Principal Signal Processing Engineer - EO/IR/RF

RTX is seeking a Principal Systems Engineer in Tucson, AZ, focusing on EO/IR or RF signal processing. You will design, develop, prototype, integrate, and test algorithms that extract meaningful information from sensor data for missile systems programs. This onsite role requires active clearance eligibility and collaboration across engineering disciplines. You will mentor teammates, work with hardware integration, and participate in live-fire testing efforts, contributing to cutting-edge defense