Critical Facility Technician Journeyman HVAC Full Time Days

ABM•Whitney, TX

20d

About The Position

The Critical Facilities HVAC Technician is responsible for operating, maintaining, troubleshooting, and repairing HVAC and mechanical systems that support continuous mission-critical data center operations. The role provides after-hours technical coverage to support system reliability, respond rapidly to alarms, and ensure a seamless handoff between shifts. The technician works independently and coordinates closely with site operations, Controls, Chiller, Electrical, and on-call support teams. This role is based 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; occasional extended hours or emergency response may be needed. ABM Mission Critical Solutions supports advanced data center facilities, offering work with high-reliability environments, advanced systems, a strong safety culture, and opportunities for technical growth.

Requirements

Minimum 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 required.
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/chiller training.
OSHA 10 or OSHA 30 training.
BAS/BMS or controls familiarity, such as Niagara, Siemens, Schneider, or similar.

Responsibilities

Perform preventive, predictive, and corrective maintenance on HVAC systems, including CRAH/CRAC units, AHUs, condensers, pumps, VFDs, humidification systems, and associated mechanical equipment.
Monitor system performance, BAS/BMS alarms, trends, and environmental conditions during second shift to ensure thermal stability and environmental compliance.
Respond to HVAC alarms, alerts, and service requests, initiating escalation procedures as required.
Troubleshoot mechanical, electrical, and basic controls issues affecting HVAC performance and reliability.
Carry out approved work in accordance with SOPs, MOPs, EOPs, safety procedures, and change-control requirements to avoid impacting critical operations.
Support scheduled maintenance activities and planned work during second-shift maintenance windows.
Perform inspections, identify deficiencies, and document corrective actions or follow-up needs.
Coordinate with first-shift teams to provide accurate turnover of system status, issues, and ongoing work.
Escort and oversee third-party vendors performing after-hours maintenance or repairs.
Document work performed in the CMMS, including findings, repairs, recommendations, and escalation details.
Adhere to safety, environmental, and mission-critical procedures.