Must have E&U Domain experianceExpert Knowledge: Provide specialized insights in CSS (Customer/1), Service order and Billing.Application Development: Design, code, test, and debug mainframe applications using COBOL, JCL, DB2 and CICS.Project Collaboration: Work closely with business analysts, business team and project managers to understand requirements and implement solutions.Data Security & Compliance: Ensure adherence to financial regulations and data security policies.Documentation: Assist w