Job Description MAJOR RESPONSIBILITYServicing, repairing, adjusting, and testing machines, devices, moving parts, and equipment that operate primarily on the basis of mechanical (not electronic) principles.\n \n SPECIFIC RESPONSIBILITIESExamples of key duties are interpreted as being descriptive and not restrictive in nature.\n\nLubricate machinery, change parts, or perform other routine machin...