
Posting number: 2026-00131
Department: Public Works
Job classification: Senior Water Reclamation Mechanic
Posting type: Internal & External
Categories: Public Works
The Senior Water Reclamation Mechanic supports the operations & maintenance activities at the City of Avondale’s Water Reclamation Facility. The position is required to maintain the various treatment process equipment in a safe and efficient manner. Daily assignments include maintenance functions such as: installation, modification, and corrective and preventive maintenance, on typical and specialized water reclamation industry-related equipment, including pumps, valves, motors, compressors, filters, blowers and more. Complex work assignments require the mechanic to be well versed in several of the maintenance trades.
Under direct supervision of the Water Reclamation Facility Supervisor, the Senior Water Reclamation Mechanic is expected to continually strive to improve operations & maintenance, decrease equipment downtime, streamline work practices, maintain accurate records via the computerized maintenance management system (CMMS) and perform other related duties as required.
This position is required to participate in the ‘on-call’ program (rotating schedule) and will respond to after hour call outs, as needed. Work may be performed independently or in small teams.
Troubleshooting mechanical equipment, responding to emergency calls for repairs and operating machinery with an emphasis on servicing, repairing and maintaining equipment.
Performs repairs and service of solid-state components, low voltage equipment, and medium 3-phase voltage mechanical and electrical assets. Performs repairs and services to heavy industrial and light industrial machinery used in the wastewater treatment industry.
Independently investigates equipment failures to determine the cause of failure and take necessary corrective actions. Communicate with operations staff on maintenance activities, and coordinate planned installation, repairs, and preventative maintenance work.
Independently researches and orders materials, maintenance supplies, and new equipment from outside vendors, and maintains inventory and equipment information. Purchase and install new equipment or components to upgrade, modify, improve or repair existing mechanical or electrical equipment.
Utilizes the City’s CMMS to document maintenance, work activities and inventory. Utilizes the same software to initiate and close out Work Orders, order replacement parts, document equipment failures and more.
May assist treatment plant operators with occasional tasks including operating, testing, maintenance and repair tasks.
Follows all JHAs for work within the Public Works Department. Utilizes required safety equipment, when necessary, inspects safety equipment and occasionally enters confined spaces by safely following OSHA safety regulations.
Assist in creating and supporting a work environment that complies with SOPs, OSHA, NEC, Federal and State regulations, and City of Avondale policies & procedures.
May be called upon to assist other divisions within the Department and performs other duties as required.
To view the full job description and learn more about the responsibilities and qualifications, please click to view the Class Specification here.
High school diploma or GED equivalency is required.
Work requires a sound knowledge mechanical and repair principles. Knowledge obtained through a vocational school or technical college is preferred.
A minimum of two (2) years of experience performing maintenance activities on machinery and/or industrial-related equipment such as valves, pumps, heaters, blowers, bearings and mechanical seals, clarifiers, electric motors or similar.
Maintenance experience in the water or wastewater field is preferred.
An equivalent combination of education and experience may be considered if sufficient to perform the essential duties of the role as listed herein.
Must possess an Arizona Department of Environmental Quality (ADEQ) Wastewater Treatment Operator Grade I Certification or be able to obtain the Certification within six (6) months of hire and must be able to maintain certification for the duration of employment.
A valid Arizona Driver’s license is required upon hire.

Avondale is a community where people share a deep sense of pride in what has been accomplished and what it is today. In Avondale, there is strong belief that the blending of a broad spectrum of cultures comes from a true sense of harmony throughout the community, and not mere rhetoric about diversity. In Avondale, people and businesses are welcomed with open arms and supported in a way that exemplifies a progressive, intelligent and driven City.
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