TriVector Services, Inc. is seeking qualified candidates to fill our Senior Requirements Engineer position. The Senior Requirements Engineer directly supports the Missile Defense Agency staff in the office of Ground Based Midcourse Defense. Responsibilities include but are not limited to supporting planning for future missile defense capabilities and requirements, developing system requirements, managing and executing requirement traceability, leading Working Groups during the absence of Civilian or Military Chairs, and leading Technical Interchange Meetings across multiple technical disciplines and time-zones to develop MDA requirements.