Plant Technician Supervisor positions plan, assign, supervise, and participate in the work of an assigned crew engaged in the maintenance, overhaul, repair, and installation of water/wastewater/potable reuse treatment plant and pump station machinery and equipment, including: Air compressors, high pressure hydraulic systems, pumps and piping systems, chemical feed equipment (e.g., liquid chlorine evaporators, gaseous chlorinators), boilers, heat exchangers, and diesel and gasoline-powered engines; install and align heavy motors and equipment; supervise staff; enforce safety regulations; oversee the work of contractors; rate, train, and evaluate the work of subordinates; and perform other duties as assigned.

NOTES:

Eligible benefitted employees originally hired on or after July 10, 2021, will be automatically enrolled in the San Diego City Employees Retirement System (SDCERS).
Plant Technician Supervisor employees will be required to obtain and maintain confined space entry certification within six months from date of hire.
Plant Technician Supervisor employees must remain clean shaven and be able to pass a respirator fit-test for entry into confined spaces and chlorine environments.
Plant Technician Supervisor employees may be required to work overtime including weekends, evenings and holidays.
Plant Technician Supervisor employees may be required to work on an on-call basis for which they may receive 5% additional pay.
Plant Technician Supervisor positions involve exposure to noxious chemicals and other hazardous substances.
Plant Technician Supervisor positions may also require work in a treated sewage, raw sewage or chlorine environment, in high places, tanks, silos, basin tanks, channels, and confined spaces.

You must meet the following requirements on the date you apply, unless otherwise indicated.

EXPERIENCE: You must meet ONE of the following options:

One year of full-time experience as a Plant Technician III with the City of San Diego.
Four years of full-time experience maintaining, overhauling, repairing, and installing mechanical equipment at a water treatment facility, wastewater facility, major pump station, or industrial processing facility employing similar technology, of which one year MUST have been in a lead position at a level equivalent to a Plant Technician III with the City of San Diego (a position that performs difficult maintenance, overhaul, repair and installation work on a wide variety of complex water and sewage mechanical equipment and leads a crew in the repair and maintenance of such equipment). Qualifying experience MUST include working on the following mechanical equipment:

Pumps
Valves
Piping systems
Compressors
Gear drive units/speed reducers
Chemical feeders
Blowers

NOTES:

Preventive maintenance work only (e.g., changing oil, lubing, or removing and replacing parts) is NOT qualifying.
City of San Diego employees using Out-of-Class Assignment (OCA) experience to qualify must submit written documentation signed by their appointing authority or payroll specialist, detailing the work performed, dates, and total number of qualifying OCA hours. OCA experience without the required documentation will NOT be considered.

LICENSE: A valid California Class C Driver License is required at the time of hire.

HIGHLY DESIRABLE:

Possession of a valid California Water Environment Association (CWEA) Plant Maintenance, Mechanical, and/or Electrical Technology Grade IV Certification.
Experience with Microsoft Office, Excel, Word, and written communications.
Experience working with a Computerized Maintenance Management System.

REQUIRED DOCUMENTS (MUST SUBMIT WITH APPLICATION):

For City of San Diego employees, proof of Out-of-Class Assignment (OCA), if utilized to meet the minimum requirements.

Required documents should be attached electronically to your application. If you are unable to attach at the time of application submittal, you must submit them as soon as possible via fax: (619) 533-3337; or to the Employment Information Center: City of San Diego Personnel Department, 1200 Third Avenue - Suite 300, San Diego, CA 92101. Include your name and the title of the position for which you are applying.Please ensure all information is complete and accurate as the responses you provide on the supplemental questions will be reviewed using an automated evaluation system. If you are successful in this initial screening process, your application will be reviewed for applicable education, experience, and/or training to ensure all minimum requirements have been met. Successful candidates will be placed on a list which will be used to fill position vacancies during the next six months (180 days). For each vacancy, only those candidates with the most appropriate qualifications will be contacted by the hiring department for an interview.PRE-EMPLOYMENT REQUIREMENTS: Employment offers are conditional pending the results of all screening processes applicable to this position, which may include the following: confirmation of citizenship or legal right to work in the United States; completion of a pre-employment medical review and exam (which may include drug and alcohol testing); reference checks; and fingerprinting. Fingerprints will be submitted to the Federal Bureau of Investigation and the California Department of Justice for a conviction record report. Certain positions may require additional screening processes, which may include a polygraph examination and/or background investigation. All of these processes must be successfully completed before employment begins. A positive test for alcohol, cannabis/marijuana, illegal drugs, or inadequately explained prescription drugs, or misrepresentation, falsification, or omission of pertinent facts in any step of the screening or selection process, may be cause for disqualification or termination of employment. Nothing in this job posting constitutes an express or implied contract for employment with the City of San Diego. Candidates must notify the Personnel Department of any change in their name, mailing address, email address, or phone number, otherwise they may miss employment opportunities.

Rev. 3 - June 12, 2026 (New Recruitment Date)

Plant Technician Supervisor

Job Description

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