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Maintain and validate trading partner data for intragovernmental accounting and eliminations during a OneStream implementation. Coordinate with finance, data, and technical teams to ensure standardized mappings, support UAT, investigate data issues, and document setup rules and procedures for reconciliations, reporting, and post-go-live sustainment.

Design, configure, develop, test, and support OneStream application components for federal financial management. Build business rules, workflows, integrations, reporting, and consolidation logic. Support data loads, testing (SIT/UAT), defect remediation, deployments, and post-go-live stabilization while documenting technical designs and collaborating with functional, data, testing, PMO, and client teams.

Support the lead PM for a OneStream implementation by maintaining PMO artifacts, tracking RAID items and dependencies, preparing status reports and dashboards, coordinating cross‑workstream inputs, scheduling and documenting meetings, and supporting readiness for testing, training, deployment, and certification within a formal federal governance environment.

Support OneStream implementation by defining, validating, testing, and stabilizing data flows and interfaces. Perform source-to-target validation, 3-way reconciliation, troubleshoot load failures, support SIT/UAT and cutover, maintain interface documentation, and assist post-go-live stabilization for ERP feeds, GTAS, Advana, and other integrations.

Develop and maintain Java applications for DoD systems, focusing on backend services, REST APIs, and microservices, while ensuring security and performance.