Location: Knoxville, TN
Cap-Exempt H-1B Position — No lottery required
Requisition Id 16204 **Overview:** The Integrated Operations Support Division (IOSD) at Oak Ridge National Laboratory (ORNL) seeks a Geographic Information Systems (GIS) Specialist to serve as the functional system administrator for ArcGIS Enterprise, and partners with IT staff and data owners across ORNL. The GIS Specialist is the primary point of contact for the enterprise GIS platform, fostering customer relationships by proactively identifying, implementing, and communicating continuous improvement efforts. The GIS Specialist will build awareness of existing GIS capabilities, develop, and implement new tools and workflows, and help define the vision, roadmap, standards, and governance for GIS across the Directorate. Supported functional areas include site, facility, and asset management, utilities distribution, logistics, environmental safety & health, strategic planning, construction, engineering, emergency management, and security. **Major Duties/Responsibilities:** - Serve as the functional system administrator for ArcGIS Enterprise (Portal, Server, Data Store) and associated applications and datasets. - Design, develop, and maintain web maps, web applications, web scenes, dashboards, and mobile apps using ArcGIS Experience Builder, Dashboards, Survey123, and related tools. - Administer and optimize enterprise geodatabases, including SQL views, schema design, privileges, versioning, and replica management. - Lead data interoperability efforts to integrate CAD, BIM, tabular, and other datasets into enterprise GIS; ensure correct coordinate systems and projections (including ORNL custom coordinates). - Develop and maintain Python scripts, Arcade expressions, attribute rules, and automated processes (including batch scripts and Windows Task Scheduler jobs). - Publish and manage map, feature, image, geoprocessing, and real-time (GeoEvent) services. - Implement and support offline GIS workflows, mobile field work, GPS-based data collection, and road network analys