Heavy Duty Mechanic/Automotive Machinist (7323) – Water Supply & Treatment Division – San Francisco Public Utilities Commission – (Exempt)

City and County of San Francisco
Millbrae, CAPosted 7 April 2026

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Job Description

Project: Basic Inspection of Terminals (BIT) and Smog Project   Location: Millbrae Yard, 1000 El Camino Real, Millbrae, CA Hours: Monday – Friday, 7:00 am – 3:30 pm Under general supervision, performs skilled machinist work in the maintenance, repair and overhaul of heavy-duty and off-road vehicles and power-driven equipment, such as diesel trucks and buses, firefighting vehicles, compressors, generators, graders, backhoes, tractors, small engines (lawn mowers, etc.) and electric motors (on carts, etc.) and performs related duties as required. Essential Functions: 1. Maintains, repairs, overhauls, and services heavy-duty and off-road vehicles and power-driven equipment using hand tools, power tools and machine tools such as lathes, drill presses, grinders, boring bars, valves refining tools and other machine tools. 2. Designs, fabricates and welds parts. 3. Maintains records of equipment mileage, service/repair logs, materials and parts logs, and equipment and parts orders. 4. Responds to incoming emergency calls and may go to the site of the breakdown; may tow vehicles. 5. Inspects, tests, and reviews vehicles and equipment as part of the preventive maintenance program. 6. Diagnoses malfunctions using test equipment, manufacturers specifications and repair manuals, and observation both in the shop and in the field in order to determine needed repairs. 7. Orders supplies, parts and materials necessary for the maintenance, repair and servicing of equipment and vehicles. 8. Drives city vehicles and operates equipment to diagnose malfunctions and to conduct final inspection of work completed. 9. Performs other related duties as assigned to Class 7323. Nature of the work: Involves some physical effort and considerable dexterity in the use of the fingers, limbs and body; continuous exposure to physical and working conditions where minor injuries may occur. May be required to work nights, weekends and/or holidays. Minimum Qualifications: Applicants must meet the minimum qualification requirement by the final filing date unless otherwise noted. Education: High school diploma or equivalent (GED or High School Proficiency Examination), AND Experience: A combination of journey-level experience and/or apprenticeship training as an automotive machinist or heavy-duty mechanic totaling six (6) years in which the major duties were disassembling, repairing, overhauling and installing mechanical, electrical and hydraulic assemblies in heavy duty and off-road vehicles and power-driven equipment. To be considered qualifying, this experience must include the use of machine tools such as valve re-facers, hydraulic and drill presses, lathes and grinders, AND License and Certification: Possession of at least a Class C (or III) driver license at the time of application; and the candidate must be able to obtain a Class A (or I) driver license with Medical Certificate within twelve (12) months of the time of appointment. Failure to maintain the required license may be cause for termination. Experience Substitution: Completion of a CA Division of Apprenticeship Standards recognized Automotive Machinist apprenticeship program as evidenced by issuance of a Certificate of Completion of the apprenticeship program under the appropriate authority will substitute for the six (6) years combined work experience. Desirable Qualifications: The stated desirable qualifications may be considered at the end of the selection process when candidates are referred for hiring: Possession of a valid Class A driver’s license Experience working with heavy duty diesel equipment Experience using computer software such as Maximo Verification of Education and Experience: Every application is reviewed to ensure that you meet the minimum qualifications as listed in the job ad. Please review our articles on  Employment Application and Minimum Qualifications  and  Verification of Experience and/or Education  for consideration ... (truncated, view full listing at source)
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