Plant Operations Assistant Jobs in Arizona (NOW HIRING)

Kimley-Horn's is seeking a Water Treatment Plant Manager with 2+ years of experience in Water and Wastewater plant operations to join their team for a project near Chandler, AZ

• Full-time Plant Manager role for an ADEQ-Certified Water Treatment System Operator.
• Serve as liaison with plant operations client personnel to identify outstanding short-term, mid-term, and long-term facility operational needs; then collaborate with plant operations client personnel in the development and implementation of solutions to address those needs.
• Operate and monitor treatment processes (e.g., pump stations, cartridge filters, granular activated carbon, RO, disinfection, and SCADA) to maintain compliance with USEPA and Tribal and operating targets.
• Perform process control sampling and basic lab testing (e.g., pH, Alkalinity, TDS, chlorine residual, SDI, turbidity as applicable); interpret results and adjust operations and chemical dosing accordingly.
• Conduct daily equipment surveys and inspections; identify abnormal conditions, develop and take corrective actions.
• Troubleshoot mechanical/electrical/process issues; coordinate repairs with client personnel maintenance staff and/or contractors.
• Identify and coordinate preventive maintenance tasks; develop and maintain housekeeping and safety standards.
• Respond to alarms and operational upsets; participate in after-hours/holiday/on-call rotation.
• Develop and maintain accurate plant operation logs, repair and maintenance work orders, chemical usage inventories, meter readings, and regulatory compliance documentation.
• Follow safety programs and participate in training and safety meetings.
• Identify and produce SOP, O&M documents, process optimization initiatives, and facility audits and inspections.
• Communicate professionally with clients and stakeholders on system status, findings, and compliance; adapt messaging for technical and non-technical audiences.
• Mentor client operators and trainees on equipment, safe practices, and process control; assist supervisors in evaluating progress.

• High School diploma or General Education Development (GED) equivalent.
• Candidates must possess at minimum an Arizona Department of Environmental Quality (ADEQ) Grade 1 - 4 Water Treatment Plant Operator's Certification (or equivalent certification from a reciprocal jurisdiction) at time of application.
• A minimum of two years of experience in the operation and maintenance of water and/or wastewater treatment plants and related facilities.
• Experience specifically in the operation and maintenance of Reverse Osmosis water treatment plants and related facilities.
• Strong documentation habits and comfort with math/process calculations.
• Excellent verbal, written, and interpersonal skills.
• Demonstrated ability to communicate clearly with clients and regulatory contacts.
• Experience or willingness to mentor client operators and support their development.

At Kimley-Horn, we do things differently. People, clients, and employees are at the forefront of who we are. Clients know we prioritize achieving their goals and growing their success. Employees know our culture and approach to business are built on a desire to provide an environment for everyone to flourish. Our commitment to quality is only as good as the people behind it- that's why we welcome and develop passionate, hardworking, and proactive employees. We take pride in how our employee retention, robust benefits package, and company values have led to Kimley-Horn's placement on the Fortune "100 Best Companies to Work" list for 19 years!

Key Benefits at Kimley-Horn

• Exceptional Retirement Plan: 2-to1- company match on up to 4% of eligible compensation (salary + bonus) and additional profit-sharing contribution.
• Comprehensive Health Coverage: Low-cost medical, dental, and vision insurance options.
• Time Off: Personal leave, flexible scheduling, floating holidays, and half-day Fridays.
• Financial Wellness: Student loan matching in our 401(k), and performance-based bonuses.
• Professional Development: Tuition reimbursement and extensive internal training programs.
• Family-Friendly Benefits: New Parent Leave, family building benefits, and childcare resources.