engineering environment.
• Strong analytical, problem‑solving, and communication skills.
• Ability to work 100% onsite in Tucson, Arizona
  .
• U.S. citizenship and an active U.S. government security clearance are required at the time of hire.

• Experience developing software for automated…