Demo

Critical Facilities Technician III

ABM US
Irving, TX Full Time
POSTED ON 7/6/2026
AVAILABLE BEFORE 8/29/2026

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.

Qualifications:

  • 5 years of HVAC experience in commercial, industrial, or mission-critical environments
  • EPA 608 Universal Certification required
  • High School Diploma or GED required
  • Valid driver’s license required
  • Strong electrical and mechanical troubleshooting skills
  • Ability to read schematics, wiring diagrams, manuals, and technical documentation
  • Experience with BAS/BMS systems and CMMS preferred
  • Experience in data centers, healthcare, manufacturing, industrial, or other critical environments preferred
  • Journeyman-level progression, trade school, apprenticeship, or formal HVAC training preferred
  • Ability to lift up to 50 pounds
  • Ability to climb ladders and access mechanical equipment
  • Ability to stand, walk, kneel, crouch, and work in confined spaces
  • Ability to work indoors and outdoors in a live critical facility environment

Responsibilities:

  • Perform advanced preventative maintenance and repairs on HVAC and mechanical systems
  • Troubleshoot AHUs, CRAC/CRAH units, DX systems, chilled water systems, pumps, motors, VFDs, boilers, and related equipment
  • Monitor BAS/BMS systems, respond to alarms, and investigate operational issues
  • Conduct facility rounds to verify equipment status, temperature, humidity, and system performance
  • Support corrective maintenance, root cause analysis, and reliability improvements
  • Provide technical guidance to Level I and II technicians
  • Coordinate with vendors and contractors during maintenance and repair activities
  • Complete accurate documentation in CMMS
  • Follow all safety procedures, including LOTO, PPE, SDS, and site-specific protocols
  • Participate in emergency response activities as needed

Salary.com Estimation for Critical Facilities Technician III in Irving, TX
$32,728 to $41,526
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