Water Treatment Plant Operator I

The Metropolitan Water District of Southern California; Los Angeles (CA); On-site; USD 55,000 - 72,000; Full time

Benefits offered by this job

Health insurance

Dental and vision plans

401(k) and 457 plans

Public transportation reimbursements

Job summary

The Metropolitan Water District of Southern California is seeking a Water Treatment Plant Operator I for the Jensen Filtration Plant in Granada Hills, CA. The role supports daily plant operations, adjusts processes to meet water quality goals, and completes required reports using plant computer systems.

Shifts are 12.5 hours with rotation including days and nights. Applicants must have a high school diploma or equivalent and relevant water-related experience, plus CA driver’s license and Water

Qualifications

• Education: high school diploma or equivalent and two (2) years of water related experience or one (1) year experience working at surface water treatment plant.
• Licenses/certifications: valid CA Class C driver’s license and CA Water Treatment Certification Grade II are required at time of application.
• Must have Self Contained Breathing Apparatus, Chemical Responder, and Forklift certifications per job posting.

Responsibilities

• Assist Water Treatment Plant Operators in daily plant operations and related facilities.
• Adjust processes to meet system demands and water quality goals; complete required reports.
• Use computer programs for timekeeping, record-keeping and project tracking; work on 12.5-hour shifts on a rotating basis.

Skills

Water treatment experience

Shift work

Education

High school diploma or equivalent

Job description

Water Treatment Plant Operator I

Job Locations

US-CA-Granada Hills

Job ID

2026-3397

Posted Date

6 hours ago (8/31/2026 8:46 AM)

Minimum Salary

USD $40.01/Hr.

Maximum Salary

USD $52.56/Hr.

Work Schedule

12.5 Fulltime

Eligibility List Locations

This recruitment will be used to build an eligibility list at the following locations: Diemer (Yorba Linda, CA), Mills (Riverside, CA), Lake Skinner (Winchester, CA), Mills (Riverside, CA), and Weymouth (La Verne, CA). This list will be valid for 6 months from the date a candidate accepts the position.

Position Description

The Metropolitan Water District's Water Treatment Group has one opening for Water Treatment Plant Operator I located at the Jensen Filtration Plant (Granada Hills, CA).

As a Water Treatment Plant Operator I, you will be responsible for assisting the Water Treatment Plant Operators in the daily operation of the 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 District operates five conventional treatment plants, that utilizes ozone as its primary disinfectant, that range from 220 MGD to 750 MGD.

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.

EMPLOYMENT STANDARDS

MINIMUM QUALIFICATIONS

Education and Experience: A high school diploma or high school equivalency certificate and two (2) years of water related experience or one (1) year experience working at surface water treatment plant.

CERTIFICATIONS, LICENSES, AND REGISTRATION REQUIREMENTS

• 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

CLOSING

BENEFITS

• 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
• Public transportation reimbursements

ABOUT MWD

The Metropolitan Water District of Southern California is a state-established cooperative that, along with its 26 cities and retail suppliers, provides water for 19 million people in six counties. The district imports water from the Colorado River and Northern California to supplement local supplies, and helps its members to develop increased water conservation, recycling, storage and other resource-management programs.

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 [phone] or email: [e-mail].

Metropolitan is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran, or any other protected characteristic(s).

Application Filing Period: Closes at 4:30 pm PST on the date stated in the job announcement. 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.

Eligibility List*: An eligibility list is a list of qualified candidates created when a job posting states that one will be established.

Candidates who meet the minimum qualifications listed in the original posting and successfully pass all stages of the recruitment process-but are not selected for the initial vacancy-may be placed on this list for future openings.

The list may be used to invite candidates to participate in a selection interview for a future vacancy in the same classification / title (if there is one). The duration of the list depends on the applicable bargaining unit.

Qualifying Experience: Your resume must at a minimum include the month and year you began and ended employment, name of the organization, your title, and a brief description of your experience. If your employment was part-time, make sure you identify it on your resume next to the month/year.

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).