HVAC Specialist

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Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.

HVAC Technician – Refrigerant Systems & Controls – JLL

What this job involves: As an HVAC Technician – Refrigerant Systems & Controls at JLL, you will play a critical role in maintaining and optimizing refrigerant-based HVAC systems that support the performance, reliability, and energy efficiency of our clients’ facilities. This position focuses on hands-on service, troubleshooting, and preventive maintenance of cooling equipment and associated building automation systems to ensure safe, compliant, and uninterrupted operations. Your technical expertise will directly contribute to system uptime, occupant comfort, and operational excellence across managed properties.

What your day-to-day will look like:

- Diagnose, service, and repair refrigerant-based HVAC equipment including VRF/VRV systems, chillers, DX units, heat pumps, and rooftop units (RTUs).

- Perform refrigerant recovery, charging, leak detection, brazing, and compressor repairs in compliance with EPA and safety standards.

- Troubleshoot HVAC electrical components, low-voltage controls, sensors, and automation devices.

- Monitor, adjust, and verify HVAC system performance using superheat/subcooling analysis and other diagnostic methods.

- Conduct scheduled preventive maintenance inspections and document findings, repairs, and refrigerant usage.

- Support system startups, commissioning activities, and functional testing for new or upgraded equipment.

- Communicate technical issues and recommended solutions to facility teams and management.

Required Qualifications:

- High school diploma or equivalent.

- EPA Section 608 Certification (Type II or Universal).