Senior Chiller Testing Technician - Factory Commissioning

Key Responsibilities

• Lead factory commissioning and End-of-Line testing activities for 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.
• Aid in 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.
• Cook 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.