Mainframe Systems Engineer

1 week ago

thiruvananthapuram, India beBeeMainframer Full time

Enterprise Mainframe SpecialistWe are seeking a highly skilled Enterprise Mainframe Specialist to design, implement, and maintain complex system software in IBM mainframe environments.Key ResponsibilitiesSystem Installation & Maintenance: 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 & Capacity Planning: Monitor and optimize CPU, memory, and I/O performance.Tune WLM, Sysplex, and critical components.Conduct capacity planning and recommend hardware upgrades.Security Administration & Compliance: Administer RACF and enforce security policies.Ensure compliance with SOX, PCI-DSS, HIPAA.Apply security patches and mitigate vulnerabilities.Storage Management & Backup Recovery: Manage DFSMS, VSAM, HSM, and storage tools.Oversee backups, DR, and high-availability solutions.Optimize disk and tape storage usage.Incident Resolution & Troubleshooting: 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 & Scripting: Develop automation using REXX, JCL, CLIST, Ansible.Improve monitoring, job scheduling, and efficiency.Automate repetitive tasks to streamline processes.Disaster Recovery & High Availability Strategy: Implement and test DR plans for business continuity.Maintain Parallel Sysplex and failover configurations.Documentation & Knowledge Sharing: Maintain technical documentation and best practices.Mentor junior team members and share knowledge.

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