Engineer salary at Fairfax County

The average engineer salary at Fairfax County was $114,393 , which is 13 percent higher than the average salary for this job in Virginia, and 19 percent higher than the national average for this job . Engineer salaries at Fairfax County typically range from $102,358 to $126,626 (25th to 75th percentile). The highest reported engineer salary was $164,028. There are 171 employees at Fairfax County with the job title engineer.