Senior Mainframe Systems Engineer

1 week ago

dombivli, India beBeeZos Full time

Enterprise z/OS Systems ProgrammerWe are seeking a seasoned professional to design, implement, and maintain large-scale system software in IBM mainframe environments.This role focuses on system configuration, performance optimization, security, automation, and troubleshooting to ensure high availability and optimal performance.You will lead technical initiatives and collaborate with cross-functional teams to support business objectives.Key Responsibilities:System Installation, Maintenance & Upgrades: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 Tuning & 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 & Compliance:Administer RACF and enforce security policies.Ensure compliance with regulatory standards.Apply security patches and mitigate vulnerabilities.Storage & Backup Management:Manage DFSMS, VSAM, HSM, and storage tools.Oversee backups, DR, and high-availability solutions.Optimize disk and tape storage usage.Incident Management & Troubleshooting:Diagnose and resolve system errors and bottlenecks.Analyze dumps, logs, and traces for root cause.Work with 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:Implement and test disaster recovery 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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    dombivli, India beBeeSystem Full time

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    Dombivli, India Luxoft Full time

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    dombivli, India beBeeMonitoring Full time

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    dombivli, India beBeeDeveloper Full time

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    Dombivli, India Mphasis Full time

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