Major Responsibilities: Leads the analysis, documentation, and modernization of legacy system architectures, with a strong focus on understanding and mapping existing data flows, integrations, and dependencies, particularly Informatica ETL processes. Develops comprehensive architectural documentation (current-state and future-state), including system context diagrams, data architectures, integration patterns, and technical specifications. Provides expert-level analysis of ETL processes (especially Informatica), identifying data lineage, transformation logic, dependencies, and opportunities for optimization, simplification, or modernization. Collaborates closely with business stakeholders, developers, and data teams to translate business requirements into scalable, maintainable, and compliant solution designs. Ensures solutions align with OPS architecture principles, Information Management standards, security policies, and regulatory requirements. Facilitates design reviews and architec...