An employee in this job class is responsible for performing advanced work of considerable difficulty in coordinating and maintaining geographic-based information for the support and operation of the communications systems of the Emergency Communications Commission. Work is performed under the general direction of the Director, Emergency Communications Network, and includes responsibility for the County-wide GIS 911 mapping system and support for County 911 technical services. Work involves independent interaction with multiple County departments, local governments and entities, public safety agencies, regional organizations, and equipment and network vendors. Work is reviewed for responsiveness to user needs, efficiency of work process, accuracy of maintained information, and results obtained.