Simulation Developer

ManTech International seeks a Simulation Developer to build advanced models and simulations supporting defense and aerospace missions within our IT & Digital Solutions organization. In this role, you will design, implement, and validate physics-based and mission-level simulations using languages such as C++ and Python, collaborating with engineers and cyber experts to solve complex national security challenges. You will follow modern software engineering best practices, contribute to innovation in modeling and analytics, and document results for technical and mission stakeholders. At ManTech, you’ll join a mission-focused, collaborative culture that values integrity, continuous learning, and technical excellence. You’ll have access to robust training, clear career paths, and opportunities to work with cutting-edge tools and frameworks in cyber, enterprise IT, and systems engineering. This position offers competitive pay and benefits, a veteran-friendly environment, and the chance to directly impact critical U.S. defense and intelligence operations while advancing your simulation and software engineering skills.