Senior Middleware Administrator and Consultant

Venkatesh Bhuma : +1-732-***-****

SENIOR CONSULTANT : *******.********@*****.***

https://www.linkedin.com/in/venkatesh-bhuma-194b7912b/

Professional Summery:

•Around 10 years of IT experience in Analysing, implementation and maintenance of WebLogic, IBM WebSphere Application Server, OHS, IIS, Apache server, Administration and build & deployment tools. Involved in supporting production applications by coordinating between different teams, Solving environment related issues.

•Strong experience in Middleware Administration on Production, Development and in testing environments. Handling all the aspects of administration tasks such as day-to-day site Monitoring and Maintenance, Installation, Configuration, Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance of WebLogic Server 10g/11g/12c/14c.

•Familiar with Oracle Forms deployment utilities and configuration in Fusion Middleware.

•Familiar with Oracle Service Bus concepts including service virtualization, transformations, and mediations. Hands-on experience can be quickly extended given my Oracle Fusion Middleware expertise (WebLogic, OHS, Forms, SOA integrations).

•Collaborated with Oracle Forms development teams for deployment and troubleshooting in 12c environments.

•Supported and maintained multiple WebLogic 11g servers to ensure high availability and reliability of J2EE applications, minimizing downtime through effective clustering and failover strategies.

•Utilized OEM to monitor performance metrics, including CPU usage, memory utilization, and database response times, resulting in a 20% improvement in system performance and reliability.

•Utilized OEM’s diagnostic tools to identify, analyse, and resolve performance and configuration issues, improving overall system stability and performance.

•Worked on UNIX, Solaris for a Support project writing shell scripts to automate monitoring of supported applications.

•Upgradation of WebLogic servers in dev, testing and prod environment and applying patches.

•Installed Apache Webserver and configured with WebLogic server by using WebLogic plugins. Involved in configuring DB with WebLogic.

•Administered and configured IBM WebSphere Application Server environments, ensuring optimal performance, reliability, and security for enterprise applications.

•Led the deployment of Java EE applications on WebSphere, including configuration of application servers, data sources.

•Good at Server Performance Tuning, monitoring the Logs and Troubleshooting.

•Conducted performance tuning and optimization of WebLogic servers and J2EE applications, improving response times and overall system performance.

•Experience in deploying EAR, WAR and JAR files on WebLogic Server Cluster environments.

•Configuration of JDBC connections and data sources with Oracle database server troubleshooting and fixing up problems.

•Proficient in BMC Remedy for incident, change, and problem management, and experienced in BMC BladeLogic Server Automation for patching, configuration, and deployment tasks across large enterprise environments.

•Solid understanding and practical experience with core network infrastructure concepts including HTTP/S, TCP/IP, DNS, TLS, Load Balancers, firewalls, proxies.

•Experience in installation and configuration of Oracle HTTP server 12c in various platforms.

•Configuration of SSL for Oracle12c and 11g HTTP server.

•Applied best practices for middleware and messaging security, including SSL/TLS configuration, cert management, user authentication and role-based access control.

•Integration of Oracle HTTP server with WebLogic server using Plugin configuration.

•Experience in installation and configuration of Apache Tomcat in various platforms.

•Integration of Apache server with Apache Tomcat server using mod_jk and mod_proxy.

•Configuration of SSL for Apache Tomcat and Apache HTTP server.

•Expertise in Installation and Configuration of Apache HTTP Web server.

•Managed and configured Internet Information Services (IIS) for hosting .NET applications, ensuring optimal performance and high availability.

•Configured security features in IIS, including SSL certificates, authentication methods, and access controls to protect web applications from threats.

•Supported SSL certificate lifecycle management on F5 LTM/GTM in coordination with network teams, including renewals, validation, and post-change testing for production applications.

•Experience in closing the vulnerabilities on Application and Web servers.

•Involved in 24/7 on-call support for production environment and UAT environment.

Technical Skills:

•Cloud Technologies : Google Cloud Platform, AWS, Azure

•Infrastructure as a Code: Terraform

•CI/CD : GCP Cloud Build, GitHub Actions

•Oracle Fusion Middleware Stack: WebLogic Server, Oracle Forms 12c, Oracle HTTP Server, Oracle Reports

•App Servers : WebLogic 10.3,12C,14C, IBM Websphere8.5, Jboss EAP 6.x,7.x, Apache Tomcat

•Operating system : Unix, Red hat Linux, Windows

•Web server : Apache Web server, Oracle HTTP Server, IIS

•Tools : SSH, PUTTY

•Ticketing Tools : Service Now, ITSM

•Monitoring Tools : OEM, Dynatrace, AppDynamics, Quality kiosk

Education Qualification:

•B. Tech (Computer Science Engineering) From JNTUK in 2014.

Project Details:

Client: Toyota April 2024-Till now

Environment: WebLogic AppServer 10.3,12C,14C, IBM WebSphere 8.5, OHS webserver, IIS, JBOSS EAP6.4, Microservices, Apache Webserver, Oracle10g, Linux AWS and Apache Tomcat, AWS, GCP, Terraform, Docker, Kubernetes.

Role: Sr Middleware Admin/Sr Application Support Engineer

Responsibilities:

•Responsible for administration & configuration of WebLogic, Jboss in different environment.

•Involved in the installation of different versions of WebLogic servers, OHS web servers on Windows, Linux, Aix and Solaris environments.

•Managed WebSphere Application Server (WAS) environments, ensuring high availability and performance through effective configuration and tuning.

•Managed and maintained Linux (RHEL, AIX, Solaris) and Windows environments, ensuring optimal system performance, patch compliance, and security.

•Deployed, configured, and monitored Java EE applications on WebSphere, leveraging features such as clustering and load balancing for optimal scalability.

•Implemented security measures in WebSphere, including SSL configurations, user authentication, and role-based access controls.

•Designed and implemented infrastructure as code using Terraform to provision and manage Google Cloud Platform resources.

•Developed and maintained Infrastructure as Code (IaC) using Terraform and Google Cloud Deployment Manager, streamlining resource provisioning and management.

•Established and maintained GitHub Actions pipelines in accordance with enterprise CI/CD standards for middleware applications.

•Managed dynamic inventories and secrets securely using Ansible Vault and integrated Ansible with CI/CD pipelines.

•Established security best practices for GCP environments, including IAM roles and policies, VPC configurations, and data encryption.

•Provisioned cloud resources on Google Cloud Platform (GCP), including Compute Engine, Cloud Storage, and Kubernetes Engine, ensuring optimal performance and cost efficiency.

•Configuring WebLogic domains and Jboss domains for new environments.

•Configuring cluster for load balancing and for high availability.

•Deploying applications, configuring JDBC connection pools, Data Sources etc.

•Led the deployment and configuration of J2EE applications on WebLogic 11g servers, ensuring adherence to best practices for scalability and security.

•Developed and deployed middleware workloads using Docker, creating custom images for WebLogic, Apache, and Tomcat-based applications.

•Provided support for all applications in hardening, UAT, Production, non-production, DR and Fallback environments.

•Monitoring and tuning for performance for APP servers.

•Configure WebLogic Servers in a Cluster environment solution for High Availability, Load balancing and fail over support.

•Troubleshooting and monitoring the WebLogic application servers for Performance by tuning JVM heap size and garbage collection.

•Developed and maintained custom Splunk dashboards, alerts, and reports to monitor infrastructure and application health in real-time.

•Configured ELK stack for centralized log management and analysis of middleware applications.

•Resolved issues related to HTTP/S traffic, handling SSL/TLS certificates and configuring secure communication for web applications and services.

•Managed SSL configurations in Tomcat to secure applications, including certificate generation and installation processes.

•Set up and maintained DNS servers and DNS records for efficient domain resolution, ensuring high availability and minimal downtime.

•Performed the analysis of Logs and Thread Dump and JVM Memory usage and gave recommendations for better performance of the clustered Web logic environment.

•Installed Jboss on Unix environment. Deployed application using deployment scanner, console, CLI to the standalone and domain based Jboss instances.

•Having handgrip on setting up highly available clustered Jboss application server environment using multiple standalone instances and domain managed servers.

•Having experience in configuring deployment in standalone mode.

•Integration of apache server with Jboss application server using mod_jk, mod_cluster, mod_proxy plugins.

•Managed and executed IBM MQ upgrades and patches, ensuring minimal downtime and disruption to operations.

•Conducted performance tuning of IBM MQ instances to optimize throughput, latency, and resource utilization.

•Regularly analyzed key performance metrics, including queue depth, message throughput, and channel activity, to proactively identify and resolve potential bottlenecks.

•Utilized IIS logs, event viewer, and diagnostic tools to perform root cause analysis and implement effective solutions to restore service availability.

•Managed user accounts and permissions within IIS

•configuring access control lists (ACLs) and roles to ensure appropriate access levels for administrators and users.

•Performed capacity planning for IIS environments, ensuring adequate resources to handle increasing web traffic and application demands.

•Involved with the vendors and support teams in troubleshooting and fixing day-to-day problems of the applications in production.

•Designed and implemented interactive Grafana dashboards to visualize application performance metrics and system health, enhancing data-driven decision-making.

•Integrated AppViewX with public/private Certificate Authorities (CAs) to ensure seamless certificate management.

•Monitored SSL/TLS certificates to prevent outages and security risks using the AppViewX automation platform.

•Wrote advanced Splunk SPL queries to generate KPIs, error rate trends, and performance metrics.

•Provided 24/7 basis on call support for production.

•Having experience in installing and troubleshooting the TOMCAT.

•Creation of wrapper & automated scripts for large number of tomcat servers and Micro services.

•Having good experience in deploying application to TOMCAT sever.

•Experience on Closing the vulnerabilities and mitigations which occurred on WebLogic App, Tomcat, apache and OHS web server.

Client: ICICI BANK LTD, India Nov 2020-Feb 2024

Environment: WebLogic AppServer 10.3,12C,14C, OHS webserver, IIS, Apache Webserver, Oracle10g, Linux AWS and Apache Tomcat.

Role: Sr Middleware Admin/ Sr Application Support Engineer

Responsibilities:

•Responsible for administration & configuration of WebLogic in different environment.

•Involved in the installation of different versions of WebLogic servers, OHS web servers on Windows, Linux, Aix and Solaris environments.

•Experience in installation, configuration, and troubleshooting of Oracle Fusion Middleware components across environments (UAT, PROD, DR).

•Configuring WebLogic domains for new environments.

•Configuring cluster for load balancing and for high availability.

•Comparing and syncing the standard WebLogic parameters with prod to DR servers.

•Deploying applications, configuring JDBC connection pools, Data Sources etc.

•Developed and deployed containerized applications using Kubernetes, leveraging core concepts such as Pods, Deployments, and Services.

•Established automated CI/CD pipelines using Azure DevOps/GitHub Actions for seamless deployment of applications to AKS.

•Built and supported CI/CD pipelines for Oracle Forms applications using GitHub Actions.

•Built and managed Docker images for microservices architecture, ensuring consistent and reproducible application deployments.

•Provided end-to-end infrastructure support for Cards and Payments applications, ensuring high availability, low latency, and compliance with regulatory requirements.

•Collaborated with application and security teams to deploy and secure middleware platforms for mission-critical banking and payments services.

•Provided support for all applications in hardening, UAT, Production, non-production, DR and Fallback environments.

•Configure WebLogic Servers in a Cluster environment solution for High Availability, Load balancing and fail over support.

•Troubleshooting and monitoring the WebLogic application servers for Performance by tuning JVM heap size and garbage collection.

•Performed the analysis of Logs and Thread Dump and JVM Memory usage and gave recommendations for better performance of the clustered Web logic environment.

•Involved with the vendors and support teams in troubleshooting and fixing day-to-day problems of the applications in production.

•Provided 24/7 basis on call support for production.

•Conducted root cause analysis and provided effective solutions for incidents involving MQ errors or failures.

•Installed and configured IBM MQ Linux, Windows servers ensuring optimal performance and security.

•Implemented security measures, including SSL/TLS for message encryption, and managed user access controls using IBM MQ's security features.

•Designed and implemented message routing and queuing solutions to support complex application integration scenarios.

•Designed and optimized queues, exchanges, and bindings to support scalable and reliable message delivery across distributed systems.

•Designed and implemented highly available RabbitMQ clusters with mirrored queues for fault tolerance and load balancing.

•Monitored and tuned RabbitMQ performance using tools such as RabbitMQ Management Console, Prometheus, and Grafana for real-time metrics and alerts.

•Integrated RabbitMQ with Microservices, and middleware platforms to enable asynchronous communication.

•Having experience in installing and troubleshooting the TOMCAT.

•Creation of wrapper & automated scripts for large number of tomcat servers.

•Having good experience in deploying application to TOMCAT sever.

•Experience on Closing the vulnerabilities and mitigations which occurred on WebLogic App, Tomcat, Apache and OHS web server.

•Administered IIS 8/10 on Windows Server 2012/2016 for enterprise .NET applications.

•Configured SSL, bindings, authentication, and ACLs in IIS.

•Performed IIS log analysis and troubleshooting application pool crashes.

•Managed and optimized multiple IIS web servers for high-availability applications.

•Expertise in troubleshooting IIS issues, including performance tuning and security configurations.

•Provided support for SSL/TLS-related issues, including troubleshooting certificate errors, configuration problems, and connectivity issues.

•Worked with network teams supporting SSL certificate renewals on F5 LTM/GTM devices for enterprise applications, ensuring uninterrupted secure traffic flow.

•Conducted regular performance tuning, monitoring, and health checks of Oracle RAC environments using tools like Oracle Enterprise Manager (OEM) and SQL Performance Analyzer.

•Worked on SQL queries and database objects (views, procedures, triggers) for troubleshooting and performance optimization in Oracle DB.

•Involved in application data migration projects (backup/restore, schema migration, validation of large datasets).

•Having experience in closing the vulnerabilities and mitigations at Application servers and Web servers’ level.

Client: BNP Paribas, India SEP 2017 to Nov 2020

Environment: WebLogic App Server 10.3,12C, Apache Web server, Oracle10g, Linux, Jboss Eap 6.2, Tomcat App Server.

Role: Middleware Admin.

Responsibilities:

•Managed all Application-Server related activities such as deployments, monitoring and tuning in the Non-Prod and Production Environments.

• Configure WebLogic Servers in a Cluster environment solution for High Availability, Load balancing and fail over support

•Setting up multiple domains, including Administration Servers, Managed Servers, Machines, Node managers in different cluster environments.

•Deploying JAR, WAR and EAR Applications on various targeted clustered environments.

•Involved in Configure JDBC Connection Pools, and Data Source.

•Involved in Monitoring all the WebLogic resources like Admin and Managed Servers, Clusters, Machines, Node manager and JMS components

•Implementing the WLST scripts to automate the environments.

•Installation of Apache web server and making the connectivity with application servers.

•Investigating on the issues and fixing them. In case of Runtime issue, gathering runtime files like thread dumps, core dumps then analyse them and finding the root cause analysis.

•Installing SSL certificates and forwarding requests to application server securely.

•Command, Console and Script Based Administration of WebLogic Server.

•Provided on call support for the client on 24/7 basis.

Client: Hetero Drugs, India March 2015 to August 2017

Environment: WebLogic App Server 10.3,12C,14C, Apache Web server, Oracle10g, Linux, Jboss Eap 6.2, Tomcat App Server.

Role: Middleware Support Engineer.

Responsibilities:

•Have experience in installing WebLogic 11g,12c & 14c using GUI, Silent.

•I have experience in deployment of WAR, EAR through Admin Console and Involved in different Deployment modes of WebLogic.

•Configuration of WebLogic Application Server to external database for Oracle.

•I have experience in Domain Creation, configuring Machines and Node Managers in WebLogic Development and production Environments.

•I have experience in configuring Apache Web Server with WebLogic Application Server by using mod_wl.

•Responsible for deploying applications and configuring data sources and troubleshooting issues relating to the server and data sources in WebLogic.

•Configuring the SSL certificates at WebLogic servers and Apache servers level.

•Installing and configuring of Apache Tomcat

•Deploying of WAR files in Apache Tomcat.

•Involved in Configuring of Apache tomcat with mod_jk.

•Trouble shooting issues related to application slowness, out of memory issue.

•Involved in problem determination using application and error logs.

•Worked on LINUX command line utilities and has hands on experience on LINUX commands to support to support the environment.

•Troubleshooting various problems in different stages of development by using Catalina logs files.

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