Traveling Chiller Controls Technician

CoolSys solves the most complex challenges in refrigeration, air conditioning, heating, engineering, and energy management. With over 3,700 associates nationwide, we deliver tailored solutions to help businesses cut costs, improve equipment performance, and reduce emissions.

Our services include HVAC and refrigeration equipment sourcing, installation, repair, maintenance, monitoring, and optimization. We also offer engineering design, energy resilience and consumption optimization, asset recycling, and seamless multi-site rollouts across states.

Based in Southern California since 2007, CoolSys serves over 45,000 customer locations in industries like retail, food service, commercial, data centers, industrial, and pharmaceuticals.

No wonder Newsweek named CoolSys one of America’s Greatest Workplaces!

We understand that hiring great people is the foundation of everything we do. Our employee benefits packages include: 

• Competitive pay: $99-$110k base and bonus.
• Benefits: Medical, Dental, Vision and Prescription coverage 
• Paid vacation and holidays 
• 401(K) match 
• Life insurance, AD&D and long-term disability 
• Tuition reimbursement 
• Opportunities available nationwide 
• Employee discounts on vehicles, hotels, theme parks, select cell phone bills and so much more 
• Pet Insurance 
• Legal Plan and ID Theft Protection 

We are seeking a Traveling (state to state) Chiller Controls Technician (located in Western US) with strong experience in commercial and industrial mechanical systems, particularly chilled water systems. This role is critical in helping our customers maintain system uptime and integrity during building automation system (BAS) retrofits. Ideal candidates will bring solid mechanical expertise with chillers and HVAC systems, while we provide training on BAS and control technologies.

• Retrofit existing BAS or pneumatic systems to modern automation platforms, including working on control systems for:
• Chillers
• Air Handlers
• Cooling Towers
• Variable Air Volume (VAV) units
• Variable Frequency Drives (VFDs)
• Other related HVAC components
• Program, install, integrate, and troubleshoot Building Automation Systems (BAS).
• Analyze and interpret BAS data to identify performance or communication issues.
• Collaborate with engineering teams and site personnel to ensure seamless retrofits with minimal disruption to operations.

• Minimum of 5 years' hands-on experience diagnosing, maintaining, and repairing:
• Chillers, cooling towers, air handlers, and pumps.
• Expertise in servicing chiller systems and troubleshooting mechanical performance issues.
• Ability to read and interpret blueprints, wiring diagrams, and mechanical/electrical schematics.
• Strong working knowledge of:
• HVAC mechanical systems including Chillers, VAVs, VFDs, Pumps, and Cooling Towers.
• HVAC system design, operation, and troubleshooting.
• Demonstrated experience working in large facilities (e.g., universities, schools, office buildings).
• High school diploma or GED required.
• Trade or technical school coursework highly desirable.
• Technical certifications are preferred but not mandatory.
• Experience with installation or maintenance of Building Automation Systems preferred.
• Familiarity with the Niagara Framework®, N4 certification, or BACnet protocol is a plus.

Today, there are 27 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! 

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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.