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MD

Mainframe Developer

Macpower Digital Assets Edge Private Limited
🇺🇸 United States
Remote
5 days ago
$60.00 – $63.33 / hour
  • z/OS
  • DB2
  • COBOL
  • SQL
5 days ago
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Job Summary: ​We are seeking a Mainframe Developer to develop, enhance, and support mission-critical applications on IBM z/OS. This role includes batch and/or online transaction processing, database work (DB2/IMS), testing, and production support. Responsibilities:
  • ​Design, develop, and maintain mainframe applications using COBOL (and/or PL/I), JCL, and related technologies.
  • Develop and support batch processing jobs (job streams, scheduling coordination, restarts, abend handling).
  • Build and maintain online applications using CICS and/or IMS TM, including transaction and screen/program changes.
  • Develop and optimize data access using DB2 (SQL) and/or IMS DB; perform basic performance tuning as needed.
  • Conduct impact analysis, estimate effort, and deliver enhancements/defect fixes through the SDLC (Software Development Life Cycle).
  • Perform debugging, root-cause analysis, and resolution of production issues; participate in on-call/support rotations as required.
  • Create and maintain technical documentation (program specs, job flows, runbooks, release notes).
  • Collaborate with cross-functional teams (business, QA, operations, infrastructure) to ensure stable releases and successful deployments.
  • Follow secure coding practices and comply with audit, access control, and data handling requirements.
Requirements
  • Hands-on experience with IBM z/OS mainframe development.
  • Strong proficiency in COBOL (or PL/I)
  • Strong proficiency in JCL and batch job processing concepts
  • Working experience with DB2 (SQL development and data handling) and/or IMS
  • Experience with ISPF/TSO and ability to navigate datasets, job logs, and execution outputs
  • Debugging and troubleshooting skills (including abend analysis)
  • Understanding of SDLC practices, testing, and release/change processes
  • Strong communication and documentation skills
Technical Key Skills:
  • Cobol
  • IBM JCL (Job Control Language).
  • DB2.
  • IBM - CICS
  • IBM - IMS DB/DC​.

Mainframe Developer · Macpower Digital Assets Edge Private Limited

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