The King County GIS Center is seeking an experienced GIS Specialist - Journey. The GIS Specialist - Journey will perform ongoing maintenance on complex, highly detailed transportation-related network, infrastructure, facilities, planning, and operations GIS data, including all updates and revisions to these data. Perform data development and ongoing maintenance for GIS data related to urban and regional planning, real property, natural resource planning and management, and other King County functions and services, including all updates and revisions to these data. Complete corrections to resolve all reported errors, omissions, and discrepancies in these data. Maintain the suite of custom editing tools which are used to perform these data maintenance tasks. Design and perform detailed spatial research and analysis, using appropriate and relevant GIS data and digital imagery, to meet the management, planning, and operational needs of all County agencies. Design and develop web applications, maps, tables, and other products to report research and analysis findings to decision makers and make program information available to the public. Train and mentor other staff on data maintenance procedures, protocols, and tools, and serve as team leader for staff who perform this work on an ongoing basis. Develop and nurture effective working relationships with client agency managers and program staff.