Systems Programmer z/OS System Support (Mainframe Sysprog)

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.

• 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 teams.
  

• Maintain accurate system documentation, procedures, and standards.
  

Requirements

Minimum Requirements

• Proven experience as a Systems Programmer supporting IBM z/OS environments.
  

• Strong knowledge of z/OS architecture, system utilities, and subsystems.
  

• Experience with SMP/E, system libraries, and software installations.
  

• Ability to troubleshoot complex system -level issues.
  

• Strong documentation and communication skills.
  

Preferred Requirements

• Experience in large enterprise or public sector mainframe environments.
  

• Knowledge of mainframe security tools (e.g. RACF, ACF2, or Top Secret).
  

• Exposure to capacity planning, performance tuning, and automation tools.
  

• Relevant IBM or mainframe -related certifications.
  

• Key Competencies
  

• Analytical and problem -solving skills
  

• Attention to detail and reliability
  

• Ability to work under pressure in critical environments
  

• Strong teamwork and stakeholder collaboration