The Metropolitan Water District of Southern California

Water Treatment Plant Operator I

Job Locations US-CA-Granada Hills
Job ID 2023-2550
Posted Date
3 weeks ago(11/15/2023 1:38 PM)
Application Filing Period
November 16, 2023 - December 16, 2023 @ 4:30 pm PT
# of Openings
USD $34.04/Hr.
USD $44.72/Hr.
Work Schedule (Days/Hours)

As a Water Treatment Plant Operator I, you will be responsible for assisting the Water Treatment Plant Operators in the daily operation of the Jensen Water Treatment Plant processes and all associated facilities, structures, and equipment. Additional duties include: adjust processes to meet system demands and water quality goals; complete necessary reports; and use computer programs for timekeeping, record-keeping and project tracking.


The Jensen plant has a total capacity of 750 MGD and is the second largest water treatment plant in the United States. It utilizes conventional treatment with tri media filtration and disinfection by ozone, chlorine, and chloramines. The plant processes and associated facilities are monitored through a Supervisory Control and Data Acquisition (SCADA) system.


Expectations of Hours of Service, Emergency and Stand-by Service: Employees in this position may be required to work rotating shifts and/or stand-by service to address operational needs and emergencies as required. May be required to work extended periods away from the normal reporting location. Must be able to work rotating shifts.


Work Schedule: 12.5-hour day and night shifts on a rotational basis. Working on holidays may also be required. Please note, at times the District may change employees on a 12.5 hour shift schedule to a 4-10 schedule (four consecutive 10 – hour day shifts).


This job announcement has been designed to indicate the general nature and level of work being performed by employees in this classification / job.

To view the full job description click here: Water Treatment Plant Operator I




Education and Experience: High school diploma or high school equivalency certificate (HSEC) and two years of water related experience or one year experience working at surface water treatment plant.


Relevant Experience is defined as:The operation or monitoring of any combination of the following water systems: potable water treatment plant, potable water distribution system, wastewater treatment plant, wastewater distribution system, recycled water treatment plant, recycled water distribution system. 




License(s): Valid California Class C Driver’s License or equivalent (required at time of application) that allows you to drive during your employment.


  • State of California Water Treatment Certification Grade II (Required at time of application)
  • Self-Contained Breathing Apparatus Certification
  • Chemical Responder Certification
  • Forklift Certification



30% Ability to Learn
25% Technical knowledge/skills of water treatment processes and procedures including: storing, transferring, and mixing chemicals; monitoring filters and operating equipment; collecting water samples; and, maintaining operational logs.
25% Interpersonal Effectiveness / Teamwork
10% Oral Skills
5% Job Preparation (education, experience, and training relevant to the position)
5% Written Communication Skills
100% Total




• Competitive compensation 
• Excellent medical, dental, life, vision plans. 
• Deferred compensation in the form of a 401(k) plan (with matching contribution) and a 457 plan. 
• Retirement benefits under the California Public Employees' Retirement System 
• Tuition reimbursement 
• Training and advancement opportunities 
• Excellent working environment 

• On-site fitness center

• Hub of public transportation: rail, subway, buses, and taxis
• Public transportation reimbursements and van pools


For more information on MWD benefits, please use the following link: Benefits Regular FT PT Employees (Represented)




The Metropolitan Water District of Southern California is a consortium of 26 cities and water districts that provides drinking water to nearly 19 million people in Southern California. Metropolitan’s mission is to provide its service area with adequate and reliable supplies of high quality water to meet current and future needs in an environmentally and economically responsible way. Metropolitan’s facilities include the 242-mile Colorado River Aqueduct, five water treatment plants with a combined capacity of 2.3 billion gallons per day, nine surface water reservoirs, 830 miles of pipeline, and 15 hydroelectric power plants.


The Metropolitan Water District of Southern California is committed to providing reasonable accommodations to qualified individuals with disabilities. Qualified individuals with disabilities, who need a reasonable accommodation during the application or selection process, please call (213) 217-7738 or email


MWD is a Federal and State EO employer – Veterans/Disabled and other protected categories.


Application Filing Period: Closes at 4:30 pm PST on the date stated in the job. However it may close prior to the filing end date if sufficient applications have been received. If sufficient applications have not been received, then the filing period end date may be extended.


Sponsorship: Applicants for employment with The Metropolitan Water District of Southern California must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States (i.e., H1-B or other employment-based immigration case).


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