Specialist, HVAC Technician

JLL•Mattawan, MI

3d•Onsite

About The Position

The Industrial HVAC / Facilities Mechanic is responsible for operating, maintaining, and troubleshooting critical facility systems, including chiller plants, boiler systems, and mechanical/HVAC equipment. The role helps ensure reliable site utilities through preventive maintenance, prompt response to equipment issues, and compliance with safety and regulatory standards. This is an on-site position in Mattawan, Michigan. Visa sponsorship is not provided; candidates must be authorized to work in the United States without sponsorship.

Requirements

Experience in industrial or commercial HVAC/mechanical maintenance.
Strong working knowledge of chilled-water systems, boiler systems, HVAC equipment and controls, Building Management Systems (BMS) or Building Automation Systems (BAS), and water-treatment principles for boiler and chilled-water systems.
Familiarity with facility ventilation and exhaust systems, including high-plume exhaust concepts.
Ability to troubleshoot mechanical, electrical, airflow, and control-system issues.
Experience creating and working under JHAs and JSAs.
Knowledge of safe work practices and regulatory compliance.
Authorization to work in the United States without visa sponsorship.

Responsibilities

Operate and monitor chiller plant systems and associated equipment to support optimal performance and reliability.
Operate and maintain boiler systems, troubleshoot operational issues, and make necessary adjustments.
Use and interpret Building Management System (BMS) data to monitor system performance, alarms, and trends.
Respond to BMS alarms and investigate abnormal system conditions.
Support operation of facility ventilation and exhaust systems, including general exhaust and high-plume systems as needed.
Perform preventive maintenance, troubleshooting, and repairs on air handling units (AHUs), rooftop HVAC units (RTUs), pumps, motors, valves, air compressors, compressed-air systems, and facility exhaust systems.
Diagnose mechanical, electrical, control-system, and airflow-related issues.
Assist with major maintenance activities and system repairs as required.
Monitor and support water treatment programs for boiler and chilled-water systems.
Check water-quality parameters such as conductivity, pH, and chemical levels, and identify abnormal conditions.
Coordinate with water-treatment vendors and support corrective actions as needed.
Develop and follow Job Hazard Analyses (JHAs) and Job Safety Analyses (JSAs) before performing work.
Complete work in compliance with site safety policies, regulatory requirements, and best practices.