HVACR MASTER TECHNICIAN

Duke Careers•Durham, NC

3d•Onsite

About The Position

As an HVACR Master Technician, you will apply advanced technical expertise to maintain, troubleshoot, and optimize a wide range of HVACR systems across Duke facilities. This role requires independent judgment, strong diagnostic skills, and a commitment to safety, quality, and continuous improvement.

Requirements

Advanced technical expertise in HVACR systems.
Independent judgment and strong diagnostic skills.
Commitment to safety, quality, and continuous improvement.
Proficiency in maintaining, troubleshooting, repairing, balancing, and analyzing all types of HVACR equipment and systems.
Experience servicing a wide range of HVACR components including AC units, chillers (various types), refrigeration systems, and research HVACR equipment.
Expertise in troubleshooting, repairing, and adjusting pneumatic, electronic, and line-voltage controls.
Ability to program and troubleshoot Variable Frequency Drives (VFDs).
Proficiency in programming, monitoring, and adjusting automated building control systems and terminal-level controllers, including using the Facilities Automated Control System.
Ability to read and interpret blueprints, block diagrams, ladder diagrams, and electrical schematics.
Skills in HVAC system performance analysis using psychrometrics and computer-based tools, including air and water balancing.
Competence in installing HVAC components and piping, including brazing and soft-soldering.
Experience in commissioning HVAC equipment for new construction and renovation projects.
Knowledge of HVAC design review, site surveys, planning, estimating, and project coordination.
Thorough understanding and adherence to refrigerant handling, recovery, and documentation (Duke and federal guidelines).
Proficiency in maintaining service reports, preventive maintenance records, and inventory documentation.
Strong commitment to safety protocols including lockout/tagout, PPE, hazardous waste, and OSHA.
Ability to handle, store, transfer, and dispose of HVAC filters and chemical treatments properly.
Ability to assist and mentor other mechanics and follow instructions.

Responsibilities

Maintain, troubleshoot, repair, balance, and analyze all types of HVACR equipment, systems, designs, and applications.
Service air conditioning units, water coolers, split systems, heat pumps, mixing boxes, air handlers, exhaust fans, supply fans, and fume hoods.
Maintain and repair DX equipment (up to 5 tons), refrigeration systems, ice machines, freezers, coolers, and research HVACR equipment.
Troubleshoot and repair hermetic, semi-hermetic, reciprocating, scroll, centrifugal, and screw chillers.
Perform preventive maintenance on airside and waterside systems including coils, pumps, towers, compressors, and valves.
Troubleshoot, repair, and adjust pneumatic, electronic, and line-voltage controls.
Program and troubleshoot variable frequency drives (VFDs).
Program, monitor, and adjust automated building control systems and terminal-level controllers.
Use the Facilities Automated Control System to identify system issues and implement corrective actions.
Read and interpret blueprints, block diagrams, ladder diagrams, and electrical schematics.
Analyze HVAC system performance using psychrometrics and computer-based analysis tools.
Monitor temperature and pressure readings for historical tracking and system optimization.
Perform air and water balancing and make appropriate operational adjustments.
Identify and correct deficiencies in pneumatic, electrical, airside, and waterside systems.
Install wiring, prefabricated ductwork, motors, pumps, compressors, and related components.
Braze and soft-solder refrigerant, pneumatic, and water piping.
Commission HVAC equipment and systems for new construction and renovation projects.
Conduct site surveys, review HVAC designs and blueprints, and submit written recommendations.
Assist with HVAC-related planning, estimating, and project coordination.
Properly add, recover, and document refrigerant in accordance with Duke and federal guidelines.
Maintain refrigerant logs, service reports, preventive maintenance records, and inventory documentation.
Follow lockout/tagout, PPE, hazardous waste, and OSHA safety protocols.
Properly handle, store, transfer, and dispose of HVAC filters and chemical treatments.
Assist and mentor other mechanics by following oral and written instructions.
Clean mechanical rooms, deliver parts, and support team operations as needed.
Participate in on-call or standby rotations as defined by the Local 465 agreement.