Refrigeration​/HVAC Maintenance Technician - Ripon

Refrigeration/HVAC Maintenance Technician 4 - Ripon

The Wine Group, 17000

E. Highway 120, Ripon, California, United States of America

Posted Tuesday, April 21, 2026 at 10:00 AM

The Wine Group (TWG) is a leading producer of award-winning wines and alcoholic beverages across 120+ brands. With operations in California, New York and Australia, TWG is an innovator in developing and marketing brands beloved by consumers globally, including Cupcake, Franzia, Benziger, Imagery, Tribute, Chloe, Meiomi, Cooks, 7 Deadly, Cooper & Thief, and more. We produce our products using sustainable practices to create delicious beverages that people can feel good about.

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Serve as a highly skilled technical expert responsible for the safe, efficient operation, maintenance, troubleshooting, and optimization of industrial ammonia refrigeration systems and HVAC equipment used for precise wine and juice temperature control, as well as facility climate management. The Refrigeration/HVAC Technician will perform advanced diagnostics, repairs, and preventive maintenance on ammonia-based central systems (including compressors, condensers, evaporators, vessels, valves, pumps, and controls) and HVAC components (such as chillers, air handlers, rooftop units, and ductwork).

In the absence of the Sr. /HVAC Tech, assume supervisory responsibilities for daily HVAC/refrigeration operations, ensuring compliance with all safety protocols (including PSM/RMP for ammonia), company SOPs, and regulatory standards (OSHA, EPA). Maintain product integrity, promote energy efficiency, and drive continuous improvement initiatives to enhance system reliability, reduce downtime, and minimize costs/waste.

They will also help in the administration of company, department rules, regulations, and standard operating procedures. The technician will be held accountable in maintaining product integrity and creating safe an efficient production flow according to TWG protocols.

• Expertly operate, monitor, troubleshoot, repair, and maintain industrial ammonia refrigeration systems, ensuring optimal performance for wine/juice temperature control while adhering to Process Safety Management (PSM) and Risk Management Program (RMP) requirements.
• Diagnose and resolve complex mechanical, electrical, and control issues in ammonia systems (e.g., screw/reciprocal compressors, evaporative condensers, glycol/brine loops) and HVAC systems (e.g., package units, split systems, chilled water loops).
• Perform preventive and predictive maintenance, including inspections, oil analysis, vibration monitoring, leak detection/repair, valve overhauls, pump-outs, and system pump-downs/restarts, following all mandated safety procedures.
• Complete accurate documentation, including logs, maintenance records, work orders, PSM checklists, and regulatory compliance reports.
• Demonstrate strong leadership: train and mentor team members on refrigeration/HVAC processes, safety protocols, and SOPs; assign workloads and evaluate performance when acting in a supervisory capacity.
• Analyze operational data to identify inefficiencies, recommend improvements (e.g., energy‑saving upgrades, process optimizations), and proactively address potential issues to prevent downtime or quality impacts.
• Interact effectively with management, vendors, contractors, and cross‑functional teams; communicate technical information clearly in verbal and written form.
• Ensure full compliance with all company policies, safety standards, GMPs, OSHA/EPA regulations, and winery‑specific protocols for hazardous chemical handling (including ammonia).

• Support emergency response and participate in incident investigations related to refrigeration/HVAC systems.
• Assist with system installations, modifications, or upgrades as needed.
• Model The Wine Group core values in all decisions and actions.
• This job description reflects management’s assignment of essential functions; it does not restrict additional tasks that may be assigned.
• Must have ability to learn and effectively train others on all work processes in accordance to SOP and Safety Programs and hold others accountable as…