Mainframe Developer Job at Tech3pillars Technologies, Troy, MI

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  • Tech3pillars Technologies
  • Troy, MI

Job Description

Mainframe Developer

Troy, MI

Financial Domain

Day 1 onsite

Key Responsibilities:

  • Design, develop, and maintain COBOL, JCL, and DB2-based applications on IBM Mainframes.
  • Provide L2/L3 production support , including root cause analysis and resolution of issues impacting batch jobs, reports, and real-time transactions.
  • Perform impact analysis, code reviews, and debugging of existing applications.
  • Create and execute unit test plans and support system/integration testing.
  • Work on batch and online systems including performance tuning and optimization.
  • Participate in requirement gathering, estimation, and documentation processes.
  • Coordinate with business analysts, QA teams, and other stakeholders to deliver solutions.
  • Support production deployments and resolve issues post-deployment.

Required Skills:

  • Strong hands-on experience in COBOL , JCL , VSAM , CICS , and DB2 .
  • Familiarity with Mainframe Tools like Endevor , SPUFI , File-AID , Expeditor , etc.
  • Understanding of batch processing , online transactions , and data partitioning .
  • Knowledge of Mainframe modernization tools or concepts is a plus.
  • Excellent debugging and troubleshooting skills.
  • Strong communication and teamwork abilities.

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