Full-Time

Wastewater Operations and Maintenance Supervisor 1

Posted on 9/11/2026

Deadline 9/19/26
Pima County

Pima County

Southern Arizona county government

Compensation Overview

$28.85 - $39.96/hr

Tucson, AZ, USA

In Person

Category
General Maintenance & Repair (1)
Required Skills
Data Analysis
Requirements
  • Current Arizona Department of Environmental Quality certification required for the position at the time of application.
  • Four years of experience operating an advanced, complex wastewater or water facility, system, or related industry or facility; relevant experience and education from an accredited college or university may be substituted.
  • A valid driver's license is required at the time of application, and a valid Arizona driver's license is required at appointment.
  • A valid Arizona commercial driver's license, Class A, B, or C, with appropriate endorsements is required; the posting specifically requires CDL B with tanker endorsements.
  • Depending on assignment, a valid Arizona Department of Environmental Quality Grade 4 Wastewater Treatment or Wastewater Collection System Operator certification is required; some positions require Grade 1 Wastewater Collection certification.
  • Successful demonstration of internal operations and maintenance knowledge and skills is required within the probationary period.
  • Successful completion of a post-offer physical and/or drug screen is required.
  • Ability to meet physical requirements including standing, walking, bending, stooping, climbing, crawling, kneeling, squatting, lifting or carrying up to 50 pounds, pushing or pulling up to 75 pounds, and working in confined spaces with fall protection.
  • Ability to operate machinery, powered industrial equipment, motor vehicles, and potentially commercial vehicles.
  • Ability to see, read, and interpret written information, manuals, gauges, and colors, and to hear and comprehend in-person, radio, and telephone communications.
  • Ability to work outdoors in inclement and hot weather and in environments involving wastewater, waterborne pathogens, hazardous materials and gases, water hazards, wet or slippery surfaces, odors, fumes, humidity, dirt, dust, traffic hazards, venomous pests, uneven surfaces, and electric arc-flash potential.
Responsibilities
  • Supervise and perform the duties and responsibilities of Wastewater Operations and Maintenance Technicians and Utility Maintenance Workers.
  • Supervise, monitor, evaluate, troubleshoot, and adjust process control for treatment facilities and collection or conveyance system processes.
  • Coordinate wastewater crew activities involving repair and maintenance of sewer lines and sanitary sewerage facilities, including vector, odor, and corrosion control.
  • Plan, schedule, assign, and review work performed by assigned shift personnel.
  • Collect operational and maintenance data and prepare reports.
  • Supervise, monitor, evaluate, troubleshoot, and adjust treatment plant equipment, machinery, and wastewater treatment processes to maintain permit compliance.
  • Supervise, review, and participate in treatment-process sampling and analysis, reported-data review, laboratory-result review, equipment calibration, and operational-log verification.
  • Order and restock equipment, laboratory supplies, and other supplies while coordinating with warehouse, purchasing, and scheduling personnel.
  • Monitor and report hazards, communicate safety procedures and safety data sheets, and conduct safety meetings.
  • Prepare daily, weekly, and monthly plant-highlight reports and other management reports; create or modify data tables and spreadsheets to analyze and present data.
  • Provide recommendations for capital-asset expenditures.
  • Coordinate maintenance and repair activities with other supervisors, planners, central maintenance, and other work units.
  • Provide field training, on-the-job training, leadership, mentorship, and facility tours for operational staff.
  • Supervise, train, and evaluate assigned personnel and maintain documentation of training, performance, and evaluations.
  • Use Supervisory Control and Data Acquisition systems and computerized maintenance management systems, including remote facility operation through Supervisory Control and Data Acquisition when assigned to the Operations Control Center.
  • Assist management with process-control and optimization recommendations, large-scale projects, and integration or optimization of new processes and equipment while maintaining treatment efficiency and regulatory compliance.
  • Apply mass-balance techniques and solids-handling knowledge involving solids and sludge concentrations, sludge volume index, sludge age, anaerobic digestion, and biogas production.
  • Supervise and assist with the design, development, and implementation of capital projects.
  • Initiate facility emergency plans and procedures.
  • Create and update procedures, rounds, risk and hazard assessments, safety and lockout/tagout plans, standard operating procedures, job hazard analyses, and related documents.
  • Respond to calls, complaints, and requests from the public, County departments, and local, state, and federal agencies.
  • Establish or direct the establishment and maintenance of worksite traffic-control measures.
  • Provide dispatch services and perform collection and conveyance system activities when assigned to the Operations Control Center.
  • Supervise and review collection of facility-permit data and information and prepare and review facility-permit documentation.
Desired Qualifications
  • At least three years of experience as a Utility Maintenance Worker II or III, in a lead position, or in a supervisor position.
  • At least three years of experience and working knowledge of industry-specific safety rules and regulations, including traffic-control procedures, confined-space procedures, and lockout/tagout.
  • At least three years of experience using computerized maintenance management software such as IPS or Maximo.

Pima County is the county government serving Pima County, Arizona. It administers public health, justice, elections, transportation, wastewater, parks, libraries, development services, environmental programs, and community assistance. Residents, businesses, visitors, and partner agencies interact with elected offices and operating departments. Its workforce includes public-health professionals, engineers, planners, law-enforcement personnel, social-service teams, librarians, trades, technology, and administration. County services are delivered under public governance, budgets, procurement rules, and statutory responsibilities.

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