Assistant Chief Engineer

JLL•Doral, FL

4d•Onsite

About The Position

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies 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: The Assistant Chief Engineer plays a key role in overseeing daily operations, maintenance, and management of all building systems and equipment in a critical environment. This position requires extensive mechanical expertise to ensure optimal performance of HVAC, plumbing, electrical, and building automation systems while maintaining the highest standards of safety, efficiency, and tenant satisfaction. You'll directly contribute to JLL's operational excellence by ensuring 100% uptime of critical building systems through proactive maintenance, expert troubleshooting, and strategic oversight of contractor activities. This role demands participation in a 24/7 on-call schedule rotation and readiness to respond to urgent situations outside normal working hours, including severe weather, equipment failures, and emergencies, ensuring continuous building operations and tenant safety.

Requirements

High school diploma or equivalent required
Valid driver's license required
Previous hands-on experience working with commercial building equipment including generators, UPS, chillers, and HVAC systems
Strong knowledge of electrical systems, HVAC, fire safety, and backup power systems in critical applications
Strong mechanical troubleshooting abilities with common building equipment and systems
Physical ability to use ladders up to 30 ft, work from heights, climb stairs and navigate rooftops to access equipment
Position requires excellent communication skills in English, both oral and written

Nice To Haves

Technical certification or training in HVAC, electrical, or mechanical systems
Experience with building automation systems and computerized maintenance management systems (CMMS)
Background in critical facility environments such as data centers or mission-critical operations
Knowledge of energy management and optimization practices
Experience with emergency response procedures and protocols
Familiarity with regulatory compliance requirements for commercial building operations
Previous experience in contractor oversight and project coordination

Responsibilities

Monitor and optimize building systems performance including chillers, boilers, cooling towers, air handling units, and building automation systems
Conduct regular inspections of mechanical equipment and systems to identify potential issues and ensure preventive maintenance schedules are maintained
Perform complex mechanical troubleshooting and repairs on HVAC systems, pumps, motors, and related equipment
Prioritize all preventive maintenance, corrective and emergent work orders for the site including annual, monthly, weekly, and daily schedules
Oversee contractor work and ensure compliance with specifications and building standards while maintaining quality control
Ensure all mechanical systems operate in compliance with local codes, regulations, and safety standards
Maintain accurate records of equipment maintenance, repairs, and system modifications for regulatory and operational purposes