Overview
Disclaimer:
This requisition is part of a Pre-Awardrequirement intended to identify and engage qualified candidates for a position that may be awardedto M.C. Dean. We will conduct interviews and may issue contingent offers of employment based on qualifications and suitability. Please note that formal offers will only be extended once the contract is officially awarded, at which time final candidates will be reviewed and selected. 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.
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; ability to obtain & maintain an HSPD-12 Clearance requirement.
Responsibilities
TheHVAC Mechanic is responsible for routine and non-routineoperations, maintenance, and repairs ofHVACandbuilding's systems and equipment in a large commercialcomplexwith laboratories. Theywill report to theServiceManager (SM)or Lead witha potentialfor back shift rotation or duty hoursand on-call status. Theymay also receive direction from the Laboratory Ventilation Manager.
- 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 modelingfor building efficiency
- Make periodic inspections of all Engineering systems and equipment and monitoring equipment operations, andmaintainequipment 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 performany and alltasks necessary for the protection of occupants and property
- Under minimal supervision, perform Data Center or mission critical environment maintenance activities
- Operate andmaintaincritical systems such as HVAC, CRAC units, life safety and building automated systems, and utility systems.
- Knowledgeable on the use and operation of BAS systems for the control of equipment,monitoringfacility conditions, andcapture/trending of data for analysis and to support energy modeling.
- Knowledge anduse of Electrical Safety Precautions and Arc Flash requirements.
- This is not intended to be an all-inclusive list of job duties and responsibilities. Other duties, responsibilities, and activities may change or be assigned at any time with or without notice.
Qualifications
Applicant must have a high school diploma or GED with a minimum of 8+ years of experience working with complex HVAC systems and equipment including chillers, boilers, package units, VAV systems (direct digital, pneumatic and automated control systems) Minimum of five (5) years of experience working with large HVAC systems in commercial facilities. Preferablypossessesa State of North Carolina HVAC Heating Group 2 or Group 3 Class 1 license. Factory training and certification on BAS platforms are considered a plus.
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; ability to obtain & maintain an HSPD-12 Clearance requirement. 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
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M.C. Dean
Jun 03, 2026