Sr. Commercial HVAC Service Technician @ Four Star Mechanical

Four Star Mechanical
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Summary:

Four-Star Mechanical is seeking a highly skilled Senior Commercial HVAC Service Technician with extensive experience servicing, troubleshooting, and repairing commercial HVAC equipment, including Variable Refrigerant Flow (VRF) systems. The ideal candidate is a self-driven professional who can work independently, provide exceptional customer service, and maintain the highest safety standards.

Schedule:

  • 8-hour shifts, Monday–Friday

  • Overtime and rotating on-call availability (7-day rotations)

Key Responsibilities:

  • Install, maintain, and repair HVAC and refrigeration systems, including boilers, chillers, fans, pumps, valves, thermostats, and motors

  • Perform routine inspections and preventive maintenance

  • Install, commission, and troubleshoot VRF systems

  • Diagnose and fix mechanical and electrical issues

  • Work with copper tubing and piping, including cutting, threading, testing, and insulating

  • Use hand tools, power tools, and test equipment safely

  • Ensure compliance with safety practices and building codes

  • Read and follow blueprints, diagrams, and work orders

  • Provide excellent customer service and complete billing paperwork

  • Support emergency repairs while on-call

  • Perform other duties as assigned

Qualifications:

  • 5+ years of commercial HVAC, plumbing, or refrigeration experience

  • HVAC and brazing license required

  • Journeyman HVAC license preferred

  • Universal Refrigerant License required

  • Hydronic or plumbing licenses a plus

  • Valid driver’s license and clean driving record

  • Able to be on a rotating on-call schedule

  • Must be able to access and work on active construction sites

Preferred:

  • Basic knowledge of direct digital controls (DDC) and network systems (TCP/IP, RS-485)

Work Environment:

  • Work may be done in an office or on job sites

  • Fieldwork includes exposure to outdoor weather, heights, mechanical parts, and loud noise

  • Must be physically present at job sites as needed

  • Flexibility with hours may be required

Physical Requirements:

  • Standing and walking for extended periods

  • Lifting up to 50 lbs or more

  • Bending, kneeling, crouching, and reaching regularly

  • Occasional desk/computer work

  • Must be able to navigate all areas of job sites