Senior Data Migration Analyst | ERP & Data Quality

Grant Thornton (US); Downers Grove (IL); On-site; USD 72,000 - 95,000; Full time

Job summary

Grant Thornton in Downers Grove, IL seeks a Data Analyst, Data Migration Senior Associate with extensive data-migration experience to support ERP implementations and system modernization programs.

The role covers end-to-end migration lifecycle, ensuring data accuracy, completeness, and compliance while collaborating with business stakeholders, functional teams, and data migration consultants.

Qualifications

• Bachelor's degree as listed in the requirements.
• Five or more years experience as Data Analyst, Business Analyst, or Data Migration Analyst, incl. 3+ years on large-scale migrations.
• Strong knowledge of data mapping, transformation, reconciliation, and validation methodologies.
• Advanced SQL skills for large datasets analysis and manipulation.
• Experience with SAP S/4HANA, Oracle, Dayshape, Fieldglass, MS Dynamics or similar.
• Proficiency with Excel, Power BI, Tableau or similar reporting tools.
• Excellent analytical, problem-solving, and communication skills.

Responsibilities

• Analyze source-system data to identify completeness, accuracy, consistency, duplication, and missing values.
• Define cleansing, remediation, and enrichment activities before migration.
• Develop data-quality metrics and validation reports.
• Develop and maintain source-to-target mapping specs for master, transactional, and reference data.
• Define business rules, transformation logic, and data-conversion requirements.
• Collaborate with business SMEs to validate field definitions and update mappings.
• Support migration activities for ERP, financial, operational, and reporting systems.
• Review migration files and templates for load readiness.
• Troubleshoot data-conversion issues and load failures with technical teams.
• Participate in mock loads, test migrations, cutover planning, and production deployments.
• Validate migrated data through reconciliation, SIT, UAT, and post-production review.
• Investigate discrepancies and root causes of migration defects.
• Develop reconciliation reports and controls for business sign-off.
• Coordinate migration activities across stakeholders and data teams.
• Facilitate data-discovery workshops and requirements gathering sessions.
• Communicate migration risks and dependencies to leadership.
• Recommend improvements to data-quality controls and governance.

Skills

Data analysis

Analytical thinking

Communication

Problem solving

Education

Bachelor's degree in Information Systems, Computer Science, Data Analytics, Finance, Accounting, Business, or related field

Tools

SAP S/4HANA

Oracle

Dayshape

Fieldglass

Microsoft Dynamics

Excel

Power BI

Tableau

Job description

Grant Thornton in Downers Grove, IL seeks a Data Analyst, Data Migration Senior Associate with extensive data-migration experience to support ERP implementations and system modernization programs.

The role covers end-to-end migration lifecycle, ensuring data accuracy, completeness, and compliance while collaborating with business stakeholders, functional teams, and data migration consultants.