HVAC and Plumbing Quality Control Engineer (Engineer II)

Under the direction of the Facilities Supervisor and/or Facilities Manager, performs quality control and assurance of contractor work for the repair, maintenance, and replacement of complex commercial building HVAC and plumbing equipment for a portfolio of over 250 critical commercial buildings comprising of over 12 million gross sq feet of rentable space. Buildings include but are not limited to single story, multi-story and high-rise buildings. The incumbent will provide strong knowledge of commercial building complete mechanical equipment and systems.

Other duties include:• Ensures all contractor work as well as operations are compliant with the Virginia Uniform Statewide Building Code and state and federal regulation such as Department of Environmental Quality (DEQ), OSHA, and Environmental Protection Agency (EPA).

• This role requires good physical ability, as the engineer will spend 75% of their day in the field conducting inspections and driving to sites.
• Employees may perform other related duties to meet the ongoing business needs of the organization.

Note: This position is designated as an Essential Employee.MINIMUM QUALIFICATIONS: Any combination of education, experience, and training equivalent to the following: (Click on the aforementioned link to learn how Fairfax County interprets equivalencies for "Any combination, experience, and training equivalent to")

Graduation from a four-year college or university accredited by the Accreditation Board of Engineering and Technologies with a bachelor's degree in the appropriate engineering or architectural field; plus, one year of professional experience in the appropriate engineering field.

CERTIFICATES AND LICENSES REQUIRED: Valid driver’s license

NECESSARY SPECIAL REQUIREMENTS: The appointee to this position will be required to complete a criminal background check, driving record check, and pre-employment medical evaluation to the satisfaction of the employer.

PREFERRED QUALIFICATIONS:• Current and valid Master HVAC License

• At least 7 years’ of experience as the lead and accountable person for the maintenance, repair, and operation of complex commercial HVAC equipment in high-rise, mid-rise, and low-rise buildings with a portfolio of over 3 million square feet to include two years of supervisory experience.
• Fundamental knowledge of Trane, Siemens, Automated Logic, and Delta Building Automation Controls with 3 years operator experience.
• At least 3 years’ of experience supporting and overseeing commercial Facilities Maintenance HVAC contractors and contracts.
• Experience working with commercial building Building Automation Systems in the maintenance, repair, and operation of large commercial building HVAC systems.
• Experience as the primary and lead HVAC technical expert and quality control inspector responsible for the day-to-day oversight, troubleshooting, and management for the operation, repair and replacement of complex HVAC systems AND components for a large portfolio (over 5 million square feet of occupiable space) of varied commercial building types and uses.
• Experience with the management and oversight of the operations/maintenance of a large physical plant commercial building LEED certified HVAC system energy efficiency.
• Experience reviewing AND managing a commercial building HVAC system maintenance, repair, and operations program with over $2M in annual expenses as the lead, primary and accountable decision maker, and mechanical technical expert.
• Demonstrated strong familiarity with operations and maintenance of mechanical, electrical, plumbing and HVAC systems supporting commercial buildings.
• Good verbal and written communication skills.
• Ability to read and understand HVAC and associated subsystems design documents to include blueprints, building plans, specifications, and warranties.

PHYSICAL REQUIREMENTS: Ability to hear normal building equipment and alarms and verbal warnings in occupied buildings and building sub-system work areas. Good dexterity for hands on work. Must be able to bend, stoop, crouch, crawl, balance, and work in tiring and uncomfortable positions. Must have mobility for standing, sitting, walking, bending, stooping, reaching, twisting, kneeling, reaching overhead, grasping, moving equipment, pushing, pulling for extended periods of time while performing work. Must be able to climb up 12 ft step ladders and extension ladders, fixed wall and roof mount ladders, and cage ladders up to 35 ft as well as climb stairs up to 12 stories. Must be able to wear and physically complete necessary tasks while wearing OSHA approved and required Personal Protective Equipment (PPE) to include but not limited to safety shoes, safety gloves, hardhat, safety clothing, ear protection, respirator, etc. Specific vision abilities include close vision, distance vision, color vision and depth perception. All duties performed with or without reasonable accommodations.

SELECTION PROCEDURE: Panel interview and may include exercise.

Note: This job announcement is listed with a closing date of 12/18/26 and interested applicants are advised to submit their applications as soon as possible. Interviews will be conducted on a regular basis throughout the recruitment with candidates whose qualifications best fit our needs. If your application is received later in the recruitment process, it may not be reviewed or considered. The application process may close prior to the currently advertised closing date when the position has been filled.

Fairfax County is home to a highly diverse population, with a significant number of residents speaking languages other than English at home (including Spanish, Asian/Pacific Islander, Indo-European, and many others.) We encourage candidates who are bilingual in English and another language to apply for this opportunity.

Fairfax County Government prohibits discrimination on the basis of race, color, religion, national origin, sex, pregnancy, childbirth or related medical conditions, age, marital status, disability, sexual orientation, gender identity, genetics, political affiliation, or military status in the recruitment, selection, and hiring of its workforce.

Reasonable accommodations are available to persons with disabilities during application and/or interview processes per the Americans with Disabilities Act. TTY 703-222-7314. [email protected] EEO/AA/TTY.

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