Principal Software Engineer with Test Equipment with Security Clearance

Are you ready to architect the future of aerospace and defense technology? At RTX, we are seeking a visionary Principal Software Engineer to lead the charge in developing cutting-edge test equipment that ensures mission-critical systems perform flawlessly under pressure. Based in the heart of Tucson, Arizona, this role offers you the unique opportunity to bridge the gap between complex software architecture and high-stakes physical testing. You will be the technical backbone of our engineering team, designing robust, automated testing frameworks that push the boundaries of what is possible in the defense industry while working alongside world-class innovators dedicated to keeping our nation secure.

This is more than just a coding role; it is a strategic position where your expertise in software engineering will directly influence the safety and reliability of our most advanced technologies. We are looking for an analytical mind who thrives on solving intricate technical challenges and is eager to mentor others in a collaborative, onsite environment. To join our elite team, you must hold an active U.S. government Secret security clearance and be a U.S. citizen. If you are passionate about building mission-critical software and want to advance your career at a global leader in aerospace and defense, we invite you to bring your skills to RTX and help us engineer a safer, more connected world.

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.