This opportunity resides with Uncrewed Systems (UxS), a business group within HII's Mission Technologies division. Uncrewed Systems comprises unmanned underwater vehicles (UUVs), unmanned surface vehicles (USVs) and autonomy software. HII creates advanced unmanned solutions for defense, marine research and commercial applications. Serving customers in more than 30 countries, HII provides design, autonomy, manufacturing, testing, operations and sustainment of unmanned systems, including unmanned underwater vehicles (UUVs) and unmanned surface vessels (USVs). Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that's right for you. Apply today. We look forward to meeting you. We have an exciting opportunity to join our Modeling and Simulation Group as a Simulation Engineer to support our rapidly expanding portfolio of autonomous vessels. As HII Unmanned Systems continues to push the boundaries of multi-domain autonomy, one of our primary focuses is the architecture of our underwater and surface vehicles. The Simulation Engineer will apply knowledge about hydrodynamics, virtual models, and HII's unmanned vehicles to develop and execute a digital twin modeling and simulation environment. This will involve integration of vehicle hardware with the simulator, and software development to enable a robust virtual testbed for advance autonomy solutions.