Principal Software Engineer with Test Solutions

Date Posted:

2026-07-09

Country:

United States of America

Location:

US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

This position is 100% onsite in Tucson, AZ

What You Will Do:

• 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 instrumentation
• Work in a multidiscipline engineering team environment
• Develop and derive requirements for software products
• Lead and mentor junior software engineers

Qualifications You Must Have:

• Typically requires a Bachelor’s Degree in Science, Technology, Engineering, or Mathematics (STEM) and minimum 8 years prior relevant experience, or an Advanced degree in a related field and minimum 5 years experience.
• Experience in developing and integrating software applications using programming languages including but not limited to C++, C#, Java, Python or Visual Basic.
• Experience in utilizing integrated development environments and debugging tools to troubleshoot software implementation and ensure integrity of the software products.
•  Prior experience in Windows Operating System and Microsoft Visual Studio is required.
• 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.

Qualifications We Prefer:

• Prior experience in laboratory test instrumentation, electronics, and software (Ex. oscilloscopes, power supplies, digital multimeters)
• Experience with computer architecture and computer hardware optimization techniques
• Experience of the development of software drivers for the operation of computer hardware interfaces
• Experience in common computer hardware interface and data protocols such as TCP/IP, UDP, or RS-422
• Experience with Unified Modeling Language (UML) to visualize software architecture and design
• Experience in software development lifecycles, such as Waterfall and Agile
• Experience with Software Configuration Management principles
• Experience with Microsoft Azure DevOps Server or GitHub
• Written and interpersonal communication skills
• Experience in leading teams/projects in a technical capacity

What We Offer:
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Learn More & Apply Now:
Please consider the following role type definition as you apply for this role.  Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

This position requires onsite work in Tucson, AZ: https://careers.rtx.com/global/en/raytheon-tucson,-az-location

#TestEngineering

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations,