HVAC Technician

About the role

JLL is seeking a skilled and reliable HVAC Technician to join our facilities operations team in Hopkinton, MA. In this hands-on role, you'll be responsible for maintaining, troubleshooting, repairing, and optimizing HVAC systems to ensure comfortable, efficient, and safe building environments for our clients and occupants.

Responsibilities

• Perform scheduled preventive maintenance on HVAC equipment including rooftop units, split systems, chillers, boilers, air handlers, fan coil units, variable air volume (VAV) boxes, and related components
• Troubleshoot and diagnose HVAC system malfunctions using diagnostic tools, technical manuals, and systematic problem-solving approaches
• Execute repairs on HVAC equipment including compressor replacement, refrigerant leak detection and repair, motor replacement, belt and filter changes, and control system adjustments
• Conduct seasonal HVAC system start-ups and shutdowns, ensuring proper preparation and transition between heating and cooling modes
• Monitor building automation system (BAS) for HVAC alarms, performance anomalies, and efficiency opportunities, responding promptly to system alerts
• Complete assigned preventive maintenance work orders according to established schedules, procedures, and quality standards
• Respond promptly to HVAC-related service calls, comfort complaints, and emergency system failures
• Diagnose root causes of HVAC issues including inadequate heating or cooling, poor air distribution, excessive noise, water leaks, or control malfunctions
• Implement temporary solutions to restore comfort while planning and executing permanent repairs
• Communicate effectively with building occupants, property management, and facilities leadership regarding service issues, expected resolution times, and completed repairs
• Escalate complex technical issues or capital equipment failures to Chief Engineer or Facilities Manager with detailed diagnostic information and repair recommendations
• Afford basic plumbing maintenance and repairs including fixture replacement, drain clearing, valve repairs, and water system troubleshooting
• Support electrical maintenance activities such as lighting repairs, outlet replacement, ballast changes, and basic circuit troubleshooting under appropriate supervision and within scope of qualifications
• Collaborate with specialized contractors or licensed professionals for complex plumbing or electrical work requiring advanced expertise or regulatory compliance
• Monitor HVAC system performance for opportunities to improve efficiency, reduce energy consumption, and enhance occupant comfort
• Adjust system setpoints, schedules, and operational parameters to optimize performance while maintaining comfort and meeting client requirements
• Identify and recommend equipment upgrades, retrofits, or replacements that improve reliability, efficiency, or functionality
• Support energy management initiatives by ensuring HVAC systems operate according to established schedules and efficiency protocols
• Follow all OSHA safety regulations, lockout/tagout procedures, and JLL safety protocols when performing maintenance and repair work
• Use personal protective equipment (PPE) appropriately including safety glasses, gloves, respiratory protection, and hearing protection as required
• Maintain clean, organized work areas and properly store tools, equipment, and materials after completing work
• Handle refrigerants in accordance with EPA regulations, ensuring proper recovery, recycling, and documentation of all refrigerant transactions
• Complete required safety training, toolbox talks, and safety documentation including Job Safety Analysis (JSA) forms for high-risk activities
• Document all work performed including maintenance activities, repairs, parts used, and time invested
• Communicate effectively with Chief Engineer, Facilities Manager, and team members regarding system status, ongoing issues, and maintenance priorities
• Participate in shift turnover meetings or communications, ensuring continuity of operations and awareness of current issues
• Complete required certifications, test reports, and compliance documentation for HVAC equipment and systems

Qualifications

• High school diploma or equivalent required
• Completion of HVAC technical training program, trade school, or apprenticeship preferred
• EPA Section 608 Universal Refrigerant Certification (Type I, II, III, and IV) strongly preferred
• OSHA 10 certification preferred
• 3-5 years of hands-on experience performing HVAC maintenance, troubleshooting, and repair in commercial, industrial, or institutional facilities
• Demonstrated ability to diagnose and repair a variety of HVAC equipment including rooftop units, split systems, chillers, boilers, and air handling equipment
• Experience working independently and as part of a facilities maintenance team
• Familiarity with computerized maintenance management systems (CMMS) and work order documentation practices

Skills and Knowledge

• Strong technical knowledge of HVAC systems, controls, refrigeration cycles, and building comfort principles
• Proficiency using HVAC diagnostic tools including multimeters, refrigerant gauges, pressure sensors, temperature probes, and leak detection equipment
• Ability to read and interpret technical manuals, wiring diagrams, piping schematics, and building automation system interfaces
• Understanding of lockout/tagout procedures, electrical safety practices, and refrigerant handling regulations
• Good communication skills with ability to interact professionally with building occupants, management, and team members
• Self-motivated with ability to work independently, prioritize tasks, and manage time effectively
• Physical ability to lift equipment and materials up to 50 pounds, work on ladders and rooftops, and access mechanical spaces
• Valid driver's license with clean driving record

Preferred Qualifications

• Massachusetts HVAC Journeyman or Master license highly desirable
• Additional HVAC manufacturer certifications (Carrier, Trane, York, Lennox, etc.) a plus
• Building Automation System (BAS) training or certifications (Tridium, Johnson Controls, Siemens, Honeywell, etc.) beneficial
• Experience in commercial real estate, corporate office environments, healthcare facilities, or data centers a plus
• Familiarity with energy management practices and building sustainability initiatives
• Customer service orientation with focus on occupant satisfaction and comfort