The term METROLINER OPERATOR refers to an AMTRAK employee. AMTRAK is a passenger railroad service that operates in the United States and is the largest provider of intercity rail transportation in the country. AMTRAK employees are responsible for operating trains, providing customer service, and ensuring the safety of passengers. The METROLINER OPERATOR is specifically responsible for operating the Metroliner, a high-speed train that runs between Washington, D.C. and New York City.