Vamsi Pabbisetty

• Collaborated with clients to determine need and devise appropriate software and hardware solutions.
• Performed root cause analysis to provide resolutions for production issues.
• Created manuals and taught training sessions to educate co-workers on new systems.
• Performed Health checks and advised steps needed for performance improvement.

Designated Support Engineer (DSE): Served as DSE for two key customers.

· Helped Customers in setting up their Docker environments using HELM charts and help with any issues that arise with network related, installation or others.

· Docker/Kubernetes Configuration Resolution: Successfully resolved Kubernetes configuration issues over AKS within a tight timeframe, ensuring data integrity and securing a crucial Product Deal.Reduced product data loss risk due to configuration drift in API changes.

· Facilitated migration of on-prem configurations to AKS implementing our product over AKS, designed backup strategies using AWS S3 buckets using sidecar containers and CRON jobs for scheduling, setting up Load Balancers with Istio (with and without SSL termination).

· Designed end-to-end Kubernetes environments for Test and Production, incorporating vertical auto-scaling for pods and nodes, load balancer configuration, Istio setup, CA rolling certs setup, and regular backups using CRON, and auto-scaling for high availability and performed memory tuning.

· AWS Skills Mentorship: Conducted 25 mentoring/workshop sessions on AWS, covering EC2, buckets, static website creation, troubleshooting scenarios, hands-on exercises, and post-session support.

System Architecture, Performance Tuning, and Troubleshooting

· Designated Support Engineer for key customer managing architecture, design, performance tuning (including memory tuning), troubleshooting, log analysis, and application architecture over K8s – JVM memory tuning, PVCs, load balancer setup (Istio), auto certificate renewal, SSL termination at LB, Splunk integration, HELM deployment, and Argo CD integration.

· Address and resolve network, data, certificate, and security vulnerabilities across Windows, Linux, Cloud, and containerized solutions (AWS & Azure). Ensure the secure authorization and maintain data integrity for user and group data.

· Developed tailored solutions for Single Sign-On (SSO) issues by troubleshooting and providing customized solutions based on the unique configurations of each customer, accounting for key individual factors.

· Implemented Splunk integration to generate alerts for memory and CPU spikes, service failure, and data synchronization and performance issues, streamlined the troubleshooting process, and saved time on each ticket, improving efficiency.

System Architecture, Performance Tuning, and Troubleshooting

· Designated Support Engineer for key customer managing architecture, design, performance tuning (including memory tuning), troubleshooting, log analysis, and application architecture over K8s – JVM memory tuning, PVCs, load balancer setup (Istio), auto certificate renewal, SSL termination at LB, Splunk integration, HELM deployment, and Argo CD integration.

· Address and resolve network, data, certificate, and security vulnerabilities across Windows, Linux, Cloud, and containerized solutions (AWS & Azure). Ensure the secure authorization and maintain data integrity for user and group data.

· Developed tailored solutions for Single Sign-On (SSO) issues by troubleshooting and providing customized solutions based on the unique configurations of each customer, accounting for key individual factors.

· Implemented Splunk integration to generate alerts for memory and CPU spikes, service failure, and data synchronization and performance issues, streamlined the troubleshooting process, and saved time on each ticket, improving efficiency.

· Resolved version difference issues in ACTIVE DATABASE SCHEMAS of the Production database by identifying root causes and upgrading remaining active schemas, helping in resolving the remaining invalid objects.

· Received the "Star of the Month" and "On-the-Spot" awards for resolving a critical issue in the Production Database (Oracle 11g) as a member of the Critical Issue Handling Team.

· Automated ETL pipelines with shell scripts and PL/SQL blocks/procedures to bridge the gap between Informatica ETL jobs and Oracle scheduler, reducing layover and solving cache issues for minimized ETL downtime.