HVAC Technician 1 - DMV

M.C. Dean, Inc.

McLean (VA)

On-site

USD 34,000 - 48,000

Full time

32 hours ago

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Job summary

M.C. Dean, Inc. is seeking an HVAC service technician to maintain and install critical mechanical systems for government and commercial facilities.

You will work with chillers, boilers, AHUs, VAVs, and cooling towers, with on‑call rotations, night/weekend shifts, and potential travel. The role requires a high school diploma or GED, HVAC training, and CFC/EPA certification, with Top Secret clearance eligibility.

Qualifications

High school diploma or GED with 3+ years of commercial HVAC experience.
Experience with chillers, boilers, AHUs, VAVs and related controls.
Completion of HVAC training or apprenticeship preferred.
Current CFC/EPA Universal Certification (within 1 year).
Ability to obtain and maintain Top Secret clearance.

Responsibilities

Provide full-service maintenance and installation for mechanical systems.
Perform preventive and corrective maintenance on HVAC equipment.
Work on air cooled chillers, boilers, AHUs, VAVs, and related systems.
Complete maintenance reports and service tickets.
Travel and work nights/weekends/on-call rotation as required.

Skills

Strong communication skills

Willingness to work nights/weekends on

Independent and safe worker

Ability to travel occasionally

Education

High school diploma or GED

Associate degree (1+ year experience)

HVAC training program or apprenticeship

Current CFC/EPA Universal Certification

Master HVAC License (preferred)

Tools

Liebert HVAC systems

HVAC test equipment

Microsoft Office

Job description

About M.C. Dean

M.C. Dean is Building Intelligence@. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.

Overview

About M.C. Dean

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 may meet eligibility requirements, including U.S. Citizenship, for access to classified information; Ability to obtain and maintain a Top Secret clearance.

License/Certification Requirement

Current CFC/EPA Universal Certification (within 1 year if not currently held).

Responsibilities

Our team provides a full-service solution for mechanical equipment and systems maintenance and installation. Our mission‑critical services will meet our customer’s needs whether they are using a full-service, monthly, or quarterly based service contract. Our customers consist of mostly government-based facilities but also include privately‑owned and commercially operated businesses.

Preventive And Corrective Maintenance

Air Cooled Chillers
Air Handling Units
Boilers
Cooling Towers
Data Center Cooling
Exhaust and Filtration
Heat Exchangers
Heat Pumps
Humidification
Piping repairs
Pumps
Rooftop Units
Variable Air Volume Systems
Variable Frequency Drives (VFD)
Walk‑in Coolers and Freezers

Projects

AC Unit installs
Air‑cooled chiller installation
Boiler overhauls and replacements
Commercial water heater installation
Pump rebuilds and installation – water cooled and direct expansion.

Qualifications

High school diploma or GED and 3+ years of commercial HVAC experience; or 1+ year of experience with an associate degree.
Commercial HVAC experience as a truck‑based service technician.
Experience working with complex HVAC systems including chillers, boilers, package units, AHUs, and VAV systems (direct digital, pneumatic, and automated controls).
Completion of an HVAC technical training program or recognized apprenticeship (preferred).
Current CFC/EPA Universal Certification (within 1 year if not currently held).
Holistic understanding of mechanical equipment and HVAC design in commercial and industrial environments.
HVAC OEM factory training or experience with Trane, Liebert, Stulz, and other major brands.
Ability to obtain and maintain a Top Secret clearance (applicants will undergo a government background investigation).
Requires a Valid driver’s license. This position may require ongoing or intermittent use of a company vehicle.
Strong understanding of HVAC tools, machines, and their proper maintenance.
Proficiency in using hand tools and test equipment to perform diagnostic and repair work.
Ability to complete timely documentation including maintenance reports, service tickets, and daily safety briefings.
Excellent written and verbal communication skills in English.
Willingness to work nights, weekends, and participate in a 24/7 on‑call rotation.
Ability to travel occasionally outside normal working areas; may require limited overnight travel.
Basic computer skills including Microsoft Office applications.
Ability to work independently, resourcefully, and safely.

Preferred Experience

Advanced troubleshooting skills down to the component level on boilers, chillers, AHUs, VAVs, heat pumps, and CRAC units.
Ability to read and interpret mechanical drawings, schematics, and system plans.
Current Master HVAC License or equivalent technical degree.
Experience with Liebert HVAC systems.
Strong customer‑relation skills with ability to provide proactive recommendations to clients.

We Offer An Excellent Benefits Package Including

A competitive salary
Medical, dental, vision, life, and disability insurance
Paid time off
Tuition reimbursement
401k Retirement Plan
Military Reserve pay offset
Paid maternity leave

Abilities

The position requires the ability to lift, carry, and move objects weighing up to [50 pounds] on a regular basis. Candidates must demonstrate physical strength and stamina to perform various tasks, including but not limited to, loading, and unloading, operating equipment, and assisting in the transportation of various materials. Proper lifting techniques and safety protocols must be followed to ensure personal and team safety.
Relocates a 12‑foot stepladder without assistance.
Works at various heights up to 60 feet and can climb and maintain balance on scaffolds, aerial lifts, catwalks and all types of ladders.
Walks, climbs, lifts, squats, crawls, kneels, pushes, pulls and reaches overhead on a routine and repetitive basis.
Possess good vision (may be corrected vision), the ability to see in color, and the ability to hear and communicate in English.
May use a standard ladder without exceeding the weight limit while carrying tools.
Tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem.
Apply general rules to specific problems to produce answers that make sense.
Combine pieces of information to form general rules or conclusions (including finding a relationship among seemingly unrelated events).
See details at close range (within a few feet of the observer).
Listen to and understand information and ideas presented through spoken words and sentences.