Geographic information systems (GIS) is software that you use to collect, manage, analyze, and visualize data. With a GIS certificate, you can find employment as a GIS technician, an analyst, a project manager, or a GIS programmer or developer. The duties of a GIS technician include handling data set collection and mapping responsibilities using existing software and applications. As a GIS developer, you program the software and applications, while GIS analysts create maps and spatial data, perform research, make forecasts using computer modeling, and create reports on their findings. You can do this work in a variety of fields, including conservation and construction.