Job Description

EXTENDED FOR INFORMATIONAL PURPOSES ONLY

This announcement has been amended and extended to reflect changes with the application deadline date. Applicants who already applied under recruitment TPV-7372-160266 during the filing period of October 20, 2025, through September 4, 2026, need not to reapply and will be included in the applicant pool.

8/7/26: Extended application deadline to August 21, 2026

8/21/26: Extended application deadline to September 4, 2026

9/4/26: Extended application deadline to September 18, 2026

TYPE OF APPOINTMENT: PROVISIONAL (TPV)

A provisional appointee must participate and be successful in a Civil Service Examination process for this classification and be selected through an open competitive process in order to be considered for a permanent appointment. Provisional appointments may not exceed three (3) years.

Specific information regarding this recruitment process is listed below:

• Application Opening: October 20, 2025
• Application Deadline: September 18, 2026 at 5:00 PM PST
• Salary Range: $141,310.00 
• Recruitment ID: TPV–7372–160266

Working at SFO:

San Francisco International Airport (SFO), an enterprise department of the City and County of San Francisco, has a workforce of approximately 1,900 City employees and is committed to being a diverse, equitable, and inclusive employer .

SFO is more than an airport —we are a dynamic organization where employees collaborate with a wide range of stakeholders to support global travel, economic development, and public service. We are recognized as a leader in environmental sustainability, equity, and forward-thinking infrastructure, and continue to be at the forefront of transforming the travel experience.

Our mission is to deliver an airport experience where people and our planet come first.

Our Vision, Mission, and Core Values shape our culture and operations as we continue to build a supportive, purpose-driven workplace where all employees can thrive.

Learn more about careers at SFO at flysfo.com , and follow us on Facebook , Instagram , YouTube ,  LinkedIn , Bluesky and  Threads .

The San Francisco International Airport (SFO) is seeking a dynamic journey-level Stationary Engineer to join a world class organization. As a Plant Operator and/or plant mechanic, you will be tasked with operating and maintaining a wide variety of complex machinery and equipment in a sewage treatment plant. 

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.

The essential functions of this classification include, but are not limited to, the following:

1. Makes regular visual, audio, olfactory and tactile inspections and/or manual tests of all plant machinery and equipment, including auxiliary equipment, in an assigned area or pumping station, maintaining logs and records of required maintenance, completed maintenance, equipment and work order history by taking periodic readings of gauges and meters to ensure that sewage plant is working safely, efficiently and properly; and to provide an accurate record of maintenance, preventive maintenance, equipment, and work order history.
2. Performs a variety of manual tasks requiring the handling of equipment exposed to raw sewage; collects and performs simple assessments of raw sewage and chemical samples on prescribed schedule at specific locations by making chemical and physical assessments to assess the efficiency of the treatment processes and to ensure compliance with the NPDES Permit (National Pollution Discharge Elimination System, Permit).
3. Operates, inspects, maintains, overhauls and makes major and minor repairs to wide variety of pumping, heating, ventilating, process machinery and equipment in a wastewater treatment plant or pumping station, including pumps, bar racks, grit collectors, conveyors and washers, chlorinators, evaporators and storage tanks, sludge collectors, drive units, deodorizing equipment and a wide variety of metering and recording devices to assure the safety and efficiency of equipment and facilities; includes lubricating and greasing machinery and equipment; cleaning and maintaining machinery, equipment and facility to ensure safety and equipment reliability.
4. Inspects sewage pipelines, tanks and gates to check for the condition of equipment, for infiltration and blockage of debris and build-up of mineral deposits, etc., by draining tanks, by monitoring pressure and flow indicators and by visual inspection to determine any problem areas to ensure proper operation.
5. Operates, inspects and maintains solids treatment and flocculating chemical systems by monitoring and adjusting flow indicators or controllers, by visual inspection and by analysis of samples to ensure optimum treatment.
6. Operates, inspects and maintains disinfection and dechlorination systems by performing tests and analyzing sample to determine proper chemical dosages to ensure that effluent or final discharge meets Regional and State pollution control requirement.
7. May assist in training and in supervising work of apprentices or other trainees by oral instruction and hands-on demonstration in the operation and maintenance of sewage treatment processes to ensure competent performance of required skills by apprentices and other trainees.
8. Perform duties as listed in the 7372 Stationary Engineer, Sewage Plant class specification, which can be found on DHR’s website .

Qualifications

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 considerations taken when reviewing applications. 

1. Experience:

• Four (4) years of verifiable journey-level Stationary Engineer, Plant Operator and/or Plant Mechanic experience in the operation, maintenance, and repair of a variety of mechanical and electrical pumping, heating, air-conditioning, ventilating, and related plant machinery of 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 will not be accepted as qualifying); 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

2. 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

:

The stated desirable

qualifications

may be used to identify job finalists at the end of the selection process when candidates are referred for hiring.

• 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 (2,000 hours of qualifying work experience is based on a 40 hour work week). Any overtime hours that you work above 40 hours per week are not included in the calculation to determine full-time employment.

Applicants may be required to submit verification of qualifying education and experience at any point during the recruitment and selection process. If education verification is required, information on how to verify education requirements, including verifying foreign education credits or degree equivalency, can be found at  .

Note: Falsifying one’s education, training, or work experience or attempted deception on the application may result in disqualification for this and future job opportunities with the City and County of San Francisco.

All work experience, education, training and other information substantiating how you meet the minimum

qualifications

must be included on your application by the filing deadline. Information submitted after the filing deadline will not be considered in determining whether you meet the minimum

qualifications

.

Resumes will not be accepted in lieu of a completed City and County of San Francisco application.

Applications completed improperly may be cause for ineligibility, disqualification or may lead to lower scores.

Verification: Applicants are required to attach verification documentation when submitting their application.

Applicants may be required to submit verification of qualifying education and experience at any point during the recruitment and selection process. If education verification is required, information on how to verify education requirements, including verifying foreign education credits or degree equivalency, can be found at

Selection Procedures : The selection process will include evaluation of applications in relation to minimum requirements. Applicants meeting the minimum

qualifications

are not guaranteed advancement to the interview. Depending on the number of applicants, the Department may establish and implement additional screening mechanisms to comparatively evaluate the

qualifications

of candidates. If this becomes necessary, only those applicants whose

qualifications

most closely meet the needs of the Department will be invited for an interview.

Notes: Applicants who meet the minimum

qualifications

are not guaranteed advancement through all the steps in the selection procedure.

Additional Information

Transportation Security Administration (TSA) Security Clearance: Candidates for employment with the San Francisco Airport Commission are required to undergo a criminal history check, including FBI fingerprints, and Security Threat Assessment in order to determine eligibility for security clearance and may be required to undergo drug/alcohol screening. Per Civil Service Commission Rule Section 110.9.1, every applicant for an examination must possess and maintain the

qualifications

required by law and by the examination announcement for the examination. Failure to obtain and maintain security clearance may be basis for termination from employment with the Airport Commission.

Customs Clearance: This position requires that the incumbent be qualified for unescorted access to the San Francisco International Airport U.S. Customs Security Area. An application for a U.S. Custom Access Seal may be submitted to Customs ONLY after employment has commenced. Employment in this position requires that the incumbent submit an application for, successfully acquire and maintain a Customs Access Seal. Per Civil Service Commission Rule 110.9.1, every applicant must possess and maintain the

qualifications

required by law and by the examination announcement for this examination. Failure to acquire or maintain customs access, a requirement for this position, may be basis for termination from employment with the Airport Commission. Customs Access Seal requirements and procedures are located in the Code of Federal Regulations, Title 19, Part 122, Sections 181 or 189.

Medical Examination: Prior to appointment, candidates must successfully pass a medical examination to determine his/her ability to perform the essential functions of the job and/or the ability to meet the physical minimum requirements.

Additional Information

Regarding Employment with the City and County of San Francisco:

How to Apply:

All job applications for the City and County of San Francisco must be submitted through our online portal. Please visit to begin your application process. No other methods of application will be accepted.

• Select the “I’m Interested” button and follow instructions on the screen

Computers are available for the public (9:00 a.m. to 4:00 p.m. Monday through Friday) to file online applications in the lobby of the Department of Human Resources at 1 South Van Ness Avenue, 4th Floor and at the City Career Center at City Hall, 1 Dr. Carlton B. Goodlett Place, Room 110.

Ensure your application information is accurate, as changes may not be possible after submission. Your first and last name must match your legal ID for verification, and preferred names can be included in parentheses. Use your personal email address, not a shared or work email, to avoid unfixable issues.

Applicants may be contacted by email about this recruitment and, therefore, it is their responsibility to ensure that their registered email address is accurate and kept up-to-date. Also, applicants must ensure that email from CCSF is not blocked on their computer by a spam filter. To prevent blocking, applicants should set up their email to accept CCSF mail from the following addresses (@sfgov.org, @sfdpw.org, @sfport.com, @flysfo.com, @sfwater.org, @sfdph.org, @asianart.org, @sfmta.com, @sfpl.org, @dcyf.org, @first5sf.org, @famsf.org, @ccsf.edu, @smartalerts.info, and @smartrecruiters.com).

Upon successful submission, applicants will receive a confirmation email from notification@careers.sf.gov . Keep this email for your records. If you do not receive it, your application was not submitted successfully.

All your information will be kept confidential according to EEO guidelines.

Recruitment Analyst Information : If you have any questions regarding this recruitment or application process, please contact the analyst Carmen Ng, via email at carmen.ng@flysfo.com

The City and County of San Francisco encourages women, minorities and persons with disabilities to apply. Applicants will be considered regardless of their 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 category under the law.

Job Tags

Permanent employment, Full time, Apprenticeship, Traineeship, Work experience placement, Monday to Friday, Flexible hours, Night shift, Afternoon shift

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