Wastewater Maintenance Supervisor

• Hiring Range is an estimate of where you can receive an offer. The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience, education, licenses, training, and internal equity.
• Pay Range is the entire compensation range for the position.

The first review of applications will be on 11/06/2026.

Pima County Regional Wastewater Reclamation Department is seeking an experienced and motivated individual to join our team as a Wastewater Maintenance Supervisor. This is an excellent opportunity for a professional with strong leadership skills, technical knowledge, and the ability to effectively supervise employees while promoting a culture of safety, accountability, and operational excellence within an industrial wastewater environment. If you have extensive experience in industrial maintenance and repair, including pumps, compressors, blowers, plumbing, pipe fitting, boilers, chillers, heat exchangers, and preventative maintenance programs. The ideal candidate will be a team-oriented leader who can support and develop employees, provide technical guidance, and help ensure equipment and operations are performed safely and efficiently each day. An ideal candidate should have Computerized Maintenance Management Systems (CMMS) experience and good Microsoft Office applications knowledge, such as Excel, Word, Outlook. If you meet the skills mentioned, and you take pride in safety, teamwork, reliability, and maintaining efficient operations, we encourage you to apply and become part of our team.

As defined under the Americans with Disabilities Act, this classification may include any of the following tasks, knowledge, skills, and other characteristics. This list is ILLUSTRATIVE ONLY and is not a comprehensive listing of all functions and tasks performed by incumbents of this class. Work assignments may vary depending on the department’s need and will be communicated to the applicant or incumbent by the supervisor.

• Supervises and directs maintenance operations, including inspection, repair, servicing, and preventative maintenance of vehicles, equipment, and systems to ensure reliability and optimal performance;
• Plans, schedules, and coordinates maintenance activities and projects, including integration with wastewater facility operations and use of computerized work order systems;
• Leads and oversees skilled fabrication, modification, and installation of equipment, systems, and facility components based on technical drawings, plans, and specifications;
• Performs and directs quality control analysis, diagnostics, and corrective actions for equipment, instrumentation, and process control systems;
• Manages work-unit resources, including budgeting, procurement activities, inventory control, and coordination with warehousing functions;
• Supervises, trains, and evaluates staff, including development of employee plans, performance appraisals, technical skills training, and enforcement of safety standards and procedures;
• Coordinates activities with internal work-units, external agencies, and contractors to optimize resource use and minimize service disruptions;
• Monitors and evaluates contractor performance, including compliance with specifications and quality of goods and services provided;
• Assists management in development of Requests for Bids, capital improvements, Operation and Maintenance projects, pertinent provisions in contracts, and bid proposal evaluations in area of own expertise and responsibility; 
• Ensures proper handling, storage, use, and disposal of hazardous materials and enforces safety protocols and use of personal protective equipment;
• Maintains accurate records and prepares reports on maintenance activities, equipment usage, service history, and operational performance;
• Prepares cost estimates, technical sketches, and documentation for maintenance, repairs, and special projects based on engineering plans and field assessments;
• Inspects, approves, and certifies completed work while ensuring accountability and security of tools, equipment, and materials, particularly in sensitive or regulated environments.

• Experience with/knowledge of state and federal regulations, such as Occupational Safety and Health Administration (OSHA), National Fire Protection Association (NFPA), and Arizona Department of Environmental Quality (ADEQ), process safety, hazard recognition and safe work practices in an industrial setting.
• Minimum three (3) years experience operating and maintaining central plant systems, including digester gas systems, boilers, chillers, compressors, heat exchangers, flares, or other related components.
• Minimum two (2) years experience supervising employees, providing specialized and advanced maintenance, repair, diagnosis, or troubleshooting, construction, fabrication, on-the-job training, and preventative maintenance.
• Direct experience reading and interpreting P&ID's, blueprints, as-builts, control panel drawings, and O&M manuals.
• Minimum two (2) years experience using an industrial Computerized Maintenance Management System (CMMS), Supervisory Control and Data Acquisition (SCADA), Maximo, Workday, or other related computerized systems.
• Possess an Environmental Protection Agency (EPA) Section 608 Universal Certification (Types I, II, and III).

Physical/Sensory Requirements: All positions require sufficient body flexibility, mobility, stamina, and balance to allow for standing, walking, sitting, grasping and manipulation of objects, frequent bending, stooping, reaching, climbing stairs and ladders. All positions require regular or occasional crawling, kneeling, squatting, reaching overhead, lifting/carrying objects up to fifty pounds, pushing and pulling of objects up to seventy-five pounds, and the ability to properly don and off fall protection to enter and work in confined spaces. Essential to this position is corrected or sufficient vision; the ability to see, read and interpret written information, manuals, gauges, etc., including distinguishing various colors. Also essential to this position is corrected or sufficient hearing; the ability to hear and comprehend voice communications in-person, over a radio and phone, and to hear operating equipment. Action/physical activity - bending, climbing, climbing stairs, climbing ladders, foot controls, hand controls, kneeling, squatting, stooping, standing, walking, simple and firm grasping, fine movement, keyboarding; Hearing - working in noisy areas, on a radio, on a phone, alarms and high-pitched noises; Speaking - in person, on the phone/cell and on a radio; Mental efforts/requirements: analytical thinking, effective verbal communications kills, handling stress and emotions, concentrating on tasks, remembering names, examining and observing details, making decisions, adjusting to change, staying organized, math calculations, problem solving, multi-tasking, making connections between facts, calibrating precise measurements; Performance requirements working as scheduled, arriving on time, meeting deadlines, attending meetings, working effectively with coworkers, working effective with customers/clients, working with others on a team, working alone, directing others, writing, answering phones, using office equipment; Other requirements: operating heaving equipment/machinery, operating motor vehicle, operating machinery, operating industrial equipment/forklifts; Visual Requirements; Distinguish between colors, have depth perception; Exposures: cold, confined spaces, direct sunlight, driving, dust/dirt, electrical/electricity, extreme heat, fall hazards, foot hazards, grinding, humidity, ice, indoors, noisy work areas, traffic, vibrations, using hand tools, using electric tools, water/liquid, walking on uneven surfaces, walking at heights/elevated areas, bases, flammables, gases. Frequently required to lift, push or pull objects weighing up to 75 pounds.

Working Conditions: All positions require the operation of machinery, powered industrial equipment and motor vehicles. All positions require outdoor work, including during inclement and hot weather, working in confined spaces, working in high places, working with loud noises, walking on uneven surfaces, and exposure to waterborne pathogens/agents, hazardous materials and gases, water hazards and wet/slippery surfaces, odors, fumes, humidity, dirt, dust, traffic hazards, venomous pests, , and electric arc flash potential.

EEO Information: Pima County Government is an Equal Employment Opportunity employer. We are committed to an inclusive and diverse workforce and will not discriminate in employment opportunities or practices on the basis of race, color, religion, national origin, age, disability, gender, sexual orientation, kinship, political interest, or any other characteristic protected by law.