Hiring: Mid-Level Start-Up Technician, Service Company: CoolSys - Refrigeration and HVAC Systems Location: Fullerton, CA Job Posted Time: 2026-09-10 14:29:44 Target Skills & Keywords : R About the job Experience: •5 - 7 years of experience in commercial refrigeration; especially experience with parallel rack systems. •3+ years of supermarket EMS systems. •7 years of experience in commercial refrigeration; especially experience with parallel rack systems. Required Skills: •Ø Performs evacuations of parallel racks after verifying pressure tests. •Ø Performs all EMS wiring and programming for all manufactures of EMS systems. •Ø Performs full start-up of new parallel refrigeration systems and individual systems. •Ø Leads small projects such as single case and condenser change outs. •Ø Assists with EO projects which would include retro-commissioning of supermarkets for system performance or utility programs, EMS upgrades, leak detection upgrades, gas conversion projects. •Ø Works with local branch Service and Construction Managers between projects to assist in problematic stores, training for junior technicians and foreman, or other areas as needed. •Ø Perform other duties as assigned. Qualifications: •Ø Expert knowledge of refrigeration, ice machines, and electrical systems. •Ø Expert knowledge of single systems, parallel racks systems, display cases and walk-ins. •Ø Ability to efficiently troubleshoot commercial and supermarket refrigeration equipment. •Ø Expert knowledge of EMS systems in supermarket applications for wiring and programming (CPC, Novar, Danfoss) •Ø Good communication skills and the ability to build strong relationships with the customers, management, crew, and team. •Ø Knowledge of and ability to read blueprints on refrigeration, electrical and plumbing. •Ø Travel, over-night, and overtime work as needed. •Ø Ability to organize and prioritize your own work schedule and the work schedules of others on short-term basis •Ø High school diploma or GED. •Ø Course work at an accredited vocation technical or trade school. Compensation: •Competitive benefits and rewards package •Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K) match with 100% immediate vesting Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!