Wastewater Treatment Plant Maintenance Supervisor

Town of Gilbert; Gilbert (AZ); On-site; USD 85,000 - 115,000; Full time

Job summary

Town of Gilbert is seeking a Wastewater Treatment Plant Maintenance Supervisor to lead a maintenance team, oversee preventive and corrective maintenance, and ensure reliable plant operations in a compliance-driven environment.

You will coordinate repairs with operations, engineering, contractors, and vendors, manage parts and services, and champion safety while maintaining thorough records of maintenance activities. This is a hands-on leadership role in a public utility setting.

Qualifications

• High School Diploma or GED
• 4 years of technical training beyond high school in industrial maintenance or a related field
• 5 years of experience maintaining wastewater treatment plant equipment and systems
• 2 years of supervisory or lead experience in a maintenance or skilled trades environment
• Equivalent combinations of education and experience will be considered
• ADEQ Grade 3 Wastewater Treatment Plant Operator Certification at time of hire, or ADEQ Grade 4 in another discipline
• Arizona Class D Driver License

Responsibilities

• Lead and develop a team of maintenance staff by assigning work, coaching, and providing meaningful performance feedback
• Plan and oversee preventative, predictive, and corrective maintenance so plant equipment and infrastructure stay reliable and compliant
• Diagnose equipment failures and infrastructure issues, then coordinate timely repairs with operations, engineering, contractors, and vendors
• Manage maintenance supplies, parts, and contract services while supporting capital improvement and rehabilitation projects
• Champion workplace safety and keep accurate records of work orders, inspections, and equipment performance
• For a full list of duties, please review the job description

Education

High School Diploma or GED

4 years of technical training beyond high school in industrial maintenance or related field

ADEQ Grade 3 Wastewater Treatment Plant Operator Certification at time of hire or ADEQ Grade 4 in another discipline

Arizona Class D Driver License

Job description

Team Gilbert has an exciting opportunity for a highly motivated professional to fill the position of Wastewater Treatment Plant Maintenance Supervisor. With every job we fill, our focus is on providing best-in-class service to our citizens while offering opportunities for professional growth in a rewarding, innovative work environment.

The Wastewater Treatment Plant Maintenance Supervisor reports to the Wastewater Treatment Superintendent. The primary functions of this position include:

• Lead and develop a team of maintenance staff by assigning work, coaching, and providing meaningful performance feedback
• Plan and oversee preventative, predictive, and corrective maintenance so plant equipment and infrastructure stay reliable and compliant
• Diagnose equipment failures and infrastructure issues, then coordinate timely repairs with operations, engineering, contractors, and vendors
• Manage maintenance supplies, parts, and contract services while supporting capital improvement and rehabilitation projects
• Champion workplace safety and keep accurate records of work orders, inspections, and equipment performance
• For a full list of duties, please review the job description.

This is a Non-Exempt position, eligible for overtime compensation. Employment with Gilbert is at-will.

Tentative Recruitment Timeline:

• Posting Closes: November 22, 2026
• Tentative In-Person Interviews: December 7, 2026
• Tentative Start Date: January 19, 2027

You are a hands-on leader who is just as comfortable troubleshooting a failing pump as you are coaching a team member through a tough repair. You understand that reliable equipment protects both the community and the environment, and you take pride in planning ahead so problems get solved before they become emergencies. You communicate clearly with crews, engineers, vendors, and leadership, and you set the tone for a safe, accountable workplace. You thrive in a demanding, compliance-driven plant environment where your skills keep a critical public service running every day.

At Team Gilbert, we hire innovative, forward-thinking problem-solvers who love what they do! In addition to possessing the ability to live out our core and functional values daily, candidates must possess the following requirements:

• High School Diploma or GED
• 4 years of technical training beyond high school in industrial maintenance or a related field
• 5 years of experience maintaining wastewater treatment plant equipment and systems
• 2 years of supervisory or lead experience in a maintenance or skilled trades environment
• Equivalent combinations of education and experience will be considered
• ADEQ Grade 3 Wastewater Treatment Plant Operator Certification at time of hire, or ADEQ Grade 4 in another discipline
• Arizona Class D Driver License

This position requires a pre-employment background check, physical, and drug screen.

This position has been designated as a Medium work position that spends a majority of their workday in a wastewater treatment plant environment, with industrial and field work. Click here to learn more about the different physical exertion levels as defined by the Social Security Administration.

The physical demands and working conditions information above is meant to provide a general idea of the conditions for this role. Gilbert is committed to being an inclusive employer of candidates with a wide range of abilities, and looks for opportunities to accommodate different abilities within reason.

Gilbert is committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. If any reasonable accommodation is needed while participating in the application and interviewing process, please contact our People Team (Human Resources) at 480-503-6823. Requests should be made as early as possible to allow time to arrange the accommodation.

Gilbert provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.