However, at least 4 years of experience applying the outlined knowledge, skills, and abilities gained in natural resources, physical/biological/geological/environmental sciences, project management, public affairs, public administration, civil engineering or construction management or similar setting/field may be considered. About the Department of Natural Resources (DNR): The Indiana Department of Natural Resources protects, enhances, preserves, and wisely uses natural, cultural, and recreational resources for the benefit of Indianas citizens through professional leadership, management, and education.