Senior Chiller Testing Lead Technician – Factory Commissioning

Company Overview

XNRGY Climate Systems is a North American leader in sustainable design and advanced manufacturing of custom air treatment, thermal management, and liquid cooling systems. Our advanced cooling solutions support data centers, healthcare, clean rooms, life sciences, and other mission-critical environments while helping customers reduce carbon footprints and achieve sustainability goals.

With our U.S. Technology Headquarters and advanced manufacturing facility in Mesa, Arizona, XNRGY continues its rapid expansion to support the growing demand for mission-critical cooling solutions across North America.

Opportunity

We are seeking a Senior Chiller Testing Lead Technician – Factory Commissioning to join our growing factory operations team in Mesa, Arizona.

This is a senior-level technical leadership position responsible for leading factory testing and commissioning activities for industrial chiller systems prior to customer shipment. You will play a critical role in ensuring equipment is tested safely, consistently, and in accordance with defined procedures while providing technical leadership, troubleshooting expertise, and mentorship within a fast-paced manufacturing environment.

Position Overview

The Senior Chiller Testing Lead Technician is responsible for leading and executing pre-functional and End-of-Line (EOL) testing activities for industrial chiller systems within a manufacturing environment.

This position serves as the technical lead for factory testing operations and partners closely with Manufacturing, Engineering, Controls, Quality, and Commissioning teams to validate equipment performance, identify deficiencies, support corrective actions, and drive continuous improvement within factory commissioning operations.

Key Responsibilities

Factory Commissioning & Testing

• Lead execution of pre-functional and End-of-Line (EOL) testing of industrial chiller systems.

• Operate and monitor chillers under various load conditions using load banks and factory test infrastructure.

• Verify operation of compressors and refrigeration circuits, pumps, valves and hydronic systems, condenser systems and fan assemblies, VFDs, motors and electrical systems, and safety devices, interlocks and flow verification devices.

• Validate unit performance including temperatures, pressures, flow rates, compressor staging, stability, and operational sequences.

Controls & System Verification

• Interface with PLC/HMI systems to monitor and validate operation.

• Verify sensors, instrumentation, and field devices function correctly.

• Support verification of Modbus/BACnet communications where applicable.

• Confirm alarm functionality and sequence responses.

• Assist with controls-related troubleshooting and operational validation.

Troubleshooting & Technical Leadership

• Lead first-level troubleshooting of mechanical, refrigeration, electrical, and controls-related issues.

• Identify and document deficiencies discovered during testing.

• Coordinate with Production, Engineering, and Quality teams to support corrective actions.

• Support root cause analysis and validation of repairs and rework activities.

• Provide technical guidance and mentorship to testing technicians and operators.

Documentation & Quality

• Complete and maintain commissioning documentation, test records, and reports.

• Ensure testing activities are performed in accordance with controlled procedures and standards.

• Maintain clear documentation of failures, corrective actions, repairs, rework, and retesting activities.

• Support continuous improvement of test procedures, execution methods, and reporting tools.

Safety & Operational Excellence

• Promote and enforce safe work practices within the testing environment.

• Maintain safe operation around high-voltage equipment, pressurized refrigeration systems, rotating machinery, and hydronic test systems.

• Identify and report unsafe conditions immediately.

Work Environment

• Factory-based position supporting manufacturing and commissioning operations.

• Hands-on work with industrial chiller systems and advanced thermal management equipment.

• Collaborative environment working alongside Manufacturing, Engineering, Controls, Quality, and Commissioning teams.

• Fast-paced production environment supporting mission-critical cooling solutions.

What You'll Do (Day-to-Day)

• Lead factory commissioning and End-of-Line testing activities for industrial chiller systems.

• Monitor system performance under various operating conditions using factory load bank infrastructure.

• Troubleshoot refrigeration, mechanical, electrical, controls, and hydronic system issues.

• Validate equipment performance prior to customer shipment.

• Mentor testing technicians and provide technical leadership within factory operations.

• Support root cause analysis, corrective actions, and continuous improvement initiatives.

• Ensure safe execution of testing procedures and accurate commissioning documentation.

What You Bring

• 5–10+ years of HVAC, refrigeration, industrial equipment testing, or commissioning experience.

• Strong understanding of industrial chiller systems.

• Strong knowledge of refrigeration cycles and components.

• Experience with electrical systems and VFD operation.

• Experience with hydronic systems and flow verification.

• Strong hands-on troubleshooting experience.

• Ability to read and interpret electrical schematics, P&IDs, control diagrams, and mechanical layouts.

• Strong leadership, communication, and technical mentoring skills.

• High attention to detail with strong documentation discipline.

Nice to Have

• Factory commissioning or manufacturing test operations experience.

• Experience with PLC/HMI systems.

• Familiarity with Modbus/BACnet communications.

• Experience with oil-less compressor technologies.

• Experience using factory load bank testing systems.

• Experience supporting mission-critical or data center cooling applications.

Why Join XNRGY Climate Systems

• Help build and test the next generation of mission-critical cooling systems supporting AI infrastructure.

• Join a rapidly growing North American leader in advanced thermal management solutions.

• Work from XNRGY's advanced U.S. Technology Headquarters and manufacturing facility in Mesa, Arizona.

• Lead factory commissioning operations on cutting-edge industrial chiller systems.

• Collaborate with Manufacturing, Engineering, Controls, Quality, and Commissioning teams.

• Competitive salary and performance incentives.

• Comprehensive medical, dental, and vision insurance.

• 401(k) plan.

• Generous paid time off.

• Career advancement opportunities within a rapidly expanding organization.