Bachelor’s degree in engineering, Engineering Technology, Construction Management, Business, or related field and 6 years related experience; OR, Associate's degree in degree in Engineering, Engineering Technology, Construction Management, Business, or related field and 8 years related experience; OR, High school diploma or GED equivalent and 10 years related experience. Bachelor’s degree in engineering, Engineering Technology, Construction Management, Business, or related field and 8 years related experience; OR associate’s degree in degree in Engineering, Engineering Technology, Construction Management, Business, or related field and 10 years related experience; OR High school diploma or GED equivalent and 12 years related experience.