Big data is a dynamic field that finds businesses and organizations capturing massive amounts of information at an alarming speed, all of which will be analyzed and used to help make important decisions. A data engineer creates the massive reservoirs needed to collect big data. These IT professionals develop, construct, test, and maintain architectures, such as databases and large-scale data processing systems, which house big data. In this title, the emerging career field of a data engineer is explored. With the right mix of education and experience, data engineers can find themselves in high demand.