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Weee!

Ethnic groceries marketplace with free delivery

Ammonia Chief Refrigeration Engineer

HVAC & Building SystemsConfirmed live in the last 24 hours
Full-timeClifton, NJ, USA

About the Job

Requirements

  • Must possess a Gold Seal Operating Engineer’s license issued by the state of New Jersey.
  • Must have at least five years of ammonia and freon-based refrigeration experience.
  • Experience with cooling processes, ammonia refrigeration, and other freon-based facilities within a produce, food-processing, or storage facility is a plus.
  • Experience with screw and reciprocating compressors, recirculation pumps, HVAC units, boilers, air compressors, and associated control systems.
  • Work experience in ammonia system pump-downs and repairs.
  • Knowledge of chemical testing for cooling towers and ammonia systems is preferred.
  • Strong electrical and mechanical troubleshooting skills.
  • Ability to understand refrigeration blueprints, piping and instrumentation diagrams, and cut sheets.
  • Trained and experienced in lockout/tagout and safe work practices.
  • Must be able to respond to emergencies if needed 24/7, including after hours and weekends.
  • Professional knowledge of industrial maintenance and standards.
  • Able to climb stairs and ladders, be trained in fall protection, and work at variable heights.
  • Able to lift, push, and pull 50 pounds.
  • Able to work at roof height and outdoors, including cold, wet, and cold-storage conditions.

Responsibilities

  • Maintain ammonia refrigeration and other freon-based cooling systems, including operation, maintenance, and repairs.
  • Maintain and operate single-stage, two-stage, and cascade ammonia systems and subsystems.
  • Monitor the refrigeration system for abnormal operating pressures, temperatures, and conditions; adjust or repair systems, or schedule service as required.
  • Handle refrigeration system components, including vacuum pumps, chillers, evaporators, condensers, compressors, controls, and valves.
  • Perform and delegate daily, weekly, monthly, and annual inspections and preventive maintenance on refrigeration equipment and other cooler machinery on and off-site as needed.
  • Perform other maintenance duties such as plumbing, replacing valves, installing fixtures, and detecting and repairing leaks as needed.
  • Handle hazardous materials as directed and follow Occupational Safety and Health Administration and Environmental Protection Agency guidance.
  • Monitor and record system readings to document equipment and system operation, and provide reports and troubleshooting.
  • Respond to emergency breakdowns of refrigeration systems.
  • Procure quotations and bids for work scopes, repairs, parts, and construction projects as needed.
  • Ensure continuous training and competency on refrigeration updates and standards.
  • Train personnel in routine checks and system procedures in accordance with standard operating procedures.
  • Act in accordance with emergency action plans and technical guidance during emergencies and system malfunctions.
  • Handle unscheduled and emergency shutdowns of equipment.
  • Ensure all refrigeration equipment functions safely and optimally.
  • Ensure continuous operation of facility utility systems and support preventive maintenance programs.
  • Assist with record-keeping and training requirements for all components of the ammonia refrigeration system in compliance with state and federal guidelines.
  • Perform duties assigned by the facility manager.

Desired Qualifications

  • Hazmat Responder Certification is preferred.

About the Company

Weee!

Ethnic groceries marketplace with free delivery

Weee! is an online marketplace that serves Asian and Hispanic communities in North America by offering a wide range of groceries, snacks, beverages, cosmetics, and health items sourced from countries like China, Mexico, Korea, Japan, Taiwan, Hong Kong, Thailand, and Vietnam. Customers shop via the website or mobile apps on iOS and Android, place orders, and receive free delivery with no extra fees. The company differentiates itself by direct sourcing from international suppliers and a focus on authentic ethnic products, supported by dedicated delivery and customer service teams to ensure timely, friendly service. The goal is to become the leading online destination for ethnic groceries, supporting multicultural communities and enabling easy access to high-quality, authentic foods at no added delivery cost, driving growth in the ethnic grocery market.

Company size
501-1,000
Company stage
Series E
Total funding
$835.1M
Headquarters
Fremont, CA
Founded
2015

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