HVAC Specialist

What this job involves:

As an HVAC Technician - Refrigerant Systems & Controls - 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).
• 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.

Preferred Qualifications:

• 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).

Location / Shift:

Location: Houston, TX. Work Shift: 7:00 am to 4:00 pm Monday to Friday. This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship. Location: On-site -Houston, TX.

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 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

Artificial Intelligence Capabilities:

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.

Equal Employment Opportunity and Accessibility:

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 This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page.

About JLL:

At JLL, we give you the opportunity, knowledge and tools to own your success, because we value what makes each of us unique. We help our people thrive, grow meaningful careers and find a place where they belong. Together, we strive to be exceptional and shape a better world.

For over 200 years, JLL (NYSE: JLL), a leading global commercial real estate and investment management company, has helped clients buy, build, occupy, manage and invest in a variety of commercial, industrial, hotel, residential and retail properties. A Fortune 500 company with operations in over 80 countries around the world, our employees bring the power of a global platform combined with local expertise.

Driven by our purpose to shape the future of real estate for a better world, we help our clients, people and communities SEE A BRIGHTER WAYSM.

JLL is the brand name, and a registered trademark, of Jones Lang LaSalle Incorporated. For further information, visit jll.com.