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M.C. Dean

Designs and deploys secure mission-critical infrastructure

HVAC Technician 3

Building & Property MaintenanceConfirmed live in the last 24 hours
Full-timeWashington, DC, USA$40 - $47.50 /hrIn-person

About the Job

Requirements

  • Hold a current Journeyman License from a U.S. state or territory, possess a VMET certification with equivalent experience, or have equivalent training and certifications with at least 5 years of verifiable experience in a commercial or industrial environment where a license was not required.
  • Have a high school diploma or GED and at least 6 years of experience working with complex HVAC systems and equipment, including chillers, boilers, package units, VAV systems, and direct digital, pneumatic, and automated control systems.
  • Meet eligibility requirements, including U.S. citizenship, for access to classified information; be able to obtain and maintain HSPD and Secret clearance.
  • Be able to lift, carry, and move objects weighing up to 50 pounds regularly, following proper lifting techniques and safety protocols.
  • Relocate a 12-foot stepladder without assistance.
  • Work at heights up to 60 feet and climb and maintain balance on scaffolds, aerial lifts, catwalks, and ladders.
  • Walk, climb, lift, squat, crawl, kneel, push, pull, and reach overhead on a routine and repetitive basis.
  • Have corrected or uncorrected vision, color vision, and the ability to hear and communicate in English.
  • Use a standard ladder within its weight limit while carrying tools.
  • Recognize when something is wrong or likely to go wrong.
  • Apply general rules to specific problems and combine information to form conclusions, including finding relationships among seemingly unrelated events.
  • See details at close range and listen to and understand spoken information and sentences.

Responsibilities

  • Inspect Engineering systems and equipment periodically, monitor equipment operations, and maintain equipment operating logs.
  • Mentor less experienced HVAC Technicians.
  • Operate and maintain site-critical Engineering systems and equipment that supply heat, utility and conditioned water, ventilation, air conditioning, and other environmental and critical systems, following diagrams, operating manuals, industry best practices, and manufacturers’ specifications.
  • Monitor and control building equipment and operate the facility’s building automation systems.
  • Disable and re-arm fire alarm panels when required.
  • Use test equipment and devices pertinent to building operating systems and analyze test results.
  • Operate and maintain gas-fired steam boilers.
  • Perform maintenance on Engineering systems and equipment, including chillers, IFUs, VAV systems, HVAC controls, fire and life safety systems, and sprinkler systems.
  • Inspect and adjust mechanical equipment and systems; perform preventive maintenance and general maintenance while adhering to the building energy model.
  • Record and report faults, deficiencies, and unusual occurrences; respond to emergencies and perform tasks necessary to protect occupants and property.
  • Perform facilities or mission-critical-environment maintenance activities under minimal supervision.
  • Operate and maintain critical systems, including HVAC, CRAC units, life safety and building automated systems, and utility systems.
  • Perform other related duties as requested.

Desired Qualifications

  • Completion of an HVAC technical training program at a vocational or technical school or a recognized apprenticeship program.

About the Company

M.C. Dean

Designs and deploys secure mission-critical infrastructure

M.C. Dean designs, builds, operates, and maintains integrated cyber-physical systems for mission-critical facilities, secure environments, and large enterprises. Its work spans electrical power, security, telecommunications, life safety, automation and controls, audio-visual, and IT systems, all coordinated through management platforms that support long-term operation and sustainability. The company works end-to-end: it engineers solutions, installs them, and then runs and maintains them to ensure continuous, secure, and resilient performance. What sets it apart is its ability to provide comprehensive, turnkey technology and infrastructure services for critical environments—combining physical systems with digital management to create secure, automated facilities. The goal is to deliver automated, secure, and resilient power and technology systems and the platforms needed to manage them over the long term.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Tysons, VA
Founded
1949

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