Cleaner/maintainer’s helpers clean, sweep and wash buses, depots, garages, shops and other mabstoa facilities; Webthe fee for the bus operator’s exam is between $60 and $70. If you have any trouble submitting a payment, please refer to the online payment tutorial. you can also email. Webcleaner helper (bus mechanic helper) search 6 mta bus company careers available at metropolitan transportation authority. Mta cleaners play a critical role in this. Cleaner/maintainer’s helpers clean, sweep and wash buses, depots, garages, shops and other mta bus company facilities. They move refuse containers,. Webmta…