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# Mainframe Tester

- **Company:** Cynosure Technologies LLC
- **Location:** Boston, MA, United States
- **Contract:** Permanent contract
- **Skills:** JIRA, Software Bug Management, Customer Information Control System (CICS), COBOL (Programming Language), Databases, Data Validation, Data Integrity, Extract Transform Load (ETL), Data Transformation, Data Migration, IBM DB2, Database Testing, File Systems, HP Quality Centers, Job Control Language (JCL), Mainframes, Online Transaction Processing, Scrum Methodology, Systems Development Life Cycle, Regression Testing, E2e Testing, SQL Databases, Test Case, Test Data, Test Execution Engine, Virtual Storage Access Methods, Hp Alm
- **Published:** September 15, 2026
- **Apply:** https://www.dice.com/job-detail/b59069a4-a423-4fb0-99ca-c186f3aedb52

## About the Role

* Mainframe testing
 * COBOL, JCL, DB2, CICS, VSAM, IMS
 * SQL and database testing
 * Batch and online testing
 * Functional and regression testing
 * Data validation and reconciliation
 * Test case design and execution
 * Defect management
 * Jira / HP ALM / Quality Center
 * SDLC and STLC
 * Agile/Scrum methodologies
 * Strong analytical and troubleshooting skills

## Description

Mainframe , testing , banking , SQL, JIRA

 * Design, develop, and execute test cases for mainframe applications based on business and technical requirements.
 * Perform functional, integration, system, regression, and end-to-end testing of mainframe applications.
 * Strong hands-on experience with COBOL, JCL, DB2, VSAM, CICS, and IMS environments.
 * Validate batch jobs, file processing, data transformations, and application workflows.
 * Perform DB2 database validation using SQL queries and verify data integrity across systems.
 * Analyze JCL jobs, job outputs, return codes, abends, and logs to identify and troubleshoot defects.
 * Validate batch and online transactions in CICS environments.
 * Create and maintain detailed test scenarios, test cases, test data, and test execution reports.
 * Perform data validation and reconciliation between mainframe and downstream/upstream applications.
 * Execute regression testing during application enhancements, releases, and production fixes.
 * Identify, document, track, and retest defects using tools such as Jira, ALM, or Quality Center.
 * Participate in requirements analysis, test planning, defect triage, and release activities.
 * Work closely with developers, business analysts, and application support teams to resolve testing issues.
 * Support ETL, data migration, and legacy-system modernization testing where applicable.
 * Participate in Agile/Scrum ceremonies including sprint planning, daily stand-ups, reviews, and retrospectives.


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