Experience with GIS tools valued, e.g., ESRI mapping software involving real estate and related county and environmental datasets to: Gather property information from public and private sources, Input and process that information into GIS databases, Analyze and manage that data, and. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.