
Mainframe tester
Encora • Ciudad de México, Mexico
**Role & seniority: ** Mainframe Tester (5+ years)
**Stack/tools: **
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CICS-based online screens and workflows
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Batch testing, JCL execution/monitoring
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Mainframe test data & files: VSAM, flat files
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Mainframe debugging using tools/logs/datasets
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(Nice-to-have) TOSCA automation for Mainframe (CICS, batch, data validations)
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Top 3 responsibilities:
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Test CICS online screens, batch jobs, and end-to-end Mainframe workflows (business process validation)
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Create/execute/monitor JCL jobs; analyze outputs and troubleshoot failures across environments
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Build and maintain Mainframe test data/files (VSAM/flat files) and use them for validation
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Must-have skills:
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Hands-on Mainframe testing experience (CICS + batch)
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JCL job understanding and output analysis/debugging
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Ability to manage Mainframe test data (VSAM/flat files)
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Defect troubleshooting and collaboration with development teams
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Nice-to-haves:
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TOSCA automation for Mainframe (CICS screens, batch, data validation)
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Knowledge of Mexico Payments: SPEI, settlement flows, interfaces, message validations, regulatory considerations
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Location & work type: Mexico City, Mexico — Hybrid
Full Description
Job Title: Mainframe Tester
Key Skills: CICS-based online screens, batch jobs, and Mainframe workflows, Mainframe test data and files (VSAM/flat files)
Experience: 5+ years Location Mexico City, Mexico
Mode: Hybrid We at Coforge are hiring Position (22658) with the following skill set. Perform testing of CICS-based online screens, batch jobs, and Mainframe workflows, validating end-to-end business processes. Create, execute, and monitor JCL jobs, analyze job outputs, and troubleshoot failures across Mainframe environments. Develop and maintain Mainframe test data and files (VSAM/flat files) to support testing and data validation activities. Debug application and batch processing issues using Mainframe tools, logs, and datasets, collaborating with development teams to resolve defects. Good to have experience with TOSCA automation for Mainframe applications, including automation of CICS screens, batch processes, and Mainframe data validations. Strong understanding of Mexico Payments systems and processes, including SPEI, banking payments, settlement flows, interfaces, message validations, and regulatory considerations
Posted On: July 31, 2026 At Coforge, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.