Mechanic Instructor, Grade 21 Montgomery County, MarylandMechanic Instructor, Grade 21Rockville, MD$70,556–$107,347 / yearDo you understand that PRIOR to appointment, you must be in possession of and maintain a Class "A" or "B" Commercial Driver's License (CDL) with Passenger and Air Brake Endorsements, issued by your state of residence; AND a US Environmental Protection Agency Air Conditioning Certification (Clean Air Act, 1990, Section 608 and 609? We strategically plan, maintain, acquire, and dispose of county fleet vehicles and equipment, providing the highest level of cost effective and efficient fleet operations, ensuring transparency and accountability through a dedicated, highly trained, and certified fleet staff.