Mainframe Developer

Mainframe Developer

• Core: z/OS, COBOL, JCL, Db2 12/IMS, VSAM, CICS TS • Tooling: Endevor/ChangeMan, File-Aid, Expeditor, Abend-AID, SPUFI/QMF, SDSF • Scheduling: CA7/Control-M/TWS; MQ integrations • Modernization: API enablement (z/OS Connect EE), JSON/REST services, event-driven interfaces • DevOps: Zowe CLI, Git on z/OS, CI/CD quality gates; basic observability and performance tuning Nice-to-have • Automations (REXX), Git on z/OS; streaming connectors to enterprise buses AI & Responsible AI Expectations • Hands-on GenAI integration for productivity (code insights, data mapping suggestions). • Exposure to agentic patterns for batch ops assistance and documentation automation. • Optimize high-volume batch and CICS programs; tune SQL and access paths. • Lead incident RCA; design reusable standards; contribute to API enablement (z/OS Connect). • Expert in COBOL, JCL, Db2 tuning; CICS programming; schedulers and change control. • Automations (REXX), Git on z/OS; streaming connectors to enterprise buses. • Performance analysis (SMF/EXPLAIN); secure coding and compliance.