HVAC Master Mechanic

IntrepidGS

About The Position

The HVAC Master Mechanic installs, services, and repairs environmental-control systems in residences and commercial establishments, including department stores and office buildings. The work applies refrigeration theory, pipefitting, and knowledge of structural layouts. The mechanic mounts compressor and condenser units, fabricates and installs ductwork and chassis parts, and installs evaporator units in chassis or air-duct systems, following blueprints and engineering specifications. The role includes fabricating and joining refrigerant tubing and piping, installing valves and control components, connecting motors, compressors, ventilation fans, and controls to power sources, and fitting air and water filters. The mechanic tests systems, adjusts operating pressure and controls, checks for leaks, insulates pipes, and repairs electrical and control components. The position may also involve servicing air conditioners from 15 to 150 tons, chillers up to 600 tons, refrigerated walk-ins and reach-ins, cold storage plants, boilers, and related HVAC equipment. An active Top Secret security clearance is required.

Requirements

High school diploma or equivalent.
Five to seven years of journey-level HVAC experience.
Completion of an HVAC apprenticeship.
Freon recovery certificate.
Active Top Secret security clearance.
Extensive knowledge of specialized HVAC functions and their practical application to complex problems and situations.
Knowledge of hand and power tools common to the trade.
Ability to interpret and apply codes, blueprints, wiring diagrams, and engineering drawings.
Knowledge of ISO 9002 and JCAHO standards, pneumatic and electronic controls, and Trane Tracer Summit, Honeywell, and Johnson Controls software.
Experience with mechanical industrial water treatment, quality assurance, and inspection.
Ability to operate and adjust boilers and service chillers up to 150 tons and related HVAC equipment.
Ability to maintain, operate, and repair refrigerated walk-ins, reach-ins, cold storage plants, and air-conditioning and environmental-control systems up to 580 tons.
Experience with chiller systems up to 600 tons.

Nice To Haves

Relevant professional experience commensurate with the assignment may be considered.

Responsibilities

Install, service, and repair environmental-control systems in residential and commercial settings.
Mount compressor and condenser units and install evaporator units, ductwork, and chassis parts using tools and applicable blueprints or engineering specifications.
Cut, bend, cut threads in, and join refrigerant tubing and pipes; solder joints and install expansion and discharge valves.
Connect motors, compressors, temperature and humidity controls, and ventilation fans to control panels and power sources.
Install air and water filters in completed systems.
Test systems by injecting refrigerant, building operating pressure, monitoring pressure and vacuum gauges, and adjusting controls.
Test joints and connections for gas leaks and insulate pipes.
Replace defective breaker controls, thermostats, switches, fuses, and electrical wiring.
Operate, troubleshoot, maintain, and repair HVAC, refrigeration, boiler, and chiller equipment.
Maintain and repair refrigerated walk-ins, reach-ins, cold storage plants, and air-conditioning systems.
Operate and adjust boilers and service chillers and related HVAC equipment to support efficient operation and energy management.