Systems Programmer – z/OS System Support

1 week ago

Sandton, South Africa Blue Pearl PTY LTD Full time R200 000 - R250 000 per year

The Systems Programmer (z/OS System Support) is responsible for the installation, customization, maintenance, and performance of IBM z/OS systems and related mainframe software. The role ensures the reliability, availability, and stability of the mainframe environment, supporting business-critical applications and production systems.

y Responsibilities:

  • Install, configure, and maintain IBM z/OS, associated subsystems, and related mainframe software products.

  • Provide system-level support, including problem determination, performance tuning, and incident resolution.

  • Perform system upgrades, PTFs, and maintenance activities with minimal business disruption.

  • Manage and support z/OS components such as JES2/JES3, SMP/E, RACF, REXX, ISPF, and TSO.

  • Monitor system health, capacity, and resource utilization to ensure optimal performance.

  • Collaborate with application and operations teams to troubleshoot and resolve system issues.

  • Develop and maintain system documentation, standards, and change control processes.

  • Participate in disaster recovery planning and testing.

  • Implement and enforce security and compliance standards within the z/OS environment.

  • Provide 24x7 support on a rotational basis for critical system incidents.

Required Skills & Experience:

  • Minimum of 5+ years experience as a Mainframe Systems Programmer supporting z/OS environments.

  • Strong knowledge of IBM z/OS, JES2/JES3, SMP/E, RACF, ISPF, TSO, and REXX scripting.

  • Experience with mainframe storage management, tape systems, and catalog management.

  • Proven experience with z/OS upgrades, patch management, and capacity planning.

  • Familiarity with problem determination tools (e.g., IPCS, SYSVIEW, RMF, OMEGAMON).

  • Understanding of mainframe networking, VTAM, TCP/IP, and security controls.

  • Strong analytical and troubleshooting skills with attention to detail.

  • Experience working in environments with high availability and strict SLAs.

Requirements
Qualifications:

  • Degree or Diploma in Computer Science, Information Technology, or related field.

  • IBM z/OS certifications or equivalent technical training advantageous.

  • ITIL Foundation certification preferred.

Competencies:

  • Excellent problem-solving and diagnostic abilities.

  • Strong communication and documentation skills.

  • Ability to work independently and within a team.

  • Adaptability in a high-pressure, dynamic environment.

  • Commitment to continuous improvement and learning.

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