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M.C. Dean

Designs and deploys secure mission-critical infrastructure

HVAC Technician 4

HVAC & Building SystemsConfirmed live in the last 24 hours
Full-timePyeongtaek-si, Gyeonggi-do, South KoreaNo salary listedIn-person

About the Job

Requirements

  • A high school diploma or GED and at least 8 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 for access to classified information, including U.S. citizenship, and be able to obtain and maintain a Top Secret/SCI clearance.
  • Be able to lift, carry, and move objects weighing up to 50 pounds regularly and perform material-handling tasks safely.
  • Be able to relocate a 12-foot stepladder without assistance.
  • Be able to work at heights up to 60 feet and climb and balance on scaffolds, aerial lifts, catwalks, and ladders.
  • Be able to walk, climb, lift, squat, crawl, kneel, push, pull, and reach overhead routinely and repetitively.
  • Possess good vision, including color vision, and be able to hear and communicate in English.
  • Be able to use a standard ladder while carrying tools without exceeding its weight limit.
  • Recognize when something is wrong or likely to go wrong.
  • Apply general rules to specific problems and combine information to form conclusions.

Responsibilities

  • Perform maintenance on mechanical systems and equipment, including chillers, IFUs, VAV systems, HVAC controls, and fire systems.
  • Inspect and adjust mechanical equipment and systems; perform preventive and general maintenance while adhering to the building energy model for efficiency.
  • Periodically inspect mechanical systems and equipment, monitor operations, and maintain equipment operating logs.
  • Use test equipment and devices relevant to building operating systems and analyze test results.
  • Record and report faults, deficiencies, and unusual occurrences; respond to emergencies and perform tasks necessary to protect occupants and property.
  • Perform data center or mission-critical environment maintenance activities under minimal supervision.
  • Operate and maintain critical systems, including HVAC and CRAC units.
  • 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.
  • A journeyman license.

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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