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# HVAC Technician III, Data Center

- **Company:** Reliant Critical Infrastructure
- **Location:** Loudoun County, VA, United States
- **Experience:** Expert
- **Salary:** $52,000.0 - $83,200.0
- **Contract:** Permanent contract
- **Skills:** Data Centers, Microsoft Office, Diagnostic Tools
- **Published:** September 20, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=b282e918046cf38c

## About the Role

* High school diploma or GED required.
 * Minimum of 7 years of large commercial HVAC service experience required; 8 years preferred.
 * Completion of a basic air conditioning theory class.
 * Proficiency in the use of HVAC diagnostic tools and instruments.
 * Experience with DDC, pneumatic, and variable frequency drive controls.
 * Proficient in Microsoft Office or related software.
 * Ability to satisfactorily complete any required client background checks or training.
 * Environmental Protection Agency (EPA) Universal Certification preferred.
 * Virginia Journeyman HVAC license preferred.
 * OSHA certification preferred.
 * Valid Virginia or Maryland drivers license required.
 * U.S. citizenship and ability to obtain security clearance preferred.
 * Travel up to 50% to job sites as needed

Offered compensation: $25/yr - $40/yr

Experience and License Requirements

 * Commercial HVAC
 * DDC, pneumatic, and variable frequency drive controls
 * EPA Universal Certification (optional)
 * Virginia Journeyman HVAC license (optional)

## Description

Join a leading provider of mission-critical facility services as an HVAC Technician III, Critical Systems, based in Ashburn, VA. In this senior-level role, you will serve as the lead technician overseeing the installation, maintenance, and operation of mechanical systems in a high-availability data center environment. This position offers the opportunity to mentor junior technicians, ensure compliance with contractual obligations, and play a key role in maintaining the reliability of essential infrastructure. If you are passionate about technical excellence and thrive in fast-paced, mission-critical settings, this is an excellent opportunity to advance your career., * Lead and perform preventive maintenance, troubleshooting, and emergency repairs on all HVAC equipment, including air and water-cooled chillers, centrifugal and screw package chillers, natural gas boilers, unit heaters, electric duct heaters, cooling towers, and various water pumps.

 * Operate, maintain, and upgrade Building Automation Software and controls, including pneumatic, DDC, and variable frequency drive systems.
 * Oversee HVAC air distribution systems, such as air handling units (AHUs), fan coil units (FCUs), fans, and related devices.
 * Monitor and ensure compliance with contractual commitments for mechanical services and maintenance.
 * Provide guidance, leadership, and technical expertise to junior technicians, supporting their development and training.
 * Participate in on-call rotations and respond to after-hours assignments as required.
 * Maintain accurate records and documentation related to maintenance activities and system performance.
 * Perform other duties as assigned by supervisor to support facility operations.
 * Demonstrate regular and reliable attendance as an essential function of the role.
 * Travel up to 50% to job sites as needed