Industrial HVAC Technician

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Greenwood, SC, US

ES Foundry Corp is a U.S.

-based solar manufacturing company helping strengthen America's clean energy supply chain by producing high-quality photovoltaic solar cells at our state-of-the-art manufacturing facility in Greenwood, South Carolina. Our work supports domestic energy production, U.S. manufacturing growth, and the continued expansion of renewable energy solutions for customers across the solar industry.

Joining ES Foundry means becoming part of a growing team with a meaningful mission and long-term career potential. Employees have the opportunity to learn from experienced industry leaders, contribute to advanced manufacturing operations, and help build products that support a more reliable and sustainable energy future. We are committed to fostering a workplace grounded in Safety, Integrity, Teamwork, Accountability, Customer Focus, and Entrepreneurial Spirit.

The HVAC Technician plays a key hands-on role in maintaining, troubleshooting, repairing, and supporting the heating, ventilation, air conditioning, refrigeration, and cleanroom environmental control systems that support our photovoltaic manufacturing operations. This position helps ensure reliable equipment performance, proper temperature and humidity control, cleanroom air quality, and production uptime. The role works closely with facilities, maintenance, engineering, and production teams to perform preventive maintenance, respond to equipment issues, complete repairs, document work performed, and support a safe and compliant manufacturing environment.

• Perform preventive maintenance, troubleshooting, repairs, and adjustments on HVAC and refrigeration equipment, including air handling units, rooftop units, make-up air units, exhaust systems, chillers, pumps, motors, belts, dampers, valves, sensors, and controls.
• Monitor HVAC and cleanroom environmental conditions, including temperature, humidity, air pressure, airflow, and particulate control, and respond to alarms or out-of-spec conditions.
• Inspect, test, diagnose, and repair HVAC system malfunctions to minimize equipment downtime and production disruption.
• Replace or clean filters, belts, bearings, motors, coils, sensors, and other HVAC components as needed to maintain system efficiency and reliability.
• Support operation and basic troubleshooting of building automation systems (BAS), equipment controls, and monitoring systems.
• Assist with cleanroom air balancing, filter changes, equipment inspections, and environmental control activities.
• Read and interpret equipment manuals, drawings, schematics, work orders, and preventive maintenance instructions.
• Safely handle refrigerants in accordance with applicable EPA requirements and company procedures.
• Maintain accurate maintenance records, service reports, parts usage documentation, and equipment inspection logs.
• Coordinate with maintenance, facilities, production, engineering, and outside contractors to complete repairs and support facility needs.
• Performs all other duties as assigned.

• High school diploma or GED required; technical school, trade school, or apprenticeship training in HVAC, refrigeration, mechanical maintenance, or a related field preferred.
• Minimum of 2-4 years of hands-on HVAC maintenance, repair, or facilities maintenance experience in an industrial, commercial, manufacturing, or cleanroom environment preferred.
• EPA Section 608 Certification required or ability to obtain within a defined period;
  Universal certification preferred.
• Working knowledge of HVAC equipment, refrigeration systems, electrical controls, mechanical systems, and preventive maintenance practices.

• Experience maintaining industrial HVAC systems, chillers, make-up air units, air handlers, exhaust systems, pumps, and process cooling equipment.
• Experience working with building automation systems (BAS) such as Johnson Controls, Siemens, Honeywell, or similar platforms.
• Ability to troubleshoot mechanical, electrical, refrigeration, and control-related issues.
• Familiarity with cleanroom environments, HEPA filtration, differential pressure, humidity control, and environmental monitoring preferred.
• Basic computer skills for entering work orders, documenting maintenance activity, and reviewing equipment data.
• Knowledge of…