Collins Aerospace's Strategic Solutions team is seeking a Senior Software Engineer to join their mission-critical software development team in Richardson, TX. This role focuses on developing solutions supporting Mission Systems and NC3 defense systems for the armed forces. The position requires expertise in Java development, with opportunities to work on complex software designs and architectures. The ideal candidate will have 5+ years of experience in software engineering, strong object-oriented programming skills, and the ability to obtain a security clearance. The role offers comprehensive benefits, competitive salary ($82,000-$164,000), and the chance to work on cutting-edge aerospace and defense technology. As part of RTX, one of the world's leading aerospace and defense companies, you'll contribute to projects that push the boundaries of known science while working with a high-performance team. The position requires onsite work in Richardson, TX, and includes opportunities for mentoring, leadership development, and technical growth in specialized domains.