Job Type: Classified
Job Classification: 5804 - Wastewater Operations & Maintenance Technician I
Salary Grade: 7
Pay Range
Hiring Range: $22.18 - $26.05 Per Hour
Pay Range: $22.18 - $29.92 Per Hour
Range Explanation:
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 06/05/2026.
This position is in Pima County’s Regional Wastewater Reclamation Department (RWRD), where we operate and maintain systems and facilities that convey, treat, and reclaim over 62 million gallons per day of wastewater, protecting public health and the environment. Through this reclamation process, water, biosolids, nutrients, and methane gas are recovered as renewable resources. We are proud to be an award-winning industry leader in the management and sustainability of the water reclamation cycle and other renewable resources. This position requires successful completion of classroom and field training. An Operations and Maintenance (O&M) Technician is responsible for safely operating and monitoring selected equipment involved in the treatment, processing, and resource reclamation of wastewater and biosolids. Ensures the continuity of wastewater treatment operations by performing preventive maintenance and adjustments to equipment and systems, including pumps, motors, blowers, chemical feed equipment, sludge equipment, and basic laboratory equipment. Additional responsibilities of this position include collecting and analyzing wastewater samples and recording data relating to the operation and maintenance of equipment and treatment processes. If you are looking to join a dynamic team that has an essential impact on your local community, we encourage you to apply. "
Essential Functions:
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 needs and will be communicated to the applicant or incumbent by the supervisor.
Follows all safety procedures, including proper lockout/tagout (LOTO) and confined space procedures;
Operates and monitors equipment and processes involved in the treatment and processing of wastewater and its byproducts, including solids, gas, service water, and side streams;
Collects and records data relating to the operations and maintenance of assigned equipment and systems;
Reports equipment & process data/information;
Interprets readings on metering/process control devices and test/analysis results, and adjusts equipment and machinery as necessary;
Evaluates, troubleshoots, and adjusts wastewater treatment and solids handling processes;
Initiates remedial or repair actions to ensure system operations continuity;
Performs operator-level servicing, preventive maintenance, and adjustments to assigned equipment, facilities, and associated systems;
Assists in the installation, maintenance, repair, and replacement of large, complex equipment and associated components;
Collects and analyzes wastewater samples in field and laboratory settings, reports results;
Ensures proper use, care, and calibration of standard laboratory equipment and reports lab supply status to Supervisors;
Performs basic housekeeping functions by cleaning and maintaining work areas, buildings, and grounds;
Communicates effectively with team & Supervisors, and follows written and verbal instructions;
Demonstrates proficient daily computer use: email communications, electronic logbook, spreadsheet data entry;
Uses the operating principles of facility Supervisory Control and Data Acquisition (SCADA) systems and computerized maintenance management systems;
Prepares for and responds to hydraulic loading events;
Responds to plant emergencies.
Assists in training O&M Technicians;
Uses basic algebra and other mathematical calculations;
Maintains a safe, clean, and orderly work environment
Minimum Qualifications:
High School diploma or equivalent G.E.D certificate.
Qualifying education and experience must be clearly documented in the "Education" and "Work Experience" sections of the application. Do not substitute a resume for your application or write "see resume" on your application.
Preferred Qualifications : (Be specific in describing your experience in your application. Ensure the descriptions provided illustrate your competencies, specifically addressing the required and preferred qualifications.):
Certified safety training, such as OSHA-10-General Industry.
Experience operating industrial and other equipment, such as pumps, motors, compressors, and mobile equipment, such as forklifts.
Experience performing basic preventative maintenance on industrial and other equipment and/or motors.
Experience with/knowledge of using a computer and electronic communication.
Experience performing cleaning, maintaining buildings and grounds.
Selection Procedure:
Pima County Human Resources Department reserves the right to admit to the selection process only those candidates that meet the minimum qualifications. All applications will be assessed based on an evaluation of the listed education and experience. Candidates meeting the minimum qualifications may be further evaluated/scored against any advertised Preferred Qualifications. The hiring authority will interview and select the successful candidate from a referral list provided by Human Resources. Additional assessments/testing may be required as part of the selection process.
Supplemental Information:
Licenses and Certificates : Valid driver license is required at time of application. Valid AZ driver license is required at time of appointment. The successful applicant will be subject to a 39-month DOT Motor Vehicle Record review to determine applicant’s suitability to operate county vehicles in accordance with Pima County administrative procedures. Failure to obtain and maintain the required licenses and certifications shall be grounds for termination. Any offer of employment resulting from this recruitment is contingent upon Fleet Services’ review and approval of the candidate’s driving record. All positions require, at minimum, a valid Arizona Department of Environmental Quality (ADEQ) Grade 1 Wastewater Treatment certification within one (1) year of employee’s start date in the position.
Special Notice Items : The County requires pre-employment background checks. Successful candidates will receive a post-offer, pre-employment background screening to include verification of work history, education, and criminal conviction history. A prior criminal conviction will not automatically disqualify a candidate from employment with the County. Some positions may require satisfactory completion of a personal background investigation by the court or law enforcement agencies, due to the need for access to County Attorney and Court facilities, records, and communication systems. Some positions may carry the risk of exposure to infectious disease, asbestos, or wastewater and sewage products, therefore special medical screening prior to or during employment may be necessary to assure employee health and safety. This position will require a post-job offer physical and/or drug screen.
Physical/Sensory Requirements : All positions require sufficient body flexibility, mobility, stamina, and balance to allow for standing, walking, sitting, grasping, and manipulation of work objects, frequent bending, stooping, reaching, and climbing stairs and ladders. All positions require regular or occasional crawling, kneeling, squatting, lifting/carrying objects up to fifty pounds, pushing and pulling of objects up to seventy-five pounds, and the ability to properly don and doff 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 Activity - bending, climbing, kneeling, reaching, squatting, stooping; Motion Activity - grasping; Hearing Activity - in noisy areas, on a radio, behind themselves, equipment alarms; Speaking Activity - in person, on the phone, on a radio; Vision - operate a motor vehicle, may be required to operate commercial vehicle, operate machinery, operate a forklift/power industrial equipment, distinguish colors, depth perception, and peripheral vision. Frequently required to lift, push or pull objects weighing up to 75 pounds.
Working Conditions : Some positions require on-call rotations. All positions require the operation of machinery, powered industrial equipment, and motor vehicles. All positions require outdoor work, including during inclement and hot weather, 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, uneven surfaces, 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.
