**Description** Mesa Energy Systems is a wholly owned subsidiary of EMCOR Group, Inc. EMCOR is the world’s leading provider of mechanical and electrical construction and facilities services, including planning, consulting, and operations and maintenance. Mesa Energy Systems is a HVAC mechanical services company that provides fully integrated solutions for preventative maintenance and repair, upgrading existing mechanical, electrical, and controls systems to provide the most efficient economic solutions to meet customer expectations. **Job Title:** Refrigeration Service Technician **Principal Duties and Responsibilities** + The Refrigeration Service Technician is responsible for the operations, repairs, replacement, and preventative maintenance of commercial and industrial refrigeration equipment. + Must have a working knowledge of rack systems, walk-in coolers and freezers, ice machines, reach-in coolers and freezers, and basic HVAC equipment, including rooftop units, exhaust fans, make-up air units and associated electrical equipment. + Ability to diagnose and repair refrigeration equipment to include: + Strong understanding of the refrigeration circuit + Understand superheating and subcooling. + Hot gas circuits and operations + CPR’s EPR’s and head pressure control valves (ORI, OROA, LAC) + TXV/Orifice operations + Ability to perform leak checks (electronically and pressurized) + Ability to solder, braze, and pipe fit. + Understand reciprocating compressor operation. + Use different types of compressor oils. + Understand electrical circuits and processors. + Defrost clocks. + Defrost heaters. + Contactors + Relays + CPC Processors + Technicians will be familiar with all refrigeration equipment and all refrigerants. + Work with the Dispatch Team to ensure that the workload is accomplished in a complete and timely manner. + The individual must maintain safe work practices in support of the OSHA Health & Safety and NFPA 70e standards as it applies when performing the assigned duties. **Job Specifications** (incl. Education requirements, minimal experience, computer skills required, etc.) + High School Diploma or GED + 5 years of experience in maintaining similar type and size commercial equipment, along with a current Universal CFC certification + Strong oral and written communication required. + Ability to follow written and verbal instructions and perform duties with minimal supervision in isolated areas. + Knowledge and experience in the proper use and safe operation of hand tools, equipment, and testing devices necessary to perform all work assignments. + Ability to stand, sit, or squat for extended periods of time. + Ability to lift, move, and carry material up to 50 lbs. + Ability to climb stairs, ladders, and work at extended heights. + Ability to operate scissors and boom lifts + Ability to wear Personal Protective Equipment (PPE). i.e., but not limited to, Dust mask, gloves, eye protection, and hearing protection. + Working knowledge of desktop computers and Internet-based programs + A company uniform will be issued, and a neat personal appearance will be required. + This position will require a background check and drug screening. + Valid Driver’s license and able to maintain a good driving record. As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled. **Notice to prospective employees:** There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list open positions here. Please check our available positions to confirm that a post or email is genuine. \#Mesa \#LI-mesa \#LI-hvacjobs \#LI-Onsite