Modeling and analysis experience in aspects of the missile defense system (e.g., Aegis Weapons Systems, Ground-based Midcourse Defense (GMD), Glide Phase Intercept (GPI), Hypersonic and Ballistic Tracking Space Sensor (HBTSS), Fire Control, C2BMC, missile defense sensors (EO/IR/RF), kill vehicles, interceptors, countermeasures. Candidate should have prior experience with use of MSOSA (Cameo), DOORS and/or demonstrated knowledge in any of the MDA domain areas; including 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).