Education: A PhD or equivalent doctoral degree or 3 full years of progressively higher level graduate education in a field of study in natural resource management, natural sciences, earth sciences, history, archeology, anthropology, park and recreation management, law enforcement, police science, social sciences, museum sciences, business administration, public administration, behavioral sciences, sociology, or other closely related subjects pertinent to the management and protection of natural and cultural resources, or course work in other appropriate fields that clearly provided a background of knowledge and skills necessary for successful job performance in the position. To qualify for this position at the GS-11 grade level, you must possess at least one full year of Specialized Experience or Education by close of the announcement: EXPERIENCE: One year of specialized experience, at least equivalent to the GS-9 level in the Federal Service, with experience that demonstrates the ability to research, develop and present a wide variety of interpretive programs, the ability to provide leadership, guidance and direction to paid and volunteer staff, the ability to research, write, design and develop interpretive media, skill in planning, implementation and follow through of special events, projects or programs, and knowledge of the natural or cultural history.