Synonyms to grease monkey

mechanic, aeromechanic, aeronautical engineer, aircraftsman, apprentice, artificer, artisan, artist, cobbler, craftsman, craftswoman, doctor, fixer, flight tester, ground tester, handicraftsman, jet engineer, journeyman, little Miss Fixit, machinist, maintenance man, master, master carpenter, master craftsman, mechanician, mender, prentice, renovator, repairer, repairman, restorer, rigger, rocket engineer, serviceman, technician, tinker, trouble man, troubleshooter, wright