ramp agent
A person who works on the ramp of an airport, specifically for an airline or 3rd party vendor (ex. Southwest, Delta, United, etc.)
Kid: Hey look dad, that guy is loading bags onto this plane what is his job called
Dad: he is a ramp agent/baggage handler/pitchbitch like me
Dad: he is a ramp agent/baggage handler/pitchbitch like me
Ramp agent
Weight and commodities accountant for a high speed aluminum tubing company
That guy is a ramp agent down there loading bags.