RTX (formerly Raytheon Technologies) is seeking a Principal Software Engineer for their Richardson, TX location. As a leading aerospace and defense company, RTX develops advanced systems and technologies that require sophisticated software solutions. This role appears to be an onsite position, indicating the importance of direct collaboration with teams and systems. However, specific details about the role responsibilities, requirements, and project focus areas are not provided in the available content. RTX is known for working on cutting-edge defense, aerospace, and commercial technologies, suggesting this role likely involves complex software development for mission-critical systems. The Principal level indicates this is a senior technical position that likely involves technical leadership, architecture design, and mentoring other engineers, though specific details are not provided in the source material. The company offers comprehensive benefits and the opportunity to work on significant technical challenges in the aerospace and defense sector.