
Optimizing Mainframe Performance
3 days ago
As a seasoned professional in the field of mainframe performance, you will be responsible for identifying and resolving complex issues across various platforms and services.
The RoleYou will be at the forefront of new technology and modernization, working with leading-edge systems and technologies.
Key Responsibilities:- Identify and resolve complex problems and potential future issues across the spectrum of platforms and services.
- Responsible for performance tuning and optimization of mainframe environment.
- WLM (Workload Manager) administration and setup.
- Thruput Manager administration and setup.
- Technical assistance during performance issues.
- Limits and definitions (LPDEFs).
- Performance health checks setup.
- Weekly and monthly meetings with senior management and LOBs.
- Building performance reporting with IzPCA.
6+ years of experience in WLM Administration and setup.
Thruput Manager Administration and setup.
Performance tuning of JAVA, CICS, DB2, IMS subsystems and z/OS operating system.
DASD Subsystem tuning.
Real-time monitoring using BMC's Mainview or IBM's OMEGAMON.
SMF data processing using MICS, MXG and SAS.
Data extraction from TDS or IzPCA for performance analysis.
Strobe Execution and analysis.
Preferred Requirements- Expertise in utilizing tools like SAS, MICS, IZPCA, TDS, RMF, WLM and other performance monitoring utilities.
- Large enterprise organizations relying heavily on mainframe systems for mission-critical applications.
- Collaborative work with other system programmers, application developers and system operators to address performance issues.
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