The average operator salary at Colfax was $21,532 , which is 49 percent lower than the average salary for this job in Washington, and 56 percent lower than the national average for this job . Operator salaries at Colfax typically range from $16,474 to $27,104 (25th to 75th percentile). The highest reported operator salary was $27,395. There are 7 employees at Colfax with the job title operator.