City and County of San Francisco
Stationary Engineer, Sewage Plant (TPV 7372) (SFO) (160266)
City and County of San Francisco, San Francisco, California, United States, 94199
Stationary Engineer, Sewage Plant (TPV 7372) (SFO) (160266)
Application deadline: Multiple extensions – November 14, 2025; December 1, 2025; December 15, 2025; December 29, 2025.
Job Description Under general supervision, incumbents in this journey-level position function as plant operators and/or plant mechanics and are responsible for operating and maintaining a wide variety of complex machinery and equipment in a sewage treatment plant.
Makes regular visual, audio, olfactory and tactile inspections of all plant machinery and equipment, maintains logs and records of required maintenance, completed maintenance, equipment and work order history; takes periodic readings of gauges and meters to ensure safe, efficient and proper operation.
Performs manual tasks exposed to raw sewage; collects and analyzes raw sewage and chemical samples on a prescribed schedule to assess treatment efficiency and ensure compliance with the NPDES Permit.
Operates, inspects, maintains, overhauls and repairs pumping, heating, ventilating, process machinery and equipment, including pumps, bar racks, grit collectors, conveyors, washers, chlorinators, evaporators, storage tanks, sludge collectors, drive units, deodorizing equipment and meters; lubricates, greases, cleans and maintains machinery and facilities.
Inspects sewage pipelines, tanks and gates to check conditions, detect infiltration and blockage, monitor pressure and flow indicators, and identify problem areas.
Operates and maintains solids treatment and flocculating chemical systems by monitoring and adjusting flow indicators or controllers, performing visual inspections and analyzing samples for optimum treatment.
Operates and maintains disinfection and dechlorination systems by testing and analyzing samples to determine proper chemical dosages; ensures effluent meets regional and state pollution control requirements.
May assist in training and supervising apprentices or other trainees through oral instruction and hands‑on demonstration.
Performs duties as listed in the 7372 Stationary Engineer, Sewage Plant class specification, available on DHR’s website.
Qualifications Every application is reviewed to ensure that you meet the minimum qualifications as listed:
Four (4) years of verifiable journey‑level Stationary Engineer, Plant Operator and/or Plant Mechanic experience in the operation, maintenance, and repair of pumping, heating, air‑conditioning, ventilating and related plant machinery of a wastewater treatment plant, government establishment, hospital, industrial, production or commercial building; OR
Completion of a recognized four‑year Stationary Engineer Apprenticeship Program; OR
Graduation from a recognized four‑year Maritime Academy with a degree in Engineering or Technology; OR
Possession of at least a 3rd Assistant Marine Engineer’s License of any unrestricted horsepower (experience as an oiler or firetender not accepted); OR
Possession of an FAA Airframe or Power Plant Certificate AND four (4) years of verifiable experience in an Airframe or Powerplant mechanic or maintenance technician capacity that utilizes the certificate; AND
License and Certification: Possession of a valid driver’s license; AND
Grade I or higher California Wastewater Treatment Plant Operator Certificate or Grade I or higher California Water Environment Mechanical Technology Certificate.
Desirable Qualifications
Grade II or higher California Wastewater Treatment Plant Operator Certificate.
California Advanced Water Treatment Operator Certificate (AWTO).
Experience working in a wastewater treatment plant.
Availability to work flexible shifts, including evenings, overnights, weekends and holidays.
Applicants must meet the minimum qualification by the final filing date unless otherwise noted. One year full‑time employment is equivalent to 2,000 hours. Overtime hours above 40 hours per week are not included in the calculation.
Applicants may be required to submit verification of qualifying education and experience at any point during the recruitment and selection process. See
https://sfdhr.org/how-verify-education-requirements .
Falsifying one’s education, training or work experience or attempting deception may result in disqualification.
All submitted information must be included by the filing deadline. Resumes will not be accepted in lieu of a completed City and County application.
Verification Applicants are required to attach verification documentation when submitting their application.
Selection Procedures Selection will include evaluation of applications relative to minimum requirements. Applicants meeting the minimum qualifications are not guaranteed advancement. Additional screening may be applied if necessary.
How to Apply All job applications must be submitted through the City and County of San Francisco online portal at
https://careers.sf.gov/ . No other methods of application will be accepted.
Select the “I’m Interested” button and follow the on‑screen instructions. Ensure your application information is accurate and your email address is not blocked. The confirmation email will be sent from
notification@careers.sf.gov .
Equal Employment Opportunity The City and County of San Francisco encourages women, minorities and persons with disabilities to apply. Applicants will be considered regardless of sex, race, age, religion, color, national origin, ancestry, physical disability, mental disability, medical condition (associated with cancer, a history of cancer, or genetic characteristics), HIV/AIDS status, genetic information, marital status, sexual orientation, gender, gender identity, gender expression, military and veteran status, or other protected categories under the law.
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Job Description Under general supervision, incumbents in this journey-level position function as plant operators and/or plant mechanics and are responsible for operating and maintaining a wide variety of complex machinery and equipment in a sewage treatment plant.
Makes regular visual, audio, olfactory and tactile inspections of all plant machinery and equipment, maintains logs and records of required maintenance, completed maintenance, equipment and work order history; takes periodic readings of gauges and meters to ensure safe, efficient and proper operation.
Performs manual tasks exposed to raw sewage; collects and analyzes raw sewage and chemical samples on a prescribed schedule to assess treatment efficiency and ensure compliance with the NPDES Permit.
Operates, inspects, maintains, overhauls and repairs pumping, heating, ventilating, process machinery and equipment, including pumps, bar racks, grit collectors, conveyors, washers, chlorinators, evaporators, storage tanks, sludge collectors, drive units, deodorizing equipment and meters; lubricates, greases, cleans and maintains machinery and facilities.
Inspects sewage pipelines, tanks and gates to check conditions, detect infiltration and blockage, monitor pressure and flow indicators, and identify problem areas.
Operates and maintains solids treatment and flocculating chemical systems by monitoring and adjusting flow indicators or controllers, performing visual inspections and analyzing samples for optimum treatment.
Operates and maintains disinfection and dechlorination systems by testing and analyzing samples to determine proper chemical dosages; ensures effluent meets regional and state pollution control requirements.
May assist in training and supervising apprentices or other trainees through oral instruction and hands‑on demonstration.
Performs duties as listed in the 7372 Stationary Engineer, Sewage Plant class specification, available on DHR’s website.
Qualifications Every application is reviewed to ensure that you meet the minimum qualifications as listed:
Four (4) years of verifiable journey‑level Stationary Engineer, Plant Operator and/or Plant Mechanic experience in the operation, maintenance, and repair of pumping, heating, air‑conditioning, ventilating and related plant machinery of a wastewater treatment plant, government establishment, hospital, industrial, production or commercial building; OR
Completion of a recognized four‑year Stationary Engineer Apprenticeship Program; OR
Graduation from a recognized four‑year Maritime Academy with a degree in Engineering or Technology; OR
Possession of at least a 3rd Assistant Marine Engineer’s License of any unrestricted horsepower (experience as an oiler or firetender not accepted); OR
Possession of an FAA Airframe or Power Plant Certificate AND four (4) years of verifiable experience in an Airframe or Powerplant mechanic or maintenance technician capacity that utilizes the certificate; AND
License and Certification: Possession of a valid driver’s license; AND
Grade I or higher California Wastewater Treatment Plant Operator Certificate or Grade I or higher California Water Environment Mechanical Technology Certificate.
Desirable Qualifications
Grade II or higher California Wastewater Treatment Plant Operator Certificate.
California Advanced Water Treatment Operator Certificate (AWTO).
Experience working in a wastewater treatment plant.
Availability to work flexible shifts, including evenings, overnights, weekends and holidays.
Applicants must meet the minimum qualification by the final filing date unless otherwise noted. One year full‑time employment is equivalent to 2,000 hours. Overtime hours above 40 hours per week are not included in the calculation.
Applicants may be required to submit verification of qualifying education and experience at any point during the recruitment and selection process. See
https://sfdhr.org/how-verify-education-requirements .
Falsifying one’s education, training or work experience or attempting deception may result in disqualification.
All submitted information must be included by the filing deadline. Resumes will not be accepted in lieu of a completed City and County application.
Verification Applicants are required to attach verification documentation when submitting their application.
Selection Procedures Selection will include evaluation of applications relative to minimum requirements. Applicants meeting the minimum qualifications are not guaranteed advancement. Additional screening may be applied if necessary.
How to Apply All job applications must be submitted through the City and County of San Francisco online portal at
https://careers.sf.gov/ . No other methods of application will be accepted.
Select the “I’m Interested” button and follow the on‑screen instructions. Ensure your application information is accurate and your email address is not blocked. The confirmation email will be sent from
notification@careers.sf.gov .
Equal Employment Opportunity The City and County of San Francisco encourages women, minorities and persons with disabilities to apply. Applicants will be considered regardless of sex, race, age, religion, color, national origin, ancestry, physical disability, mental disability, medical condition (associated with cancer, a history of cancer, or genetic characteristics), HIV/AIDS status, genetic information, marital status, sexual orientation, gender, gender identity, gender expression, military and veteran status, or other protected categories under the law.
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