Advanced Water Treatment Operator III

City of Oxnard Public Works | Oxnard, CA

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Posted Date 11/23/2021

The City of Oxnard's Public Works Department is seeking an Advanced Water Treatment Operator III with strong technical and customer service skills to be part of the Water Division team.   

Salary: $65,004.78 - $87,617.50 Annually

Under general supervision, performs the full array of duties assigned to classes in the AWTO (Advanced Water Treatment Operator) series including the operation and minor maintenance of the AWPF (Advanced Water Purification Facility ) and Water desalter systems, processes and related equipment; demonstrates a full understanding of all applicable policies, procedures and work methods associated with assigned duties; occasionally assists in the training of lower level plant operator positions and/or newer personnel; and performs related duties as required.  Incumbents in this class may be required to perform shift duties, which includes weekend and holidays, and, as needed, perform standby duty in order to respond to emergencies.
The Advanced Water Treatment Operator III is the advanced journey level class.  Incumbents perform the full range of skilled treatment plant operations and maintenance tasks and act as the Senior Advanced Water Treatment Operator in his/her absence.  
General supervision is provided by the Advanced Water Treatment Operations Manager with technical and functional supervision provided by the Senior or (Shift Operator). 

Essential Functions:

include but are not limited to the following)

  • Performs duties that include all AWPF and Water desalter operating procedures, minor maintenance, and facility and equipment upkeep in order to assure compliance with applicable regulations and permits.  Procedures include, but are not limited to, AWPF start up and shut down procedures, Microfiltration (MF) operations and maintenance procedures, and Clean in Place (CIP) procedures for MF, Reverse Osmosis (RO), Ultraviolet/Advanced Oxidation (UVAOX), and Decarbonator operating procedure/pH control.  
  • Additional procedures include, safe chemical handling.  Chemical handling procedures include, but are not limited to, safe chemical delivery unloading, safe chemical transferring, chemical leak identification and isolation, and chemical line flushing.  Use standard hand held or bench top water quality test equipment for process monitoring, troubleshooting and analysis. 
  • Maintaining both electronic and written operational logs and records, collecting samples and performing entry level laboratory tests for process control purposes.
  • Housekeeping and preventative maintenance duties.
  • Monitors AWPF SCADA (Supervisory Control and Data Acquisition) alarms, instruments, gauges, and meters for process control.
  • Checks pumps, motors, hydraulic lines, structures, tanks and mechanical equipment for proper operations.
  • Takes meter, gauge and control panel readings and observes variations in operating conditions; interprets readings; monitors and changes flows and processes within established parameters; reports readings and processing changes on operation logs and records.
  • Collects samples and performs routine chemical tests/analyses, records sampling and test results, prepares samples for testing as needed; analyzes and evaluates in-house laboratory results, data and takes corrective action as appropriate. 
  • Operates light and medium-duty equipment, such as pickups, utility service trucks and forklifts.
  • Inspects and cleans assigned trucks and equipment; report mechanical and other problems; keep trucks and equipment stocked with proper tools, supplies, and materials.
  • Inspects, cleans, organizes and inventories treatment plant and related equipment. 
  • Demonstrates a full understanding of applicable policies, procedures and work methods associated with assigned duties.
  • Wetlands Project vegetation maintenance such removal of non-native or invasive species (weeding) and replanting design vegetation and development of operational strategies and procedures for the wetlands project.

(The following are minimum qualifications necessary for entry into the classification)

The education, experience, knowledge, skills and abilities for the Advanced Water Treatment Operator III include:  

Education and/or Experience:

  • The equivalent of three (3) years of experience in the operation of one of three following; advanced water treatment, wastewater treatment or water treatment and;
  • A high school diploma or equivalent.


  • Possession of, or ability to obtain, a valid class “C” California driver’s license.
  • Candidates must have either a  California Grade III Wastewater Plant Operator Certificate or a California T3 Water Treatment Operator Certificate upon employment.  
  • The AWTO III position may require an AWTO Grade 3 certification if mandated by State Regulations.

The selected candidate must pass a thorough background investigation.

UNION MEMBERSHIP: Positions in this classification are represented by International Union of Operating Engineers.

  • Submit NEOGOV/Government Jobs on-line application.
  • Complete and submit responses to the supplemental questions, if required.
  • Upload resume, cover letter, proof of degree (transcript) or other requested documents.

Your application may be rejected as incomplete if you do not include the relevant information in the online application and include the information only on the resume.  Applications and/or Supplemental Questionnaires that state "see my resume" or "see my personnel file" are considered incomplete and will not be accepted.  Cover letters and/or optional resumes are not accepted in lieu of a completed application.

The list of qualified candidates that is established from this recruitment may be used to fill other full-time, part-time and temporary assignments as vacancies arise. 

  • There are currently two (2) vacancies within the Public Works Water division.

For most positions, the City of Oxnard relies on office automation (Microsoft Office) and web-based enabled tools, therefore candidates must be proficient and comfortable with computer use to perform functions associated with on-going work.
Regular and reliable attendance, effective communication skills, and development of effective working relationships are requirements of all positions.

City staff may be required to play an active role in the event of an emergency, which may include changes in responsibilities and working hours.

This position requires a twelve (12) month probationary period.
Employees are required to participate in the City's direct deposit plan and are paid on a bi-weekly basis. 
Pursuant to California Government Code Section 3100, all public Employees are required to serve as disaster service workers subject to such disaster service activities as may be assigned to them.

EQUAL OPPORTUNITY: The City of Oxnard is an Equal Opportunity Employer and welcomes applications from all qualified applicants.  We do not discriminate on the basis of race, color, religion, sex, national origin, age, marital status, medical condition, disability or sexual orientation.
REASONABLE ACCOMMODATION: The City of Oxnard makes reasonable accommodation for the disabled.  If you believe you require special arrangements to participate in the testing process, you must inform the Human Resources Department in writing no later than the filing date.  Applicants who request such accommodation must document their request with an explanation of the type and extent of accommodation required.
LEGAL REQUIREMENT: On the first day of employment, new employees must provide proof of citizenship or documentation of legal right to work in the United States in compliance with the Immigration Reform and Control Act of 1986, as amended. The City participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. If E-Verify cannot confirm that you are authorized to work, this employer is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment. Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9. For more information on E-Verify, please contact DHS. 888-897-7781 




Job Category
Local Government
Career Level
Entry Level

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