Critical Systems Technician III, HVAC
Company: Orion Talent
Job Ref: # 7402233
Date Posted: 4/3/2026 12:00:00 AM
City, State: Ashburn, VA
Salary: $45 - $60
Description
Go to end ⇓Must-Have Skills, Experience, and Education:
- High School Diploma or GED required.
- Successful completion of a basic air conditioning theory course.
- Minimum of 7 years of large commercial HVAC service experience required (8 years preferred).
- Experience servicing and troubleshooting:
- Air- and water-cooled reciprocating chillers
- Centrifugal and screw package chillers
- Natural gas boilers and unit heaters
- Electric duct heaters
- Cooling towers
- HVAC air distribution systems, AHUs, FCUs, fans, and related equipment
- Water pumps used in HVAC systems
- Experience with:
- Direct Digital Controls (DDC)
- Pneumatic controls
- Variable Frequency Drives (VFDs)
- Building Automation Systems (BAS)
- Ability to properly use HVAC diagnostic tools and instruments.
- Must successfully complete all required client background checks and training.
- U.S. Citizen required.
Requirements:
- EPA Universal Certification (required).
- Current/Active Virginia Journeyman HVAC License.
- OSHA Certification.
- Valid Virginia or Maryland Driver's License.
- Proficient with Microsoft Office or equivalent software.
- Ability to respond to after-hours service calls and participate in an on-call rotation.
- Ability to mentor and train lower-level technicians.
- Ability to lift and carry up to 50 pounds.
- Ability to stand and walk for extended periods while working in commercial mechanical environments.
- No supervisory responsibilities.
- U.S. citizenship with the ability to obtain a security clearance preferred.
Nice-to-Have Skills, Experience, and Education:
- Eight or more years of large commercial HVAC service experience.
- Experience supporting mission-critical data centers or similar critical facilities.
- Experience maintaining and backing up Building Automation Software.
- Previous leadership or mentoring experience in commercial HVAC environments.
- Government or secure facility experience.






















