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.
(..) One of the longest flights in the world. He makes it every two weeks. He must be flying private, then. SAITO: Not if there were unexpected maintenance with his plane. ARTHUR: It would have to be a . - Why's that? On a , the pilot's up top... ...the first-class cabin's in the nose, (..)2010 Inception