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Senior IBM z/OS Communications Systems Programmer (ALC Specialist)
Senior IBM z/OS Communications Systems Programmer (ALC Specialist)DXC Technology • USA DC Home based
Senior IBM z / OS Communications Systems Programmer (ALC Specialist)

Senior IBM z / OS Communications Systems Programmer (ALC Specialist)

DXC Technology • USA DC Home based
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Job Description : Key Responsibilities

  • ALC Development and Maintenance (Communications Focus) : Write, debug, and maintain custom high-performance code written in Assembler Language Code (ALC / BAL) to support a communications application.
  • System Diagnosis and Debugging : Perform advanced diagnostics, including reading and analyzing system dumps (SVC, ABEND) and network traces to identify and resolve complex, intermittent communications failures at the memory and instruction level.
  • JCL and Automation : Develop and maintain complex JCL and REXX scripts for message processing automation, monitoring, and problem recovery.

Required Skills and Experience

  • 7+ years of direct, hands-on experience as an IBM z / OS Systems Programmer supporting high-volume transactional or communications environments.
  • Expert-level proficiency in Assembler Language Code (ALC / BAL) is mandatory, with specific experience writing system for communications protocols (TCP / IP).
  • Deep understanding of IBM z / Architecture , z / OS kernel operation, and cross-memory services.
  • Experience with advanced debugging tools (e.g., IPCS) and specialized performance monitoring utilities (e.g., OMEGAMON, NetView).
  • Strong knowledge of network protocols in the mainframe context (TCP / IP).
  • Exceptional problem-solving skills and the ability to work independently on critical system failures.

    • Preferred Qualifications

  • A bachelor’s degree in computer science or a related technical field.
  • Current IBM Systems Programmer certification for z / OS.
  • Familiarity with mainframe security products (e.g., RACF, ACF2) as they relate to network access and channel security.
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    Senior IBM zOS Communications Systems Programmer ALC Specialist • USA DC Home based

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