SciTec is seeking a Numerical Algorithm Software Engineer to join their Defense, Intelligence, & Space Solutions division in Boulder, Colorado. This role combines advanced mathematical concepts with software engineering, focusing on state estimation, Kalman filtering, object tracking, and guidance systems. The position requires strong programming skills in C++ and Python, along with a deep understanding of numerical algorithms and their implementation. As a defense contractor, the role requires US citizenship and the ability to obtain/maintain a DoD security clearance. The successful candidate will work on critical defense and space-related projects, applying their expertise in both theoretical mathematics and practical software development. This is an excellent opportunity for experienced engineers looking to work on challenging problems at the intersection of defense technology and advanced algorithms.