CHANTILLY, Va.--(BUSINESS WIRE)--Engility Holdings, Inc. (NYSE:EGL), today announced it has been awarded a $50.7 million contract to provide technical, management, and analysis support to the John A. Volpe Transportation Center. Specifically, Engility will support the on-going development, evaluation, and management of programs within the Air Traffic Systems Directorate of the Federal Aviation Administration’s (FAA) Air Traffic Operations (ATO) Program Management Office. Work under this cost pl