Operating Engineer

JLL empowers you to shape a brighter way
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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.

What this job involves:

We are seeking a skilled Operating Engineer with specialized expertise in HVAC systems to join our facilities operations team. In this critical role, you'll be responsible for operating, maintaining, and optimizing commercial heating, ventilation, and air conditioning systems to ensure safe, efficient, and comfortable building environments. You'll serve as the technical expert for our HVAC infrastructure, leveraging your strong technical knowledge and proactive problem-solving abilities to support JLL's commitment to operational excellence, energy efficiency, and sustainability.

Your work will directly impact tenant satisfaction, building performance, and our environmental goals.

What your day-to-day will look like:

Operate, monitor, and maintain commercial HVAC systems including chillers, cooling towers, air handling units, rooftop units, exhaust fans, VFDs and related equipment through hands-on oversight and building automation systems.

Perform routine inspections, preventive maintenance, and emergency repairs to ensure optimal system performance and minimize downtime while maintaining temperature, humidity, and air quality within specified parameters.

Diagnose and troubleshoot mechanical, electrical, and control system issues using technical knowledge and diagnostic tools, responding promptly to service calls, equipment alarms, and tenant comfort complaints.

Analyze system performance data to identify energy conservation opportunities, adjust equipment schedules and setpoints to optimize energy usage, and track utility consumption to support sustainability initiatives.

Maintain accurate logs of equipment operation, maintenance activities, and system performance metrics in the computerized maintenance management system (CMMS) and complete work orders in accordance with compliance requirements.

Coordinate with contractors and vendors for specialized repairs or system upgrades, ensuring work meets quality standards and building requirements.

Follow established safety protocols, lockout/tagout procedures, and participate in emergency preparedness planning and building evacuation procedures.

Required Qualifications:

Minimum 3-5 years of experience operating and maintaining commercial HVAC systems in large-scale facilities (100,000+ sq ft preferred) with demonstrated experience in central plant operations, air distribution systems, and building automation platforms.

Valid HVAC certification as required by local jurisdiction and EPA Section 608 Universal Refrigerant Certification (required).

Strong working knowledge of HVAC principles, thermodynamics, and psychrometrics with ability to read and interpret blueprints, schematics, and technical manuals.

Proficiency with building automation systems (Johnson Controls, Siemens, Tridium, or similar platforms) and experience with computerized maintenance management systems (CMMS).

Basic electrical troubleshooting skills with understanding of control circuits and experience with 3-phase 480v systems.

Strong communication skills and ability to work effectively with facility management, tenants, and contractors in a professional environment.

Physical ability to climb ladders, work in mechanical rooms and rooftops, and lift up to 50 pounds; valid driver's license preferred.

Preferred Qualifications:

High school diploma or equivalent; technical school training or associate degree in HVAC, mechanical systems, or related field.

CFC certification or additional refrigeration credentials beyond EPA Section 608 Universal certification.

Experience with energy management systems,…