The average operator salary at Shelton was $29,810 , which is 29 percent lower than the average salary for this job in Washington, and 39 percent lower than the national average for this job . Operator salaries at Shelton typically range from $25,573 to $33,161 (25th to 75th percentile). The highest reported operator salary was $44,936. There are 29 employees at Shelton with the job title operator.