Mainframe System Support Specialist with over a decade of experience in the utilization of tools such as Natural 1 and 2, ADABAS, Complete, Cobol 2, Easytrieve, ROSCOE, VSAM, DB2, TSO, Endevor, and AdaSql within IBM environments. Professional tenure includes substantial roles in diverse sectors, focusing on critical systems related to Money Laundering Prevention, DIRF, DARF, Income Tax Statement Issuance, and Water Billing Systems. Responsibilities involved diagnosing and resolving system operational issues (abends/cancellations), implementing new reports and functionalities tailored to client requirements, extensively documenting tests, and managing production deployments.