Senior Chiller Technician — Field Troubleshooter (Large HVAC)

Thomas Talent Network, LLC; Phoenix (AZ); On-site; USD 48,000 - 77,000; Full time

Job summary

Thomas Talent Network, LLC is seeking a Senior Chiller Technician to service, troubleshoot, and repair large-tonnage cooling equipment in the Phoenix metro area. This hands-on role emphasizes diagnosis and repair over routine preventive maintenance.

You will read schematics and control sequences, perform startups and load-based checks, respond to service calls, and document work clearly for customers and dispatch.

Qualifications

• 5–7 years of hands-on experience with large-tonnage HVAC and chiller equipment.
• Experience troubleshooting and repairing chillers — not just preventative maintenance.
• Strong electrical, refrigeration, and controls diagnostic skills.
• EPA Universal certification.
• Valid driver’s license with clean MVR.
• Able to pass a background check and drug screen.

Responsibilities

• Troubleshoot, diagnose, and repair large-tonnage chillers and HVAC equipment in the field.
• Perform startups, shutdowns, and load-based performance checks.
• Respond to service calls and resolve issues to root cause with minimal downtime.
• Read and interpret schematics, electrical diagrams, and control sequences.
• Document work accurately and communicate clearly with the customer and dispatch.

Skills

Chiller systems

Troubleshooting

Electrical diagnostics

Education

EPA Universal certification

Job description

Thomas Talent Network, LLC is seeking a Senior Chiller Technician to service, troubleshoot, and repair large-tonnage cooling equipment in the Phoenix metro area. This hands-on role emphasizes diagnosis and repair over routine preventive maintenance.

You will read schematics and control sequences, perform startups and load-based checks, respond to service calls, and document work clearly for customers and dispatch.