Wastewater Mechanic – Sr Wastewater Mechanic Page 1 of 3 April 2026
WASTEWATER TREATMENT MECHANIC – SENIOR WASTEWATER TREATMENT MECHANIC JOB FAMILY: Wastewater Plant Operations
EEO CATEGORY: Skilled Craft
FLSA: Non-Exempt
PAY PLAN: Full-Time Pay Plan
UNION STATUS: Represented
PURPOSE STATEMENT:
Under the direction of the assigned administrator, the Wastewater Treatment Mechanic – Senior Wastewater Treatment Mechanic performs preventative maintenance, repairs, installation, and modifications of the wastewater treatment equipment and facilities.
DISTINGUISHING CHARACTERISTICS (For use in a job series only) Positions in this class, such as the Wastewater Mechanic, will perform detailed administrative budgeting, scheduling supplies, equipment, and material purchasing work at the direction of the Senior Mechanic or the Operations and Maintenance Superintendent. This class differs from the Senior Mechanic class in that the Senior Mechanic performs detailed administrative, scheduling, supplies, equipment, and material purchasing work or train, supervise, and evaluate maintenance personnel duties at the direction of the Chief Wastewater Treatment Plant Operator.
ESSENTIAL FUNCTIONS, DUTIES, AND TASKS:
The following list of functions, duties, and tasks is typical for this classification. Incumbents may not perform all of the listed duties and/or may be required to perform other closely related or departmentspecific functions, duties, and tasks from those set forth below to address business needs and changing business practices.
• Maintains, repairs, installs, and modifies wastewater equipment and facilities. • Maintains an inventory of parts, supplies, and equipment necessary to repair and maintain wastewater equipment and facilities.
• Periodically inspects equipment and facilities to determine maintenance or repair necessity. • Participates in major maintenance activities, including the repair and servicing of pipes, tubes, rods, seals, shafts, stuffing boxes, gears, motors, bearings, couplings, chemical storage and feed systems, valves and pumps, PLCs, VFDs, electrical and electronic robes, and diesel systems. • Maintains all maintenance records on routine maintenance and repairs. • Inspects, tests, services, troubleshoots, and completes preventative maintenance tasks on electrical and instrumentation equipment, process controls, and monitoring equipment. • Assists in budget preparation and monitoring.
Job Classification Description
Equal Employment Opportunity
Wastewater Mechanic – Sr Wastewater Mechanic Page 2 of 3 April 2026
OTHER DUTIES:
• Performs other related duties as assigned.
KNOWLEDGE, SKILLS, AND ABILITIES
(At time of application)
Knowledge of:
• Methods, techniques, equipment, and supplies used in wastewater equipment and facility repair and maintenance.
• Standard safety practices required by Cal OSHA
• Record-keeping and reporting
• Financial rules, regulations, laws, and procedures
Skills and Abilities to:
• Repair and maintain a variety of wastewater equipment and facilities • Read, interpret, and apply technical information from manuals, drawings, specifications, layouts, blueprints, and schematics
• Comply with federal, state, and local laws and city policies, procedures, and codes applicable to fleet maintenance
• Perform the duties of an emergency worker in the event of a natural or other disaster
• Operate light and heavy equipment used in wastewater treatment plant maintenance and mechanic operations
• Communicate effectively in the English language at a level necessary for efficient job performance
• Perform all essential functions as assigned by an authorized employee, supervisor and/or manager with or without reasonable accommodation
• Relate well, communicate, and work effectively with diverse groups of stakeholders who represent a range of ethnic, cultural, and socio-economic backgrounds JOB QUALIFICATIONS / REQUIREMENTS:
(At time of application and in addition to the Knowledge, Skills, and Abilities listed above.) EDUCATION AND EXPERIENCE:
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:
Mechanic Wastewater: High school diploma or equivalent and four (4) years of increasingly responsible experience in equipment and facility maintenance and repair, preferably in the wastewater industry. A certificate in wastewater equipment maintenance and/or associate degree is highly desirable.
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Senior Wastewater Mechanic: In addition to the above, five (5) years of experience as a Wastewater Mechanic.
LICENSE(S) REQUIRED:
• Valid state-issued Driver’s License and a good driving record.
CERTIFICATIONS AND TESTING REQUIRED:
Wastewater Mechanic:
• Possession of welding certification is preferred
• Possession California Water Environmental Association Mechanical Technology Grade II Certification is desirable and to be acquired within 24 months of employment • Possession California Water Environmental Association Collections Maintenance Grade I Certification is desirable and to be acquired within 24 months of employment • Forklift operator certification required within 24 months of appointment • Must obtain a California Wastewater Treatment Operator Grade I Certificate prior to the employee’s Operator in Training expiration and a California Wastewater Treatment Operator Grade II certificate required to be on standby
• Completion of the 30-hour Occupational Safety and Health Administration Training Course in Construction Safety and Health
Senior Wastewater Mechanic:
• Must have a forklift operator certification at time of appointment. • Possession California Water Environmental Association Mechanical Technology Grade II Certification or higher
• Possession California Water Environmental Association Electrical & Instrumentation Technology Grade I Certification or higher
• Welding certification
• Possession California Water Environmental Association Collections Maintenance Grade I Certification 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