Production Distribution Maintenance Operator

City of Cerritos | Cerritos, CA

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Posted Date 1/12/2023

Under direction of the Water Supervisor, is responsible for maintenance of pumping operations at well sites, booster stations, and sewer lift stations; maintaining adequate reservoir levels, adjusting water flow from the Metropolitan Water District and providing necessary water treatment so as to provide, store and distribute safe potable water for consumers, and performs related work as required.

Job Characteristics:  Will work a varying schedule of hours, which may include mornings, nights, weekends and holidays (including assignment to the night shift on an as-needed basis.  Responds to emergency calls on a standby and call-back basis.  Employee must be able to respond to emergency calls within a thirty (30) minute period.

Examples of Duties:

  • Monitors and controls amount of chlorine and phosphate added to the water system.
  • Performs daily residual testing of chlorine, phosphate and other chemicals as required.
  • Monitors and regulates flows at the Metropolitan Water District connection, booster stations, sewer lift stations, and  wells; interconnects with other water suppliers.
  • Monitors and regulates reservoir levels.
  • Performs efficiency tests on pumping equipment.
  • Assesses problems and repairs technical equipment such as meters, chlorinators, pressure-reducing valves, pump control valves and related equipment.
  • Assesses problems and performs preventive and operational maintenance on pumps, engines, SCADA equipment, electric motors, electrical switch gear, chlorine residual analyzers and other related equipment.
  • Installs new pumping and testing equipment.
  • Troubleshoots equipment failures.
  • Operates water system manually or through a SCADA control system.
  • Checks and monitors sewer lift stations.
  • Repairs sewer lift station equipment as required.
  • Works with sewer contractor on sewer lift station cleaning, maintenance and troubleshooting.
  • Collects water quality samples as required.
  • Responds to hazardous material spills.
  • Repairs leaks to chlorinating equipment.
  • Answers customer complaints and questions.
  • Safely handles, transports and replenishes chemicals using a full face respirator as necessary.
  • Cleans, maintains, paints, and repairs pump houses, pipelines, tanks, engines, motors and other facilities as required.
If assigned to the 3:00 p.m. to 11:30 p.m. position, typical duties can include:
  • Performing water service repairs and maintenance on water mains, water services, fire hydrants and other water facilities.
  • Assisting in determining water line leaks, high bills and water outages.
  • Performing routine check of street lights and prepares a status report.
  • Performs related work as required.

Knowledge of:

  • Water quality, treatment requirements, chlorine and chloramine use.
  • Water pump operation, system hydraulics, valves and pumps.
  • Natural gas-operated engines and related emissions control equipment.
  • Electric motors, switchgear and other electrically-operated equipment.
  • Tools and equipment used in troubleshooting and maintaining water pumping plants, sewer lift stations, SCADA and electrical equipment.
  • Safe work practices, including safe use of chlorine gas.
  • Confined space entry and lockout/blockout programs.
  • SCADA and personal computer operation.
  • Basic principles of mathematics and chemistry.
  • Health standards for potable water.
  • Sampling methods and techniques.

Ability to:

  • Prepare water related reports.
  • Work independently and utilize discretion in contacting supervisors.
  • Operate a variety of water maintenance tools and equipment.
  • Install, troubleshoot, repair and perform preventive maintenance on various water utility equipment.
  • Maintain cooperative working relationships with employees and the public.
  • Wear Class "A" suits, full face respirators and self-contained breathing apparatus.  Must be clean-shaven in a manner so as not to interfere with the seal of respiratory protective equipment (California Code 5144).
  • Determine water treatment dosage to maintain water quality requirements.


PHYSICAL DEMANDS AND WORK ENVIRONMENT:  While performing the duties of this job, the employee is regularly required to use hands and fingers, to handle, feel or operate objects, tools, or controls, and reach with hands and arms.  The employee has full exposure to the elements, drives a vehicle on City business, and may crouch, sit, stand and walk significant distances on a regular basis.  The employee is occasionally required to walk on slippery and/or uneven surfaces, sit, climb, or balance, stoop, kneel, crouch, or crawl; and smell.  The employee is also required to perform strenuous physical labor for extended periods of time requiring physical strength, dexterity and endurance.  When in the field, the employee may be exposed to vegetation, dust, soil, and vehicular traffic.  The employee must frequently lift and/or move up to 50 pounds and occasionally lift and/or move up to 100 pounds.  Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.
The employee regularly works in outside weather conditions exposed to direct sunlight, heat, humidity, rain, wind and cold.  The employee frequently works near moving mechanical parts, vibration, and automotive traffic while working in and around streets, curbs, gutters and median strips.  The employee is exposed to noisy equipment such as natural gas pump engines, diesel engines, backhoe, compressor, jackhammer, motorized cut off saw, chain saw, and other various hand-held power tools.  The employee is occasionally exposed to high-voltage electricity, fumes, airborne particles, toxic or caustic chemicals, vehicle or machinery exhaust fumes, dust, engine grease, solvents and oils.
TRAINING AND EXPERIENCE:  Any combination of education and experience that would provide the required knowledge and abilities.  A typical way to obtain these would be:  graduation from high school with five (5) years experience in the operation and maintenance of a water system and water pumping plants.

Current work schedule is Monday through Friday 3:00 p.m. to 11:30 p.m.

This position may close at anytime without notice.  Applications will be accepted on a CONTINUOUS BASIS until the position is filled.

The following certificates are required:

  1. T-2 Water Treatment Certificate, issued by the State of California Water Resources Control Board.
  2. D-3 Water Distribution Certificate, issued by the State of California Water Resources Control Board.

Salary: $31.07-$38.19/hr

 A valid California driver's license is required. 


Job Category
Local Government
Career Level
Entry Level

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