Los Angeles County Sanitation Districts

Treatment Plant Operator II

Onsite - Various, CA
$75K - $125K Annually
Application Deadline: 5/24/24

   The Sanitation Districts own and operate one of the largest wastewater recycling programs in the world. We have a long history of providing affordable, high-quality recycled water to help meet the water supply needs within the Sanitation Districts’ service area.

    Our ten water reclamation facilities produce treated and disinfected recycled water, most of which essentially meets drinking water standards. Each day, the Sanitation Districts produce recycled water that is a safe, affordable, and drought-resilient resource for residents and businesses. This water is used for industrial, commercial, and recreational applications such as groundwater replenishment, agriculture irrigation, industrial processes, and irrigation of parks and schools. We are proud to be recognized as a leader in water recycling and contribute towards a more sustainable Southern California.

    The Districts are now seeking TREATMENT PLANT OPERATOR II candidates to fill our vacancies at Valencia and Whittier.

  • Valencia – Vacancies may have day shift, graveyard, and roving schedules.
  • San Jose Creek in Whittier – Vacancy has a roving schedule. Employees in this position are required to work various schedules and shifts.

Swing shift pay includes a bonus equivalent to five- and one-half percent (5½ %) for each hour worked. Graveyard shift pay includes a bonus equivalent to eight- and one-half percent (8½ %) for each hour worked. 

    TREATMENT PLANT OPERATOR II employees are required to lead a crew, coordinate, and participate in water reclamation operations functions of a crew at a wastewater treatment plant.

JOB DESCRIPTION:    Under the general supervision of a Supervisor of Treatment Plant Operations, incumbents lead other operators and perform the more difficult operational duties, including touring assigned area to ensure that all stations are functioning properly; specifying and reviewing work procedures; providing instructions or training to maintain efficiency, safety and technical adequacy; implementing special operating orders; checking operating logs and charts for proper entries and evaluating instrument readings; evaluating laboratory data to ensure plant operation is within prescribed parameters; reporting plant irregularities or needed repairs and recommending corrective action; assigning and overseeing workers performing routine plant maintenance; ordering parts and supplies; training other crew members; keeping employee time records; scheduling and conducting plant tours; participating in the work of the crew; performing basic maintenance duties; driving to other work sites; and performing related duties as required.


  • Valid California Class C driver license
  • High school diploma or equivalent (passing an approved General Educational Development Test or obtaining a Certificate of Proficiency issued by the Board of Education in accordance with section 48412 of the Education Code) due to the California State certification requirements.
  • Grade III, or higher, Wastewater Treatment Plant Operator Certificate issued by the California State Water Resources Control Board by date of appointment.
  • Two and a half years of experience performing full-time qualifying treatment plant operator duties.
  • Note: Applicants must be able to provide annual evidence of medical fitness.

EXAMPLES OF ASSESSMENT CRITERIA: The competitive selection process may cover:

  • Knowledge of: The principles of operation and maintenance of sewage treatment and sludge disposal plants and equipment; safe work practices; various sewage treatment and sludge processing techniques and the results to be obtained at the various stages; chemical/biological reactions in the process; and principles and practices of supervision and training.
  • Ability to: Interpret plant instruments and analyze laboratory data to recommend or make proper adjustments; maintain records and prepare reports; schedule, evaluate and provide technical guidance to others; operate any assigned area of the treatment plant; and coordinate operational activities of a treatment plant.


  • All applications will be reviewed to determine if the conditions and qualifications for testing are met. 
  • The selection process will consist of a written test weighted at 50% and/or an interview weighted at 50%.
  • Candidates must receive a qualifying score on each selection component to move forward in the selection process.

    Please apply online at www.lacsd.org within the application period. Resumes will not be accepted in lieu of a completed LACSD Employment application. Check your e-mail regularly throughout the recruitment process as notifications are sent via e-mail. Please make sure that your registered e-mail address is accurate and current. To ensure proper delivery add info@governmentjobs.com to your contact list. 

 NOTE: The individual(s) recommended for hire must undergo a job-related pre-employment physical, as well as a reference check, background, check, DMV report, and a drug test.

 To learn more about how the Sanitation Districts convert waste into resources, please visit the following video:  Converting Waste into Resources

   For more information regarding this recruitment, please contact Luz Avila at lavila@lacsd.org or (562) 908-4288 extension 1329.

   As an equal opportunity employer, the Districts strongly encourage people with disabilities and people from historically marginalized communities to apply.

Recruiter Information:

Luz Avila