There is a wide range of jobs available at the airport. Here is a list: Airplane Cleaning, Car Rental, Warehouse / Freight, Police/Security, Hotel / Motel Staff, Baggage Service Staff, Customer Service and Sales, Finance and Accounting, Drivers / Delivery, Flight Operations, IT, Food Services, Fuel Services, Pump Services, Janitors and Skilled Trades. So you can see there's a wealth of jobs available at an Airport.
A Security Guard.
You can be a flight attendant or the ones that work at the counter who sell plane tickets.
Try to apply for a Pilot
Gate or check-in counter agents are possible jobs for you, Most do not require college degrees and your previous customer service experience is highly desirable for those types of jobs. :D
Airport job is to nice and enjoyful. Varities jobs are present for you here. But you must visit where are your job is perfect?
Toilet Cleaner, window cleaner, kid inspector