Raghavendra B

Overall, having 12+ years of experience, out of which around 10 years of Professional experience in administration of WebSphere Application Server 6.1, 7.x, 8.5.x, 8.5.5.x & around 2+ Years of Experience in AWS Cloud Infrastructure.

• 12+ years of experience in IT industry and worked on Web based and Client / Server Applications.
• 7+ years of work experience from Client location (Chicago-IL-USA) and worked closely with the clients on web-based and manufacturing applications.
• Strong experience in administration and maintenance of WebSphere application server (WAS8.5) and Amazon Web Services (AWS Cloud).
• Complete experience in providing L3.5 level support - handling infrastructure, migrating application server environments, hosting applications, deployment, configuration changes, new initiatives, and implementation in production environment.
• Implementing the WebSphere ND Refresh Packs and Fix packs during migration and to remediate the Vulnerability threats based on the application requirement from Development team.
• Interacting with the various stakeholders and low and mid-level management to discuss the various upcoming projects issues on-going defects reported by the market along with their priorities.
• Handling L3 and L3.5 incidents and tasks on Infrastructure and application server related critical issues along with the detailed analysis, monitoring and providing resolution on Non-prod and Production EC2 instances.
• Performing Amazon Kubernetes (EKS) Cluster upgrade and AMI update to the latest recommended version on Quarterly basis.
• Creating Automations using Jython, Shell scripts and AWS CLI for Middleware Application Server migration, Application deployments, delivering files via S3 bucket.
• Reporting to Senior Management about Metrics management, new initiatives and Action plans.
• Standard system administration duties including install/upgrade, System/Application install, problem determination and resolution, log analysis, etc.
• Architecture new concepts and solutions with Product team and Infrastructure team on creating Linux Elastic Cloud Compute (EC2) servers with EFS requirements and assigning Security groups and Target groups on these EC2 instances on AWS.
• Performing the Rollout restarts on Kubernetes Pods and code deployments on AWS Microservices Non-prod and PROD environments via GitHub PR's and Workflows mechanism.
• Handling Problem management to find the root cause analysis on critical priority issues which has a valid business impact and open Problem ticket on high priority issues and work with respective teams to get the root cause with preventive actions against the issue.
• Managing Change Management process on the scheduled Production and infrastructure activities and implementation of the change requests with proper approval and coordinate with markets to facilitate the requirements.
• Work with IBM Support team on troubleshooting WebSphere Messaging failures, OutOfMemory, Stale Connection exception, CPU Starvation and WebSphere Message store connectivity issues by raising PMR's with IBM team and implementing the recommendations with detailed testing on AWS EC2 servers.
• Conducting knowledge sharing sessions with the team members to come up with new ideas and get aware of new process changes made in the project.
• Ability to coordinate, plan and implement data center migration of LINUX servers from on-prem data center to AWS cloud.
• Strong experience in upgrading and implementing Fix packs/Interim fixes on WebSphere application server ND Package.
• Experience in creating automation process using Shell scripts and WebSphere environment setup and deployment using Jython scripts which helped in controlling costs on the products and minimizing the risks.
• Experience in using LINUX/Windows environment and have good knowledge on command line interface. Work experience in Retail industry, communication, and leadership skills.
• Process Management skills with an ability to effectively understand the business requirements and implement in production environment.
• Experience in using Microsoft Office Tools like MS Word, MS Excel and MS PowerPoint for Reporting and Presentation