The average operator salary at Rainier was $16,364 , which is 61 percent lower than the average salary for this job in Washington, and 67 percent lower than the national average for this job . Operator salaries at Rainier typically range from $13,997 to $18,551 (25th to 75th percentile). The highest reported operator salary was $19,850. There are 6 employees at Rainier with the job title operator.