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.
(..) Oh, no. I know a much nicer hotel. It's brand-new. Very modern. I'll have my people take care of it. - Security. - Yeah. Sir... You might want to send a maintenance man to that office across the way. The lights are off and they must be looking for a fuse box, 'cause them flashlights, (..)1994 Forrest Gump