Senior Critical Facility Technician-Mechanical

ABM US•Whitney, TX

14d•Onsite

About The Position

The Senior Critical Facility Technician-Mechanical is responsible for advanced operation, maintenance, troubleshooting, and repair of HVAC and mechanical systems supporting a mission-critical data center. The role provides technical leadership, supports system reliability and efficiency, and helps maintain continuous operation of critical cooling infrastructure. The technician works closely with Controls, Chiller, Electrical, and site operations teams and serves as a subject-matter expert for HVAC activities, including troubleshooting, planned maintenance, system optimization, and incident response. The position is based in a mission-critical data center setting and follows a Monday–Friday day shift schedule; limited after-hours or emergency support may be required.

Requirements

Minimum 7 years of HVAC experience, preferably in mission-critical, data center, industrial, or large commercial environments.
Strong working knowledge of commercial HVAC systems, chilled water systems, airflow management, humidity control, VFDs, pumps, and BAS/BMS interfaces.
Ability to read and interpret mechanical drawings, P&IDs, wiring diagrams, sequences of operation, and technical documentation.
Demonstrated ability to troubleshoot electrical, mechanical, and control-related HVAC issues.
Strong leadership, communication, documentation, and shift handoff skills.
High school diploma or equivalent required.
Ability to lift up to 50 pounds.
Ability to stand, walk, climb ladders, kneel, bend, and work in mechanical spaces for extended periods.
Ability to work at heights and in varying environmental conditions.

Nice To Haves

Experience working under SOPs, MOPs, EOPs, change control, and zero-impact work practices.
Technical or trade school education.
EPA Universal Refrigerant Certification.
OEM HVAC or CRAC/CRAH training.
OSHA 10 or OSHA 30 certification.
Data center or mission-critical operations training.
BAS/BMS or controls training.

Responsibilities

Perform advanced preventive, predictive, and corrective maintenance on HVAC systems, including CRAH/CRAC units, AHUs, fan systems, pumps, chillers at a support level, VFDs, humidification systems, and associated mechanical equipment.
Lead troubleshooting for complex HVAC, airflow, humidity, and thermal issues affecting data halls and support spaces.
Monitor system performance, BAS/BMS alarms and trends, and environmental conditions to ensure thermal stability and system efficiency.
Support seasonal changeovers, load transitions, operational adjustments, and system optimization initiatives.
Execute work in accordance with approved SOPs, MOPs, EOPs, safety requirements, and change-control processes.
Serve as a technical escalation point for HVAC issues and provide guidance to junior technicians.
Coordinate with Controls and Chiller teams to verify sequences of operation, setpoints, alarms, and system integration.
Inspect mechanical systems, identify deficiencies, and recommend corrective actions, repairs, or capital improvements.
Escort and oversee third-party contractors, OEMs, and vendors, ensuring compliance with site safety and operational requirements.
Document work performed, deficiencies, corrective actions, and recommendations in the CMMS.
Participate in incident response, root cause analysis, post-incident review, and continuous improvement initiatives.
Maintain compliance with safety, environmental, regulatory, and company policies.