Principal Software Engineer - Test

Are you ready to redefine the boundaries of aerospace and defense technology? At RTX, we are looking for a Principal Software Engineer – Test to join our elite team in Tucson, AZ. This is not just a role; it is a mission-critical opportunity to shape the reliability and performance of systems that protect our nation. You will work at the cutting edge of innovation, collaborating with world-class engineers to push the limits of software quality and systemic integrity in an environment where precision is everything.

As a Principal Software Engineer – Test, you will be the guardian of excellence, designing and executing advanced testing strategies that ensure our complex systems operate flawlessly under the most demanding conditions. This onsite position offers the perfect launchpad for a high-impact career, providing you with mentorship from industry leaders and exposure to transformative defense technologies. To join our ranks, you must hold an active, transferable U.S. government Secret security clearance and be a U.S. citizen, as you will be working on projects that truly matter on a global scale.

If you are a driven problem-solver with a passion for rigorous software standards and a desire to see your work deployed in the field, we want to hear from you. At RTX, we prioritize your professional growth, offering a collaborative culture that values bold ideas and technical mastery. Apply today to secure your place at the forefront of the technology sector and help us engineer the future of safety, security, and aerospace excellence.

Requirements

• Proficiency in at least one modern programming language (Python, JS, Java, etc.).
• Understanding of software development life cycles and version control (Git).
• Strong problem-solving skills and attention to technical detail.
• Familiarity with cloud platforms (AWS, Azure, or Google Cloud) is a plus.
• Ability to work in an agile, fast-paced environment.
• Degree in Computer Science or equivalent practical experience.