Senior IBM z/OS Communications Systems Programmer (ALC Specialist)DXC Technology • USA DC Home based
Senior IBM z / OS Communications Systems Programmer (ALC Specialist)
DXC Technology • USA DC Home based
2 days ago
Job type
Full-time
Remote
Job description
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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