The selected individual will support development of functional, performance, and interface concepts and requirements for system-of-system capabilities of the Missile Defense Agency (MDA) Ballistic Missile Defense System (BMDS) in a model based systems engineering environment. Integrated system functional and interface requirements focus areas include one or more of the following: BMDS Battle Management/Command Control/Communication (BM/C2/C), RF/IR sensor management, and BMDS weapon systems. Individual will participate in development of system/component trade studies and analysis using established methodologies. Develops UML based design packages supporting analysis, definition, and architecture needed to document, allocate and trace BMD System and Element level requirements. Individual may be responsible for the planning and progress reporting of tasks and coordination with functional and technical working group leads, senior management and government counterparts. The individual is responsible for documenting results of requirements analysis in DOORS, System Architect, reports, and presentations. Individual will create and present briefings within the team and to Missile Defense Agency (MDA) and supporting organization stakeholders Education Bachelor’s Degree in a Computer Science or related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience Qualifications 10-15 years of directly related computer systems analysis and/or programming experience. Required Qualifications: Model based systems engineeering background. Must demonstrate knowledge/expertise in developing/writing and analyzing system-of-system level requirements. Strong coordination, organization, teaming and communication abilities along with horizontal integration skills. Ability to develop solutions to a wide range of complex system-of-systems technical problems that require ingenuity, innovation and collaboration with multiple stakeholders. Ability to perform and understand multiple tasks simultaneously. Ability to work in a team environment leading focused eams comprising 10-15 multi-funcitonal engineers/technicians.Desired Qualifications: Experience leading teams in performing systems engineering and/or functional specification and interface specification development. Experience with a complex weapon system, system-of-systems, or Missile Defense element such as Ground-Based Midcourse Defense (GMD), Theater High Altitude Area Defense (THAAD), Patriot, Aegis Ballistic Missile Defense (BMD), X-Band Radar (XBR), Command Control Battle Management Communication (C2BMC). Familiraity/Experience with DOORS or similar requirements engineering tool, and UML modeling tools such as System Architect. Computer skills to include Microsoft Office Suite.