Sr HVAC Technician Job San Jose area,California USA,Trades / Skilled Labor

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.

Sr HVAC Technician – JLL

What this job involves:

As a Sr HVAC Technician at JLL, you'll play a critical role in maintaining optimal building performance and creating comfortable, efficient environments for our clients. This position combines hands‑on technical expertise with leadership responsibilities, where you'll diagnose, repair, and maintain complex heating, ventilation, air conditioning, and refrigeration systems across commercial facilities. You'll serve as a technical resource for junior technicians, sharing knowledge and helping to build a team where everyone is empowered to thrive.

At JLL, we are collectively shaping a brighter way — for our clients, ourselves and our fellow employees — and as a senior member of our facilities team, you'll be instrumental in delivering the innovative, reliable service that sets us apart. Your work directly impacts building operations, energy efficiency, and occupant satisfaction, making you an essential partner in our clients' success.

What

your day-to-day will look like:

Perform advanced troubleshooting, maintenance, and repair of HVAC systems including chillers, boilers, air handlers, rooftop units, cooling towers, pumps, and building automation systems
Conduct preventive maintenance inspections and testing to ensure equipment operates at peak efficiency and meets all safety and regulatory standards
Diagnose complex mechanical and electrical issues using specialized tools, technical documentation, and building management system interfaces
Mentor and provide technical guidance to junior technicians, fostering a culture of collaboration and continuous learning across the team
Respond promptly to emergency service calls and implement effective solutions that minimize downtime and maintain business continuity
Document all service activities, maintain accurate maintenance records, and communicate status updates to facility managers and clients
Collaborate with engineering teams and contractors on system upgrades, retrofits, and capital improvement projects
Lift up to 50 pounds, work at heights, in confined spaces, and in various weather conditions

Required Qualifications:

High school diploma or equivalent
At least 5 years of progressive experience in commercial HVAC maintenance and repair, diagnosing and repairing commercial HVAC equipment including chillers, boilers, air handlers, and building automation systems
Valid EPA Universal Certification for refrigerant handling
Valid driver's license
Strong understanding of electrical systems, control circuits, and ability to read and interpret blueprints, schematics, and technical manuals
Strong communication skills and ability to interact professionally with clients, contractors, and team members

Preferred Qualifications:

Associate degree or technical certification in HVAC, mechanical systems, or related field
Journeyman or Master HVAC license
Experience with Trane, Carrier, York, or other major commercial HVAC equipment manufacturers
Proficiency with building automation systems such as Tridium, Johnson Controls, Siemens, or Honeywell
OSHA 10 or OSHA 30 safety certification
Additional certifications such as NATE, RSES, or manufacturer-specific credentials
Experience…