Wastewater Heavy Duty Maintenance Mechanic

Job Description Summary

Department - Regional Wastewater Reclamation

OPEN UNTIL FILLED

Job Type: Classified

Job Classification: 5581 – Wastewater Heavy Duty Maintenance Mechanic

Salary Grade: 11

• 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.

Hiring Range: $27.19 - $32.63 Per Hour

Pay Range: $27.19 - $38.06 Per Hour

First review of applications will be on 07/17/2026.

Pima County Regional Wastewater Reclamation Department is looking for a dependable, skilled, and motivated Heavy Duty Maintenance Mechanic to join its Wastewater Treatment Division, a dedicated team of professionals who keep essential infrastructure running safely and efficiently every day. This is an opportunity to build a stable, long‑term career while serving the community and protecting public health. In this hands‑on role, you will maintain, troubleshoot, and repair heavy industrial equipment such as pumps, blowers, conveyors, gearboxes, hydraulic systems, and other critical plant machinery.

We are seeking candidates who take pride in their work, value safety, and enjoy working in a team‑oriented environment where reliability and craftsmanship matter. Pima County offers competitive pay, excellent benefits, retirement plans and opportunities for advancement and ongoing training. If you are mechanically inclined, safety‑driven, and ready to be part of a mission‑focused organization, we encourage you to apply and grow your career with us.

• Performs operational and preventive maintenance of complex heavy‑duty industrial equipment and machinery utilizing hydraulics and pneumatics of systems involving pneumatic tanks, deep wells, air compressors, pneumatic actuators, wet wells, pumps, and booster stations;
• Fabricates, constructs, installs, repairs, and aligns heavy‑duty industrial equipment and machinery such as deep well pumps, water pumps and piping systems, horizontal and vertical drive centrifugal pumps, spherical, thrust, radial, and line‑shaft bearings on pumps and motors utilizing gas and electric welding;
• Performs critical repairs to complex systems, equipment, and related features to maintain system integrity and functions in accordance with standards, rules, and regulations, particularly those systems or equipment operated under permits or licenses granted by other governmental agencies;
• Interprets and applies required codes or standards to work situations;
• Interprets complex blueprints, schematics, and diagrams to facilitate work;
• Prepares working sketches, drawings, and estimates of resources required for assigned projects;
• Repairs or operates specialized equipment such as submersible pumps, speed increase rs and decreases, blowers, conveyors, gear boxes, mixing equipment, and industrial stationary engines;
• Demonstrates knowledge of precision measuring equipment such as micrometers and dial indicators;
• Coordinates equipment and system modifications or maintenance with operations and maintenance staff and supported facility managers or end‑users, to assure minimal disruption of services and seamless customer services;
• Inspects, services, and maintains common and specialized tools, equipment, and vehicles used in performance of duties;
• Utilizes and ensures fellow staff utilize standard occupational safety practices and equipment;
• Maintains comprehensive records of work performed, modifications to equipment or systems, and related operations logs;
• Prepares periodic and special reports for management on equipment, systems, and/or facilities supported or maintained;
• Conducts on‑the‑job training of operators and maintenance staff;
• May inspect and lead the work of equipment operators and maintenance staff.

Five years of mechanical maintenance experience in the fabrication, installation, or repair of large heavy‑duty industrial mechanical equipment, deep well turbine pumps, submersible or centrifugal booster pumps.

Or

Three years of…