Heavy Duty Mechanic​/Automotive Machinist

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

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• Application Filing Deadline: Updated to January 23, 2026 (previously December 21, 2025; December 7; October 31; October 10, 2025)
• Recruitment : RTF
  0159815 (159817)

The filing deadline has been further extended to January 23, 2026 in order to broaden the candidate pool. Applicants who have already applied to this recruitment do not need to re-apply.

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.

WHO ARE WE?
San Francisco Public Utilities Commission (SFPUC)
Headquartered in San Francisco, we have 2,300 employees operating across eight counties serving more than 2.7 million customers in the San Francisco Bay Area – 24 hours per day, 365 days per year.

Our Mission: To provide our customers with high quality, efficient, and reliable water, power, and wastewater services in a manner that values environmental and community interests and sustains the resources entrusted to our care.

Our Vision: We are an innovative utility leader, recognized for excellent results in service, safety, stewardship, and inclusiveness.

We are an award-winning and industry-leading utilities organization committed to our customers, community interests, and the environment. To learn more about our organization, please visit our website at (Use the "Apply for this Job" box below)..

We are proud of our infrastructure and programs, but most importantly, we value our highly qualified and dedicated workforce which ensures that this vision becomes a reality.

ABOUT WATER SUPPLY AND TREATMENT DIVISION

One of the three largest operating divisions in the Water Enterprise serving 2.7 million residential, commercial, and industrial customers in the Bay Area, the Water Supply and Treatment Division manages a complex water supply and treatment system stretching from the Tesla Treatment Facility in San Joaquin County to San Francisco, featuring a series of reservoirs, tunnels, pipelines, and treatment facilities. The division has a staff of 240 employees and is managed by a team headquartered in Millbrae consisting of a division manager and 5 section managers overseeing its business operations, distribution, engineering, maintenance, and system operations sections.

Project:
Basic Inspection of Terminals (BIT) and Smog Project

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.

• 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.
• 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 go to the site of the breakdown; may tow vehicles.
• Inspects, tests, and reviews vehicles and equipment as part of the preventive maintenance program.
• 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.
• 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 to conduct final inspection of work completed.
• 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…