Senior Consultant

Sr Mainframe developer with Technical Stewardship of defining and enforcing coding standards leading rigorous code reviews and maintaining comprehensive documentation for legacy architectures Core Responsibilities Application Development and Engineering Design write test and implement complex highly secure batch and online programs utilizing enterprise COBOL within IBM zOS environments Transaction Processing CICS Architect and optimize online CICS applications to ensure ultra low latency optimal screen data layouts high volume throughput and robust error handling protocols Database Management DB2 Design efficient relational tables write high performance embedded SQL statements and optimize DB2 store procedures indexes and queries to eliminate processing bottlenecks Batch Architecture and JCL Manage write and optimize complex JCL Job Control Language streams utilities IEBGENER IDCAMS SORT and automated batch scheduling systems Performance Tuning and Debugging Perform advanced root cause analysis system tracing and performance tuning using tools like Dump Analysis Xpediter InterTest or File AID to maintain high availability Systems Integration and API Enablement Partner with Cloud and Integration Architects to expose core mainframe data and transactional logic to modern RESTful APIs via zOS Connect or MQ Series Technical Stewardship Define and enforce coding standards lead rigorous code reviews and maintain comprehensive documentation for legacy architectures Required Technical Stack and Experience 8 plus years of professional experience in IBM Mainframe software engineering Proven track record in high volume transactional environments Financial Services Healthcare Logistics or Insurance Skill Matrix Domain Required Tooling and Concepts Languages Enterprise COBOL JCL Embedded SQL Assembler EZTrieve is a plus Online Processing CICS BMS Maps TS TD Queues Program Control Intercommunication Data Management DB2 Relational design SPUFI DCLGEN EXPLAIN plan analysis VSAM Environments and Tools zOS TSO ISPF Endevor Changeman Version Control Debugging and