Highly Technical Mainframe Systems Expert

2 weeks ago

Eluru, India beBeeEnterpriseSystems Full time

Enterprise Systems ProgrammerThis is a highly technical role that requires the design, implementation and maintenance of enterprise-level system software in mainframe environments.Key Responsibilities:System Installation, Maintenance & UpgradesInstall, upgrade, configure and maintain z/OS and subsystems including JES2, RACF, CICS, DB2 and IMS.Manage system updates, PTFs and APARs using SMP/E.Ensure system stability and compatibility across releases.Performance Tuning & Capacity PlanningMonitor and optimize CPU, memory and I/O performance.Tune WLM, Sysplex and critical components.Conduct capacity planning and recommend hardware upgrades.Security & ComplianceAdminister RACF and enforce security policies.Ensure compliance with SOX, PCI-DSS and HIPAA.Apply security patches and mitigate vulnerabilities.Storage & Backup ManagementManage DFSMS, VSAM, HSM and storage tools.Oversee backups, DR and high-availability solutions.Optimize disk and tape storage usage.Incident Management & TroubleshootingDiagnose and resolve system abends and bottlenecks.Analyze dumps, logs and traces for root cause.Work with vendors on complex issues.Automation & ScriptingDevelop automation using REXX, JCL, CLIST and Ansible.Improve monitoring, job scheduling and efficiency.Automate repetitive tasks to streamline processes.Disaster Recovery & High AvailabilityImplement and test disaster recovery plans for business continuity.Maintain Parallel Sysplex and failover configurations.Documentation & Knowledge SharingMaintain technical documentation and best practices.Mentor junior team members and share knowledge.Required Qualifications:Bachelor's degree in computer science or IT or equivalent experience.5+ years as an Enterprise Systems Programmer or similar role.Expertise in z/OS, z/VM, JES2, SMP/E, TSO, ISPF, RACF, JCL, REXX, VTAM, TCP/IP, USS and z/Linux.Strong understanding of IBM mainframe hardware, Sysplex and storage management.Experience with performance tuning and troubleshooting using logs and dumps.Familiarity with automation tools and middleware integration.

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