Facilities Technician

Lead HVAC TechnicianThe Lead HVAC Technician is responsible for advanced operation, maintenance, troubleshooting, and repair of HVAC and mechanical systems supporting a mission-critical data center environment. This role provides technical leadership, supports system reliability and efficiency, and helps maintain continuous operation of critical cooling infrastructure.The Senior HVAC Technician works closely with Controls, Chiller, Electrical, and site operations teams and serves as a subject-matter expert for HVAC-related activities, including troubleshooting, planned maintenance, system optimization, and incident response.ResponsibilitiesEssential Duties and ResponsibilitiesPerform 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 impacting data halls and support spaces.Monitor system performance, BAS/BMS alarms, trends, and environmental conditions to ensure thermal stability and system efficiency.Support seasonal changeovers, load transitions, operational adjustments, and system optimization initiatives.Execute all 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 closely 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.Accurately document all work performed, deficiencies identified, corrective actions, and recommendations in the CMMS.Participate in incident response, root cause analysis, post-incident review, and continuous improvement initiatives.Maintain compliance with all safety, environmental, regulatory, and company policies.QualificationsRequired QualificationsMinimum 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.Experience working under SOPs, MOPs, EOPs, change control, and zero-impact work practices preferred.Strong leadership, communication, documentation, and shift handoff skills.High school diploma or equivalent required; technical or trade school preferred.Preferred Certifications / TrainingEPA Universal Refrigerant Certification preferredOEM HVAC or CRAC/CRAH training preferredOSHA 10 or OSHA 30 preferredData center or mission-critical operations training preferredBAS/BMS or controls training a plusPhysical RequirementsAbility to lift up to 50 lbs.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.Work EnvironmentMission-critical data center setting requiring strict adherence to procedures, safety, documentation, and attention to detail.Day shift, Monday-Friday; limited after-hours or emergency support may be required.Why ABMABM Mission Critical Solutions supports some of the most advanced data center facilities in the industry. Our technicians operate in high-reliability environments with opportunities for long-term growth, advanced training, and technical leadership. ABM Industries