Freelance Building Automation Programmer Jobs in Virginia

Salary : $70,149.87 - $122,762.22 Annually
Location : FX. CTY. GOVERNMENT CENTER, 12000 GOVERNMENT CENTER PKWY., FAIRFAX (EJ32), VA
Job Type: FT Salary W BN
Job Number: 26-01107
Department: Facilities Management
Opening Date: 07/25/2026
Closing Date: 9/4/2026 11:59 PM Eastern
Pay Grade: S24
Posting Type: Open to General Public
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:
(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 homeWe 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. EEO/AA/TTY.
Merit Positions
Fairfax County is proud to offer employees an attractive and comprehensive benefits program, including the following:

• Medical/Vision/Dental Insurance Coverage
• Group Term Life Insurance
• Long Term Disability
• LiveWell Program
• Flexible Spending Programs
• Paid Leave (annual, sick, parental, volunteer activity, and more!)
• Paid Holidays
• Deferred Compensation
• Employee Assistance Program
• Employees' Child Care Center
• Continuous Learning Opportunities

Please click for a summary of our benefits.
NOTE: Fairfax County Government is a qualifying employer under the Public Service Loan Forgiveness program. For more information about the PSLF program:
For additional details please visit the
Non-Merit Positions

1. Non-Merit Benefit Eligible: scheduled to work a minimum 1,040 hours and no more than a maximum of 1,560 hours in a calendar year.
   • Medical/Vision/Dental Insurance Coverage
   • Flexible Spending Program
   • Deferred Compensation
2. Temporary: scheduled to work a maximum of 900 hours in a calendar year.
   • No benefits

01
What is the highest level of education that you have completed?

• Less than 12th grade
• High school diploma or GED
• Some college
• Associate's degree
• Bachelor's degree
• Master's degree
• Doctorate degree

02
If you answered "Some college" for the highest level of education completed, please indicate the number of quarter or semester hours you have completed towards a degree.

• Less than 45 quarter hours
• 45 to less than 90 quarter hours
• 90 to less than 135 quarter hours
• 135 to less than 180 quarter hours
• 180 or more quarter hours
• Less than 30 semester hours
• 30 to less than 60 semester hours
• 60 to less than 90 semester hours
• 90 to less than 120 semester hours
• 120 or more semester hours
• Not applicable

03
Please indicate all major(s) or minor(s) for your completed degree(s). Check all that apply.

• Mechanical engineering
• Information technology
• Building automation engineering
• Electrical engineering
• Industrial engineering
• Other (related field)
• Other (non-related field)
• Not Applicable

04
If you answered "Other (related field)" or "Other (non-related field)" for the previous question, please list all of your majors and minors. If this question does not pertain to you, or you do not have a degree, enter "Not applicable".
05
Did you graduate from a college or university accredited by the Accreditation Board of Engineering and Technologies?

• Yes
• No

06
Do you currently possess a valid driver's license?

• Yes
• No

07
Do you possess a current Master HVAC License?

• Yes
• No

08
Please indicate which of the following systems you possess certification(s) in. Check all that apply.

• Trane Tracer SC
• Trane Tracer
• BACnet
• Siemens
• Delta
• Other building automation system certification
• None of the above

09
If you answered "Other building automation system certification", please list the certification below. If this does not apply to you answer "N/A"
10
How many years of full-time equivalent professional experience do you have in the appropriate engineering field?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five or more years

11
How many years of full-time equivalent experience do you have troubleshooting programming/configurations of commercial critical Automation Systems (BAS)/Energy Management Control Systems (EMCS)?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five or more years

12
How many years of full-time equivalent experience do you have repairing and optimizing commercial building Building Automation Systems (BAS)/Energy Management Control Systems (EMCS)/Building Energy Management Systems (BEMS)?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five or more years

13
How many years of full-time equivalent experience do you have developing sequencing for commercial Building Automation Systems (BAS)/Energy Management Control Systems (EMCS)?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five or more years

14
How many years of full-time equivalent experience do you have as the lead staff member accountable for operating and maintaining Building Automation Systems (BAS)/Energy Management Control Systems (EMCS)?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five or more years

15
This position is considered essential personnel for purposes of continuity of operations. Essential personnel will be required to report to work during times designated countywide as approved for unscheduled leave regardless of the emergency (i.e., weather, transportation, other disaster). Are you willing and able to report to work during these situations?

• Yes
• No

16
Are you willing and able to perform the physical requirements with or without reasonable accommodations?

• Yes
• No

Required Question