Heavy Equipment Mechanic I/II

Heavy Equipment Mechanic I The Heavy Equipment Mechanic I is the entry level classification in the Heavy Equipment Mechanic series. Reporting to the Morgan Shop manager, the HEM I performs service on light and heavy road maintenance equipment used in connection with the construction and maintenance of county roads. This position is subject to overtime, shift work, standby, and call back assignments. Performs related duties as assigned. Heavy Equipment Mechanic II The Heavy Equipment Mechanic II is the journey level classification in the Heavy Equipment Mechanic series. Reporting to the Morgan Shop manager, the HEM II performs skilled work in repairing, overhauling, and maintaining automotive and road construction equipment powered by gasoline, and/or diesel fuels. The incumbent in this classification performs a full range of diagnosing mechanical, electrical, and hydraulic problems, welding and repair work on construction equipment and trucks with one-ton capacity or larger. This position is expected to perform with a high degree of skill and independence. The HEM II incumbents are normally assigned work requiring a higher level of skill and knowledge and are certified by the State of California to provide service in the areas of lamp adjustment, brake adjustment, and refrigeration/recycling A/C. This position maintains and makes minor and major repairs to the County Road Maintenance Equipment and other gas and diesel-powered vehicles. This position is subject to overtime, shift work, standby, and callback assignments. Performs related duties as assigned. Responsibilities Inspection & Diagnostics Inspect, diagnose, and locate mechanical, hydraulic, electrical, and electronic issues on County road maintenance equipment and other diesel- and gasoline-powered vehicles. Receive and evaluate reports of equipment problems, determine necessary repairs, and recommend corrective action. Diagnose and repair emissions control systems and computer-controlled components. Repair & Maintenance Overhaul, repair, and adjust engines, transmissions, differentials, valves, and air/hydraulic systems. Tune engines by replacing electrical and electronic components, and cleaning or adjusting fuel injection systems. Repair or replace defective parts such as wheel bearings, clutches, oil seals, shock absorbers, exhaust systems, steering mechanisms, and related components. Diagnose and repair charging and electrical systems, including generators, alternators, distributors, relays, lighting, and switches. Maintain, repair, and recharge air conditioning and climate control systems. Perform roadside and field repairs to minimize downtime and restore operability. Fabrication & Welding Weld, fabricate, and assemble parts and equipment for heavy equipment and vehicles. Weld, braze, cut, shape, and fasten metal parts; fabricate and repair vehicle frames, chassis, and exhaust systems. Safely operate welding equipment, drill presses, lathes, grinders, and other precision tools required for fabrication and repair. Testing & Quality Assurance Conduct test runs of vehicles and equipment following repair to verify that problems are resolved and performance standards are met. Recordkeeping & Compliance Maintain accurate work orders, time logs, and material records. Follow all applicable safety regulations, environmental requirements, and County policies in the performance of duties. Knowledge Heavy Equipment Mechanic I Common tools, procedures, equipment and materials used in making repairs on both diesel and gasoline motorized equipment. The care and operation of internal combustion engines. Tools, parts, and materials used in the repair and maintenance of automobiles, trucks, gas and diesel equipment. Basic computer operations. Methods, tools, and equipment used in lubricating heavy construction equipment and refuse trucks. Automotive and heavy equipment, hydraulic and chassis parts. Automotive oils, grease, and lubricants and how to use them. Standard shop and safety procedures. Heavy Equipment Mechanic II Tools, equipment, and procedures used in the overhaul, repair, and adjustment of County Road Maintenance Equipment and Transit buses and other gas and diesel powered equipment. Operation and care of internal combustion engines and hydraulic equipment. Methods, materials, equipment and tools used in welding and fabrication work. Operating and repair characteristics of County Road Maintenance Equipment and Transit buses. Safe work practices. Computers and electronics in vehicle applications. Skills & Abilities Heavy Equipment Mechanic I Lubricates, in the shop or in the field, chassis, hydraulic, and equipment. Changes oil in gasoline and diesel powered heavy equipment using grease guns and hand tools. Changes oil filters and radiator hoses; replaces defective light bulbs, battery cables and windshield wiper blades. Writes simple records of work accomplished. Do mechanical work; and understand and follow both oral and written instructions. Learn and perform maintenance and repair work on automotive, heavy duty, and/or construction equipment. Understand and apply department rules, regulations, policies, and procedures. Inspect, disassemble, replace worn parts, assemble and test systems and components. Read and understand manufacturer specifications and technical manuals. Troubleshoot and test various vehicle and equipment systems. Communicate effectively with others in person and over the telephone. Properly lubricate and service gasoline and diesel powered refuse trucks and heavy construction equipment. Safely operate refuse trucks and heavy construction equipment. Work safely around automotive and heavy construction equipment. Learn proper methods of diagnosing and repairing mechanical problems of gasoline and diesel internal combustion engines. Learn operation of diesel and gasoline internal combustion engines. Learn basic acetylene and electrical arc welding; learn hydraulic and air brake systems; and learn torque converters, automatic and standard transmissions. Heavy Equipment Mechanic II Perform skilled welding and fabrication work. Perform minor and major mechanical work on mechanical equipment. Use a variety of tools, testers and equipment with skill. Maintain a variety of shop and repair records. Understand and carry out verbal and written directions. Perform journey level equipment mechanical work including the troubleshooting of equipment for both major and minor repair work. Work independently in the absence of supervision. Accurately determine appropriate repair needs and estimate the cost and time of repairs. Establish and maintain cooperative-working relationships with those contacted in the course of work. Education & Experience Heavy Equipment Mechanic I Two (2) years of experience as an Equipment Services Technician in Stanislaus County or in the servicing of light and heavy equipment; AND Possess and maintain a valid California Class C Driver's License; AND Obtain and maintain a valid Commercial Driver's License within a year of hiring date; AND Perform with confidence all of the physical requirements listed in the Job Task Analysis. Heavy Equipment Mechanic II Three (3) years of heavy equipment mechanic repair performing duties comparable to those of a Heavy Equipment Mechanic I in Stanislaus County; AND Equivalent to completion of the twelfth grade; AND Possess and maintain a valid California Class C Driver's License; AND Possess and maintain a valid California Class A Driver's License with tanker, air brakes and doubles & triples endorsements. Possess California State Brake Certificate, Lamp Certificate, and Refrigeration/Recycling Air Conditioning Certificate; AND Perform with competence all of the physical requirements listed in the Job Task Analysis. Desirable Qualifications Proof of completion of vocational or technical coursework in diesel/heavy equipment repair, automotive technology, or a related field; OR Possession of ASE (Automotive Service Excellence) certifications in Medium/Heavy Truck or related specialty areas; OR Welding certifications (e.g., AWS Certified Welder); OR Documented OEM (Original Equipment Manufacturer) training on Caterpillar, John Deere, or similar heavy equipment; OR One (1) year of experience in a governmental agency. General Qualifications Pass County-paid pre-employment job-related background investigation. Perform job duties in a manner assuring a safe working environment for oneself and others. Maintain confidential information according to the legal standards and/or County regulations as required. Some positions may be required to possess and maintain a valid California Driver’s License and meet County insurability requirements. #J-18808-Ljbffr Stanislaus-County-