VAMSI KRISHNA KOTTAPALLI

• Strategizing the installation and upgradation for the openshift container platform clusters, incorporating version operators for both cluster and application-specific versions.
• Designing and installing redhat ansible automation platform on hub clusters, integrating with target ocp clusters for day2 operations.
• Controlling and configuring the openshift cluster resource such as namespace, network policies,resource quota, rbac policies, and egress by using aap.
• Participation in openshift cluster expansion and worker node scaling based on the application requirements.
• Installing , configuring and maintaining continuous integration and continuous delivery (ci/cd) for end-to-end automation for all builds and deployments by using jenkins cicd pipelines.
• Design and implementation of middleware tools and seamless integration with webservers, configuration of load balancer, and clustering techniques for high availability.

Client: United Overseas Bank

• Strategize the installation and upgrade tasks for the OCP Clusters, incorporating version operators for both the cluster and application-specific versions and following the upgrade life cycle.
• Install and configure the Redhat Ansible automation platform on HUB OCP Clusters, Integrating it with target OCP clusters to run day2 operations/health check reports.
• Ansible Controllers Setup by using configuration as a code and integration with OpenShift , Virtual Machines, Bitbucket, Active Directory, Splunk for day2day administrative automation activities.
• Controlling and configuring the namespace creation and network policy setup, quota configuration, RBAC Policies, Egress, by using Enterprise Ansible automation platform.
• Collaborating with the Design, change & Run team and the Application and Development teams to meet OCP requirements and standards, and to utilize, optimize, and troubleshoot all features in OCP and its tools.
• As an OpenShift infrastructure engineer involved in maintaining the uptime, performance, and compliances of the Redhat openshift Container platform OCP according to bank standards daily basis.
• Scaling and deploying the cluster expansion based on the specific requirements and usage patterns in different environments such as production, disaster recovery, and uat.
• Deployment support for various applications and fixes of Redhat OCP configuration and implementation.
• Provide L2 support for Redhat OCP, which includes change, system administration,performance, and availability management.
• Assist/Escalate Redhat OCP configuration &services and container issues, working in collaboration with other relevant IT areas and Redhat support towards a quick and effective resolution.
• Installing and configuring IBM WebSphere application server 8x/9x, IBM HTTP server, Weblogic & Apache Tomcat and Httpd.
• Federations, Implemented horizontal and vertical clustering, Workload Management (WLM) to make an application Highly Available.
• Configuring of JDBC Providers, Data Source, Virtual Hosting and Global Security, SSL.
• Maintaining Development and staging environment as and when requested by development & testing teams. Applying patches and Upgrades.
• Analyze and help resolve the infrastructure and application server problems with lower/higher env.
• Scheduling triage calls with cross functional teams for quicker resolution.
• Experience in SSL configuration (CSR generation and SSL installation). Deploying ear/war files to the applications on various environments including Production.
• Involved in several disaster recovery exercises with pre and post infra comparisons with PORD/DR switchover and switchback for critical applications.

Project: Franchise and Legal Solution

• LTM Adminstration: F5 Loadbalancer admin task includes Virtual Servers, VIP, Pools, Profiles, Pool Members, Health Monitors, NAT, LTM policy definition, SSL Offloading and irules, tuning application-specific traffic rules an trouble-shooting issues if any defects..
• Created and updated Technical Architecture Diagrams with detailed information and logics, validation with CAB meetings and raising merge request for application TAD's and IAC configuration codes to the Bitbucket/GIT.
• CRQ Creation/Change process to push the necessary changes and configurations related to F5 Administration. Implementation of changes includes validation of F5 Load balancer and web/application servers.
• Handling the infrastructure related issues, such as network/platform/database/application specific with cross functional teams .
• Experience in AWS cloud platform and its features which includes EC2, VPC, AMI, cloud watch, Elastic load balancers, IAM, and AWS S3.
• Experienced in Amazon EC2 setting up instances and setting up security groups.
• Setting up data in AWS using S3 bucket and configuring instance backup to S3 bucket Infra design for various environments, TAD creations & updates.

Project: Model Transactions

• Worked on JFROG Artifactory and Confluence migration on AWS cloud from on premise project
• Configured Ansible automation for complete OS patching activity from end to end to eliminate manual intervention
• Worked on creating multiple Docker and Maven repositories for multiple applications
• Configured Ansible automation for new Jenkins Pipeline creation
• Responsible for configuring F5 setup for new and existing applications and web servers for both Core and OpenShift Platform
• Created Ansible templates for deploying application servers on AWS , Configured multiple Java/J2EE applications on WebSphere, WebLogic app servers and Tomcat web servers on C3 cloud
• Worked on decommissioning and configuring new applications as a part of End-of-Life projects which helped the organization in cost saving
• Configured various Splunk monitoring dashboard and alerts setup for better maintenance of Prod and lower environments
• Responsible for configuring and troubleshooting Jenkins pipelines, GIT and Artifactory issues Responsible for build and deployment automation using Docker containers and Ansible Responsible for customizing CI tools to meet company policies and Security standards.
• Provided environment web support in terms of problem identification and defect resolution with quick turnaround for highly critical applications.

Client: AxisBank

• Installations of WAS/IHS/Weblogic/OHS/ApacheTomcat/Httpd/JBOSS along with plugins for various env's ,Configurations ,clustering ,federations ,fixpacks,deployments ,security, SSL creations and renewals , troubleshooting issues & fixes
• Analyze and help resolve the infrastructure and application server problems Administration
• Web and App infra support
• Configuring of JDBC Providers, Data Source, Virtual Hosting and Global Security, SSL Implemented horizontal and vertical clustering, Workload Management (WLM) to make an application Highly Available.

Client: ICICI Bank

• Installations of WAS/IHS/Weblogic/OHS/Apache Tomcat/Httpd/JBOSS along with plugins for various env's
• Configurations,clustering ,federations ,fixpacks,deployments ,security configurations
• SSL creations and renewals , troubleshooting issues & fixes
• Analyzed problematic areas to provide recommendations and solutions