HVAC Technician 3 - TS/SCI with Polygraph

M.C. Dean; Charlottesville (VA); On-site; USD 55,000 - 66,000; Full time

Benefits offered by this job

Competitive salary

Medical, dental, vision insurance

Paid time off

401k Retirement Plan

Job summary

M.C. Dean, headquartered in Tysons, Virginia, is seeking an HVAC Technician to support mission-critical facilities with a focus on troubleshooting and maintaining HVAC equipment. The role requires ensuring reliable operations and safety across building systems.

You will inspect equipment, monitor BAS, mentor junior technicians, and perform preventive maintenance on chillers, boilers, VAV, and life-safety systems while adhering to industry best practices and manufacturer specs.

Qualifications

• High school diploma or GED plus 6+ years of experience with complex HVAC systems.
• Active TS/SCI with Polygraph eligibility statement in security requirements.
• Must hold VA/MD/DC Journeyman License or VMET certification.

Responsibilities

• Inspect and maintain HVAC equipment and monitoring systems.
• Operate and maintain site‑critical engineering systems and building automation.
• Mentor less experienced HVAC Technicians.
• Monitor BAS and life-safety systems; respond to emergencies as needed.
• Perform preventive maintenance on chillers, boilers, VAV, and related equipment.

Skills

HVAC expertise

Troubleshooting

Building automation

Equipment monitoring

Education

High school diploma or GED

Tools

Chillers

Boilers

VAV systems

Job description

Overview

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.

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;Active TS/SCI with Polygraph

License/Certification Requirement:Applicants selected must hold a current VA, MD or DC Journeyman License or VMET certification.

Responsibilities

The 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.

Qualifications

• Applicant must have a high school diploma or GED with a minimum of 6+ years of experience working with complex HVAC systems and equipment including chillers, boilers, package units, VAV systems (direct digital, pneumatic and automated control systems)
• Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information;Active TS/SCI with Polygraph
• Applicants selected must hold a current VA, MD or DC Journeyman License or VMET certification.

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.

Pay Range

USD $40.00 - USD $47.50 /Hr.