HVAC Technician

Woojin IS America, Inc; Carson (CA); On-site; USD 52,000 - 78,000; Full time

Job summary

Woojin IS America, Inc is seeking an HVAC Technician to inspect, troubleshoot, repair, refurbish, install, and test railcar HVAC systems and components. You will work with mechanical and electrical troubleshooting, refrigerant-system service, and system commissioning per drawings and safety procedures.

The ideal candidate has hands-on HVAC experience, strong mechanical and electrical skills, and the ability to read schematics.

Qualifications

• Two or more years of hands-on HVAC experience in transportation or industrial contexts.
• Ability to troubleshoot electrical and mechanical HVAC systems.
• Ability to read electrical schematics and mechanical drawings.
• High attention to detail and safety compliance.

Responsibilities

• Inspect, diagnose, repair, refurbish, install and test HVAC systems in railcars.
• Troubleshoot mechanical, electrical, and refrigeration issues.
• Perform preventive and corrective maintenance on HVAC equipment.
• Document test results and maintain records.

Skills

HVAC experience

Troubleshooting

Schematics reading

Independent work

Education

High school diploma or GED

Tools

HVAC diagnostic equipment

Electrical diagnostic equipment

Job description

The HVAC Technician inspects, troubleshoots, repairs, refurbishes, installs, and tests heating, ventilation, air conditioning, and related climate-control systems and components used in railcars.

The position performs mechanical and electrical troubleshooting, refrigerant-system service, component replacement, wiring and connection work, and functional testing in accordance with engineering drawings, work instructions, applicable requirements, safety procedures, and customer specifications.

The ideal candidate has hands-on HVAC experience, strong mechanical and electrical troubleshooting skills, and the ability to work with HVAC equipment in a manufacturing, maintenance, or transportation environment.

Essential Duties and Responsibilities

• Inspect, diagnose, repair, refurbish, install, and test HVAC systems and components used in railcars.


• Troubleshoot mechanical, electrical, airflow, control, and refrigeration-system problems.


• Perform preventive and corrective maintenance on HVAC equipment.


• Diagnose issues involving compressors, condensers, evaporators, blowers, motors, fans, thermostats, controls, valves, sensors, heaters, and related components.


• Perform refrigerant recovery, evacuation, charging, leak testing, and system commissioning when qualified and required.


• Use gauges, meters, electrical test equipment, thermometers, and other diagnostic tools to identify system problems.


• Read and interpret electrical schematics, wiring diagrams, mechanical drawings, HVAC diagrams, and technical manuals.


• Install, remove, replace, repair, and reconnect HVAC components and associated electrical wiring.


• Perform brazing or soldering of refrigerant lines and tubing when qualified and required.


• Verify refrigerant flow, pressures, temperatures, airflow, electrical connections, controls, and overall system operation.


• Perform system testing and document test results.


• Identify defective or worn components and recommend appropriate repair or replacement.


• Disassemble and reassemble HVAC equipment during railcar refurbishment.


• Ensure components are properly secured, connected, insulated, and protected against vibration and movement.


• Follow approved work instructions, engineering specifications, and customer requirements.


• Maintain accurate production, repair, inspection, refrigerant, and testing records.


• Maintain tools, equipment, and work areas in a clean and safe condition.


• Properly handle refrigerants, compressed gases, chemicals, and other hazardous materials.


• Coordinate with Production, Engineering, Quality, Electrical, Mechanical, and other teams to resolve technical issues.


• Assist with identifying recurring HVAC failures and recommend process or design improvements.

Required Qualifications

• High school diploma or GED preferred.


• Two or more years of hands-on HVAC experience in residential, commercial, industrial, transportation, or manufacturing environments.


• Working knowledge of refrigeration and HVAC principles.


• Ability to troubleshoot electrical and mechanical HVAC systems.


• Ability to read and interpret electrical schematics and mechanical drawings.


• Experience using electrical and HVAC diagnostic equipment.


• Ability to use hand tools, power tools, gauges, meters, and other HVAC service equipment.


• Ability to safely handle refrigerants and related materials when assigned to refrigerant work.


• Ability to work independently and follow technical instructions and procedures.


• Strong attention to detail and commitment to quality and safety.

Preferred Qualifications

• Experience working on railcars, locomotives, buses, transit vehicles, or other transportation equipment.


• Experience with mobile HVAC systems.


• Experience with commercial or industrial refrigeration systems.


• Experience with HVAC systems using electrical controls, programmable controllers, sensors, or electronic control systems.


• Experience brazing copper or refrigerant tubing.


• Experience interpreting detailed electrical schematics and HVAC system diagrams.


• Experience working under customer-specific quality requirements.


• Experience with preventive maintenance programs and computerized maintenance or production systems.

Certifications

The following may be required depending on the equipment and work performed:

• EPA Section 608 Technician Certification for work involving regulated refrigerants, as applicable.


• Manufacturer-specific HVAC training or certification, where applicable.


• Other customer- or project-specific qualifications.

Physical Requirements

• Ability to stand, walk, bend, kneel, climb, reach, and work in confined or awkward positions.


• Ability to work inside and around railcars for extended periods.


• Ability to lift and carry components and tools weighing up to 50 pounds.


• Ability to use hand and power tools safely.


• Ability to work around electrical equipment, refrigerants, machinery, heat, noise, dust, and industrial chemicals.


• Ability to wear required personal protective equipment.