India
Having 6+ years of progressive IT experience in Business Analysis, Design, Development, Maintenance, Coding, Testing, Documentation, specializing in system maintenance, issue resolution, and performance monitoring, Quality Assurance and Implementation on IBM Mainframe platform using COBOL, JCL, VSAM, DB2, SQL, VSAM, IMS DB, MQ series and Production support. o Experienced in developing and maintaining COBOL applications and understating transactional requirements of the application. o Strong command of JCL for batch processing, job scheduling, and system utilities. o Proficient in DB2 SQL, batch processing, and utilizing QMF and Platinum products for efficient data management over the course of 6 years. o Expertise in DB2 database management system for data modeling, SQL querying, and database administration. o Worked on developing and maintaining simple CICS programs using COBOL and VSAM. o Administered CA-7 job scheduling, handling the setup, execution, and monitoring of scheduled jobs, ensuring critical processes run on time.
Proficient in COBOL programming for mainframe applications, including design, development, testing, and maintenance. • Strong command of JCL for batch processing, job scheduling, and system utilities, DB2 database management system for data modeling, SQL querying and VSAM for file management and data organization on mainframe systems. • Participated in creating the functional and technical design documents as per the business design document. • Worked on Coding, unit testing and System Integration testing and collaborating with testing team for UAT. • Familiarity with job scheduling tools like Control-M and CA-7 for automating batch processing workflows and managing job dependencies. • Designed and implemented hierarchical database structures using IMS DB to support high-performance transaction processing systems in a mainframe environment. • Proficient in using mainframe utilities and tools such as Endevor, Changeman, File-Aid, and Xpeditor for development, testing, and debugging tasks. • Worked on IBM z/OS mainframe environment for executing and managing batch and online jobs. • Leveraged DB2 for database administration tasks, including schema management, SQL querying, and performance tuning for test environments. • Involved in writing complex SQL queries, subqueries, and joins to extract and manipulate data in an optimized way.
Proficient in COBOL programming for mainframe applications, including design, development, testing, and maintenance. Strong command of JCL, DB2, VSAM and CICS. • Developed and enhanced COBOL programs to support infrastructure initiatives, ensuring seamless integration with existing systems and processes. • Designed and implemented JCL procedures for batch job scheduling, data processing, and system utilities to facilitate infrastructure testing and validation. • Worked on developing and maintaining simple CICS programs using COBOL and VSAM. • Created and tested BMS maps for CICS screens to support user interactions. • Understanding the requirements and having project kick-off sessions to have a clear idea about the business needs. • Worked on IBM z/OS mainframe environment for executing and managing batch and online jobs. • Modified and optimized legacy Assembler routines to be compatible with the latest z/OS releases, avoiding runtime issues during system upgrades. • Used TSO/ISPF to navigate datasets, edit files, and manage job submissions on the mainframe. • Submitted and monitored JCL jobs for batch processing in z/OS.
Worked through all the project life cycle SDLC Software Development Life Cycle which is a waterfall methodology starting from high level design to system/integration testing and production support as well. • Prepared High Level and low technical design document as per business design document • Coding COBOL-DB2 modules. • Involved in writing complex SQL queries, subqueries, and joins to extract and manipulate data in an optimized way. • Involved in Creating and optimizing database structures, tables, views, and stored procedures for efficient data storage and retrieval. • Administered and supported production DB2, CICS, Endevor, and X/PTR systems, ensuring smooth operations and minimal downtime. • Leveraged in-depth knowledge of Z/OS operating system to effectively troubleshoot and manage system interrelationships and functionalities. • Maintenance of JCLs, PROCs, PARMs and Loads for application. • Proficient in DB2 SQL, batch processing, and utilizing QMF and Platinum products for efficient data management over the course of 6 years. • Worked on IMS DB-to-DB2 data migration projects, including schema mapping, data transformation, and performance validation. • Write complex queries using SPUFI to perform various operations on database. • Create unit test plan and execute Unit Testing. • Modified and optimized legacy Assembler routines to be compatible with the latest z/OS releases, avoiding runtime issues during system upgrades. • Created custom ISPF dialog panels integrated with REXX scripts to provide interactive user interfaces for system operations and reporting. • Automated system health checks, batch job monitoring, and alert generation using REXX, improving system visibility and reducing manual workload. • Provide root cause analysis of defects and resolution of it in System testing phase. • Used XPEDITOR to debug both online and batch programs.