- National Park Service (Williamsport, MD)
- Summary This GIS Specialist Interdisciplinary position is located at Potomac Heritage National Scenic Trail in Williamsport, Maryland. Responsibilities These ... are not limited to: Design, develop, support, and utilize GIS data and workflows. Collect spatial data and create...courses at a US accredited college or university. Additional Information A selectee receiving a first appointment to theā¦ more