Heavy Equipment Mechanic III

THE IDEAL CANDIDATE The successful candidate will maintain a safe, clean, and organized work environment while adhering to all safety standards, environmental regulations, and landfill operating procedures. This role plays a vital part in ensuring equipment reliability, operational continuity, and overall safety. TENTATIVE RECRUITMENT SCHEDULE Application Deadline: October 2, 2026 Oral Examination: Tentative week of October 12, 2026 To learn more about the Department of Environmental Resources, THE POSITION The Heavy Equipment Mechanic III may supervise and assist in leading, training, planning, and coordinating the operations of the Fink Road Landfill maintenance shop. In this role, the incumbent performs preventive maintenance, scheduled servicing, diagnostics, and repairs heavy equipment, fleet vehicles, and landfill support systems. Primary responsibilities include inspecting, troubleshooting, and repairing diesel engines, hydraulic, electrical, drivetrain, and air brake systems to ensure the safe, efficient, and reliable operation of all assigned equipment. This position requires the ability to diagnose equipment malfunctions, respond to breakdowns, and perform emergency repairs to minimize downtime and maintain operational efficiency. This position is subject to overtime, shift work, standby, and callback assignments. Performs related duties as assigned. Lead, train and assist journey level and semi-skilled mechanics; assign work to mechanics; assist higher level supervisory and management staff in the day-to-day supervision activities; Inspect, diagnose, and locate mechanical difficulties on landfill heavy equipment and Road Maintenance Equipment, and a variety of other diesel and gasoline powered equipment as required; Receive information from users; evaluate equipment problem; and determine action required for facilitating repair; Weld, fabricate and assemble parts and equipment for landfill heavy equipment, and Road Maintenance Equipment; weld, braze, cut, shape and fasten metal parts; fabricate and weld vehicle frames, chassis, and exhaust systems; Use welding equipment, drill presses, lathes, grinders and a large assortment of other power and hand tools and measurement instruments required for journey level fabrication work; Overhaul, repair, and adjust engines, transmissions, differentials, valves and air and hydraulic systems; Tune up engines, replacing electrical and electronic parts; clean and adjust fuel injection systems; Replace or repair faulty parts including wheel bearings, oil seals, shock absorbers, exhaust systems, steering mechanisms, and related parts and equipment; Diagnose and repair such components as generators, alternators, distributors, relays, lights and switches; Maintain and repair air conditioning and climate systems; Make roadside repairs as required; Communicate with management and supervisors, County vendors and County employees regarding status of fleet or other issues; Assist in the purchasing of equipment maintenance parts and materials; Maintain work, time, and material records; Diagnose and repair various electronic and computer-controlled devices; Diagnose and repair emissions systems; and Follow up on Department of Transportation inspections to ensure vehicles are within required guidelines. SKILLS/ABILITIES Advises mechanics on methods of repair and assists in more difficult tasks; Develop standards and controls for preventive maintenance programs; Keep maintenance of records through the Division’s software program; Collect data and reports for budget requests for new equipment; Perform skilled welding and fabrication work; Understand and carry out verbal and written directions; Perform complex equipment mechanical work including the troubleshooting of equipment for both major and minor repair work; Accurately determine mechanical repair needs and estimate the cost and time of repairs; Establish and maintain cooperative-working relationships with those contacted in the course of work. KNOWLEDGE Principles of operation, cost factors, and methods of repairing gasoline, diesel and alternate fuel vehicle (CNG), as well as construction and maintenance of these pieces of equipment; Shop equipment, tools and diagnostic equipment and their use; Ignition, carburetion, fuel injection, super-charged systems and hydraulic systems; 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 landfill heavy equipment and County road maintenance equipment; Safe work practices. We recognize your time is valuable, please only apply if you meet the following required qualifications. EDUCATION/EXPERIENCE Four (4) years of increasingly responsible experience performing automotive and heavy equipment maintenance and repair duties comparable to those of a Heavy Equipment Mechanic; 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 In compliance with Environmental Protection Agency (EPA) regulations, possession of an appropriate Motor Vehicle Air Conditioning Certification is required within one year of appointment. Failure to obtain the required certification may result in release from probation or termination; AND Ability to obtain any future regulatory certification requirements; AND ONE OF THE FOLLOWING Equivalent to completion of the twelfth grade and specialized training in the maintenance and repair of gas, CNG and diesel powered equipment; OR Possession of, or ability to obtain, an appropriate, valid Vehicle Inspection Pollution Controls license Proof of education/certifications is required for verification purposes at the time of application. Applicants who are unable to submit proof must call View phone number on click.appcast.io to make other arrangements. Failure to submit proof will result in disqualification. DESIRABLE QUALIFICATIONS Successful completion of diesel mechanics or heavy maintenance and construction equipment vocational education or training courses offered by an accredited college. EXAMINATION PROCESS Application Review and Screening . Applications are carefully screened based on information provided.Thosewho submit incomplete applications that lack relevant qualifications or do not submit all required documents will not be invited to move on. Written Examination . Applicants will be invited to participate in a written exam that tests knowledge for the position. Oral Examination . Applicants are invited to a panel interview in which they will be evaluated by County subject matter experts. Eligible Lists . Candidates who pass the examination will be placed on an eligible list for that classification. Eligible lists are effective for six months, but may be extended up to eighteen months. GENERAL INFORMATION Classification Information Unless otherwise provided, this position is part of the Classified Service of the County and is assigned to the Crafts/Maintenance Institutional bargaining unit for labor relations purposes. The Job Task Analysis provides information detailing the physical and functional demands of the classification. For the complete job task analysis, visit the Risk Management website at under the "Disability" tab. Note: The eligible list generated from this recruitment may be used to fill future full-time vacancies throughout Stanislaus County. Incumbents may also be subject to overtime, standby, callback, weekend, holiday and shift assignments as identified in their MOU (Memorandum of Understanding). RECRUITMENT ACCOMMODATIONS Arrangements may be made to accommodate disabilities and religious convictions. Applicants requiring testing accommodations are required to complete and submit the Testing Accommodations Request Form prior to the test administration date. Special arrangements for religious convictions should be included in the "Additional Information" section of the application form. 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. APPLICATION AND/OR EXAMINATION APPEAL RIGHTS Application and/or examination results may be appealed by applicants presenting facts alleging irregularity, fraud and/or error in application screening or in exam scoring. Appeals must be in writing and submitted to the Chief Executive Officer within seven (7) days after the examination results are emailed. DISCLAIMER Stanislaus County reserves the right to revise the examination plan described in this flyer to better meet the needs of County service. The provisions of this bulletin do not constitute an express or implied contract. Any provision contained in this bulletin may be modified or revoked without notice. The information contained in the bulletin is information which sets forth a general summary of benefits for this respective position. This information is not legally binding. The benefits and other information regarding this position may be found in the Stanislaus County Code, the Stanislaus County Personnel Policies manual, or in the applicable Memorandum of Understanding(s), and such information prevails over information contained in this flyer. Questions regarding this bulletin may be directed to the Stanislaus County Chief Executive Office/Human Relations. #J-18808-Ljbffr