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

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.

Full-time hires are eligible to participate in the DXC benefit program.  DXC offers a comprehensive, flexible, and competitive benefits program which includes, but is not limited to, health, dental, and vision insurance coverage; employee wellness; life and disability insurance; a retirement savings plan, paid holidays, paid time off.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.

If you are an applicant from the United States, Guam, or Puerto Rico

DXC Technology Company (DXC) is an Equal Opportunity employer. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, pregnancy, veteran status, genetic information, citizenship status, or any other basis prohibited by law. View postings below.

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