Principal Software Engineer (Onsite)

Collins Aerospace, a division of RTX, is seeking a Principal Software Engineer for their Strategic Solutions team in Richardson, TX. This role focuses on developing mission-critical software solutions supporting Mission Systems, particularly in the NC3 defense systems domain. The position requires expertise in Java development and microservices architecture, with a strong emphasis on security clearance requirements.

The ideal candidate will serve as a Subject Matter Expert, collaborating with high-performance teams to create sophisticated software solutions. Key responsibilities include requirements analysis, architecture development, and delivering mission-critical software. The role offers opportunities to mentor other engineers and directly support stakeholders.

The position requires 8+ years of experience with a STEM degree or 5+ years with an advanced degree. Strong expertise in Java and distributed systems is essential. The role demands U.S. citizenship due to security clearance requirements. Experience with DevSecOps, CI/CD, and various development tools is preferred.

RTX offers a comprehensive benefits package including medical/dental/vision insurance, generous vacation time, 401(k) matching, tuition reimbursement, and various family-friendly benefits. The salary range is $101,000 - $203,000 USD, with opportunities for growth and development in a leading aerospace and defense company.

This is an onsite position in Richardson, TX, offering the chance to work on cutting-edge defense systems while being part of a team that's shaping the future of aerospace and defense technology. The role provides unique exposure to specialized domains within strategic nuclear deterrence and opportunities for technical leadership.