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Mainframe tester

Mexico💼 Full-time🗓 2026-08-01 → 2026-09-25

Core

Testing of CICS-based online screens, batch jobs, and Mainframe workflows to validate end-to-end business processes.

Role type

Mainframe tester

Builds

Validated business processes and data integrity in Mainframe environments

Domain

Banking payments (Mexico SPEI) and Mainframe systems

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

CICS testing, JCL job creation and monitoring, VSAM/flat file management, Mainframe debugging, Mexico Payments systems knowledge (SPEI, settlement flows)

Preferred skills

TOSCA automation for Mainframe applications

Technologies

CICS, JCL, VSAM, flat files, TOSCA, Mainframe tools

Responsibilities

Create, execute, and monitor JCL jobs; Develop and maintain Mainframe test data and files; Debug application and batch processing issues; Validate end-to-end business processes

Seniority

Mid-level, hands-on IC

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