HVAC Specialist
JLL
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.
- 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.
- 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).
- 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
- ...professional experience troubleshooting and identifying emergency repairs for heating, ventilation, air conditioning, and refrigeration (HVAC/R) systems? Yes No 06 Do you have professional experience inspecting, reporting on, and repairing heating,...SuggestedFull timeTemporary workPart timeFor contractorsWork at officeRemote workFlexible hoursWeekend workAfternoon shiftEarly shift
- ...Controls Specialist HTS Engineering Ltd. is the largest independent commercial HVAC manufacturers' rep in North America, with 20 locations in the US and Canada. HTS has a vibrant look and brand promise -- one that reflects our company-wide commitment to ensure the individual...Suggested
- ...System Specialist A System Specialist will provide world class leadership for high-profile orders and high-end service support with installations... ...Must have High School Diploma or a accredited GED ~1-2 year HVAC Diploma or Technical School Degree ~ EPA 608 refrigerant...SuggestedFor subcontractorFlexible hoursWeekend workAfternoon shift
- ...HVAC Technician Refrigerant Systems & Controls JLL 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...SuggestedDaily paidMonday to FridayShift work
- ...day-to-day operations and seek to strengthen and support the communities we serve.We are currently looking for a Process Safety Specialist in Houston, TX.Job Purpose:The Process Safety Specialist supports Boardwalk's efforts to strengthen operational discipline, advance...Suggested
- ...we serve. Additional information about the company can be found online at We are currently looking for an Incident Management Specialist for our Houston, TX location. Position Summary The Emergency & Crisis Management Specialist strengthens Boardwalk's operational...Local area
- The Museum of Fine Arts, Houston (MFAH) is seeking an experienced HVAC Technician to support heating, cooling, and plumbing across museum properties. You will perform preventive maintenance, troubleshoot equipment, and assist on large projects with Engineering and Facilities...
$70k - $73k
...Job Title: Postdoctoral Associate - Specialist Work Arrangement: Onsite only Location: Houston, TX Salary Range: $70,000 - $73,000 FLSA Status: Exempt Work Schedule: Monday – Friday, 8 a.m. – 5 p.m. Summary The laboratory of Dr. Lipshutz in the department...TraineeshipMonday to Friday- ...? Central Diesel Sales in Mobridge, SD is hiring for a Parts Specialist. If you like great hunting & fishing, Mobridge is a great place... ...full-service diesel shop & offer services anywhere from small HVAC jobs to full engine overhauls. Diesel parts experience & great...Weekend workAfternoon shift
- A leading healthcare institution in Houston is seeking an experienced HVAC Mechanic. The role involves performing master-level maintenance and repairs on HVAC systems, including troubleshooting and responding to emergencies. Candidates must have at least 7 years of mechanical...
- ...Job Description Job Description Purchasing Specialist Company: McDaniel Metals, LLC Location: Houston, TX Department: Purchasing... ...to support purchasing and material planning for our HVAC sheet-metal manufacturing operations. The ideal candidate will...Full timeWork at officeMonday to FridayDay shift
- ...manufacturer of air conditioners and refrigerants and provides the North American market with a full range of residential and commercial HVAC products leveraging its advanced core technologies for refrigerant control, inverters and heat pumps. Headquartered just outside of...Work at officeRelocation
- ...--HUD's Office of Administration is the place for you! The official title of this position is Supervisory Government Information Specialist. As a Supervisory Privacy Specialist, you will: Plan, manage, organize and supervise all operations and activities of the Privacy...Full timeTemporary workPart timeWork experience placementWork at office
$60k - $150k
...Join the dedicated team at Robinson and Casey, PLLC, where you'll make a difference in families' lives as a Case Specialist. In this role, you'll guide families through challenging addiction, mental health, and crisis situations, offering support and direction toward...Work at office- ...Inc. and is a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets. For more information about RectorSeal's innovative products and brands that increase...Hourly payFor contractorsWork experience placementMonday to Friday
$70k - $75k
Postdoctoral Associate - Specialist - Cancer Genomics Division: Pediatrics Work Arrangement: Onsite only Location: Houston, TX Salary Range: $70,000 - $75,000 FLSA Status: Exempt Work Schedule: Monday - Friday, 8 a.m. - 5 p.m. Summary The Postdoctoral Associate -...TraineeshipMonday to Friday$80k - $90k
...Job Description Job Description We are seeking a Safety Auditor/ Specialist to join our Houston based Restaurant Company. Essential Job Duties and Responsibilities The primary job duties and responsibilities of this position include but are not limited to:...Local area- Job Description - Associate Specialist - OQ (2610003813) We value all of our employees who make our growth and success possible. We are proud to offer industry leading compensation, comprehensive benefits,401(k) match with additional profit sharing,PTO and abundant career...Full timeContract workFor contractorsWork experience placementWork at officeLocal area
$25 per hour
BBs is a top destination spot for NOLA style food, crawfish, and drinks with Texas flair! Servers greet our guests and engage in friendly conversation with them. BBs Servers are knowledgeable about the food and beverages on the menu so they can explain dishes and drinks...Full timePart timeWork experience placementFlexible hoursShift workNight shift- Performance Food Group is hiring a Fleet Technician in Houston to diagnose and repair medium to heavy‑duty trucks, trailers, and related equipment. The role emphasizes preventive maintenance, electrical troubleshooting, and ensuring roadworthiness through rigorous inspection...Hourly pay
$25 per hour
...Furniture Finishing And Touch Up SpecialistThe Post Oak Hotel is seeking a Furniture finishing and touch up specialist to join the only Forbes Five-Star Hotel in Texas. We hire passionate and professional colleagues who genuinely delight our guests through curated and...Flexible hoursShift workNight shift- ...Creative Specialist The Creative Specialist is responsible for designing and producing high-quality visual marketing materials that support the Triple-S family of brands. This role serves as the primary graphic design resource for the marketing department, creating...
- ...Construction Safety SpecialistERM is hiring experienced Construction Safety Specialist to provide on-site support for our key pharmaceutical client in Houston, TX. In this critical role, you will be responsible for providing on-site observation of construction activities...Full timeFor contractorsFor subcontractorWork at officeShift work
- ...Title: Fire Safety Specialist At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries...Contract workLocal areaWorldwideShift workNight shift
$100k - $137k
...deliver a better world. Join us. Job Description AECOM has an exciting opportunity for a Senior Transmission Line Permitting Specialist to join our Environmental Planning and Permitting (EPP) team in the Texas region. This hybrid role can be based out of AECOM’...Full timeWork at officeLocal areaWorldwideRelocationFlexible hours- ...Nutrition Specialist I @ Nutrition DepartmentWork under moderate supervision to prepare and serve appropriate quantities of food to meet menu requirements. Maintain high standards of quality in food production, sanitation, and safety practices.Education/Certification:...Work at officeImmediate start
- A law firm in Houston is seeking a full-time office professional to assist with records maintenance. Responsibilities include collecting, sorting, reviewing, analyzing, and coding client documents for electronic filing, while collaborating with legal team members. The ...Full timeWork at office
- ...places everyday, and we need inspired people like you to join us in our pursuit of building perfection.Role Summary The Senior Safety Specialist will coordinate and implement the field safety program for routine and complex construction projects. This position will be...For contractorsFor subcontractorLocal area
- ...Furniture Finishing And Touch Up SpecialistThe Post Oak Hotel is seeking a Furniture finishing and touch up specialist to join the only Forbes Five-Star Hotel in Texas. This role involves inspecting and carrying out repairs of all areas within the hotel, executing standard...Flexible hoursNight shift
- ...Safety SpecialistRed Cedar Solutions is a New Jersey government based contracting company that is looking to fill a Safety Specialist position at Johnson Space Center in Houston, Texas.Essential Duties and Responsibilities:Provide occupational safety and fire protection...Contract workFor contractors
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to HVAC Specialist. Be the first to apply!
- patient safety specialist Houston, TX
- credit card specialist Houston, TX
- senior specialist Houston, TX
- health program specialist Houston, TX
- microsoft specialist Houston, TX
- transportation specialist Houston, TX
- color specialist Houston, TX
- hearing specialist Houston, TX
- crisis specialist Houston, TX
- bilingual specialist Houston, TX





