HVAC Specialist

JLL•Houston, TX

9h•Onsite

About The Position

JLL empowers you to shape a brighter way . 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. If this job description resonates with you, we encourage you to apply, even if you don’t meet all the requirements. We’re interested in getting to know you and what you bring to the table! Personalized benefits that support personal well-being and growth: JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits may include: 401(k) plan with matching company contributions Comprehensive Medical, Dental & Vision Care Paid parental leave at 100% of salary Paid Time Off and Company Holidays Early access to earned wages through Daily Pay At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing. JLL Privacy Notice Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL’s recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely. For more information about how JLL processes your personal data, please view our Candidate Privacy Statement . For additional details please see our career site pages for each country. For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here . Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process – including the online application and/or overall selection process – you may email us at [email protected] . This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL. Accepting applications on an ongoing basis until candidate identified.

Requirements

High school diploma or equivalent.
EPA Section 608 Certification (Type II or Universal).
TDLR Class B HVAC license (Must have)
3–5 years of hands-on experience servicing refrigerant-based HVAC systems.
Proven experience troubleshooting compressors, refrigerant circuits, and mechanical components.
Working knowledge of HVAC electrical systems, low-voltage controls, and safety procedures.
Ability to read and interpret schematics, wiring diagrams, and equipment documentation.

Nice To Haves

Technical or vocational training in HVAC or a related field.
Experience working with building automation systems (BAS/BMS) such as Johnson Controls, Trane, Siemens, Honeywell, or Schneider.
Familiarity with system performance testing, energy efficiency optimization, and automation setpoint adjustments.
Additional certifications such as NATE, HVAC Excellence, or OEM-specific training.
Experience supporting HVAC startups, commissioning, or retrofit projects.
Strong documentation skills and comfort using computerized maintenance management systems (CMMS).

Responsibilities

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.