Business Analyst-North Quincy, MA-onsite

Role Descriptions: Business Analyst - Cash IBS The Business Analyst will play a key role in supporting the banks payments modernization and ISO 20022 migration initiatives. The role involves gathering business requirements| analyzing payment workflows| ensuring compliance with ISO 20022 standards| and supporting integration with accounting and financial systems. The analyst will act as a bridge between business stakeholders| technology teams| and external vendors to ensure seamless implementation and operational efficiency. Key Responsibilities- Analyze and document current-state payment processes| message flows (SWIFT MT to MX)| and accounting interfaces.- Define business and functional requirements for ISO 20022 migration across domestic and cross-border payment systems (RTGS| ACH| SWIFT).- Work closely with operations| finance| and IT teams to ensure alignment between payment messages and accounting entries in the banks general ledger or sub-ledger systems.- Conduct data mapping and gap analysis between legacy MT messages and new ISO 20022 MX formats.- Support end-to-end testing (UAT| SIT) for message transformations| reconciliations| and accounting postings.- Liaise with vendors| network providers| and regulatory bodies to ensure compliance with global and regional ISO 20022 mandates.- Develop and maintain detailed process documentation| use cases| and data flow diagrams.- Provide business support during implementation| including troubleshooting message validation and accounting integration issues.