D. or equivalent doctoral degree in Engineering or a related field of engineering as outlined in paragraph 3.b.(1); OR Master of Engineering degree, Master of Architecture degree, Master of Science degree in Engineering or a related field of study as outlined in paragraph 3.b.(1), plus 1 full year of progressively higher- level graduate education in a related field of study, provided the applicant's total background demonstrates the knowledge, skills and abilities for GS-11 level assignment; OR Bachelor's degree as outlined in paragraph 3.b.(1) plus 3 full years of progressively higher-level graduate education in a related field of study, provided the applicant's total background demonstrates the knowledge, skills and abilities for GS-11 level assignment. Environmental Factors include outside and inside, excessive heat, excessive cold, excessive humidity, excessive dampness or chilling, excessive noise, intermitted, dust, silica, asbestos etc., fumes, smoke, or gases, solvents (degreasing agents), degreasing and oils, radiant energy, electric energy, slippery or uneven walking surface, working around machinery with moving parts, working around moving objects or vehicles, working on ladders or scaffolding, working below ground, vibration, working closely with others and working alone Note: Only education or degrees recognized by the U.S. Department of Education from accredited colleges, universities, schools, or institutions may be used to qualify for Federal employment.