Enterprise Mainframe Systems Specialist

2 weeks ago

ballari, India beBeeMainframe Full time

System Software ProfessionalWe are seeking an experienced System Software Professional to design, implement and maintain enterprise-level system software in mainframe environments.Key Responsibilities:Install, upgrade, configure and maintain z/OS and subsystems (JES2, RACF, CICS, DB2, IMS).Manage system updates, PTFs, APARs using SMP/E.Ensure system stability and compatibility across releases.Performance Optimization:Monitor and optimize CPU, memory and I/O performance.Tune WLM, Sysplex and critical components.Conduct capacity planning and recommend hardware upgrades.Security Administration:Administer RACF and enforce security policies.Ensure compliance with SOX, PCI-DSS, HIPAA.Apply security patches and mitigate vulnerabilities.Storage Management:Manage DFSMS, VSAM, HSM and storage tools.Oversee backups, DR and high-availability solutions.Optimize disk and tape storage usage.Troubleshooting and Incident Management:Diagnose and resolve system abends and bottlenecks.Analyze dumps, logs and traces for root cause.Work with IBM support and vendors on complex issues.Automation and Scripting:Develop automation using REXX, JCL, CLIST, Ansible.Improve monitoring, job scheduling and efficiency.Automate repetitive tasks to streamline processes.Disaster Recovery and High Availability:Implement and test DR plans for business continuity.Maintain Parallel Sysplex and failover configurations.Knowledge Sharing and Documentation:Maintain technical documentation and best practices.Mentor junior team members and share knowledge.

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