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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-timeAlexandria, VA, USA$50 - $60 /hrIn-person

About the Job

Requirements

  • Applicant must have a high school diploma or GED and at least 8 years of experience working with HVAC systems and equipment, including chillers, DLCs, package units, and DX.
  • Applicants selected must meet eligibility requirements, including U.S. citizenship, for access to classified information and must have a minimum Top Secret clearance with the ability to obtain a polygraph.
  • Applicants selected must hold a state-issued Master's or Journeyman's License.
  • Candidates must complete an onsite skills assessment as part of the interview process.
  • The position requires the ability to lift, carry, and move objects weighing up to 50 pounds regularly, using proper lifting techniques and safety protocols.
  • The candidate must relocate a 12-foot stepladder without assistance.
  • The candidate must work at heights up to 60 feet and climb and maintain balance on scaffolds, aerial lifts, catwalks, and ladders.
  • The candidate must routinely walk, climb, lift, squat, crawl, kneel, push, pull, and reach overhead.
  • The candidate must have good vision, which may be corrected, be able to see in color, and be able to hear and communicate in English.
  • The candidate must be able to use a standard ladder without exceeding its weight limit while carrying tools.
  • The candidate must recognize when something is wrong or likely to go wrong.
  • The candidate must apply general rules to specific problems and combine information to reach conclusions, including identifying relationships among seemingly unrelated events.
  • The candidate must see details at close range and listen to and understand spoken information and ideas.
  • The candidate must identify existing or potential HVAC equipment and system issues, diagnose probable causes, and recommend or implement appropriate corrective actions.
  • The candidate must apply technical knowledge, established procedures, and troubleshooting principles to diagnose and resolve HVAC system problems.
  • The candidate must analyze system conditions, equipment performance, and available data to identify relationships, determine root causes, and develop effective solutions.

Responsibilities

  • Troubleshoot, maintain, and repair HVAC equipment, including chillers, DLC, and DX systems, and ensure their performance.
  • Periodically inspect systems and equipment, monitor equipment operations, and maintain equipment operating logs.
  • Operate and maintain site-critical systems and equipment supplying 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.
  • Use test equipment and devices pertinent to building operating systems and analyze test results.
  • Develop training procedures, preventative maintenance plans, and related documentation.
  • Provide training and evaluations for mission support preparedness.
  • Inspect and adjust mechanical equipment and systems; perform preventive and corrective maintenance and general maintenance functions while adhering to the building energy model for efficiency.
  • Record, report, and diagnose faults, deficiencies, and unusual occurrences; respond to emergencies and perform tasks necessary to protect occupants and property.
  • Perform facilities or mission-critical environment maintenance and repair activities under minimal supervision.
  • Perform other related duties as requested.

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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