RTX is seeking a Principal Software Engineer specializing in Embedded Linux development for their Cedar Rapids, IA location. This is an onsite position at a leading aerospace and defense company. The role appears to be part of Collins Aerospace, a major division of RTX. As a Principal Software Engineer, the position likely involves leading complex embedded systems development projects and working with Linux-based systems in mission-critical applications. RTX is known for its cutting-edge technology in aerospace, defense, and commercial aviation sectors, making this an opportunity to work on significant projects that impact various industries. The position requires physical presence at the Cedar Rapids facility, indicating the importance of direct collaboration with hardware and software teams. While specific details about the role's responsibilities and requirements are not provided in the source HTML, RTX typically seeks experienced engineers with strong backgrounds in embedded systems, real-time operating systems, and Linux kernel development for such positions. The company offers comprehensive benefits and the opportunity to work on advanced technology projects in the aerospace and defense sector.