Principal Software Engineer with Test Solutions

Date Posted:2026-07-09Country: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 dateAt 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, AZWhat 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 concurrentlyTroubleshoot software and test equipment instrumentationWork in a multidiscipline engineering team environmentDevelop and derive requirements for software productsLead and mentor junior software engineersQualifications 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 techniquesExperience of the development of software drivers for the operation of computer hardware interfacesExperience in common computer hardware interface and data protocols such as TCP/IP, UDP, or RS-422Experience with Unified Modeling Language (UML) to visualize software architecture and designExperience in software development lifecycles, such as Waterfall and AgileExperience with Software Configuration Management principlesExperience with Microsoft Azure DevOps Server or GitHubWritten and interpersonal communication skillsExperience in leading teams/projects in a technical capacityWhat

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#TestEngineeringAs 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, regardless of whether the role is designated as on-site, hybrid or remote.
The salary range for this role is 107,500 USD
- 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.
Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible