SUMMARY:

• Around 7+ years of diversified experience in IT Industry inclusive 5+ years of experience in Middleware Administration.
• 5+ years of experience in Oracle WebLogic 7.x/8.x/9.xx/10.xx, 12c Installation, Configuration, Administration, and maintenance.
• 3+ years of experience in cloud technologies such as Docker, Kubernetes, AWS.
• Providing support for all the cloud components for day - day services in cloud Implementations.
• Setting up virtual private cloud environment in development, production, and staging.
• Excellent record of accomplishment in Setting up of Managed Servers, Data Sources, Virtual Hosts, configuring Clusters.
• Deployed various Images, WAR, JAR, EAR and J2EE applications on managed servers and in clustered environment using console or auto deployment scripts in staging and production.
• Working with teams managing infrastructure, networking, and application development to forecast capacity, scaling and demand
• Maintaining various cloud components which includes storage, database, messaging systems and management tools.
• Deployed and orchestrated the applications with Kubernetes.
• Experience in writing docker commands for managing image files, environments, and container/pod settings.
• In depth knowledge in Configuring and troubleshooting WebLogic Server.
• Proficient in Bourne Shell scripting and performance tuning of UNIX systems with proven skills in Unix System Administration.
• Deployment of application using automated tools such as SWM, Chef and Jenkins.
• Well verse with AWS components such as ECS, EC2, S3, API Gateways, SNS, SQS, Kinesis, Firehose, RDS, CloudWatch and CloudFormation
• Working knowledge of WebLogic Portal Administration including content management and user management.
• Configured and administered Connection pools for JDBC and JMS connections.
• Experience in installation and configuration of JBOSS Application Server.
• Expertise in migration and upgrading of Web Logic Server and updating JDK versions and installing Service Packs of Web logic server.
• Expertise in the Administration, Installing, Configuring Web Servers like Oracle Http Server, Apache 2.0, Sun ONE 6.1 Web Server (iPlanet), Apache Tomcat 6.0, Microsoft IIS Server.
• Vast experience in configuring multiple Web logic domains including machines, manage servers, node managers and clustered environments.
• Successful implementations of Workload Management (WLM) using cloning and clustering techniques including Horizontal and Vertical Cloning for failover and backup/recovery processes.
• Proven ability to define System requirements, recommending solutions, analyze capacity and makes appropriate modifications.
• Experience in designing, configuring, administration and deploying the high performance of DNS, NFS, NIS, NIBS+, AUTOFS and DHCP.
• Well versed with Sun Solaris, Red Hat Linux and Windows XP/NT/2000.
• Extensive experience in managing WebLogic server in a 24x7 production environment.
• Extensive hands-on experience with WLST (WebLogic Scripting Tool) and UNIX Shell Scripts for various WebLogic Server tasks, monitoring statistics and running them as Cron jobs.
• Expertise in configuring Node Manager to administer the Managed servers.
• Extensive experience in finding Memory Leaks and tuning the JVM heap size by configuring optimize IT and JProbe to detect memory leaks.
• Involved in doing a performance benchmark of WebLogic server by using Load Runner.
• Configured and handled JMeter and monitored the performance of production J2EE components such as EJBs, JSPs and Servlets.
• Working towards RedHat and AWS Sys Ops Administrator certification.
• Quality Interpersonal, Presentation and Communication skills and ability to maintain good co-ordination with the team members.

TECHNICAL SKILLS:

Operating Systems: Red Hat LINUX, Solaris, Windows 98/2000/NT/XP/7.

Programming Languages: C, C++, JAVA/J2EE, C#, Visual Basic, SQL, PL-SQL

Application Server: Oracle WebLogic Server 10.3/9.2, and 12c, Apache Tomcat

Web Server: Apache 2.x, Oracle Http Server, Sun ONE 6.x, MS IIS server 6.0, IBM-HTTP

Cloud Technologies: AWS, Docker, Kubernetes, Docker swam and Docker Compose

J2EE Technologies: Servlets, JSP, JDBC, RMI, JMS, JTA, JNDI, JMX, EJB, Applets and swing components, AWT.

Web Technologies: JDK 1.7/1.6/1.5/1.4, HTML, XML, DHTML, MSXML, ASPX

Networking & Protocols: Wily Introscope, JMeter, Mercury Load Runner, Grinder. Oracle Service Bus

Database: Oracle 11g/10g, MS SQL Server 2000, Sybase, PointbaseMy SQL, MS Access and DB2, hbase, Cassandra, Hive, Graph/TitanNetworking & Protocols TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP.

PROFESSIONAL EXPERIENCE:

Middleware Application/Production Support

Confidential, Richardson, Texas

Responsibilities

• Installation and configuration of Virtual Machines across all data centers.
• Working on container orchestrators such as Kubernetes, Docker.
• Created cluster by defining manager and worker nodes using kubernetes.
• Created cloud environment from scratch.
• Created Cassandra database cluster. Defined various Cassandra nodes and their roles.
• Handling deployment and scaling of various pods/containers using kubernetes.
• Troubleshooting various services such as Service Discovery (Zookeeper), streaming (Kafka), messaging (ActiveMQ), feed management (Falcon), database (Hadoop, Hive, hbase, Cassandra), batch processing (oozie).
• Deployment of application using automated tools such as SWM, Chef and Jenkins.
• Writing Dockerfiles for creating images and managing containers.
• Installation of monitoring tools such as Nagios, Splunk.
• Performing various administrator operations such as provisioning, managing, monitoring and creation of alerts for Hadoop clusters using Ambari.
• Modifying network interfaces, configuration of files and run level for servers
• Configured, deployed, and involved in troubleshooting of VMs.
• Installed, updated, and configured Ansible on all the servers.
• Activities include user administration, startup, and shutdown scripts, Crontabs, file system maintenance and backup scripting and automation using shell scripting (BASH, KSH) and Perl for Red Hat Linux systems.
• Installation and configuration of various server packages and libraries.
• Extensive working experience on load balancer for site migration activities and traffic redirection.
• Involved in all major releases happening for the new upgrades.
• Deployment of applications on the Tomcat and ATT java service container(AJSC).
• Integration of application with Web server and Database.
• Writing/Modifying existing scripts to automate manual jobs.
• Build tools for automating deployments and for executing test plans.
• Working on BMC Remedy Ticketing Tool.
• Work on a variety of systems covering a complex assortment of Cluster software (OpenStack, Kubernetes, Containers, Network switches, Storage solutions, etc.) and hardware configurations.
• Monitor application, servers, and database for any critical alerts.
• Supporting and Migrating VM’s to Open stack cloud environment.
• Installation and configuration of SSL Certificates on tomcat key store.
• Performance/utilization monitoring of all production instances, in physical, virtual, and cloud environments.
• On boarding application onto portal and interfacing it other applications.
• Log files analysis for Apache logs, application logs, docker logs and database logs.
• Providing24x7 on-call support for production / non-production environments.

Technologies: Java, Microservices, Graph/Titan databases, Gremlin, Hbase/Cassandra, Docker, AJSC, DME2, DMAAP, SWM, Chef, Jenkins, Maven, BMC Remedy, Nexus, Nagios, Splunk, AOTSTM, Ansible, Apache Ambari

Confidential

Duties and Responsibilities

• Installed and configured WebLogic Application Server 10.3.3/10.3.5 in production, testing, development, and UAT and LE environments.
• Working on various applications which provide support to the billing Environment.
• Providing support to Production, UAT, Development environments.
• In charge of creating system installation manual, Disaster recovery manual, System wellness check manual and System trouble shooting manual.
• Deploying the Applications in Clustered Environments.
• Experience in installation, configuration, Deployment, and management of enterprise applications using Apache and Tomcat 7 server
• Performing WebLogic Server hanging and Crash issues.
• Active participation in troubleshooting the issues irrespective of the time.
• Monitoring the WebLogic Server and Deployed applications.
• Creating and Maintaining procedures and documentation for ongoing support and upgrades.
• Involved in all major releases happening for the new upgrades.
• Hands on experience in migrating Apache from 2.2 to 2.4 and Tomcat from 6x to 7.0
• Handle work and Change Requests and Incidents.
• Created many SQL queries to store and pull up the data in the database.
• Working on BMC Remedy Ticketing Tool.
• Hands on experience on Multiple applications by monitoring and maintaining them in Development, QA, Staging and Production Environments
• Developing and implementing solutions to monitor and troubleshoot production outages using case sentry and scripts.
• Deploying applications in Tomcat environment.
• Worked on setting up the new Virtual machines from scratch by installing all the required software’s
• Creation of SSL - X.509 certificates and configuring them with WebLogic Server Instances.
• Creation of SSL on Apache Tomcat 7 and generate the certificates using OpenSSL.
• Configuration of LDAP Server on WebLogic Server to provide the Group and Roles Management outside WebLogic Server.
• Development and implementation of WLST Scripts and shell scripts for various administration tasks.
• Activities include user administration, startup, and shutdown scripts, Crontabs, file system maintenance and backup scripting and automation using shell scripting (BASH, KSH) and Perl for Red Hat Linux systems.
• Troubleshooting the issues in the production environment.
• Troubleshooting issues with Apache Tomcat.
• Performing disaster recovery tasks during the DR exercise.
• Working closely with the firewall, and network team to perform technology refresh.
• Shell Scripting to automate tasks on Solaris and Linux and automated jobs.
• Developed scripts for automatic startup and shutdown of Admin Server and Managed Servers.
• Created Crontab scripts for timely running jobs.
• Configured and administered of JDBC, JMS, JNDI, and SNMP in WebLogic Server
• Working closely with the IT security team and close out the open items from the security assessments.
• Installed Eclipse (Java based development tool) to develop the applications.
• Performed WebLogic Portal Administration tasks as portal management, content management and user management
• Perform retail readiness and performance tasks for system availability and scalability.
• Working with vendors to apply necessary patches to the middleware (Oracle WebLogic, JBOSS and Apache Web Server) products.
• Involving in On Call support for the Production environment on rotation basis.

Technical Environment: WebLogic 12c/11g10.3.3/9.2, Apache Web server, Apache Tomcat, IIS, Oracle Fusion Middleware 11g, Oracle Enterprise Linux 5.x, Hyperion 11g, Oracle Discover 11g, SOA 11g, IDM 11g, Oracle Load Testing, ODI 11g, Oracle Http Server, UCM 11g, JBOSS, OID

WebLogic/Middleware Admin

Confidential (Irving, Texas)

Duties and Responsibilities

• Installed and configured WebLogic Application Server 10.3.3/10.3.5 in production, testing, development, and UAT and LE environments.
• In charge of creating system installation manual, Disaster recovery manual, System wellness check manual and System trouble shooting manual.
• Responsible for mapping the physical environment for the project.
• Created sample LDAP queries for the development team.
• Performed capacity planning exercise.
• Gave inputs to the development team about performance issues in WebLogic server.
• Creation of SSL - X.509 Certificates and to configure them of WebLogic Server Instances.
• Configuration of LDAP Server on WebLogic Server to provide the Group and Roles Management outside WebLogic Server.
• Development and implementation of WLST Scripts and shell scripts for various administration tasks.
• Implementing Oracle Web Services Manager security in securing OSB services.
• Monitor service bus health.
• Implement service bus high availability.
• Tuning the performance of the OSB runtime and incorporating service lifecycle governance.
• Developing and implementing solutions to monitor and troubleshoot production outages using case sentry and scripts.
• Deployment of Java J2EE application in production environments.
• Participating in the hardware and software procurement to support the growth.
• Sharing best practices with the development teams.
• Perform disaster recovery tasks during the DR exercise.
• Working closely with the firewall, and network team to perform technology refresh.
• Working closely with the IT security team and close out the open items from the security assessments.
• Perform retail readiness and performance tasks for system availability and scalability.
• Working with vendors to apply necessary patches to the middleware (Oracle WebLogic, JBOSS and Apache Web Server) products.
• Involve in On Call support for the Production environment on rotation basis.

Environment: WebLogic 10.3.3/9.2, Oracle Fusion Middleware 11g, Oracle Enterprise Linux 5.x, Hyperion 11g, Oracle Discover 11g, SOA 11g, IDM 11g, Oracle Load Testing, ODI 11g, Oracle Http Server, UCM 11g, OID, Jrockit- 1.6.

Weblogic/ Middleware Administrator

Confidential (Chicago, IL)

Duties and Responsibilities:

• Installed, configured, and maintained WebLogic Server 8.x.
• Well versed with Shell Scripts for Unix System backups monthly, yearly, and annual.
• Involved in Installation and configuration of MS-Exchange 5.0 and 5.5 based messaging systems for internal use and for POP3, SMTP and HTTP access.
• Wrote Korn and Bourne Shell scripts for High Availability and for user management across the platform.
• Implemented creation of Server groups and clusters in WebLogic Server.
• Experience with the formation and management of clusters using Netscape Enterprise Server.
• Implemented standard backup procedures for both application DB and WebLogic 8.x. backup of configuration files.
• Typical communication models involved were PTP (point to point) and pub/sub.
• Problem determination using local error logs and by running user traces and service traces.
• Documenting design procedures and test plans.

Environment: JDK1.2, J2EE, JSP, Servlets, EJB, LDAP, JDBC, JMS, XML, Oracle, WebLogic Server 8.x, Apache1.4, Ant1.5.1, Win2K, Solaris, Linux, and CVS.

Systems/Web Administrator

Confidential

Duties and Responsibilities:

• Installation, Upgrades, and patch maintenance for Tomcat Server.
• Monitoring tools/scripts to get important information from all of department’s servers operating system and application patch level, disk space and memory usage, users activities on day-to-day basis.
• Configuring individual servers for different environments.
• Monitor servers and applications for errors and performance problems with server monitoring tools.
• Tune application and operating system and hardware for optimal performance and general JVM tuning.
• Responsible for application changes across different platforms - development, testing and production environments.
• Develop and maintain configuration manuals, procedure manuals and standards for Tomcat servers.
• In a 24x7 support role with substantial knowledge and experience to include deployments, tuning, maintenance, and upgrades.
• Used various security roles for maintaining security realms in staging and production environments.
• Used basic Perl scripting to automate the system.
• Managing the User accounts and assisting users on the applications.

Environment: Tomcat 3.x, J2EE, JDK1.2/1.3, JNDI, JDBC, JSPs, HTML, SQL, Oracle 7.x, WebLogic 7.x, J Builder 3.5.