Collins Aerospace is seeking a Principal Systems Engineer to play a critical technical role within our Engine Control Systems (ECS) Business Unit. This position supports a highly skilled embedded systems team and serves as a key integrator across disciplines to deliver safe, reliable, and certifiable aerospace engine control solutions. In this role, you will lead and influence software architecture and system-level design for complex embedded control systems used in both commercial and military aircraft applications. You will lead the development and strategic direction of diagnostic software to ensure high-quality solutions for diagnostic applications. You will be a trusted technical authority, guiding requirements decomposition, architectural trade studies, and design decisions while ensuring compliance with stringent aerospace standards.