Wastewater Treatment Operator II​/III – DOE Sewerage Agency of Southern Marin

About the Opportunity

The Wastewater Treatment Plant (WWTP) Operator II/III position plays a key role in the safe, efficient, and compliant operation of the City’s wastewater treatment facilities. The successful candidate will be appointed at the Operator II or Operator III level based on qualifications and experience.

Location:

450 Sycamore Ave, Mill Valley, CA 94941

• Operate, monitor, and maintain the wastewater treatment plant, lift stations, trunk sewers, outfall, and related facilities.
• Adjust treatment processes to meet NPDES permit requirements.
• Utilize SCADA systems to monitor and control plant operations.
• Perform preventive maintenance on plant equipment.
• Collect and analyze wastewater and sludge samples.
• Maintain accurate operational records.
• At the Operator III level, provide advanced process optimization, technical leadership, administrative and reporting duties, CMMS oversight, contractor coordination, and support or act in the absence of the Chief Treatment Plant Operator.
• Work rotating, weekend, holiday, and on-call shifts; respond to emergency callouts as needed.
• Adhere to safety practices and use personal protective equipment.

• High school diploma or equivalent, supplemented by training required by the California State Water Resources Control Board for Wastewater Treatment Plant Operation.
• A minimum of twenty-four (24) months of hands‑on experience in wastewater treatment plant operations; equivalent experience may be considered at the City’s discretion.

• Possession of a Grade II Wastewater Treatment Plant Operator Certificate or higher issued by the California State Water Resources Control Board.
• Possession of a valid Class C California Driver’s License.

• Education equivalent to high school graduation, supplemented by training required by the California State Water Resources Control Board for Wastewater Treatment Plant Operation.
• Five (5) years of increasingly responsible experience operating and performing routine maintenance on facilities and equipment in a secondary wastewater treatment plant and related facilities.

• Certification by the California State Water Resources Control Board in Wastewater Treatment Plant Operation.
• Possession of a Grade IV Wastewater Treatment Plant Operator Certificate issued by the California State Water Resources Control Board, or the ability to obtain a Grade IV certificate within twelve (12) months of assignment.

All candidates must be willing and able to work non‑traditional hours, including rotating shifts, weekends, holidays, and on‑call assignments, and to respond to emergency callouts as required. The position requires the ability to work in inclement weather and potentially hazardous environments, operate City or personal vehicles safely while conducting City business, and wear required personal protective equipment. A strong commitment to safety, teamwork, regulatory compliance, and environmental stewardship is essential for success in this role.

The City of Mill Valley prides itself in its workforce and is pleased to offer a generous benefits package. This position is represented by the American Federation of State, County and Municipal Employees Association (AFSCME). The Memorandum of Understanding (MOU) between the City of Mill Valley and Local 2167, Mill Valley Employees' Association, AFSCME is available on the City website. Please review the MOU for detailed information on benefits offered for this position.

• Leave – the City provides a generous leave package:
  • 15 holidays and floating holidays/personal days
  • 2 to 5 weeks of vacation leave based upon years of service
  • 320 hours (equivalent to 8 weeks) of Paid Family Leave for the purpose of bonding with a new child or for use related to the birth of the child
• Health Insurance – City provides the full premium for the Kaiser Family Plan or the equivalent thereof for employees who elect Western Health Advantage HMO.
• Dental Insurance – City provides the full premium for Delta…