Ammonia Chief Refrigeration Engineer

About Weee! Weee! is the largest and fastest-growing ethnic e-grocer in the United States, operating in one of the largest underserved categories in retail with affordable access to exciting ethnic food. By partnering with local suppliers, redesigning the value chain and leveraging social buying, Weee! is reshaping the grocery business entirely. You can read more about us on Business Insider , Reuters and TechCrunch . Weee! is headquartered in Fremont, CA, and is currently available coast to coast with exceptional growth (5x YoY) across geographies, categories and ethnicities. We have raised $800M+ in funding to date from leading investors including Softbank Vision Funds , DST , Blackstone, Tiger Global, Lightspeed Ventures, Goodwater Capital, XVC and iFly. The opportunity now is to join a rocketship as we prepare for the next stage of growth, and an eventual public listing. This role is onsite 5 days a week in Clifton, NJ Responsibilities: • Maintain the Ammonia refrigeration and other freon based cooling systems including, but not limited to operation, maintenance, and repairs. • Maintain and operate single, two stage, cascade ammonia systems and subsystems • Monitor and identify abnormal operating pressures, temperatures, and conditions within the refrigeration system, adjust, repairs and/or schedule service as required • Thoroughly understanding and able to handle refrigeration system components, including vacuum pumps, chillers, evaporators, condensers, compressors, controls, and valves etc. • Perform and delegate to daily, weekly, monthly, annually inspections, and preventative maintenance on the refrigeration equipment and other cooler machinery on and off-site as needed • Perform other maintenance duties such as plumbing, replacing valves, installing fixtures, detecting, and repairing leaks as needed • Handle hazardous materials as directed and follow guidance of OSHA and EPA • Monitor and record all system readings to document operation of the equipment and the system and provide reports and troubleshooting • Respond to emergency breakdowns of the refrigeration systems • Procure quotations and bids for the order of work scopes, repairs, parts, and construction projects as needed • Ensure continuous training and competency of refrigeration updates and standards • Train personnel for routine check and system following the SOP • Thoroughly understand and can act upon based on EAP and technical guidance during emergency and system malfunction situations • Handle unscheduled and emergency shut down of equipment • Ensure all refrigeration equipment is functioning in a safe and optimal manner • Ensures continuous operation of all the facility utility systems and supports preventative maintenance programs. • Assists in the record-keeping and training requirements for all components of the Ammonia refrigeration system in compliance with State and federal guidelines. • Must perform duties as assigned by the facility Manager. Qualifications Must posses a Gold Seal Operating Engineer’s license issued by the state of New Jersey • Minimum of 5 or more year of Ammonia and freon based refrigeration experience • At least 4 years of active experience with cooling processes, ammonia refrigeration, and other freon based facilities within a produce and food processing and 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 system preferred • Strong electrical and mechanical troubleshooting skills • Ability to understand refrigeration blueprints, P&ID, and cut sheets • Hazma