Sr Mainframe Integration Specialist

Roles and Responsibilities * Acts as the primary point of contact for all matters related to Client’s legacy systems during the TSB integration. * Coordinates cross-functional teams to map, analyze, and migrate legacy functionalities to the new environment. * Identifies critical dependencies, risks, and migration challenges specific to legacy platforms. * Ensures compliance with regulatory and security requirements during data and process migration. * Legacy Systems Functional Analyst * Documents and catalogs all legacy system functionalities relevant for TSB integration. * Translates legacy business logic into integration requirements for IT and business stakeholders. * Performs gap analysis to identify any missing or incompatible features between Client and TSB systems. * Provides subject matter expertise for troubleshooting and validating migrated functionalities. * Leads the extraction, transformation, and loading (ETL) of data from Client’s legacy systems into TSB’s target platforms. * Defines and implements data quality standards and validation checks during migration. * Works closely with business and technical teams to resolve data mapping and reconciliation issues. * Creates and maintains comprehensive migration documentation and data lineage records. * Legacy Systems Risk & Compliance Advisor * Assesses compliance and regulatory risks associated with legacy systems during integration. * Ensures that all migrated functionalities and data comply with local and international banking regulations. * Advises on the decommissioning of legacy components in a controlled and auditable manner. * Legacy Systems Training & Support Coordinator * Develops training materials for TSB users on legacy functionalities being retained or transformed. * Coordinates knowledge transfer between Client legacy experts and TSB integration teams. * Provides ongoing support post-integration to address issues related to legacy capabilities. Role expectation as part of TSB Integration Initiative * Early Engagement of Legacy Experts: * Involve Client legacy system experts at the earliest stages of the integration to ensure accurate requirements gathering and risk identification. * Request full documentation of legacy system processes, data schemas, and business rules to support mapping and migration activities. * Secure dedicated resources with deep legacy system expertise to lead and execute migration tasks, minimizing business disruption. * Robust Testing and Validation: * Establish rigorous testing protocols to verify that migrated functionalities operate as intended, with legacy experts validating critical business processes. * Set up structured communication forums for continuous feedback between legacy system teams and TSB integration stakeholders. * Implement targeted change management initiatives to address impacts on business users resulting from legacy system transitions. * Develop risk mitigation strategies for dependency on legacy technologies, including fallback procedures and contingency plans