Experience with systems engineering, planning, development, integration, and testing of multiple space vehicle subsystems and their components, including structures, mechanisms, electrical power, attitude control, thermal, propulsion, communications, or command. There may be limited circumstances in which a law, regulation, executive order, or government contract would require certain citizenship; only in those limited circumstances would Aurex require certain citizenship status to comply with the relevant law, regulation, executive order, or government contract applicable to that position.