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.

Position Overview

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.

Key Responsibilities

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

Work Environment

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

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

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

What You Bring

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

Nice to Have

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

Why Join XNRGY Climate Systems

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