
This onsite Senior Software Engineer role at RTX focuses on developing and optimizing algorithms for complex aerospace and defense systems in Plano, Texas. The position involves collaborating with scientists to translate mathematical models into high-performance C, C++, and CUDA code for real-time applications and HPC environments. Key responsibilities include optimizing parallel processing, scaling simulations across thousands of cores, and architecting integrated software within heterogeneous systems. The role appeals to engineers seeking to work on mission-critical projects that protect national security while contributing to a culture of innovation and collaboration. Candidates must hold an active U.S. Secret clearance and be a U.S. citizen, with opportunities for professional growth within a global team of over 4,000 software engineers.







