Senior Chiller Testing Technician - Factory Commissioning

Senior HVAC / Chiller Technician

XNRGY Climate Systems designs and manufactures advanced thermal management solutions powering next-generation AI data centers and mission-critical infrastructure across North America. With major expansion underway at Mesa 1 and Mesa 2 in Arizona, XNRGY is building a high-performance team to support the production, testing, commissioning, and quality of advanced HVAC and chiller systems.

The Senior Technician will lead testing, troubleshooting, and validation efforts for advanced HVAC and chiller equipment within a factory test environment. This role partners closely with engineering, manufacturing, controls, and quality teams to ensure equipment performance, reliability, and customer readiness. The ideal candidate brings strong mechanical, refrigeration, electrical, and controls troubleshooting experience and enjoys helping develop junior technicians and apprentices.

• Lead functional testing and validation of HVAC and chiller systems in a factory environment

• Troubleshoot and diagnose mechanical, refrigeration, electrical, and controls-related issues

• Support equipment start-up, commissioning, and performance verification activities

• Mentor and train junior technicians on troubleshooting methods, safety procedures, and best practices

• Read and interpret schematics, wiring diagrams, P&IDs, and technical documentation

• Perform repairs, corrective actions, and system adjustments as needed

• Document test results, deficiencies, repairs, and commissioning activities accurately

• Collaborate with engineering and manufacturing teams to resolve technical issues and improve product quality

• Maintain a safe, clean, and organized work environment

• Support continuous improvement initiatives within testing and manufacturing operations

• Factory-based role supporting production test bays and manufacturing operations

• Hands-on work with large commercial HVAC, CRAH, and chiller systems

• Collaborative environment working alongside engineers, quality teams, and field service personnel

• Overtime may be required based on production schedules and customer demand

• Lead testing and troubleshooting activities on newly manufactured chiller systems

• Mentor Jr. Technicians and help elevate technical capability across the team

• Diagnose refrigeration, electrical, controls, and mechanical system issues

• Support commissioning and operational performance testing

• Assist with process improvements, root cause analysis, and technical problem solving

• Work with advanced thermal management systems supporting hyperscale AI data centers

• 5+ years of HVAC, chiller, or commercial/industrial mechanical experience

• Strong troubleshooting experience with chillers, HVAC systems, refrigeration, and controls

• Experience with commissioning, start-up, or factory testing environments preferred

• Ability to read and interpret electrical schematics, wiring diagrams, and technical drawings

• Strong mentoring mindset with the ability to support and train junior technicians

• EPA 608 Certification required

• Experience using hand tools, gauges, meters, and diagnostic equipment

• Reliable, safety-focused, and detail-oriented with strong communication skills

• Experience with large commercial chillers, CRAH units, or mission-critical cooling systems

• Exposure to ABB drives, PLCs, or building automation/control systems

• Previous experience supporting data centers or mission-critical environments

• Technical trade school or HVAC certification

• Work on advanced cooling systems supporting the explosive growth of AI infrastructure

• Join a rapidly scaling company with Mesa 1 & Mesa 2 now operational

• Opportunity to mentor and help build the next generation of HVAC/chiller technicians

• Hands-on role with cutting-edge thermal management equipment

• Stable manufacturing environment with strong long-term growth potential

• Career advancement opportunities within manufacturing, field service, and commissioning operations