Water Treatment Plant Operator I, II, III - North Water Treatment Plant

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

This vacancy is at our North Water Treatment Plant, located at 2865 E. Guadalupe Road, Gilbert, AZ 85234.

The Water Treatment Plant Operator I, II, III reports to the Water Treatment Plant Utility Supervisor. The primary duties of the position include:

• Operate the water treatment plant, including supervisory control and data acquisition (SCADA) system or manually.  
• Conduct minor plant and equipment maintenance, including general housekeeping, and assist maintenance staff. 
• Perform laboratory analysis and jar test to determine optimum chemical dosages.
• Additionally, the Water Treatment Plant Operator is responsible for keeping logbooks, lab books, lab reports, midnight daily total reports, inspection reports, backwash logs, and updating the ozone database.
• Operate and monitor water treatment plant systems using DCS and SCADA computer systems, conduct visual plant inspections, monitor plant operations and processes, and work safely with and around treatment Chemicals. Detect problems to ensure proper operation and make process decisions as deemed appropriate.
• Additionally, we train new employees in the operations and maintenance of Two Surface Water Treatment Plants, utilizing the latest treatment technology and focusing on continuous quality improvement.
• View the full job descriptions: Water Treatment Plant Operator I, Water Treatment Plant Operator II, Water Treatment Plant Operator III

This position is an At-Will position and is FLSA Non-Exempt - eligible for overtime compensation. Employment with the Town of Gilbert is at-will.

Tentative Recruitment Timeline
Posting Closes: Sunday, September 20, 2026
In-Person Interviews: Week of September 28, 2026
Anticipated Start Date: October 12, 2026

This timeline is provided as an estimate and is subject to change based on business needs.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. You are someone who effectively exceeds customer needs by building productive relationships and taking responsibility for customer satisfaction and loyalty.  You actively participate as a member of a team to move the team toward the completion of goals and produce quality outcomes.  You are committed to our safety philosophy, and you take great pride in proactively managing time and resources to ensure that work is completed efficiently while accomplishing objectives and achieving goals beyond what is required.

Candidates for a Level I Operator must meet the following requirements:

• High School Diploma or equivalent (G.E.D.).
• Supplemented by vocational/technical training in water treatment plant operations and water distribution systems.
• 0-2  years of experience in public sector water treatment plant operations.
• Under the supervision of an operator II or III must be able to work day or evening shift as required and overtime when necessary.
• Valid Arizona Driver's license.
• ADEQ Grade 1 Water Treatment Plant Operator certification at the time of hire.
• Any equivalent combination of experience and training that provides the knowledge and abilities necessary to perform the work.
• Pay range for a Water Treatment Plant Operator I is $27.51 - $39.89/hr.

Candidates for a Level II Operator must meet the following requirements:

• High School Diploma or GED.
• 2 years or more of technical training beyond high school in water treatment.
• 2 - 5 years of experience in public sector water distribution systems and in water treatment.
• Grade 2 Water Treatment Certification and Grade 2 Water Distribution Certification at the time of hire or promotion.
• Pay range for a Water Treatment Plant Operator II is $30.94 - $46.41/hr.

 Candidates for a Level III Operator must meet the following requirements:

• High School Diploma or GED.
• 4 years or more of technical training beyond high school in water treatment.
• 2 years of experience in public sector water distribution systems and 4 years of experience in water treatment.
• Grade 3 Water Treatment Certification and a Grade 3 Water Distribution Certification at the time of hire or promotion.
• Pay range for a Water Treatment Plant Operator III is $33.00 - $49.49/hr.

Work will require climbing portable ladders and entering confined spaces. Operators work varied shifts, requiring availability on a rotating schedule for workdays, evenings, nights, and weekends.

To view the slide show presentation above, click here.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.