a 'maintenance' worker [=a worker whose job is to keep property or equipment in good condition]
The building has suffered from years of poor 'maintenance'.
She works in the company's 'maintenance' department.
(..) the secret service for nothing? Sorry, brother, but i am not finding anything in here. But our guys did find muriatic acid In the pool maintenance room, And the groundkeeper said that he was missing a shovel, so... You got anything? Uh, no blood evidence in the bathroom. (..)2016 TvShow: Bones Title: The Secret in the Service Season: 11 Episode 17