- Administer and support Mainframe and Midrange hosting environments.
- Develop and maintain automation scripts for operational activities.
- Monitor system performance, availability, and capacity.
- Troubleshoot production incidents and perform root cause analysis.
- Execute system maintenance, patching, and upgrades.
- Manage batch scheduling and workload automation.
- Ensure adherence to ITIL processes and change management.
- Collaborate with infrastructure, application, and operations teams.
- Maintain system documentation and operational procedures.
- Support disaster recovery and business continuity activities.
- Implement security and compliance standards.
- Identify opportunities for operational automation and process improvements.