How to apply
Applicants should contact the appropriate office having jurisdiction over the area of interest to inquire about vacant positions. Undergraduate and Graduate Education: Major study - natural resource management, natural or earth sciences, history, archeology, anthropology, park and recreation management, law enforcement/ police science, social or behavioral sciences, museum sciences, business or public administration, sociology, or other closely related subjects pertinent to the management and protection of natural and cultural resources, and deemed applicable to job performance. General Experience: is administrative, professional, technical, investigative, or other responsible work which provided a familiarity with natural or cultural history, fish, or wildlife habitat characteristics, techniques of resource protection and use, recreational use of public lands and facilities, enforcement of laws, rules, or regulations, fire prevention and suppression, or the practice of interpersonal relations skills in dealing with the general public. Experience may have been in technical, administrative, or scientific work, fish and wildlife management, recreation management, law enforcement, or other park-related work.
http://www.nps.gov/personnel/rangers.htm