Average Base Salary
Average Hourly Rate
The average petroleum refineries process engineer salary in Colorado, United States is $87,947 or an equivalent hourly rate of $42. This is 1% higher (+$1,136) than the average petroleum refineries process engineer salary in the United States. In addition, they earn an average bonus of $2,832. Salary estimates based on salary survey data collected directly from employers and anonymous employees in Colorado, United States.