Security Engineer salary at Illinois State Toll Highway Authority

The average security engineer salary at Illinois State Toll Highway Authority was $136,180 , which is 16 percent higher than the average salary for this job in Illinois, and 66 percent higher than the national average for this job . Security Engineer salaries at Illinois State Toll Highway Authority typically range from $135,572 to $136,787 (25th to 75th percentile). The highest reported security engineer salary was $136,787. There are 2 employees at Illinois State Toll Highway Authority with the job title security engineer.