Cyprain Wanki

About Cyprain Wanki

I’m a Cloud Infrastructure and Oracle Database Engineer with over 8 years of experience…

Experience

1. Senior Infrastructure & Oracle Dba Engineer

   Juniper Networks

   Apr 2024 — Present

   Administer enterprise Oracle 19c RAC databases across on-prem and AWS environments; implemented Data Guard for cross-region replication achieving 99.99% uptime. • Automated provisioning and patching workflows using Terraform and Ansible, reducing manual setup time by 45% and eliminating configuration drift. • Designed and executed migrations from on-prem to AWS RDS and PostgreSQL, optimizing resource usage and cutting infrastructure costs by 30%. • Configured RMAN backup retention policies, performed restore validations, and implemented block-change tracking to meet RTO/RPO targets below 15/5 minutes. • Built monitoring dashboards with Grafana and Prometheus for performance, query latency, and error trends; reduced meantime-to-resolve incidents by 30%. • Conducted SQL and AWR tuning to improve critical transaction performance by up to 25%. • Applied Linux hardening standards and automated patch compliance across 250+ servers. • Integrated database health checks into Jenkins pipelines for CI/CD deployments, increasing release stability and reducing post-deployment defects. • Produced operational runbooks, automation guides, and DR procedures used company-wide.