Critical Facilities Technician

Job Description

The Critical Facilities HVAC Technician is responsible for operating, maintaining, troubleshooting, and repairing HVAC and mechanical systems supporting continuous mission-critical data center operations. This role provides after-hours technical coverage to ensure system reliability, rapid response to alarms, and seamless handoff between shifts. The technician works independently while coordinating closely with site operations, Controls, Chiller, Electrical, and on-call support teams.

Pay: $35.00 -$45.00/hour

The pay listed is the hourly range or the hourly rate for this position. A specific offer will vary based on applicant's experience, skills, abilities, geographic location, and alignment with market data.

Benefit Information: ABM offers a comprehensive benefits package. For information about ABM's benefits, visit ABM Employee Benefits | Front Line Team Members

A good job for someone just entering the workforce or returning to the workforce with limited experience and education. ABM is a military and veteran friendly employer, veterans and candidates with military experience encouraged to apply. Military Occupational Specialty Code: 91E, 91C, EM, HT, MK, DC, 1161, 1341, 3E1X1

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 impacting HVAC performance and reliability.
• Execute approved work in accordance with SOPs, MOPs, EOPs, safety procedures, and change-control requirements to prevent impact to critical operations.
• Support scheduled maintenance activities and planned work occurring during second-shift maintenance windows.
• Perform inspections, identify deficiencies, and document corrective actions or follow-up needs.
• Coordinate with first-shift teams to ensure accurate turnover of system status, issues, and ongoing work.
• Escort and oversee third-party vendors performing after-hours maintenance or repairs.
• Accurately document all work performed in the CMMS, including findings, repairs, recommendations, and escalation details.
• Maintain strict adherence to all safety, environmental, and mission-critical procedures.

Qualifications

Required Qualifications

• Minimum 3-5 years of commercial or industrial HVAC experience; data center or mission-critical experience preferred.
• 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.
• Experience following SOPs, MOPs, EOPs, and shift handoff procedures preferred.
• Good written and verbal communication skills, including clear shift documentation and escalation.
• 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
• BAS/BMS or controls familiarity, such as Niagara, Siemens, Schneider, or similar, a plus

Physical Requirements

• 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.

Work Environment

• Mission-critical data center environment requiring high attention to detail, procedural discipline, safety awareness, and reliable shift documentation.
• Second-shift coverage; occasional extended hours or emergency response may be required.

About Us

ABM (NYSE: ABM) is one of the world's largest providers of integrated facility, engineering, and infrastructure solutions. Every day, our over 100,000 team members deliver essential services that make spaces cleaner, safer, and efficient, enhancing the overall occupant experience. ABM serves a wide range of market sectors including commercial real estate, aviation, education, mission critical, and manufacturing and distribution. With over $8 billion in annual revenue and a blue-chip client base, ABM delivers innovative technologies and sustainable solutions that enhance facilities and empower clients to achieve their goals. Committed to creating smarter, more connected spaces, ABM is investing in the future to meet evolving challenges and build a healthier, thriving world. ABM: Driving possibility, together. ABM is an Equal Employment Opportunity (EEO) employer that does not discriminate on the basis of any trait or characteristic protected by applicable federal, state, or local law, including disability and protected veteran status. 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 View phone number on click.appcast.io. 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. ABM directs all applicants to apply at ABM does not accept unsolicited resumes or submissions outside of this portal. Applicants should submit their application by clicking Apply Now. For more information, visit

Job Info

• Job Identification 161058
• Posting Date 07/22/2026, 12:40 PM
• Job Schedule Full time
• Locations Ashburn, VA, United States
• Job Category Engineering
• Work Days Full Time Days
• Workplace On-site