We're looking for a Principal Software Test Engineer to join our team in Cedar Rapids, IA, and take a leading role in shaping the future of military communications. At Collins Aerospace, our Communication Systems directorate delivers some of the most advanced solutions in the industry-technology that keeps military personnel safe, connected, and mission-ready. In this role, you'll lead the testing and validation of next-generation systems powering UAVs, fighter jets, aircraft carriers, and ground vehicles. From advanced satellite communications and cryptography to cutting-edge embedded computing architectures, you'll ensure our solutions meet the highest standards for speed, security, and resilience. If you're ready to bring your expertise to the forefront and guide critical testing efforts that impact mission success, this is the role for you.