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waqas alyas
Senior Cloud & DevOps Engineer specializing in AWS and Kubernetes
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About
AIX/IBM Power Systems engineer with hands-on production incident leadership in a regulated banking environment, using deep OS-level tooling to diagnose CPU entitlement and memory pressure issues. Experienced with HMC/vHMC, VIOS, and zero-downtime DLPAR resizing, plus PowerHA/HACMP clustering and validated failover testing. Also drives migration readiness via Bash/Python automation (60% manual-effort reduction) and phased AIX cloud/hybrid cutovers.
Experience
Education
Key Strengths
- Led high-severity AIX production incident triage using OS performance tools (topas/vmstat/iostat/svmon/lparstat)
- Coordinated with virtualization team to adjust CPU entitlement/resource limits and stabilize performance
- Implemented proactive monitoring/alerting for CPU, memory, and paging saturation
- Executed zero-downtime DLPAR CPU/memory resizing while managing contention across shared LPARs
- Planned and executed AIX migrations using dependency discovery, lift-and-shift vs re-platform decisions, and phased cutovers with parallel testing
- Built/operated PowerHA/HACMP clusters and validated failover via simulated node failures with no downtime
- Automated AIX patching and inventory with Bash/Python, reducing manual effort by 60%
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