Refrigeration Start-Up Technician – Commercial & Industrial

February 3, 2026
Application ends: July 30, 2026
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Job Description

Exciting Opportunity
Position: Refrigeration Start-Up Technician – Commercial & Industrial
Company: CoolSys – Refrigeration and HVAC Systems

Job Brief

about the job

overview. . at coolsys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees. as a large company serving diverse customers, we invest in our team with:. .

Experience
Career Trajectory is required

Job Detail
  • Competitive Compensation: Competitive pay $35-$50/hour (DOE) and sign-on bonuses up to $3,000 (per location)
  • Ongoing Education & Training: Access to state-of-the-art facilities and paid online training
  • Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K) match with 100% immediate vesting
  • Year-Round, Diverse Work: Stay engaged with consistent, interesting projects throughout the year, working across various industries and systems to keep learning and growing
  • Extra Perks: Quarterly bonus plan, tuition reimbursement, employee discounts on vehicles, hotels, theme parks, pet insurance, and more


  • Join us and advance your career while working with top-tier clients in the HVAC and refrigeration industry!

    Responsibilities

    Refrigeration Start-up Technicians are responsible for start-up of supermarket refrigeration, heating, and ventilation equipment to ensure customer needs are met efficiently, accurately, and on time as well as assist with Energy Optimization (EO) projects
  • The ideal candidate should know advanced solid-state controls; oil systems safety controls; mechanical sub-cooling; introduction to head pressure controls for energy reduction; introduction to energy management systems (EMS); refrigeration rack oil systems; advanced de-frost diagnosis; and single and parallel compressor system start-up in a supermarket environment
  • Technicians must carry the skillset of a Journeyman level which includes construction experience in performing installation of refrigeration systems including electrical, plumbing, and fixtures
  • The technician will function as the subject matter expert for processes, procedures, and projects


  • Performs evacuations of parallel racks after verifying pressure tests
  • Performs all EMS wiring and programming for all manufacturers of EMS systems
  • Performs full start-up of new parallel refrigeration systems and individual systems
  • Lead small projects such as single case and condenser changeouts
  • Assists with EO projects which would include retro-commissioning of supermarkets for system performance or utility programs, EMS upgrades, leak detection upgrades, and gas conversion projects
  • Works with local branch Service and Construction Managers between projects to assist in problematic stores, training for junior technicians and foremen, or other areas as needed
  • Perform other duties as assigned


  • Qualifications

    High school diploma or GED
  • Coursework at an accredited vocational-technical or trade school
  • 3 years of supermarket EMS systems
  • EMS Certification preferred
  • 5 years of experience in commercial refrigeration; especially experience with parallel rack systems *CO2 a Plus*
  • Experience and proficient knowledge of supermarket refrigeration
  • EPA I and II Certification required
  • Valid Driver’s License is required at all times
  • Good driving record
  • Solid working knowledge of the use of the Microsoft suite of applications (Word, Excel, etc
  • )
  • Expert knowledge of refrigeration, ice machines, and electrical systems
  • Expert knowledge of single systems, parallel racks systems, display cases, and walk-ins
  • Ability to efficiently troubleshoot commercial and supermarket refrigeration equipment
  • Expert knowledge of EMS systems in supermarket applications for wiring and programming (CPC, Novar, Danfoss)
  • Strong mechanical aptitude
  • Good communication skills and the ability to build strong relationships with the customers, management, crew, and team
  • Knowledge of and ability to read blueprints on refrigeration, electrical, and plumbing
  • Ability to multi-task effectively
  • Travel, overnight, and overtime work as needed
  • Ability to organize and prioritize your work schedule and the work schedules of others on a short-term basis

    Join Us

    Today, there are 26 different companies that make up the CoolSys family of brands
  • Our valued employees are at the heart of our continued growth and success
  • We invite you to be part of that growth!

    Connect with us on and

    Coolsys is an EEO/AA Employer
  •  All qualified individuals – Including all ages, colors, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other characteristics are encouraged to apply


  • Pre-employment background screening (criminal and MVR for driving positions) and drug testing are required for all positions
  • Coolsys will consider qualified applicants with criminal histories in a manner consistent with federal law, state law, or local ordinance


  • Journeyman-HVAC, Journeyman-EMS, EMS, Installer, Install, Installation, Service Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial, service, mechanical, mechanic, AC, field service, chiller, specialist, HVACR, Electrical, start-up, startup ~