Principal Engineering Aide salary at County Of Middlesex

The average principal engineering aide salary at County Of Middlesex was $69,791 , which is 14 percent higher than the average salary for this job in New Jersey, but 45 percent lower than the national average for this job . Principal Engineering Aide salaries at County Of Middlesex typically range from $63,767 to $75,814 (25th to 75th percentile). The highest reported principal engineering aide salary was $75,865. There are 4 employees at County Of Middlesex with the job title principal engineering aide.