Electrical Test Engineer – Commercial Chiller Systems

Electrical Test Engineer – Commercial Chiller Systems

Location: Charlotte NC

Job Type: Full time

Job Description

This role is responsible for the validation and certification of commercial chiller systems. The position focuses on electrical system design evaluation, instrumentation, test execution, data analysis, and compliance with applicable industry standards. Engineers will work closely with mechanical engineers, lab technicians, and quality teams to ensure chiller performance, safety, and reliability.

Key Responsibilities :

· Maintain all electrical systems fully functional to test HVAC systems (water-cooled and air-cooled chillers)

· Plan, execute, and support electrical testing of commercial chillers, including air-cooled and water-cooled systems

· Troubleshoot control circuits and low-voltage wiring on water-cooled and air-cooled chillers

· Develop and review electrical test procedures, wiring diagrams, and control schematics

· Set up and validate test instrumentation for voltage, current, power, harmonic distortion, and control signals

· Troubleshoot electrical, controls, and communication issues during system testing

· Analyze test data and prepare technical reports documenting results, issues, and corrective actions

· Support compliance testing to applicable standards (e.g., UL, IEC, AHRI, ASHRAE)

· Collaborate with design engineering teams to identify root causes and recommend design improvements

· Support factory acceptance testing (FAT), qualification testing, and reliability testing

· Ensure testing activities comply with lab safety procedures and electrical safety requirements

· Provide technical support during audits, certifications, and customer witness testing

Required Qualifications:

· Bachelor’s degree in Electrical Engineering or related field

· 3–7 years of experience in electrical testing, validation, or product development (HVAC or industrial equipment preferred)

· Strong understanding of three-phase power systems, motor drives, starters, and VFDs

· Experience with electrical test equipment (power analyzers, oscilloscopes, multimeters, data acquisition systems)

· Knowledge of control systems, PLCs, sensors, and communication protocols (Modbus, BACnet, CAN, etc.)

· Ability to read and interpret electrical schematics and wiring diagrams

· Strong troubleshooting and problem-solving skills

· Proficiency in technical documentation and test reporting

· Familiarity with lab safety standards and electrical codes (NFPA 70 / NEC)

Preferred Qualifications

· Experience with commercial chillers, large HVAC equipment, or refrigeration systems

· Familiarity with industry standards such as ASHRAE 90.1, AHRI 550/590, UL 1995, IEC 60335

· Experience working in an engineering laboratory or test environment

· Knowledge of energy efficiency testing and performance certification

· Experience with automated test systems and data analysis tools (LabVIEW, Python, MATLAB, or similar)

· Professional Engineer (PE) license or EIT certification

Key Competencies :

· Primarily laboratory-based role with exposure to high-voltage equipment and rotating machinery

· Occasional extended hours during test execution or customer witness testing

· Strict adherence to safety protocols and PPE requirements