# Mainframe tester

- **Company:** Encora
- **Location:** MX (Not specified)
- **Salary:** Salary not disclosed
- **Contract:** Not specified
- **Posted:** 2026-08-01

## Job 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.

[Apply on the company site](https://www.joonow.com/en/job/mainframe-tester-mexico-city-pxnm05zp0z/apply)