Bachelor's degree from an accredited college or university with a major in civil or sanitary engineering, management, biological science, hydrology, chemistry, environmental technology, environmental science, environmental engineering, or closely related field as defined by the appointing authority at time of recruitment AND four years of experience in management, administration, construction, installation or operation and maintenance of sewer collection, or treatment systems, or other wastewater facilities, plus one year of supervisory experience (which may be concurrent with general experience). Action Activity - bending, climbing, crawling, kneeling, reaching, squatting, stooping; Motion Activity - grasping and fine movement; Hearing Activity - in noisy areas, on a radio, behind themselves, equipment alarms; Speaking Activity - in person, on a phone, on a radio; Vision Activity - operate motor vehicle; operate machinery, distinguish color, depth perception and peripheral vision.