Inland Empire Utilites Agency

Senior Wastewater Treatment Plant Operator

Onsite - Chino, CA
Application Deadline: 5/1/24

There are (2) vacancies in the Operations Unit.

This recruitment is being conducted to fill (2) vacancies and will establish an eligibility list which may be used to fill future vacancies as they occur during the active status of the eligibility list.

Salary Range: OP 181

FLSA: Non-Exempt

Probationary Period: 12 months


To apply online NOW, CLICK HERE.



At the Inland Empire Utilities Agency, our employees have incredible opportunities to work on innovative systems that impact people’s lives around the region. Our commitment and innovative spirit have enabled us to be at the forefront of numerous technological advancements in wastewater management. We are looking for an individual who have the innovative drive to join our agency to help sustain the future of our limited resources and most importantly have fun during the process. Our culture thrives on continuous learning, collaboration, efficiency, safety and respect. We want an individual who has a strong passion to help preserve the scarcity of clean water and strive to do the impossible. If you are a certified Wastewater Treatment Plant Operator Grade III or higher, apply online today to join our team!



Under limited supervision, leads and participates in the work of other employees engaged in the operation, inspection and minor maintenance and repair of wastewater treatment facilities and equipment; ensures the treatment process meets regulatory compliance guidelines and Agency performance standards; serves in on-call status at multiple facilities and responds to/resolves plant problems and performs related duties as assigned.



A Senior Wastewater Treatment Plant Operator is the senior advanced skill level and working lead class in the Wastewater Treatment Plant Operator series. Incumbents at this level require demonstrated ability to perform the most advanced functions including performing complex analysis of the operations and developing appropriate solutions and participates in a variety of special projects. In addition, incumbents serve as the working lead person of other Wastewater Treatment Plant Operators assigned to the treatment plant, coordinating and overseeing their work and providing guidance, training and oversight as they carry out treatment plant operations, maintenance and repair duties. A Senior Wastewater Treatment Plant Operator plays a lead role in facilitating plant process shutdowns and startups.

Employees at this level are required to be fully trained in all procedures related to the assigned area of responsibility. Work is performed independently with only the most complex problems being referred to the Operations Supervisor. Work is typically reviewed by checks of logs, reports and periodic inspections of the plant treatment facilities.

Employees in this class reports to Operations Supervisors and provides lead work direction and guidance to Wastewater Treatment Plant Operators.

Senior Wastewater Treatment Plant Operator is distinguished from Operations Supervisor in that the latter class is a full supervisor.


Who We Are:

An Employer of Choice in the Inland Empire

The Inland Empire Utilities Agency (IEUA) secures and supplies supplemental water; collects and treats wastewater; produces high quality renewable products such as recycled water, compost and energy; and promotes the sustainable use of groundwater and development of local water supplies. IEUA serves approximately 935,000 residents in a 242-square mile service area in western San Bernardino County, California. As a regional wastewater treatment agency, IEUA provides sewage utility services to seven contracting agencies and provides wholesale imported water to seven retail agencies. IEUA owns and operates four facilities specializing in regional water recycling services. The facilities take in approximately 50 million gallons of wastewater per day for treatment, producing high-quality recycled water. IEUA also manages the recharge of recycled, storm and imported water through the Chino Basin Groundwater Recharge Program and coordinates regional water-use efficiency and education programs. IEUA is committed to meeting the needs of the region by providing essential services in a regionally planned and cost-effective manner while safeguarding public health, promoting economic development and protecting the environment.

Excellent Benefits Package:

Social Security, CalPERS, 457 Deferred Compensation Plans, Competitive Salaries, Certification Incentives, Health, Dental, Vision, & Life Insurance w/Agency-paid monthly contribution of $1,180 – $1,808 per month, Paid time off for holidays, vacation, bereavement and sick leave. Additional information is available on our website at:


Job Requirements:


Graduation from high school or GED equivalent with additional college-level coursework in chemistry, biology and wastewater and/or water treatment technology and at least four years of progressively responsible experience in skilled, journey-level wastewater treatment plant operation; or an equivalent combination of education, training and experience.


A valid California Class C driver’s license and the ability to maintain insurability under the Agency’s vehicle insurance program.

California State Water Resources Control Board Wastewater Treatment Plant Operator Grade III, IV or V certification is required at promotion.

California State Water Resources Control Board Water Distribution and/or Treatment Operator certifications are desirable.

Annual certification for CPR, First Aid, HAZWOPER, forklift and confined-space entry training. Annual completion of Self-Contained Breathing Apparatus face fit per OSHA requirements is required at time of appointment and during the course of employment. The employee may be required to wear other types of respirators, dust, particulate or cartridge masks dependent upon the work environment.



APPLY ONLINE.  This recruitment closes on May 01, 2024. Applications must be completed and submitted electronically. Handwritten applications will not be accepted. A complete job description, online Agency Employment Application, and Supplemental Questionnaire is available online at: (click on Job Openings).


An Equal Opportunity Employer 

To apply online NOW, CLICK HERE.

Recruiter Information:

Raymond Lam