NOTE TO APPLICANTS: Individual(s) must be legally authorized to work in the United States without the need for immigration support or sponsorship from Milliman now or in the future
POSITION SUMMARY:
Milliman is undertaking a major business transformation program to replace and modernize our HRIS, Finance, Legal, and Professional Services Automation systems. As part of the Data Enablement Team, we are seeking a skilled Data Analyst to play a critical role in ensuring the integrity, quality, and seamless migration of data throughout this transformation. This role will collaborate closely with business and technical teams, supporting data mapping, migration, validation, and integration activities to enable a smooth transition to new enterprise platforms.
RESPONSIBILITIES:
- Collaborate with business stakeholders to gather and document requirements for prioritized data domains, ensuring a clear understanding of business needs.
- Profile data and analyze source systems and data structures to assess content, quality, and structure, supporting accurate mapping and migration processes of master data and data hub models.
- Develop comprehensive data mapping documents, including source-to-target specifications and transformation logic.
- Work with Master Data Management (MDM) and integration teams to validate mappings and ensure alignment with enterprise data models.
- Support workshops and working sessions to refine business rules, data definitions, and domain onboarding plans.
- Assist in identifying data quality issues and contribute to metadata and lineage documentation.
- Create and maintain data catalogs to ensure consistent documentation, easy discovery, and effective management of enterprise data assets.
- Coordinate with platform subject matter experts (SMEs) to ensure mappings are compatible with MDM, data hub, and integration platform configurations.
- Track mapping progress, dependencies, and issues across teams and tools, providing timely updates and resolving blockers.
- Collaborate with business stakeholders and project teams to understand data requirements for HR, Finance, Legal, and Professional Services functions.
- Analyze and document existing data sources, structures, and business rules within legacy systems.
- Develop data mapping specifications to ensure accurate migration to new systems.
- Support the extraction, transformation, and loading (ETL) of data, including profiling, cleansing, and validating migrated data.
- Perform data quality assessments and implement data validation processes to ensure completeness and accuracy.
- Assist in designing and testing data integrations between new enterprise platforms and other business applications.
- Create