There's no benefits, pay is decent for newer workers, and the job for the cleaning side can be very demanding in difficult weather conditions. On the cleaning side you clean planes quickly so that they can fly out to their next location. Other duties may require advanced clearance. the only room for advancement is to become a supervisor, but if you don't have the qualifications to be a supervisor already, you probably wont be given the chance to become one. Raises are given yearly and are very minuscule.
poor pay, no benefits, lengthy hiring process