Critical Facilities HVAC Technician — Day Shift

ABM•Whitney, TX

About The Position

The Critical Facilities HVAC Technician operates, maintains, troubleshoots, and repairs HVAC and mechanical systems that support continuous mission-critical data center operations. The role provides after-hours technical coverage, responds rapidly to alarms, supports system reliability, and ensures seamless shift handoffs. The technician works independently while coordinating with site operations, Controls, Chiller, Electrical, and on-call support teams. The position involves preventive, predictive, and corrective maintenance on HVAC and related mechanical equipment; monitoring system performance and environmental conditions; responding to alarms and service requests; and carrying out approved work under established procedures and change-control requirements. The technician also supports planned second-shift maintenance, documents work in the CMMS, coordinates with first-shift teams, and oversees vendors performing after-hours work. This work takes place in a mission-critical data center environment that requires attention to detail, procedural discipline, safety awareness, and reliable shift documentation. Second-shift coverage is required, and occasional extended hours or emergency response may be necessary. ABM Mission Critical Solutions supports advanced data center facilities and describes opportunities for technical growth in high-reliability environments.

Requirements

At least 3–5 years of commercial or industrial HVAC experience.
Working knowledge of chilled water systems, airflow management, humidity control, HVAC controls interfaces, VFDs, and pumps.
Ability to read and interpret mechanical drawings, wiring diagrams, and sequences of operation.
Strong troubleshooting skills and ability to work independently during off-peak hours.
Good written and verbal communication skills, including clear shift documentation and escalation.
High school diploma or equivalent.
Ability to lift up to 50 lbs.
Ability to stand, walk, kneel, bend, and work in mechanical rooms for extended periods.
Ability to climb ladders and work at heights as required.

Nice To Haves

Data center or mission-critical experience.
Experience following SOPs, MOPs, EOPs, and shift handoff procedures.
Technical or trade school education.
EPA Universal Refrigerant Certification.
OEM HVAC or CRAC/CRAH training.
OSHA 10 or OSHA 30 training.
Familiarity with BAS/BMS or controls systems such as Niagara, Siemens, Schneider, or similar.

Responsibilities

Perform preventive, predictive, and corrective maintenance on HVAC systems and related equipment, including CRAH/CRAC units, AHUs, condensers, pumps, VFDs, and humidification systems.
Monitor system performance, BAS/BMS alarms and trends, and environmental conditions during second shift to maintain thermal stability and environmental compliance.
Respond to HVAC alarms, alerts, and service requests, escalating issues when required.
Troubleshoot mechanical, electrical, and basic controls issues affecting HVAC performance and reliability.
Perform approved work in accordance with SOPs, MOPs, EOPs, safety procedures, and change-control requirements.
Support scheduled maintenance and planned work during second-shift maintenance windows.
Inspect equipment, identify deficiencies, and document corrective actions or follow-up needs.
Coordinate with first-shift teams to hand off system status, issues, and ongoing work accurately.
Escort and oversee third-party vendors performing after-hours maintenance or repairs.
Document work in the CMMS, including findings, repairs, recommendations, and escalation details.
Follow safety, environmental, and mission-critical procedures.