The City of Tolleson is seeking qualified individuals interested in joining our team as a Lead Utility Operator. The Lead Utility Operator is responsible for performing journey-level lead work that involves training and mentoring operations staff, provides guidance and direction to all operators in the daily operations of the treatment plant. Some examples of duties performed include operational compliance and appearance of the facility by closely monitoring operations, performing inspections, giving work assignments to operators, developing and conducting training, keeping accurate records of operational activities; preparing reports, shift schedules; scheduling projects, sample collection, evaluating work performance of operators and all other duties as assigned.

The Lead Utility Operator is also responsible for monitoring the health of the following, but not limited to, clarifiers, digesters, grit removal systems, trickling filters, aeration blowers, gas chlorination systems, chemical feed systems, belt presses, bar screens, and rotary drum thickeners. This position creates, reviews, and monitors daily work activities by using Computerized Maintenance Management Software (CMMS) and WIMS logs. This position also participates in a rotating on-call schedule. The incumbent may provide crew member performance feedback to the Wastewater Operations supervisor and other duties as assigned.

Qualifications

High School Diploma or GED from an accredited institution, supplemented with college coursework or technical training and 3 years of progressively responsible experience in assigned area of responsibility; or an equivalent combination of directly related education and experience. Applicants must possess an ADEQ Grade 3 Wastewater Treatment Operator Certification, or ability to obtain within six (6) months from date of hire. Valid Arizona Driver's License required. This position will require working nights, evenings, and/or weekends.

Additional Requirements

This position requires basic proficiency in laboratory testing methods and procedures, along with the ability to troubleshoot process control issues and mechanical equipment within a wastewater treatment environment. Applicants should be capable of performing mathematical computations, writing reports and Standard Operating Procedures (SOPs), and be proficient in Microsoft Word, Excel, Outlook, and PowerPoint. The role also requires the ability to maintain respiratory program requirements for Self-Contained Breathing Apparatus (SCBA). 

Knowledge of

-Journey-level maintenance and repair principles, practices, and methods

-Journey-level process control

-Microscope experience and ability to identify microorganisms on slides

-Coordinating work assignments

-Safe operation of a vehicle

-Job-specific equipment

-Heavy equipment

-Safe working practices

-Basic mathematical concepts

-Modern office technology

Skills in

-Coordinating work assignments

-Operating heavy equipment

-Operating small hand and power tools

-Operating a vehicle

-Performing basic mathematical calculations

-Utilizing communication and interpersonal skills with coworkers, supervisors, the general public, and others to sufficiently convey information and to receive work directions 

Physical Requirements/Work Conditions

Positions in this class typically require: climbing, balancing, stooping, kneeling, crouching, crawling, reaching, standing, walking, pushing, pulling, lifting, fingering, grasping, feeling, talking, hearing, seeing and repetitive motions.

Heavy: Exerting 50 lbs. occasionally, 10-25 lbs. frequently, or up to 10-20 lbs. constantly.

Incumbents may be subjected to moving mechanical parts, electrical currents, vibrations, fumes, odors, dusts, gases, poor ventilation, chemicals, oils, blood and other bodily fluids, extreme temperatures, inadequate lighting, workspace restrictions, intense noises, travel and environmental conditions such as disruptive people, imminent danger, and a threatening environment.

Full Salary Range: $33.88 - $47.43 Hourly

Salary for internal promotion Section 603.3.2 of Employee Handbook.

Applications reviewed weekly, with first review September 22, 2026

Additional Application Information

It is important that your application shows all relevant work experience and education. Work experience must be noted on the application. Applicants may be rejected if not fully complete. Your resume may not be substituted as an application.

Applicants may request reasonable accommodation, if needed, by contacting Employee Resources at 623-474-4989.

EOE/M/F/D/V/SO

Summary

The City of Tolleson is seeking a qualified Lead Utility Wastewater Operator to provide leadership, training, and guidance to treatment plant operations staff. Responsibilities include monitoring plant operations and regulatory compliance, assigning and evaluating work, developing training, maintaining records and reports, scheduling projects and sampling, and overseeing treatment equipment and systems. The position uses CMMS and WIMS to manage and document daily activities, provides performance feedback to the Wastewater Operations Supervisor, and participates in a rotating on-call schedule.

Who we are

We are small, but in the middle of it all. The City of Tolleson is the best place to start or advance your career. Incorporated in 1929, we are committed to providing employees with opportunities for learning and growth. Are you interested in joining our team? If you are passionate about making a difference in the community, the City of Tolleson is looking for people like you.

Core Values

Caring. Inclusion. Value. Inspire. Collaboration.