Specialist, Engineering Services

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.

As a Mobile Engineer at JLL, you'll serve as a critical technical resource across multiple client facilities, ensuring optimal performance of building systems and infrastructure. This role combines hands‑on technical expertise with strategic facility management, requiring you to operate, maintain, troubleshoot, and repair equipment across Mechanical, Electrical, HVAC, Plumbing, and Life Safety systems. You'll be the go‑to expert who travels between sites, applies deep knowledge in your primary craft area while demonstrating versatility across multiple disciplines, and ensures our clients' facilities operate safely, efficiently, and to the highest standards.

This position offers the opportunity to work independently, solve complex technical challenges, and directly impact the operational excellence that defines JLL's reputation in facility management.

• Operate, maintain, and repair facility equipment across Mechanical, HVAC, Plumbing, Structural, Fire, Life Safety, and Control systems to maintain compliance with applicable standards and ensure optimal building performance
• Travel between multiple assigned facilities to conduct preventative maintenance, monitor system performance, record equipment readings, and make necessary adjustments to ensure proper operation
• Clean, inspect, calibrate, and replace parts on HVAC systems and associated equipment to maintain peak performance levels and extend equipment lifecycle
• Manage facility services responsibilities including preventative maintenance scheduling, purchasing and inventory control, and oversight of contracted maintenance work quality and pricing
• Perform periodic inventory checks of tools and instruments, ensuring proper maintenance and availability of equipment needed for daily operations
• Maintain safe work practices by complying with departmental policies for hazardous material storage, usage, and disposal while identifying safety hazards and proposing corrective measures
• Analyze complex building system operations to diagnose malfunctions, determine root causes, and implement corrective actions that minimize downtime and costs

• High School Diploma or equivalent
• 10+ years of hands‑on experience maintaining and repairing commercial building systems
• EPA 608 Type II Certification (minimum)
• Demonstrated ability to analyze and troubleshoot Commercial or Industrial Mechanical, Electrical, Plumbing, and HVAC systems with proven problem‑solving capabilities
• Valid driver's license with ability to travel between multiple facility locations
• Technical expertise in at least one craft area (Electrical, HVAC, Piping/Plumbing, or Central Utility Plant Operations) with multi-skilled capabilities in others
• Working knowledge of computer applications including Microsoft Word and Excel for documentation and reporting

• EPA 608 Universal Certification
• Two years of formal trades schooling in electrical system design, refrigeration, and HVAC
• Experience with computerized maintenance management systems (CMMS)
• Building automation systems (BAS) knowledge and operational experience
• OSHA safety…