Administrative Support Specialist salary at United States Postal Service

The average administrative support specialist salary at United States Postal Service was $109,008 , which is 65 percent higher than the average salary for this job in Federal, and 130 percent higher than the national average for this job . Administrative Support Specialist salaries at United States Postal Service typically range from $87,275 to $130,740 (25th to 75th percentile). The highest reported administrative support specialist salary was $130,740. There are 2 employees at United States Postal Service with the job title administrative support specialist.