HVAC Technician TS/SCI w/Poly — Critical Facilities
Listed on 2026-10-26
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Trades / Skilled Labor
HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic -
Engineering
HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic
Overview
About M.C. Dean
M.C. Dean isBuilding Intelligence®.We design, build, operate, and maintain cyber-physical solutions for the nation’s most recognizable mission critical facilities, secure environments, complex infrastructure, and global enterprises. The company’s capabilities include electrical power systems, electronic security, telecommunications, life safety, automation and controls, audio visual, and IT systems. M.C. Dean is headquartered in Tysons, Virginia and employs more than 9,000 professionals who engineer and deploy automated, secure, and resilient power and technology systems;
and deliver the management platforms essential for long-term system sustainability.
Why Join Us?
Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values—agility, expertise, and trust—we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.
Clearance Requirement: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information;TS/SCI with Polygraph
License/Certification Requirement: State Certified Journeyman’s License or VMET Certification required.
ResponsibilitiesThe HVAC Technician is responsible for the troubleshooting, maintenance and performance of the HVAC equipment. Uses judgment within limits of standard practice. Provides solutions to a wide range of problems. Solutions are imaginative, thorough and practical. Objectives are specific.
- Make periodic inspections of all Engineering systems and equipment and monitoring equipment operations and maintain equipment operating logs.
- Mentor less experienced HVAC Technicians.
- Operate and maintain site-critical Engineering systems and equipment that supply the facility with heat, utility and conditioned water, ventilation, air conditioning and other environmental and critical systems in accordance with diagrams, operating manuals, industry best practices, and manufacturers specifications.
- Monitor and control building equipment; operate facility’s BAS (building automation systems)
- Disable and re-arm fire alarm panels when required.
- Proficiently use test equipment and devices pertinent to building operating systems and analyze test results.
- Operate and maintain gas fired steam boilers.
- Perform other related duties as requested.
- Perform maintenance on Engineering systems and equipment to include such items as, but not limited to, Chiller, IFU, VAV, HVAC Controls,and fire and life safety system sprinkler systems.
- Inspect and adjust mechanical equipment and systems; perform specific preventive maintenance service, as well as general maintenance functions while adhering to energy model for building efficiency.
- Make periodic inspections of all Engineering systems and equipment and monitoring equipment operations and maintain equipment operating logs.
- Proficiently use test equipment and devices pertinent to building operating systems and analyze test results.
- Record and report all faults, deficiencies, and other unusual occurrences.
- Respond to emergency situations and perform any and all tasks necessary for the protection of occupants and property.
- Under minimal supervision, perform Facilities or mission critical environment maintenance activities.
- Operate and maintain critical systems such as HVAC, CRAC units, life safety and building automated systems, and utility systems.
Candidate
Qualifications/Requirements:
- Applicant must have a high school diploma or GED with a minimum of 6+ years of experience working with complex HVAC…
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