Location: Chicago, ILJob Description:Works closely with business analysts and subject matter experts to understand data analysis requirements, data definitions, develop data mappings, data rules, and data transformations for reporting related to a particular data warehouse and/or analytic subject area.Finalizes the conceptual data models developed by the BI Lead, most often a dimensional model with facts and dimensions. Documents and communicates model design to project team.Leads development of logical data models.  Documents, communicates, and maintains model design for the project team.Leads design and implementation of physical databases including index definitions, partitioning, parallelism, tuning, and space management. Util