**Overview**

ABM is seeking a **Critical Facility Technician III – HVAC** to support mission-critical facility operations in the **Morrisville, PA** market. This senior-level role is responsible for performing advanced preventative maintenance, troubleshooting, repair, and operational support on HVAC, mechanical, and critical cooling systems that support a high-availability data center or critical facility environment.

The ideal candidate has a strong commercial or industrial HVAC background, advanced troubleshooting skills, and experience supporting large-scale mechanical systems in critical environments. This role serves as a technical resource for junior technicians, supports root cause analysis, assists with vendor coordination, and helps ensure safe, reliable operation of critical facility infrastructure.

**Responsibilities**

+ Perform advanced preventative maintenance and repairs on HVAC and mechanical systems
+ Troubleshoot AHUs, CRAC/C...