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HVAC Service Technician

Job in Saint Petersburg, Pinellas County, Florida, 33739, USA
Listing for: The JOY FM
Full Time position
Listed on 2026-01-01
Job specializations:
  • Engineering
    HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic
  • Trades / Skilled Labor
    HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic
Job Description & How to Apply Below

Description:

Position Overview:

We're seeking a Level 4 Commercial HVAC Service Technician with extensive experience in DDC controls and complex mechanical systems. This senior-level position focuses on commercial and industrial HVAC applications requiring advanced technical expertise in both mechanical and electronic building systems.

Technical Proficiencies:

  • Demonstrated mastery of psychometrics and building load calculations
  • Advanced diagnostics of direct expansion (DX) and chilled water systems
  • Expert-level knowledge of refrigeration cycles including subcooling, superheat analysis, and TXV operation
  • High-level proficiency in BACnet, Modbus, and other building automation protocols
  • Advanced electrical troubleshooting including single/three-phase motors and VFD parameters
  • Core Competencies:

  • Refrigeration cycle analysis and diagnostics
  • Advanced electrical schematic interpretation and controlling logic troubleshooting
  • VFD commissioning, programming, and fault diagnostics
  • Refrigerant handling and EPA compliance (Universal certification required)
  • Direct Digital Control (DDC) systems programming and integration
  • Specialized System Knowledge:

  • Energy Recovery Ventilation (ERV) balancing and enthalpy wheel maintenance
  • Economizer sequence optimization and mixed-air temperature control
  • Static pressure diagnostics and TAB (Testing, Adjusting, and Balancing)
  • Advanced airside diagnostics including:
  • Supply/return plenum pressure relationships
  • External static pressure (ESP) measurements
  • Duct traverses and K-factor calculations
  • VAV box calibration and flow verification
  • Performance Requirements:

  • Proficient in commercial chillers, RTUs, and split systems
  • Advanced understanding of building pressurization and air balancing
  • Experience with parallel rack systems and multiple compressor applications
  • Qualifications:
    - 3-5 Years Experience in Commercial/Industrial space
    - Boiler/Chiller Experience is preferred
    - EPA Certification
    - Clean Driving Record

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    Position Requirements
    5+ Years work experience
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