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# Data Analyst Warehouse Management System (WMS)

- **Company:** eSolutionsFirst LLC
- **Location:** Reston, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Excel, Data Analysis, Business Logic, Data Conversion, Data Mapping, Data Migration, Rule Engine, SQL Databases
- **Published:** June 2, 2026
- **Apply:** https://www.dice.com/job-detail/63e3a5b2-6e0a-43ba-a31c-b9eea6fb6b48

## About the Role

* 7+ years in a Data Analyst or data migration role, preferably within supply chain, logistics, or distribution
 * Strong proficiency in Excel or SQL for data analysis, mapping, and reconciliation work
 * Proven experience delivering source-to-target mapping documentation in a system migration or data conversion context
 * Comfortable interpreting structured configuration data and translating it into functional business logic
 * Organized and methodical able to manage large volumes of mapping records with precision and traceability

## Description

We are looking for a Data Analyst to support the migration of client s inventory allocation control rules from the legacy ERP system into a new unified Allocation Rules Engine within the WMS. This is a detail-oriented, data-focused role working closely with the client s operations and IT teams to ensure accurate rule translation and validated migration outcomes., * Analyze legacy ERP allocation rule configurations across 14 source tables and document current-state logic, data patterns, and known anomalies

 * Build and maintain source-to-target mapping documentation, translating legacy entity-pair records into the attribute-based rule structure of the new engine
 * Identify records requiring consolidation grouping multiple legacy rows into single unified rules where business logic allows
 * Flag conflicting, contradictory, or inactive source records for stakeholder review and resolution prior to migration
 * Support migration script validation by reconciling migrated rule counts, configurations, and outputs against source data
 * Design and execute data migration test cases to verify that the new rule engine produces identical blocking behavior to the legacy system across key scenarios
 * Maintain a migration tracker covering mapping status, open data issues, decisions made, and sign-off accountability
 * Collaborate with business stakeholders to clarify rule intent where source data is ambiguous or undocumented


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