Stationary Engineer HVAC

JLL; Charleston (SC); On-site; USD 60,000 - 85,000; Full time

Job summary

JLL is seeking an experienced Commercial HVAC Mechanic in Charleston, SC, to support operation, maintenance, and repair of HVAC systems across client facilities. The role requires strong technical expertise in commercial HVAC equipment, troubleshooting, and preventive maintenance in a fast-paced facilities environment.

Day-to-day tasks include preventive maintenance on chillers, boilers, AHUs, and rooftop units; diagnosing issues across mechanical, electrical, and control systems; and

Qualifications

• 5+ years hands-on experience with commercial HVAC systems.
• EPA Universal Certification required.
• Valid driver’s license.

Responsibilities

• Perform preventive maintenance and repairs on commercial HVAC systems (chillers, boilers, AHUs, rooftops).
• Diagnose and troubleshoot mechanical, electrical, and control system issues.
• Monitor building automation systems to optimize performance and energy use.
• Respond to service requests and emergency repairs in a timely, professional manner.
• Conduct routine inspections and identify opportunities for improvements.
• Maintain accurate maintenance records and compliance documentation.
• Coordinate with vendors and internal teams for maintenance projects.
• Participate in an on‑call rotation for after‑hours emergency service.

Skills

HVAC systems

Troubleshooting

Reading blueprints

Preventive maintenance

Energy efficiency

Education

High school diploma or equivalent

Tools

HVAC diagnostic tools

Job description

Commercial HVAC Mechanic - JLL

What this job involves: We are seeking an experienced Commercial HVAC Mechanic to support the operation, maintenance, and repair of HVAC systems within client facilities. In this role, you will help ensure building systems operate efficiently, safely, and reliably while delivering a high level of service to occupants and stakeholders. The position requires strong technical expertise in commercial HVAC equipment, troubleshooting capabilities, and the ability to manage preventive maintenance and emergency repair activities in a fast-paced facilities management environment.

What your day-to-day will look like:

• Perform preventive maintenance and repairs on commercial HVAC systems including chillers, boilers, cooling towers, air handling units, rooftop units, and related equipment.
• Diagnose and troubleshoot mechanical, electrical, and control system issues to restore equipment functionality.
• Monitor, adjust, and maintain building automation systems to optimize building performance and energy efficiency.
• Respond to service requests and emergency repair calls in a timely and professional manner.
• Conduct routine inspections of HVAC equipment and identify opportunities for operational improvements.
• Maintain accurate maintenance records, service documentation, and compliance reports.
• Coordinate with vendors, contractors, and internal teams to support maintenance projects and operational needs.
• Participate in an on-call rotation to support after-hours and emergency service requirements.

Required Qualifications:

• High school diploma or equivalent.
• This position is represented by IUOE Local 465. Candidates must either be current union members or be willing and able to join the union within 90 days of employment as a condition of hire.
• Minimum of 5 years of hands-on experience working with commercial HVAC systems.
• EPA Universal Certification required.
• Valid driver's license.
• Strong knowledge of commercial HVAC equipment including chillers, boilers, and building automation systems.
• Ability to read and interpret blueprints, schematics, and technical manuals.
• Proficiency using HVAC diagnostic tools, testing equipment, and troubleshooting methods.

Preferred Qualifications:

• NATE Certification or HVAC Excellence Certification, or ability to obtain within 6 months of employment.
• Experience working in commercial facilities management or property operations environments.
• Familiarity with building automation and energy management systems.
• Strong communication and customer service skills.
• Ability to work independently while collaborating effectively with team members.
• Experience maintaining accurate maintenance and compliance documentation.
• Physical ability to lift up to 50 lbs and work in confined spaces, at heights, and in varying weather conditions.

Location:

Charleston, SC

Work Shift:

Monday through Friday from 8:00 AM to 5:30 PM, with participation in an emergency on-call rotation.