WWT Operator – Senior WWT Operator
April 2026
WASTEWATER TREATMENT OPERATOR - SENIOR WASTEWATER TREATMENT OPERATOR JOB FAMILY: Wastewater Plant Operations
EEO CATEGORY: Service/Maintenance
FLSA: Non-Exempt
PAY PLAN: Full-Time Pay Plan
UNION STATUS: Represented
PURPOSE STATEMENT:
Under supervision, performs laboratory tests and skilled tasks in the operation and servicing of wastewater machinery and equipment. Senior Wastewater Treatment Operator provides complex and technical assistance to the Lead Wastewater Treatment Plant Operator.
SUPERVISION EXERCISED:
Wastewater Treatment Operator-None
Senior Wastewater Treatment Operator exercises functional and technical supervision over Wastewater Operators and or Operator-In-Trainings. May fill in for the duties of the Lead Operator in their absence.
ESSENTIAL DUTIES, FUNCTIONS, AND TASKS:
Duties may include but are not limited to:
• Inspect, maintain, repair, install, and modify wastewater equipment, electrical and electronic systems and facilities; reports need for major or specialized repairs. • Operate wastewater equipment and machinery.
• Read gauges, meters, charts, and graphs and operates pumps, valves, electric motors, and related equipment.
• Monitor systems; control valves for emergency and scheduled shut down; troubleshoot, diagnose, and report problems to superiors.
• Collect samples for quality control and determine amount of chemicals needed and adds for treatment process.
• Receive chemical shipments; record shipments into inventory; ensure shipments are in compliance with standards.
• Checks chemical alarms and feed systems for leaks.
• Clean tanks and facilities; maintain buildings and grounds. • Maintain records and logs
• Fulfill work orders and work assignments.
• Perform related duties as assigned.
Job Classification Description
Equal Employment Opportunity
WWT Operator – Senior WWT Operator
April 2026
DISTINGUISHING CHARACTERISTICS
This is the journey level classification in the Wastewater Treatment Operator Series. Incumbents in this classification perform a full range of skilled wastewater treatment plant operations and maintenance tasks and may supervise the work of subordinate personnel.
KNOWLEDGE, ABILITIES AND SKILLS
Knowledge of:
• Methods and techniques for operating pumps, valves, electric motors, diesel engines, and electronic, computerized, and manual control systems.
• Equipment servicing requirements for wastewater equipment and facilities. • Methods used in chemical, bacteriological and biological analyses. • Standard safety practices required by Cal-OSHA in the maintenance wastewater equipment and facilities.
• Record keeping and reporting.
Skills and Abilities to:
• Operate pumping, treatment, and control equipment and machinery. • Accurately read meters and gauges.
• Operate office equipment including computers, copying machines, and phone systems. • Read, interpret, and apply technical information from manuals, drawings, specifications, layouts, blueprints and schematics.
• Make mathematical calculations including metrics.
• Prepare records and reports.
• Respond to questions from the public and staff.
• Plan and organize work to meet schedules and timelines. • Comply with Federal, State and local laws, and City policies, procedures and codes applicable to fleet maintenance.
• Communicate clearly both orally and in writing.
• Travel between locations for business purposes
• Perform duties of an emergency worker in the event of a natural or other disaster.
QUALIFICATIONS/REQUIREMENTS:
Any combination of education and experience that would provide the required knowledge, abilities and skills is qualifying. A typical way to obtain the qualifications would be:
Wastewater Treatment Operator: High school diploma or equivalent and two (2) years’ experience in equipment and facilities maintenance, including one (1) year as a Wastewater Treatment Operator in Training or equivalent experience.
Senior Wastewater Treatment Operator: In addition to above, at least two (4) years as a Wastewater Treatment Operator or equivalent experience.
WWT Operator – Senior WWT Operator
April 2026
LICENSE(S) OR CERTIFICATE(S):
• Valid state-issued Driver’s License and a good driving record. • Ability to obtain a Class A license within 24 months of appointment. • Wastewater Treatment Plant Operator must have the ability to obtain a California Wastewater Treatment Operator II Certificate or higher within 6 testing cycles. • Senior Wastewater Treatment Plant Operator must have the ability to obtain a California Wastewater Treatment Operator III Certificate or higher within 6 testing cycles of appointment. • Possession of a California Water Environmental Association Collection System Maintenance Grade II is desirable.
WORK ENVIRONMENT / PHYSICAL DEMANDS:
(Must be performed with or without reasonable accommodations) • This position works primarily in an outdoor environment • Positions in this class typically require: reaching, standing, walking, pushing, pulling, lifting, grasping, talking, hearing, seeing, and repetitive motions with or without reasonable accommodation
• Medium Work: Exerting 20 to 50 pounds of force occasionally (up to 1/3 of workday), and/or 10 to 25 pounds of force frequently (1/3 to 2/3 of workday), and/or greater than negligible up to 10 pounds of force constantly (2/3 or more of workday) to move objects. Physical Demand requirements are in excess of those for Light Work