How much does an Asst. Professor - Chemical Engineering make in New Mexico? The average Asst. Professor - Chemical Engineering salary in New Mexico is $82,127 as of November 25, 2019, but the range typically falls between $71,127 and $91,915. Salary ranges can vary widely depending on the city and many other important factors, including education, certifications, additional skills, the number of years you have spent in your profession.