Systems modeling and analysis experience in one or more aspects of the missile defense system (e.g., Aegis Weapon System, Ground-based Midcourse Defense (GMD), Glide Phase Intercept (GPI), Hypersonic and Ballistic Tracking Space Sensor (HBTSS), fire control, C2BMC, MDS sensors (EO/IR/RF), kill vehicles, interceptors, countermeasures, etc.). Bachelor's degree in a STEM (Science, Technology, Engineering, or Mathematics) discipline from an accredited university and 8 years of related work experience; or a Master's degree in STEM and 6 years of related work experience; or a PhD in STEM and 4 years of related work experience.