Chiller Mechanic

Service Technician – Heavy Commercial Chiller

• Location: Katy, TX 


• Pay: Competitive pay based on experience 


• Type: Full time permanent employment

Key Responsibilities:

• Diagnose, repair, and maintain advanced commercial chiller systems and chilled water plants


• Perform testing, troubleshooting, disassembly, reassembly, and planned maintenance on large commercial equipment


• Coordinate work activities on large service projects and complex system repairs


• Complete service contracts, quoted work, and demand service calls as assigned


• Serve as a lead technician, providing technical guidance and support to other service personnel


• Coordinate subcontractors and assist with workflow planning when required


• Communicate clearly with customers, explain work performed, and build long-term client relationships


• Document service activity and communicate project status to internal stakeholders


• Purchase materials and issue purchase orders as needed


• Maintain tools, equipment, and inventory on assigned service vehicle


• Operate company vehicles safely and comply with all safety and fleet policies


• Utilize mobile and application-based service software

Experience & Education:

• 7+ years of commercial chiller service experience


• High school diploma or GED required


• Two-year technical degree in a related field preferred


• Required licenses, registrations, and certifications applicable to the position

Required Technical Expertise:

• OEM experience and/or factory chiller training


• Advanced troubleshooting of chiller control panels


• Strong background in centrifugal chiller overhauls


• Extensive knowledge of chilled water systems, including:




• DX and air-cooled chillers


• Scroll, reciprocating, screw, centrifugal, and magnetic bearing compressors




• Strong understanding of airside and waterside system controls


• Experience with chilled water plant components, including pumps, VFDs, and cooling towers


• Ability to monitor, log, and interpret equipment readings to prevent system outages


• Advanced working knowledge of building automation systems and OEM software tools (e.g., TechView, Service Checker, MTool)


• Proficient in reading complex schematics and blueprints

Skills & Attributes:

• Strong problem-solving, critical thinking, and multitasking abilities


• Self-directed and able to work independently


• Professional demeanor with strong written and verbal communication skills


• Excellent customer service with a focus on exceeding expectations


• High ethical standards and professionalism at all times

Working Conditions & Physical Requirements:

• Work performed indoors, outdoors, and on construction sites


• Exposure to extreme temperatures, noise, dust, fumes, and vibration


• Ability to qualify for respiratory protection and follow all safety requirements


• Lift up to 20 lbs routinely, 50 lbs frequently, and 80 lbs occasionally


• Ability to climb ladders and scaffolding, work at heights, kneel, crawl, and perform repetitive physical tasks


• Ability to safely navigate construction site hazards

JOB BENEFITS:

• Year-round work stability


• PTO (paid time off)/holidays


• Competitive pay - negotiable based on experience


• Health insurance, including dental and vision


• 401K Retirement Program 


• Company Vehicle and Phone

Check out our video for more information:

Build The Future with ProTech, a Crete United Company

Equal Opportunity Employer
Pro Tech Mechanical and Crete United are committed to inclusive hiring and encourage applications from all backgrounds—including race, gender identity, sexual orientation, disability, and veteran status.