Working conditions: The dedicated workspace is adjacent to a 24x7 operations center; typically works M-F during normal business hours, but must be able to support work and on-call duties during off hours, weekends, and holidays as dictated by the needs of a 24x7 operation. General or specialized knowledge in one or more of the following spacecraft subsystems: Attitude Control, Propulsion, Power, Data Handling/Onboard Processing, Thermal, Mechanisms, TT&C, Payload, Flight Dynamics, and Orbit Mechanics a plus.