Open Recruitment. Executive Service Recruitment. The incumbent will serve at the pleasure of the appointing authority. The Maryland Department of Transportation Maryland Aviation Administration (MDOT MAA) is the owner & operator of both BWI Thurgood Marshall and Martin State Airports, serving over 27 million passengers annually. Powered by. PERFORMANCE. Inspired by. INNOVATION. Fueled by. FUN. We are chartering careers to unprecedented. S. uccess...