Systems programmer – z/os system support (mainframe sysprog)

Cape Town, South Africa | Posted on 02/09/2026

The Systems Programmer – z/OS System Support is responsible for the installation, configuration, maintenance, and support of IBM z/OS mainframe systems . The role ensures high availability, performance, security, and reliability of mainframe environments supporting critical enterprise applications. Key Responsibilities Install, configure, maintain, and upgrade IBM z/OS operating systems and related system software. Perform system-level problem determination and resolution , including root cause analysis. Manage SMP/E software maintenance , system libraries, and system configurations. Monitor and tune system performance to ensure optimal availability and capacity. Support system security controls , compliance standards, and audit requirements. Participate in disaster recovery planning and testing . Provide 2nd and 3rd level support for z/OS system-related incidents. Collaborate with application, infrastructure, and operations te...

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