Mainframe Application Performance Optimization Architect/SME
VRNeXGen
- Location
- Bengaluru, Karnataka, India
- Job type
- Full-time
About the role
Website:
vrnexgen1.com
Job details:
Job Location - Chennai / Bangalore
- 8+ years of strong IBM Mainframe performance engineering experience, including COBOL, JCL, CICS, and IMS (DB/DC) in large-scale production environments
- COBOL application‑level CPU optimization expertise, including code path analysis, I/O reduction, and DB call optimization
- Advanced DB2 SQL performance tuning for mainframe workloads (access path analysis, index strategy, contention reduction)
- CICS transaction performance tuning for high‑volume online processing
- Expertise in APA + MainView + SMF/RMF: APA for CPU attribution, MainView for real‑time/historical monitoring, and SMF (Type 30, 72, 101/110) + RMF
- Clearly present findings and optimization recommendations to clients, implement them and perform baseline vs benchmark calculation & validations
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