HVAC Engineer (Weekend Nights

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 peopleand empowering them tothrive, 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.

SHIFT: THURSDAY - SUNDAY 8PM-6:30AM

What this job involves:

As an Operating/Building Engineer with a primary focus on HVAC and mechanical systems, you'll play a critical role in keeping our industrial manufacturing facility's environmental control and building systems running at peak performance during overnight hours. This position centers on operating, maintaining, troubleshooting, and repairing HVAC equipment and facility systems that support production operations, including large-capacity chillers, boilers, process cooling systems, air handlers, exhaust ventilation, compressed air systems, and related Mechanical, Electrical, Plumbing, Fire, and Life Safety systems.

You'll manage complex HVAC and industrial utility systems that directly impact production continuity, diagnose and resolve system issues as they arise, and ensure optimal environmental conditions while manufacturing operations continue seamlessly. At JLL, we are collectively shaping a brighter way for our clients, ourselves, and our fellow employees, and your HVAC and industrial systems expertise will be essential to delivering the reliable, efficient facility operations our manufacturing clients depend on.

SHIFT: THURSDAY - SUNDAY 8PM-6:30AM

What your day-to-day will look like:

• Operate, maintain, and repair industrial HVAC systems and equipment including large-tonnage chillers, boilers, cooling towers, makeup air units, process exhaust systems, and associated controls to maintain production‑critical environmental conditions
• Perform preventative maintenance on heating, ventilation, air conditioning, and process ventilation systems, including filter changes, belt replacements, motor maintenance, coil cleaning, cooling tower treatment monitoring, and calibration of sensors and controls
• Monitor and adjust building automation systems (BAS) and direct digital controls (DDC) to optimize temperature, humidity, air quality, and pressurization in production areas while maintaining energy efficiency
• Support industrial utility systems including compressed air, process cooling water, and exhaust ventilation that directly impact manufacturing operations
• Record equipment readings including temperatures, pressures, flow rates, amperage, vibration levels, and system parameters, making necessary adjustments to ensure proper operation and identifying potential issues before they impact production
• Troubleshoot HVAC and mechanical system malfunctions using diagnostic tools and instruments, determining root causes and implementing effective repairs to minimize production disruption
• Perform refrigerant recovery, evacuation, and charging procedures on industrial‑scale systems in accordance with EPA regulations and best practices
• Monitor the quality and pricing of maintenance work performed by outside HVAC and mechanical contractors to ensure standards are met and costs remain competitive
• Maintain responsibility for HVAC‑related purchasing and inventory control, including filters, belts, refrigerants, motors, and critical spare parts for emergency repairs
• Support facility systems beyond HVAC including industrial lighting, process piping, compressed air systems, and fire/life safety systems as needed to ensure comprehensive facility operations
• Respond to production‑related environmental control issues promptly to maintain manufacturing schedules and product quality requirements
• Perform periodic checks of HVAC and mechanical tools inventory including gauges, vacuum pumps, recovery machines, multimeters, and vibration analyzers to ensure all equipment is properly maintained and calibrated

Required qualifications:

• 5+…