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Building Automation Systems (BAS) Project Specialist (Engineer II)

Fairfax County Government
Reston, VA Full Time
POSTED ON 7/25/2026
AVAILABLE BEFORE 8/24/2026
Job Announcement

The Fairfax County Facilities Management Department seeks an Engineer II who, under general supervision of the Building Automation System (BAS) division Project Coordinator, serves as a technical expert to plan, execute, operate, maintain, and repair Building Automation Systems (BAS)/Energy Management Control Systems (EMCS) in over 100 commercial buildings across over 12 million square feet of occupiable space.

Responsibilities Includes

  • Directly responsible for performing BAS and EMCS operations, sequencing, maintenance, troubleshooting, and repairs in compliance with Virginia Uniform Statewide Building Code and all other applicable codes and ordinances, as well as county and department requirements and procedures.
  • Develops unique solutions to meet specific operational requirements while managing associated risks.
  • Takes complete responsibility and ownership of complex critical building BAS/EMCS, HVAC and electrical systems across the portfolio of Facilities Management Department buildings.
  • Serves as department expert for BAS/EMCS systems to include equipment, protocols, building codes, information technology interfacing and integration, and process control system troubleshooting and documentation of control activities.
  • Uses strong IT programming as well as mechanical and electrical problem-solving skills to ensure successful operation and maintenance of BAS/EMCS.
  • Reviews trend data and on-site performance using building load simulation software programs to ensure compliance with design.
  • Re-commissions building controls optimization systems that provide both long- and short-term goals to reduce utility usage and costs and minimize our impact on the environment.

Employment Standards

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 and driving record check to the satisfaction of the employer.

Preferred Qualifications

  • At least two years’ direct experience as the (BAS/EMCS Engineer) managing, operating, maintaining, troubleshooting, developing sequencing, repairing, and optimizing commercial building Building Automation Systems (BAS)/Energy Management Control Systems (EMCS)/Building Energy Management Systems (BEMS).
  • Certifications in Trane Tracer SC, Trane Tracer, BACnet, Siemens, Delta.
  • Strong budget and contract management skills.
  • At least two years’ experience as the lead staff member accountable for operating and maintaining Building Automation Systems (BAS)/Energy Management Control Systems (EMCS).
  • Possess a valid Master HVAC license.

Physical Requirements

Must be able to climb ladders. Must be able to communicate by telephone and computer. Must be able to discern color for review and monitoring of electronic systems. Must be willing to attend off site training programs. Must have eyesight adequate to review engineering plans. Must maintain a valid driver's license. 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 9/4/26, 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. DHREmployment@fairfaxcounty.gov EEO/AA/TTY.

Salary.com Estimation for Building Automation Systems (BAS) Project Specialist (Engineer II) in Reston, VA
$103,962 to $126,536
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