Principal Engineer salary at Prince William County

The average principal engineer salary at Prince William County was $120,249 , which is 6 percent higher than the average salary for this job in Virginia, and 11 percent higher than the national average for this job . Principal Engineer salaries at Prince William County typically range from $115,091 to $126,648 (25th to 75th percentile). The highest reported principal engineer salary was $148,785. There are 40 employees at Prince William County with the job title principal engineer.