Job Summary. Maintenance Worker I Salary : $45,163 - $72,955. Maintenance Worker II Salary : $47,422 - $76,603. The City of Rockville offers FREE trainingapproved by the Federal Motor Carrier Safety Administration (FMCSA) to help you obtain your CDL license (driving hours and training assistance). A Maryland driver's license is required for CDL training. (Maintenance Workers and Traffic Maintenance Workers (regardless of level) are required to ha...
