Mainframe Tester

1 day ago

Bangalore Rural Bengaluru, India Mobilution It Systems Full time

Interview Mode-Face to face(22 December 2025)

Notice Period-Immediate-10 days

The Quality Engineer - Mainframe ensures the quality of batch and online (CICS) mainframe applications by designing, executing, and automating robust tests across COBOL, JCL, DB2, and VSAM components. The role involves preparing test scenarios and data, executing test cases, validating databases and files, and logging defects in ALM/Jira. The engineer analyzes abends from JES spool, debugs using mainframe tools (e.g., Xpeditor), and reviews COBOL-DB2 code when needed. Collaboration with developers and leads is key to assess risks, report daily progress, and deliver on time, with hands-on use of tools such as File-Aid/File Manager, SPUFI, and Endevor.

Required Qualifications

  • Hands-on mainframe testing experience across CICS, COBOL, JCL, DB2, VSAM
  • Proficiency with tools: File-Aid/File Manager, Xpeditor, Endevor, SPUFI
  • Ability to customize and run JCLs for the test environment using production JCLs
  • DB2 database testing and SQL querying skills
  • Experience analyzing abends from JES spool and using debugging tools
  • Ability to analyze COBOL and DB2 code as needed
  • Familiarity with CTD/IGNITE
  • Strong experience with HP Quality Center ALM and Jira for test management and defect tracking
  • Knowledge of testing methodologies, techniques, phases, and best practices
  • Excellent communication, organization, collaboration, and problem-solving skills

Responsibilities

  • Analyze requirements and technical design documents to derive test scenarios and detailed test cases
  • Prepare and maintain test data using tools (e.g., File-Aid/File Manager, SPUFI)
  • Customize and execute JCLs to run batch jobs and validate outcomes
  • Execute functional, integration, and regression tests for CICS online and batch components
  • Perform DB2 testing with SQL validation; verify VSAM files and datasets
  • Investigate and analyze abends from JES spool; debug using tools such as Xpeditor
  • Review and understand COBOL-DB2 code to trace logic and root-cause defects
  • Log and track defects using Quality Center ALM/Jira; support triage and retesting
  • Identify and escalate risks and issues to leads/managers promptly
  • Provide daily status/progress reports and actively participate in project calls and meetings
  • Independently handle tasks, meet deadlines, and collaborate effectively with the team

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