The 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.
Benefit Information:ABM offers a comprehensive benefits package. For information about ABM?s benefits, visit |
Essential Duties and 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 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.
Required Qualifications
- 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.
- 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 / Training
- EPA Universal Refrigerant Certification preferred
- OEM HVAC or CRAC/CRAH training preferred
- OSHA 10 or OSHA 30 preferred
- Data center or mission-critical operations training preferred
- BAS/BMS or controls training a plus
Physical Requirements
- Ability 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 Environment
- Mission-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 ABM
ABM 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.
About Us
ABM (NYSE: ABM) is one of the world?s largest providers of facility services and solutions. A driving force for a cleaner, healthier, and more sustainable world, ABM provides essential services and forward-looking performance solutions that improve the spaces and places that matter most. From curbside to rooftop, ABM?s comprehensive services include janitorial, engineering, parking, electrical and lighting, energy and electric vehicle charging infrastructure, HVAC and mechanical, landscape and turf, and mission critical solutions. ABM serves a wide range of industries ? from commercial office buildings to universities, airports, hospitals, data centers, manufacturing plants and distribution centers, entertainment venues and more. Founded in 1909, ABM serves over 20,000 clients, with annualized revenue approaching $8 billion and more than 100,000 team members in 350+ offices throughout the United States, United Kingdom, Republic of Ireland, and other international locations. For more information, visit
ABM is proud to be an Equal Opportunity Employer qualified applicants without regard race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran or any other protected factor under federal, state, or local law. ABM is committed to working with and providing reasonable accommodation to individuals with disabilities. If you have a disability and need assistance in completing the employment application, please call . We will provide you with assistance and make a determination on your request for reasonable accommodation on a case-by-case basis.
ABM participates in the U.S. Department of Homeland Security E-Verify program. E-Verify is an internet-based system used to electronically confirm employment eligibility.
ABM is a military-friendly company proudly employing thousands of men and women who have served in the U.S. military. With ABM, you?ll have access to a world-class training program and ample opportunities to use the skills you developed while serving our country. Whether you?re looking for a frontline or professional position, you can find post-military career opportunities across ABM.
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