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Duty Plant Operator

Job in Phoenix, Maricopa County, Arizona, 85003, USA
Listing for: Maricopa County, Arizona
Apprenticeship/Internship position
Listed on 2026-07-02
Job specializations:
  • Engineering
    HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic
Job Description & How to Apply Below

Duty Plant Operator

Operations and Maintenance is a customer-driven support division that provides day-to-day maintenance and ensures the successful operation of all County Facilities. The Duty Plant Operator operates and monitors the 24-hour Facilities Operation Center. This position initiates corrective action in trouble or emergency situations by dispatching appropriate staff for various HVAC equipment, mechanical equipment, boilers, fire and elevator alarms, and other services.

This is a 24/7 operations support position that includes overnight and weekend hours and is subject to shift differential pay. This position requires the employee to be in the office and or customer-facing for all hours worked.

As the landlord for all facilities owned by Maricopa County, the Facilities Management Department is responsible for the planning, design, construction, maintenance, and operations of more than 200 facilities comprised of over 10 million square feet. Facilities Management is made up of a collaborative team that provides and performs various functions to meet the facility-related needs of all Maricopa County Departments.

Our broad range of services includes various aspects of the ongoing operations and maintenance of all County-owned facilities, management of all facility projects, and in-house design services.

Proud to

Offer:

  • Work with a greater purpose
  • Tuition reimbursement
  • Exceptional work-life balance
  • Opportunities for growth and development within Maricopa County
  • Low-cost, high-value healthcare for you and your qualifying dependents
  • Child care benefits, including access to our on-site center, Maricopa County Kids Club, dedicated to serving Maricopa County families
  • Paid vacation, sick time, and parental leave
  • Extensive wellness program, including an incentive
  • Enrollment in the Arizona State Retirement System, a defined retirement benefit requiring a 12% monthly contribution rate that includes a 100% employer match on Day 1

We Require:

  • Three years of experience operating and maintaining equipment for building systems, such as HVAC, boilers, combustion controls, water treatment systems, or performing stationary engineer duties
  • High school diploma or GED
  • Completion of an apprenticeship program or vocational education may substitute for up to one year of the experience requirement

Other Requirements:

  • Successful candidates must currently possess, or have the ability to obtain, a valid Arizona driver's license by the time of hire
  • Must complete a Prison Rape Elimination Act (PREA) and MCSO background investigation and TOC certification to access County detention facilities

We Also Value:

  • Experience in industrial or heavy commercial, institutional/detention environment
  • Experience in the use of Facilities Automation Systems (FAS)
  • Trained in the use of Maximo or other computer-based work order management systems
  • Experience in Microsoft Office Suite

Job Contributions:

  • Operate PCs, boilers, air handlers, air compressors, domestic water system, chilled water system, water softeners, heating system, air movement equipment, sewer injection systems
  • Input and dispatch routine and emergency work orders using the maintenance management system and Windows software. Maintain constant verbal communications with clients and field technicians, monitor and control temperatures utilizing the Facilities Automation System computer, notify proper authorities and management staff on emergency calls
  • Monitor HVAC, chemical treatment/refrigerant alarms, elevator and fire alarms, and respond appropriately; respond to building indoor air quality issues
  • Maintain the duty operator log and a variety of other daily logs
  • Collect and analyze data to ensure the continuous operation of pump systems and air handling equipment throughout the administration, courts, jails, and other buildings of the County
  • Call out on-call personnel during after-hours emergency situations
  • Other job duties as assigned

Working Conditions:

  • Exerting 20 - 25 pounds occasionally, 10 - 25 pounds frequently, or up to 10 pounds constantly
  • Incumbent may be subjected to moving mechanical parts, vibrations, fumes, odors, dusts, poor ventilation, chemicals, oils, extreme temperatures, inadequate…
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