HVAC Maintenance Technician

Job Description Job Description We are seeking a skilled HVAC Maintenance Specialist to support operations at an advanced investment casting facility . This role is responsible for maintaining, troubleshooting, and optimizing industrial HVAC systems to ensure reliable facility performance. The ideal candidate will have strong experience with commercial/industrial HVAC equipment , electrical troubleshooting , and preventive maintenance in a manufacturing environment. Responsibilities: Diagnose, repair, and maintain large rooftop units (RTUs) including compressors, economizers, VFDs, and control systems . Perform troubleshooting and maintenance on chilled water systems , including chillers, pumps, air handlers, coils, and valves . Conduct system testing using multimeters, gauges, oscilloscopes, and diagnostic tools to evaluate performance. Perform refrigerant recovery, charging, leak detection , and maintain compliance documentation. Execute preventive maintenance (PM) schedules for RTUs, chillers, cooling towers, and mechanical equipment . Inspect ductwork, rooftop curbs, mechanical seals , and HVAC infrastructure. Troubleshoot electrical, mechanical, and automation systems while identifying root causes and corrective actions. Maintain accurate maintenance records using CMMS platforms and digital maintenance tools. Qualifications: Minimum 5 years of hands-on experience with commercial or industrial HVAC systems , preferably in manufacturing environments. Required State HVAC License/Class A Certification (Florida Class A preferred). Strong knowledge of HVAC controls, temperature/humidity systems, electrical schematics, and automation troubleshooting . Experience with AAON or Trane equipment is a plus. Proficiency in preventive maintenance, root cause analysis, problem-solving, and equipment diagnostics . Ability to work independently, prioritize tasks, and collaborate in a safety-focused environment. Must be authorized to work in the U.S. without current or future employer-sponsored work authorization.