> Markdown version of [/jobs/ext/3595743-refrigerated-room-start-up-technician-c02-generated-systems](https://www.wearedevelopers.com/jobs/ext/3595743-refrigerated-room-start-up-technician-c02-generated-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Refrigerated Room Start Up Technician (C02 generated systems) - **Company:** EMCOR Group Inc. - **Location:** Raleigh, NC, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Microsoft Outlook, Computer Literacy, Microsoft Office, Data Logging - **Published:** October 6, 2026 - **Apply:** https://dejobs.org/x/x/6DF55CA064934EA587E6CBE321A270B6/job/ ## About the Role * 3+ years of experience in commercial refrigeration construction. * experience with CO2 (R-744), including installation, maintenance, and troubleshooting. * Proficient with reading and understanding electrical and refrigeration drawings. * Ability and willingness to learn our chamber types: Ultra-Low, Stability, Wide Range, Light, Dry. * Valid drivers' license and a safe and insurable driving record. * Controls experience both hands-on (wiring concepts) and with controls software preferred. * Ability to handle multiple projects and related tasks and functions. * Must be computer literate and able to use Microsoft Office (Outlook, Excel, Teams, etc.) * Maintain a clean and professional appearance. * Exhibit good communication and customer service skills. * Possess work accuracy and attention to detail * Must be able to travel out of state for 2.5 week rotations. Physical Demands Continuous standing and frequent walking on concrete floor in industrial settings. Frequent use of arms, bending and twisting; occasional climbing and working on top (heights) of our chambers. ## Description Environmental Specialties is seeking a Startup Technician with ( C02 system experience ) commercial construction refrigeration experience that will be responsible for travelling around the USA for 2.5 weeks at a time and commissioning the startup and testing our Cascade and Compound refrigerated walk-in environmental chambers ranging from temperature and RH 40 C 75% RH to -80C on either construction sites or existing pharmaceutical customer sites., * Completes testing performance of all chambers after initial start with data loggers. * Performs pressure tests and evacuates refrigeration systems. * Charges and adjusts valves as needed, including TXV, CPR, EPR and water regulator valves. * Document all equipment data along with refrigerant charge, voltages and amp draw of all equipment. * Tunes and adjusts electronic and mechanical systems controls. * Will work on out-of-town projects on 2.5-week rotations. * Other related duties could be assigned as needed.