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Ross Technologies (RTGX) is searching for an Enterprise Data Modeler in Columbia, MD. The post states, “This position provides Data Modeling support to the Enterprise Logical Data Model (ELDM) and specific customer mission requirements, as necessary. Specific duties include: Perform semantic data modeling for the ELDM, domain logical data models, and physical data model formats.  Skills needed include Semantics, Ontology, Epistemology, Resource Description Framework (RDF) Schema (RDFS), OWL based technologies, Hadoop, SPRQL, XML, XSD, and Data Warehouse, and Oracle, SQL, and relational theory. Develop and maintain domain logical data model artifacts: Logical Data Models (LDM), Data Element Dictionaries (DED), Physical Data Models (PDM), Interface Control Documents (ICD), data format specifications, model release documentation, user guides, data harmonization and mappings.” Read more