Demo

HVAC TECHNICIAN III

Reliant Critical Infrastructure
Reston, VA Full Time
POSTED ON 8/29/2026
AVAILABLE BEFORE 9/27/2026

Join a team dedicated to maintaining mission-critical environments as an HVAC Technician III. In this lead technician role, you will oversee the installation, maintenance, and operation of advanced mechanical systems in a data center setting. This position offers the opportunity to provide guidance and mentorship to junior technicians while ensuring the reliability and efficiency of essential HVAC equipment. If you are looking to advance your career in a dynamic, technology-driven environment, this is an excellent opportunity to make a significant impact.

Responsibilities
  • Lead and perform preventive maintenance, troubleshooting, and repairs on a wide range of 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 and maintain HVAC air distribution systems, including air handling units (AHUs), fan coil units (FCUs), fans, and related devices.
  • Work with pneumatic, direct digital controls (DDC), and variable frequency drive (VFD) systems.
  • Maintain, upgrade, and back up Building Automation Software as required.
  • Monitor compliance with contractual commitments and ensure all work meets quality and safety standards.
  • Supervise, mentor, and provide technical guidance to junior technicians, supporting their professional development.
  • Participate in on-call rotations and respond to emergency service requests as needed.
  • Perform additional duties as assigned by the supervisor.
  • Maintain regular and reliable attendance.
Qualifications
  • High school diploma or GED required.
  • Completion of a basic air conditioning theory class.
  • Minimum of 7 years of large commercial HVAC service experience required; 8 years preferred.
  • Proficient 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.
  • Environmental Protection Agency (EPA) Universal Certification preferred.
  • Virginia Journeyman HVAC license preferred.
  • OSHA Certification preferred.
  • Valid Virginia or Maryland driver’s license required.
  • U.S. citizenship and ability to obtain security clearance preferred.

Salary.com Estimation for HVAC TECHNICIAN III in Reston, VA
$77,813 to $98,279
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