Technical Support Manager - HVAC and Refrigeration Systems

Technical Support Manager

Who we are

Johnson Controls is a world leader in smart buildings, creating safe, healthy and sustainable spaces. For nearly 140 years, we’ve made buildings better and now we’re transforming them again with our award-winning digital technologies and services. We’re using artificial intelligence and data-driven solutions to give you deeper insight into your building’s health, sustainability and performance. It’s changing the way we design, operates and maintains indoor environments and driving to a new era of autonomous buildings.

We deliver the blueprint of the future for industries such as healthcare, schools, data centers, airports, stadiums, hotels, manufacturing and beyond through OpenBlue, our comprehensive suite of connected solutions.

Johnson Controls offers the world’s largest portfolio of building technology, software and services. Supported by a team of more than 100,000 dedicated employees working across 150 countries, we’re helping customers achieve their sustainability goals and power their mission.

Please visit and follow Johnson Controls linkedin for recent exciting activities.

APAC Linkedin Johnson Controls APAC Linkedin 

Career   The Power Behind Your Mission 

OpenBlue   OpenBlue: This is How a Space Comes Alive 

What you will do:

Johnson Controls is seeking an experienced HVAC professional to join our dynamic team. The ideal candidate will be responsible for providing top-quality service, maintenance, and repair of HVAC and industrial refrigeration systems at various client facilities. You will serve as the primary contact for all technical service issues, ensuring client satisfaction through effective troubleshooting and resolution of complex systems.

Required Capabilities

HVAC & Chiller Expertise

• Practical work experience with HVAC system with various York chiller models, primarily YK, YVAA, YMC2, and YZ chillers.

• Hands on Experience in commissioning of numerous chillers like Mag bearing, Centri, Screw, Scroll with different type of refrigerant R-22, R-134a, R407,R123, R1233ZD, R513A

• Hands on Experience in conducting the chiller PM activity for various model chillers.

• Good knowledge on AHUs, FCU, Cooling towers, water Pumps, EC fans used in the HVAC system.

• Capable to handle the critical issues by taking quick appropriate decision with action plans to resolve the issues.

Electrical & Electronics Expertise

• Ability to test and diagnose power electronic components such as Diode, SCRs, IGBTs, capacitors, and inductors.

• Able to understand the Circuit Breaker settings and provide the cable sizing

• Understand the root cause of the power electronic components failure and be able to prepare the root cause analysis for the failure.

• Able to test and identify defective components at the PCB level in advanced multilayer electronic boards

• Able to troubleshoot the various types of motor used in the chiller application and AHUs

• Able to understand the various types of control logic used in chiller microcontrollers.

• Capable of programming and debugging software for microprocessor-based controllers and PLC-based controllers

VSD starter & Troubleshooting

• In-depth understanding of Variable Speed Drive (VSD) starter application, benefits in chiller, terminology and working principles.

• Skilled in troubleshooting York starter models used in chillers, including D-Drive, Vyper, Hyper, and Python drives.

• Knowing the importance of the Harmonic Filter in the VSD application and its function and troubleshooting.

Refrigeration System and Performance testing Knowledge

• Strong understanding of refrigeration systems and capability to troubleshoot issues using operating data, History data or SD card data from chillers.

• Able to interpret and analyze Pressure-Enthalpy (P–H) diagrams to evaluate refrigeration cycle performance, identify system inefficiencies, and assist in troubleshooting issues related to compressors, evaporators, and condensers

• Chiller performance testing and field troubleshooting of performance related issues.

• Understanding of psychrometry and its application in the HVAC industry

Join Johnson Controls and be part of a team that values your contributions, supports your growth, and provides a rewarding work environment.

Diversity & Inclusion 

Our dedication to diversity and inclusion starts with our values. We lead with integrity and purpose, focusing on the future and aligning with our customers’ vision for success. Our High-Performance Culture ensures that we have the best talent that is highly engaged and eager to innovate. ​​​​​​ Our D&I mission elevates each employee’s responsibility to contribute to our culture. It’s through these contributions that we’ll drive the mindsets and behaviors we need to power our customers’ missions. You have the power. You have the voice. You have the culture in your hands.  

Experience Level

Mid Level