Data Modeler (ERwin / ER Studio)

Job Title: Data Modeler (ERwin / ER Studio) Work Arrangement: Remote Location: Sioux Falls, South Dakota Employment Type: Contract (approximately 8 months) Note: Three professional references from previous employment are required with the application. Each reference must include the organization name, reference's name, phone number, and email address.

Resumes submitted without three professional references will not be reviewed.

Position Summary

Dhaka Technologies Limited Company is hiring for the role of Data Modeler on behalf of its client, a state government agency, to support a Medicaid modernization initiative. The data modeler will design conceptual, logical, and physical data models for Medicaid data, define a data warehouse structure where none exists, and support the creation of the Medicaid data catalog and data lineage.

The role works onsite with State Medicaid staff and State IT resources to understand how data moves between systems and to document it in clear, reusable models.

Key Responsibilities

Gather requirements with State IT resources and agency staff to understand data sources, current data mapping, and existing interface structures. Mainframe data is accessed only through State IT resources. Develop and maintain conceptual, logical, and physical data models for Medicaid data using ERwin or ER/Studio. Design a Medicaid data warehouse structure where none exists, with attention to scalability, performance, and data quality.

Support the creation of the Medicaid data catalog and data lineage by providing entity definitions, attributes, relationships, and metadata. Work alongside State Medicaid staff to map system to system interactions and the movement of data between Medicaid systems and processes, including reporting to internal and external partners.

Recommend improvements to database design, data management, and data sharing, and identify data inconsistencies and integration challenges. Identify risks related to current data management and data storage, organization, and security. Contribute to the monthly status report on work completed and timelines. Perform other related duties as assigned.

Requirements

Required Qualifications Hands-on experience with data modeling tools such as ERwin or ER/Studio. Experience with, and examples of, conceptual, logical, and physical data modeling, data catalogs, and data lineage. Proficiency with relational SQL and NoSQL database technologies. Deep understanding of enterprise database management and design best practices.

Minimum senior level healthcare services knowledge, expert level preferred. Medicaid or MMIS experience is strongly preferred. Knowledge of data governance frameworks and best practices. Understanding of business intelligence concepts. Preferred: working knowledge of Microsoft Purview. Strong analytical, written, and verbal communication skills.

Ability to work onsite in Sioux Falls, South Dakota for the duration of the engagement. How to Apply Send an updated resume and three professional references (name, title, organization, phone number, and email address) to talent@dhakatech.us. Please include the job title in the subject line and confirm your availability for a start on or about November 9, 2026 and for onsite work in Sioux Falls, South Dakota.