Mainframe Performance & Capacity Management

Company:

Job Title

Location: Bangalore || Chennai

Experience: 5+ Years

Role Overview:

You will work on IBM z/OS mainframe systems to make sure they run fast, efficiently, and without issues. Your main job is to monitor system performance, analyze usage, find bottlenecks, plan for future capacity, and ensure smooth system operations.

Roles & Responsibilities:

• Monitor and analyze performance of IBM z/OS mainframe systems.
• Study SMF/RMF data to identify issues and optimize system performance.
• Work with WLM, Parallel Sysplex, and multiple LPAR environments.
• Perform performance tuning for z/OS, JES, CICS, DB2, IMS, DASD, and Tape systems.
• Find root causes (RCA) of performance problems and fix them.
• Prepare reports and capacity forecasts for CPU, DASD, tape, and coupling facilities.
• Support customers with on-call 24/7 rotation.
• Provide technical advice for designing mainframe infrastructure solutions.

Required Skills:

• 5+ years experience in mainframe performance & capacity planning.
• Strong knowledge of SMF/RMF, WLM, Sysplex, LPARs.
• Good understanding of z/OS, CICS, DB2, IMS, JES.
• Experience with performance tuning for storage systems (DASD/Tape).
• Hands-on experience with tools: RMF, Omegamon, TMON, BMC, Strobe, APA.
• Experience using TDS, QMF for data extraction.
• Strong analytical, diagnostic, and documentation skills.
• Good communication and teamwork skills.