Heavy Duty Mechanic​/Automotive Machinist Water Supply & Treatment Division – San Franc

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

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Application Opening:
September 15, 2025. Application Filing (updated). Recruitment  (159817).

Appointment Type: Temporary Exempt. This position is excluded by the Charter from the competitive Civil Service examination process and shall serve at the discretion of the Appointing Officer. The duration of the appointment shall not exceed 36 months.

San Francisco Public Utilities Commission (SFPUC) headquarters in San Francisco serves more than 2.7 million customers across eight counties, 24 hours per day, 365 days per year. Our mission is to provide high-quality, efficient, and reliable water, power, and wastewater services while valuing environmental and community interests. We are an award‑winning, industry‑leading utility committed to safety, stewardship, and inclusiveness.

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—including diesel trucks and buses, firefighting vehicles, compressors, generators, graders, backhoes, tractors, small engines, and electric motors.

• 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, and valve refining tools.
• Designs, fabricates, and welds parts.
• Maintains records of equipment mileage, service/repair logs, materials and parts logs, and equipment and parts orders.
• Responds to incoming emergency calls and may travel to the site of a breakdown; may tow vehicles.
• Inspects, tests, and reviews vehicles and equipment as part of the preventive maintenance program.
• Diagnoses malfunctions using test equipment, manufacturer specifications, repair manuals, and observation both in the shop and in the field to determine needed repairs.
• Orders supplies, parts, and materials necessary for the maintenance, repair, and servicing of equipment and vehicles.
• Drives city vehicles and operates equipment to diagnose malfunctions and conduct final inspection of work completed.
• Performs other related duties as assigned to Class 7323.

Involves physical effort and dexterity of 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.

Education: High school diploma or equivalent (GED or High School Proficiency Examination).

Experience: A combination of journey‑level experience and/or apprenticeship training as an automotive machinist or heavy‑duty mechanic totaling six (6) years. Experience must include the use of machine tools such as valve re‑facers, hydraulic and drill presses, lathes, and grinders.

License and Certification: Possession of at least a Class C (or III) driver license at the time of application; capability to obtain a Class A (or I) driver license with Medical Certificate within twelve (12) months 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, evidenced by issuance of a Certificate of Completion, substitutes for the six (6) years of combined work experience.

• Possession of a valid Class A driver’s license.
• Experience working with heavy‑duty diesel equipment.
• Experience using computer software such as Maximo.

All applications are reviewed to ensure minimum qualifications. Applicants may be required to submit verification of…