Wastewater Treatment Operator — Flexible Scheduling & On‑Call

Water Otter Job Board; Mesa (AZ); On-site; USD 60,000 - 90,000; Full time

Benefits offered by this job

Exceptional Retirement Plan

Comprehensive Health Coverage

Time Off and Flexible Scheduling

Financial Wellness and Bonus Potential

Professional Development and Training

Family-Friendly Benefits

Job summary

Kimley-Horn is seeking a Wastewater Treatment System Operator near Chandler, AZ with 3+ years of experience to join their Water and Wastewater team. The role requires an ADEQ Grade 2 Wastewater Certification and a minimum of two years of plant operation experience.

Responsibilities include operating and monitoring treatment processes, performing lab tests, troubleshooting issues, and maintaining logs and compliance documents.

Qualifications

• High School diploma or GED or equivalent.
• ADEQ Grade 2 Wastewater Certification (or equivalent reciprocal certification) at time of application.
• Two years of experience operating and maintaining water and/or wastewater treatment plants and related facilities.
• Strong documentation habits and comfort with math/process calculations.
• Excellent verbal, written, and interpersonal skills.

Responsibilities

• Operate and monitor treatment processes to maintain permits and targets.
• Perform process control sampling and basic lab testing (pH, DO, TSS, turbidity, etc.).
• Interpret results and adjust operations and chemical dosing accordingly.
• Conduct routine equipment inspections; identify and address abnormal conditions.
• Troubleshoot mechanical/electrical/process issues and coordinate repairs.
• Perform preventive maintenance and maintain safety standards.
• Respond to alarms and on-call rotation.
• Maintain shift logs, work orders, chemical usage, meter readings, and compliance documentation.
• Follow safety programs and participate in training and safety meetings.
• Support SOP updates, optimization initiatives, and audits/inspections.

Skills

Documentation habits

Verbal and written communication

Interpersonal skills

Education

High School diploma or GED

ADEQ Grade 2 Wastewater Certification

Job description

Kimley-Horn is seeking a Wastewater Treatment System Operator near Chandler, AZ with 3+ years of experience to join their Water and Wastewater team. The role requires an ADEQ Grade 2 Wastewater Certification and a minimum of two years of plant operation experience.

Responsibilities include operating and monitoring treatment processes, performing lab tests, troubleshooting issues, and maintaining logs and compliance documents.