HVAC Mechanic II (Grade 11)

This position is advertised from the minimum to the mid-point hourly rate. Salary will be determined based on education and experience at the time of offer. NATURE OF WORK Under general supervision, performs work of moderate difficulty in skilled HVAC maintenance and repair work; this position has department specific responsibility. RESPONSIBILITIES Installs, operates, monitors, inspects, maintains, and repairs heating, ventilation, air conditioning and refrigeration systems throughout all County facilities. Conducts periodic and routine inspections of public building HVAC systems, exhaust fans and similar equipment, control systems and units. Installs, maintains, replaces and adjusts compressors, pumps, blowers, fans, copper tubing, heat exchange equipment, various types of valves, filters, and driers, pressure control devices, and temperature, humidity, and air control devices. Reviews work orders, identifies material and equipment needs for each assigned project, troubleshoots repair and maintenance issues, and resolves problems. Performs other duties as assigned and makes emergency service calls after normal business hours; regular and reliable attendance is required. Monitors heating, ventilation, refrigeration, and air conditioning systems to ensure systems and controls are operating properly; reads and calibrates gauges, Digital Control Systems (DCS), thermostats, and thermometers. Checks expansion coils for excessive ice formation, listens for unusual noises, checks oil and refrigerant levels, and checks piping and fittings for refrigerant leaks. Checks air filters for cleanliness, checks operation of fans, dampers, louvers, and controls of air movement; tests and treats water in closed heating and cooling systems and water‑cooled condensers to control deposits of solids and algae. QUALIFICATIONS High School Diploma or GED equivalent. Four (4) years of experience in the air conditioning and refrigeration trade; or an equivalent combination of education and experience. SPECIAL REQUIREMENTS Must possess EPA Universal Certification 608 for compliance with liquid refrigerant recovery and record keeping regulatory requirements. Must possess and maintain a valid Arizona driver’s license. BACKGROUND CHECKS County: Requires successful completion of a background check. Sheriffs: Must successfully pass a background check to the satisfaction of the Yuma County Sheriff’s Department. KNOWLEDGE County policies and procedures; refrigeration and air conditioning maintenance practices including control systems; ventilating and heating systems including safe handling and record keeping procedures; and occupational hazards and required preventive methods. SKILL Reading blueprints, specifications, and sketches. Solving problems using practical mathematics. Using test instruments related to the trade. Operating a variety of equipment, tools, and materials common to the trade safely. Maintaining safety standards and following written and verbal instructions. ABILITY Be exposed to exhaust, chemical fumes, and hazardous materials. Lift 25 pounds. Work in varying extreme weather conditions and varying shifts, weekends, and holidays. Recognize hazardous conditions and react appropriately. Establish and maintain effective working relationships with co‑workers. Follow written and verbal instructions. Stand and bend (30%). Walk and stoop (20%). Perform the essential functions of the job specifications with or without a reasonable accommodation. WORK ENVIRONMENT The job requires lifting, carrying, pushing, and/or pulling; stooping, kneeling, crouching, and/or crawling. Generally the job requires 30% bending, 20% walking, 20% stooping and 30% standing. The job is performed under varying extreme weather conditions and may have risk of exposure to communicable diseases. EOE/AA/ADAAA/M/F/V/D DRUG FREE WORKPLACE #J-18808-Ljbffr