HVAC Technician 3

Air Comfort, Inc; Herndon (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

Air Comfort, Inc in Herndon, VA seeks an HVAC Technician 3 to lead mission-critical mechanical services for data center operations, mentoring junior technicians and handling advanced HVAC equipment. You will perform preventive maintenance, troubleshoot, and coordinate with building automation systems; travel up to 50% to job sites; on-call rotations.

Requires a high school diploma, 7+ years large commercial HVAC experience; EPA certification preferred; VA journeyman license preferred; able to

Qualifications

• High School Diploma or GED required.
• EPA Universal Certification preferred.
• VA Journeyman HVAC license preferred.
• OSHA Certification preferred.

Responsibilities

• Lead technician for all mission-critical mechanical services under contract.
• Perform preventive maintenance, troubleshooting, and emergency repairs on HVAC equipment (air/water-cooled chillers, boilers, pumps, AHUs, FCUs).
• Work with DDC, pneumatic, and VFD controls and building automation software.
• Provide guidance and training to junior technicians.
• Travel up to 50% to job sites as required.

Skills

HVAC diagnostics

DDC controls

Mentoring

Travel readiness

Education

High School Diploma or GED

EPA Universal Certification preferred

VA Journeyman HVAC license preferred

OSHA Certification preferred

Tools

Microsoft Office

Job description

Join a leading provider of mission-critical facility services as an HVAC Technician 3 in Herndon, VA. As the lead technician, you will play a key role in ensuring the reliability and performance of mechanical systems supporting data center operations. This position offers the opportunity to work with advanced HVAC equipment, mentor junior technicians, and contribute to the success of high-profile projects. If you are an experienced HVAC professional seeking a dynamic environment with opportunities for growth and leadership, this is the role for you.

Responsibilities

• Serve as the lead technician for all mission-critical mechanical services and maintenance under contract.
• Perform preventive maintenance, troubleshooting, and emergency 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.
• Work with pneumatic, DDC, and variable frequency drive controls, as well as HVAC air distribution systems such as AHUs, FCUs, and fans.
• Maintain, upgrade, and back up Building Automation Software as required.
• Monitor compliance with contractual commitments and ensure high standards of service delivery.
• Provide guidance, leadership, and training to junior technicians, supporting their technical development.
• Participate in on-call rotations and respond to after-hours assignments as needed.
• Travel up to 50% to job sites as required.
• Perform other duties as assigned by supervisor.
• Maintain regular and reliable attendance.

Qualifications

• High School Diploma or GED required.
• Successful 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.
• Ability to supervise and mentor technicians of lower grade levels.
• Ability to travel up to 50% to job sites.
• Ability to satisfactorily complete any required client background checks or training.
• Environmental Protection Agency (EPA) Universal Certification preferred.
• VA Journeyman HVAC license preferred.
• OSHA Certification preferred.
• Clear and valid Virginia or Maryland driver’s license required.
• U.S. citizenship and ability to obtain security clearance preferred.