Senior Chiller Systems Technician (Field Service)

Pueblo Mechanical & Controls; Irving (TX); On-site; USD 65,000 - 95,000; Full time

Job summary

Pueblo Mechanical & Controls is seeking a Service Chiller Technician to lead advanced diagnostics, repair, and maintenance of large-tonnage chiller plants, including centrifugal and screw types. This senior role requires certification and strong leadership in troubleshooting complex HVAC systems.

Responsibilities include on-site diagnostics, full teardowns, and preventative maintenance, with emphasis on safety and customer communication. Travel and overtime may be required.

Qualifications

• Minimum 5+ years hands-on field experience in commercial/industrial HVAC service with chiller expertise.
• EPA Universal Refrigerant Certification and manufacturer chiller training are required.
• Proficient in troubleshooting electrical, mechanical, refrigeration and controls systems.
• Able to operate independently and train others when needed.

Responsibilities

• Respond to dispatched service calls to diagnose, repair, and perform preventive maintenance on HVAC equipment at customer sites.
• Document work orders, parts usage and service reports before leaving the job site.
• Troubleshoot chillers, boilers, valves, controls, and cooling towers; read blueprints and schematics.
• Provide on-site training to customers and support opportunities for service expansions.

Skills

HVAC field service

Chiller expertise

Troubleshooting

Customer service

Safety compliance

PC proficiency

Education

EPA Universal Refrigerant Certification

Chiller manufacturer training

Tools

MS Office/Service management tools

Job description

Pueblo Mechanical & Controls is seeking a Service Chiller Technician to lead advanced diagnostics, repair, and maintenance of large-tonnage chiller plants, including centrifugal and screw types. This senior role requires certification and strong leadership in troubleshooting complex HVAC systems.

Responsibilities include on-site diagnostics, full teardowns, and preventative maintenance, with emphasis on safety and customer communication. Travel and overtime may be required.