Middleware Engineer with 12+ Years Experience

VISHWA KAMINENI Phone: +1-916-***-****

Email: ******.**********@*****.***

Summary:

12+ years of IT Experience in Middleware administration/support, Infrastructure monitoring, alerting and troubleshooting.

Expertise in Installation, Configuration, Migration, Troubleshooting and maintenance of BEA WebLogic Server 8.1/10.x,12c, Websphere, IBM HTTP Server,Coldfusion, Siteminder Policy Server, IBM Directory Server, Apache Web Server and IIS.

Installed, configured, and supported Apache Tomcat 8.x/9.x in large-scale RedHat Linux clustered production environments, ensuring high availability and performance.

Supported and administered Oracle SOA Suite environments deployed on WebLogic, ensuring reliable service integration and middleware performance.

Administered and supported enterprise integration platforms including MuleSoft Anypoint Platform and BizTalk Server, managing runtimes, host instances, adapters, message flows, and environment promotions across DEV, QA, and PROD.

Designed and implemented CI/CD pipelines using Jenkins integrating Git-based repositories and automated deployment workflows.

DNS URL / CNAME / Load Balancer requests Matches JD infrastructure tasks.

Supported enterprise transaction processing middleware environments, ensuring reliable execution of high-volume business transactions across JBoss, WebLogic, and integration platforms while troubleshooting transaction failures and performance bottlenecks.

Worked with Oracle Service Bus (OSB) for service integration, routing, and message transformation within enterprise middleware architecture.

Working in different platforms such as Linux, UNIX and Windows operating systems and familiarity with AWS and Azure Cloud environments.

Worked with GitHub/GitLab for source control, branching strategies, and pipeline integrations.

Deployed and managed containerized applications on RedHat OpenShift/Kubernetes, managing Pods, Services, ConfigMaps, Secrets, and rolling deployments.

Autosys weekly/monthly reboot jobs Matches automation requirement.

Installed, configured, and administered JBoss EAP in clustered Linux environments, managing standalone and domain modes, datasource configurations, JMS queues, security realms, and deploying EAR/WAR applications across DEV, QA, and PROD environments.

Migrating of Domains and applications from WebLogic 8.x/9.x to WebLogic 10.3/12c and from Solaris to AWS Cloud Environment.

DB2 Y8 certificate creation Matches security/certificate management.

Provided 24x7 L2/L3 production support for APIs and integration services, troubleshooting API failures, suspended messages, orchestration errors, connector timeouts, and performing detailed Root Cause Analysis (RCA) within SLA.

Implemented observability and monitoring using Dynatrace, Splunk, and AppDynamics, enabling proactive detection of application and infrastructure issues.

Performed JVM tuning and performance optimization (Heap sizing, GC tuning, thread pool configuration, connector tuning – maxThreads, connectionTimeout) to handle high-traffic workloads.

Expertise in using Shell scripts in creating scripts for various activities like Generating Server Status and Health reports, Deployments, creating WebLogic domains on large scale, configuring servers.

Managed and administered Domains, Nodes, and Instances in BEA WebLogic server.

Solid experience in deploying the applications on multiple WebLogic Servers and maintaining Load Balancing, Failover and High Availability.

Configured and administered JDBC, JMS, JNDI and Node Manager to administer the Managed Servers in WebLogic Application Server.

Ability to define System hardware requirements, analyze capacity and made appropriate modifications as per application design and better performance.

Extensive experience in configuring and managing secured environments using SSL certificates.

Familiarity with security best practices, SSL/TLS, authentication (LDAP, SSO), and compliance standards.

Proficiency in monitoring and performance optimization using tools like AppDynamics.

Exposure to cloud hosting and containerization (Docker, Kubernetes) for middleware workloads.

Hands on experience in Web sites configuration in load balance environment and various security zone like DMZ and Semi-private zone.

Extensive Experience in configuring and troubleshooting the middleware environment on Big F5 for Redundancy and High availability.

Designed, deployed, and supported complex UNIX/Linux middleware and application platforms, ensuring stability and performance for GPP, GCP, Total Payments, and their underlying infrastructure.

Working with various Monitoring Tools such as BMC Patrol, Sitescope, AppDynamics, Dynatrace, Splunk and SolarWinds for monitoring application/web servers and DB monitoring of Oracle/SQL server while providing 24/7 on-call support.

Performing Disaster Recovery tasks during DR Drill Process

Working with various ticketing tools such as BMC remedy, Service Now, Jira, HP Service center, HP Quality Center and HP Service manager.

Technical Skills:

Platforms

UNIX (AIX, Solaris), Linux& Windows

Web Technologies

JDK 1.4/1.7/1.8, J2EE, EJB 2.0, JDBC, JNDI, JMS, XML, HTTP

Web/Application Servers

BEA Weblogic Server 8.1/9.0/10/12, Websphere 8.5, Websphere Liberty, Apache Tomcat, Apache 2.x, IBM HTTP Server, ColdFusion and IIS

Languages

C,C++, Visual Basic, SQL

Tools/Software

Toad, MS Visio,Hummingbird, Sitescope, Big F5, 3DNS,HP Service Center/Manager, BMC Remedy, ServiceNow, JIRA

Scripting Languages

Shell,WLST, Python,Ant and JavaScript

Databases

Oracle 10g/11g, DB2, Sybase, SQL server and MS Access.

Professional Experience:

Sun Life Financial Jan 2014 – Current Date

Sr Middleware Analyst

Responsibilities:

Installing IBM Directory Server and installing and configuring siteminder policy server and siteminder webagent on UNIX and Linux servers.

Provided 24x7 L2/L3 production support, troubleshooting IIS application pool crashes, JBoss JVM/thread issues, MuleSoft API failures, and BizTalk suspended messages/orchestration errors; performed detailed Root Cause Analysis (RCA) to maintain SLA compliance.

Chef JSON configuration Matches configuration management.

Gained hands-on experience with Terraform for infrastructure provisioning and environment setup in cloud platforms.

Managed Oracle Fusion Middleware stack including WebLogic, SOA Suite, and integration services in enterprise environments.

Developed Python and Shell scripts for automation of middleware health checks, deployment validation, and log analysis.

Integrated Tomcat with F5 Load Balancers and Apache HTTPD/NGINX, coordinated DNS URL and CNAME creation, and raised LB requests during production go-live activities.

Used Maven/Gradle for build automation and dependency management in Java-based applications.

Monitored end-to-end transaction flows and application performance using Dynatrace and Splunk, performing transaction tracing, latency analysis, and root cause investigation to maintain system stability and SLA compliance.

Installed, configured, and administered IIS, JBoss EAP, MuleSoft Anypoint Platform, and BizTalk Server across DEV, QA, and PROD environments, managing clustered deployments, application hosting, runtime configurations, adapters, and secure integrations.

Familiarity with Apache Kafka concepts including topics, producers, and consumers.

Deployed and configured integration applications (MSI packages, Mule artifacts), managed receive/send ports, API gateway policies (OAuth 2.0, SSL/TLS), and ensured secure communication across enterprise systems.

Deployed and managed containerized Apache Tomcat applications on RedHat OpenShift, configuring Deployments, Services, Routes, ConfigMaps, and Secrets to support environment-specific application requirements.

Break Glass access before Go-Live Matches production release governance.

Provided L2/L3 production support for JBoss applications, troubleshooting thread dumps, heap dumps, connection pool exhaustion, JVM memory leaks, and server startup failures; performed performance tuning and Root Cause Analysis (RCA) to maintain high availability and SLA compliance.

Monitored integration and document processing services using Splunk, Dynatrace, and AppDynamics, resolving performance bottlenecks including memory utilization issues, thread contention, and queue backlogs.

Implemented performance tuning and security hardening across middleware platforms, including SSL/TLS configuration, certificate management, connection pooling optimization, monitoring integration with Splunk/Dynatrace, and automation of deployments to improve system stability and uptime.

Used Devops tools like Ansible, Bitbucket, Jenkins and Artifactory to install and configure middleware products such as Weblogic, Websphere and Siteminder & CDD to do deployments of applications.

Installation and configuration of middleware components such as Weblogic,Websphere, Coldfusion,Siteminder and IBM Directory Servers.

Supported Adobe Document Generation API / AEM Forms integrations, troubleshooting document rendering failures, template mapping issues, authentication errors, and ensuring secure API connectivity for automated PDF workflows.

Performed Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools and taking Thread dumps and analyzing to find the problems in application.

Worked closely with other teams to troubleshoot and to ensure an error free deployment across the Dev, UAT,Stage and Prod environments.

Automated deployments, health checks, and restart procedures using Shell scripting, Ansible, and Autosys, including weekly and monthly scheduled server reboots.

Monitor systems using tools such as Splunk and Dynatrace, analyze logs, and follow established incident response protocols to resolve issues

Experience in migrating middleware components from Solaris to AWS Cloud.

Responsible for installation, administration and monitoring of WebLogic 11g/12c Application Server on AWS Linux.

Troubleshoot end-to-end application issues including blank page errors, authentication failures, load balancer issues, and SSO-related problems

Work closely with infrastructure, middleware, and application teams to ensure system stability across cloud AWS, Azure, and on-prem environments.

Supported CI/CD-driven container builds and OpenShift deployments, performing rolling updates, pod scaling, health checks, and troubleshooting pod startup, image pull, and configuration-related issues in production environments.

Perform configuration tuning, system enhancements, and reliability improvements as part of ongoing projects.

Implemented SSL/TLS security hardening, keystore/truststore configuration, LDAP/SSO integration, and managed certificate renewals including DB2-related certificates.

Responsible for setup, Installation, configuration and Administration of IBM WebSphere Application server 8.x

Deployed enterprise J2EE applications (EAR files) on WebSphere.

Created WebSphere cells, Horizontal and Vertical clusters, and azdded new cluster members.

Configured WebSphere resources including JDBC providers, JDBC data sources and connection pooling.

Prepared, updated, and maintained technical documentation, architecture/design documents, operational runbooks, and RFP responses in alignment with enterprise standards.

Solid understanding of SSO, load balancing, and application authentication flows

Experience with automation and scripting and integration with CI/CD pipelines.

Extensive Experience in configuring and troubleshooting the middleware environment on Big F5 for Redundancy and High availability.

Experience troubleshooting complex application and infrastructure issues across multiple environments.

Participate in Disaster Recovery planning and exercises.

Provided end-to-end system and application support, including proactive monitoring, troubleshooting, root cause analysis (RCA), and timely incident resolution to ensure high availability and performance.

Environment: Weblogic Server 11g/12c, Websphere 8.5,Websphere ND, Websphere Liberty, IBM Http Server, Coldfusion 10/12/2016, Shell, BitBucket, Jenkins, AWS, Azure, Ansible, SiteMinder12.5/12.8

Fresenius Medical Care, MA Jan 2011 – Dec 2013

Application Support Engineer/BO Administrator/Developer

Responsibilities:

Involved in designing, developing and maintaining new and existing universes using Business Objects Universe Designer.

Created complex WebI and DeskI reports for Business Users.

Managed Servers, Server Groups, Folders, Objects, Universes, Connection applications from CMC and CMS.

Provided 24/7 production support and rotational night coverage, performing root cause analysis (RCA), thread/heap dump analysis, and participating in Disaster Recovery (DR) drills.

Working on application security set up, performance improvement and scalable solutions for clinic roll out of eCube Financials.

Provide training and documentation on eCube Financial and Clinical applications to other support teams.

Provide application support to eCube Fincancials and eCube Clinicals

Involved in migration and deployment of Crystal reports in Soarian Siemens Financials across different environments.

Involved in project planning for up gradation of Soarian Siemens Financials from 3.3 to 3.3.100.

Published and Scheduled Crystal Reports through CMC.

Generated 15000 Quality Status Reports in a single day for Report Bursting using Instant Analyser.

Imported existing users, groups, categories, WebI documents, connections, universes and restrictions to BO XI environment using Import Wizard.

Responsible for scheduling the reports on a daily, weekly and monthly basis.

Created and modified, existing Batch scripts accordingly.

Provided 24/7 Production Support role to resolve the Issues.

Environment: SAP BO XI3.1/R2, Crystal Reports R2/2008, Web Intelligence, DeskI, Xcelsius 2008,Qaaws,SAP BW 7.3, Siemens Soarian Financials, eCube Clinicals, SQL Server 2005/2008, Oracle10g, DB2,Teradata, MS Office, Windows XP/2000.

Education:

Bachelors in computer science, Osmania University, India

Contact this candidate