SUMMARY

• Around 7 years of IT industry experience in Systems Administration in Solaris, Linux and Windows environment with emphasis on WebLogic Application Server 10g/11g/12c, Oracle SOA Suite 11g, IBM WebSphere Application Servers 6.x/7.x/8.x, JBoss EAP 5.x/6.x, Apache Tomcat 4.x/5.x/6.x and Apache 2.x/2.2.x.
• Installation, configuration and support of J2EE applications hosted primarily in Weblogic Application Server 10g/11g/12c.
• Extensive experience in Installation, Configuration, Migration and Administration on Oracle Fusion Middleware products like WebLogic/OAM/OID/OVD/OES/SOA in Red Hat Linux 5.x/6.x.
• Extensively worked on Oracle SOA Suite administration, installation, configuration, tuning and customization.
• Extensive experience on Administration and deployment of business process integration using Oracle SOA - Fusion Middleware.
• Experience as DevOps Engineer in automating, building, deploying, and releasing of code from one environment to other environment.
• Experience in the domain of Identity and Access Management with expertise in Oracle Identity Manager (OIM), Oracle Access Manager (OAM), Oracle Data Integrator (ODI), Oracle Internet Directory (OID), Oracle Virtual Directory (OVD), MS active directory and their integration with OIM.
• Extensive experience in Oracle Identity Management suite of products Oracle Identity Manager (OIM), Oracle Access Manager(OAM), Oracle Entitlement Server(OES), Oracle Internet Directory (OID), Oracle Application Server Single Sign-On (SSO), Oracle Enterprise Single Sign-On (eSSO) and Oracle Identity Federation (OIF).
• Experienced in Security Infrastructure Design, Authentication and Authorization and Business Application integration, custom-built security and technology frameworks.
• Experience in AWS Cloud platform and its features which includes EC2, S3, AMI, EBS, Cloud Watch, VPN Servers.
• Experience in AWS cloud environment’s and also familiar with EC2 (IaaS), Cloud Watch and Elastic IP’s and managing security groups on AWS.
• Managing AWS Infra and automation with CLI, API. Managing DATA Center Inbound and outbound services.
• Implementing a Continuous Delivery framework using Jenkins, Maven in Linux environment.
• Installing and configuring Jenkins, Installing plug-in, configuring security, creating a master and slaves for implementation of multiple parallel builds.
• Experience in working on source control tools like GitHub (GIT), Subversion (SVN).
• Maintained and administered GIT source code tool.
• Proficient in Oracle Fusion Middleware SOA Administration, Java, Oracle Database 11g.
• Hands on Experience on OIM, OID, OVD and OAM 11gR2 PS2, PS3 versions.
• Integrated BI Publisher with OIM. Scheduled reports and bursting as per the requirement in BI Publisher.
• Involved and Implemented various Application architecture designs, WebServer and Weblogic Application Server load balancing techniques (Horizontal and Vertical Clustering), Weblogic Global Security (LTPA mechanism), SSL (Mutual Authentication), Single Sign-on using OAM and SiteMinder.
• Configured JDBC connections, JMS server, JTA, JNDI, SNMP and Node Manager to administer the Managed Servers in WebLogic Application Server.
• Knowledge on automate application builds, deployments and system configuration using Jenkins, Ansible.
• Production support web support and consultation forWebLogic/WebSphere, MQ Series Messaging, and SunOne WebServers running on Solaris 8, Solaris 10 and RHEL 4 operating systems.
• Automating build using in different environments using Jenkins.
• Worked with multiple DevOps methodologies and tools Continuous Integration (CI) / Continuous Delivery tools (Jenkins) Infrastructure.
• Expert in using Jprobe to identify the memory usage, leaks and analyzing the Garbage Collection and configuring the right GC parameters for better performance.
• Configured global security for WebSphere Application Server using IBM Directory Server as LDAP user registry and configured SSL for LDAP communication.
• Install and configure MQ Series queue managers, queues, channels, clients on Windows and UNIX/Linux platforms.
• Strong expertise in installation, configuration, development, deployment and testing in integration projects using TIBCO products. Strong experience in TIBCO Administration.
• JMS Configurations - JMS Server, Connection Factory, Foreign JMS server, Message Bridge, Topic/Queue, Distributed destinations.
• Networking communication skills and protocols such as TCP/IP, NFS, DNS, LDAP, DHCP, NTP and SMTP.
• Creation of SSL - X.509 Certificates and to configure them of Weblogic/WebSphere Server Instances.
• Experience in WLST and ANT scripting to automate and monitor theWebLogicroutine tasks.
• Extensive experience with Web Servers administration which includes installation, configuration of Apache 2.x/2.2.x, IIS 6.0/7.0, iPlanet 6.x/7.x.
• Installed and configured OAM, OIM, OID, OVD and ODI Server and integrated with WebLogic Application Server 11g.
• Proficient in (Korn & Bourne) Shell scripting and performance tuning of sUNIX systems.
• Involved in writing shell scripts, Perl, JACL, Jython and ANT for automating monitoring process.
• Experience in Web Services architecture in SOAP and WSDL, administering BigIP.
• Worked closely with Project manager, Development, Testing, Pre-Production and Production teams to align project deliverables within due dates and reporting issues.
• Ability to effectively prioritize and handle multiple tasks and projects utilizing IT process knowledge and full System Development Life Cycle (SDLC).

TECHNICAL SKILLS

Operating Systems: RedHat Linux 5.x/6.x, Solaris 10/11, AIX 5.3, Windows 2008/2012.

Scripting: WLST, Python, ANT, Shell Scripting.

Databases: Oracle 9i/10g/11g, UCM 11g, MySql 5.x, SQL Server 2005/2008

WEB/APP Servers: Oracle WebLogic Application Server 9.x/10.x/12.x, Oracle SOA Suite 11g, OAM 10g/11g, OID 10g/11g, OVD 10g/11g, OIM 10g/11g, Oracle Coherence Server, JBoss Application Server 6.x/5.x, IBM WebSphere Application Server /6.x/7.0, Apache Webserver 1.3/2.2.x, IBM HTTP Server 1.3.28/1.3.26.2, Tomcat 6.0/7.0s, IIS 7.0.

Network Protocols/Services: TCP/IP, UDP, HTTP/HTTPS, SMTP, IMAP, POP3, NIS, NIS+, NFS, DNS, and DHCP.

Tools: Remedy, Putty, FileZilla, Winscp, MS Office Suite, OneNote, Text Pad, SVN, VMware.

Continuous Integration and Configuration Tools: DevOps, Docker, ANT, Maven, GitHub, Jenkins, Bitbucket, Artifactory, Ansible.

Cloud Platform: AWS

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

DevOps Engineer

Responsibilities:

• Performed WebLogic Server 11g/12c server administration tasks such as Installation, Configuration, Monitoring and Performance Tuning.
• Installed OAM 10g components such as webgate, webpass, policy manager, identity server, access server.
• Good experience on authentication and authorization polices implementation with OAM 11gR2 PS2.
• Installed 11g Web gate Agents with OAM 11gR2 PS2 and configure OAM SSO with different web applications.
• Application Roles and Groups. Authorization policy on application roles and groups.
• Protected several applications including OIM with Oracle Access Manager (OAM) for SSO.
• Experience in setting of High Availability and clustering for Oracle SOA suite.
• Installed and configured Apache 2.0/2.2.x, Oracle HTTP Server (OHS) webservers in Test, Pre-Prod, Production environments and proxies the same with Weblogic application server using plug-ins.
• Deployed applications in WAR, JAR and EAR formats in Domain and Clustered environments of WebLogic/WebSphere Application Server.
• Involved in deploying the content Cloud platform on Amazon AWS using EC2, S3, and EBS.
• Working on customers builds scalable, resilient, and high-performance applications and services on AWS.
• Creating the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system.
• Installed and Configured Oracle HTTP Server, Apache 2.2/2.2.x HTTP and IBM HTTP servers and integrated them with Weblogic and WebSphere Application Servers using Plug-ins.
• Configured and deployed Cache Coherence for WebLogic servers on various environments.
• Experience in deployment in SOA, creation of Data sources, JMS destinations, securing web services in Oracle Identity Manager.
• Experience in performance tuning of Oracle SOA suite.
• Configured and created JMS Queues, Topics, Connection Factories, Data sources, Connections pools & Multi connection pools.
• Involved in performance tuning of JVM and used Garbage collection Algorithms for better performance.
• Provided load/stress, Performance testing and trouble shooting on issues such as Out of Memory, 100% CPU Usage, hung Thread sessions, session replication, JVM Crashes
• Created Cron jobs and shell scripts to take regular thread dumps and log rotations.
• Creating the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system.
• Installed/Configured/Managed Jenkins CI Automation.
• Partially administered GIT and Subversion (SVN) which are the version control systems used in enterprise.
• Worked on continuous integration and deployment using Jenkins, GitHub, Artifactory.
• Integrated Git into Jenkins to automate the code check-out process.
• Deployed the applications on multiple WebLogic Server and maintained Load balancing, High availability and Fail over functionality.
• Installed, configured the Network Deployment Manager, Nodes and Application Servers, and federated multiple Application server nodes to the Deployment Manager.
• Worked on Tuning the Weblogic and WebSphere Application Server, Applications and WebServers by changing the Heap Size parameters and tuning JVM’s Garbage Collector.
• Handled Server Hang, Deadlock, Application level lock, Database level lock by taking thread dump and analyze to get the root cause for the hang.
• Handled Memory issues, application leak or WebLogic leak or SUN JAVA bug by tuning and profiling the memory with third party tools.
• Extensively used Verbose GC for garbage collection and tuning Heap size to reduce memory leak.
• Significant Knowledge of A10 Load Balancer with Web servers to provide scalability and reliability.
• Created SSL and Digital Certificates for requesting, generating and implementation for the communication between web server and the Application Server.
• Provided active support for Load/Stress Testing, Troubleshooting and Performance Tuning.
• Wrote Python Scripts, Shell Scripts to deploy the java based packages like ear and war on the WebLogic App server.
• Utilized the Weblogic.Admin utility for retrieving and analyzing the Thread dump information, finding the WebLogic’s Server state information, license information, storing user credentials etc.
• Managing and Monitoring the JVM performance byWebSphereHeap Size, garbage collection, JDBC Pools using AppDynamics.
• Configured SSL for IBM HTTP Server using IKeyman utility provided with the Http Server.
• Created users, roles and assigned them to appropriate groups.
• Extensively used WebLogic Scripting Tool (WLST) to access runtime information and connect to administrative server.

Environment: WebLogic Application Server 10g/11g/12c, Oracle Access Manager (OAM), Oracle Internet Directory (OID), Oracle Virtual Directory (OVD), Oracle Identity Manager (OIM), Oracle Data Integrator (ODI), Oracle BI Publisher, OSB, IBM WebSphere Application Server 7.x/8.x, TIBCO, Amazon Web Services(AWS), AppDynamics, LDAP, SOAP UI, Shell scripting, Python, Jenkins, Artifactory.

Confidential, Charlotte, NC

Middleware Administrator

Responsibilities:

• Installed and configure JBoss, WebLogic, and Apache Tomcat, Apache and other J2EE software products and fixes on Linux/Windows/Unix platforms.
• Installing and Configured WebLogic & JBoss, Domains and Clusters.
• Administered and Implemented CI tools Hudson and Jenkins for automated builds.
• Managing and Monitoring the JVM Performance by adjusting WebLogic & JBoss heap size and garbage collection parameters.
• Installing and Configured SOA Suite, WebLogic 10.3.x. Servers, Oracle Service Bus Domains and Clusters.
• Used Work Managers to dispatch policy for EJB and web applications.
• Setting the JVM parameters like maximum and minimum heap size in WebLogic & JBoss startup scripts.
• Installed, configured and propagated Apache HTTP server and its Plugins for managed and unmanaged nodes.
• Highly experienced in Migration of Weblogic & Jboss from Windows platform to Linux platform.
• Configured Apache to proxy the backend Jboss domains over HTTPS for secured communication.
• Configured log4j according to client threshold requirements.
• Configured Siteminder Web Agents on Apache webserver in Linux.
• Configured SM Web agents for the Oracle LDAP Policy Server.
• Extensively worked on BEA WebLogic 9.x, 10.x Server, Apache HTTP Server, Apache Tomcat Server as administrator for Server Installations, Configuration, Application components deployment, performance tuning including troubleshooting and maintenance.
• Expertise in deploying web, enterprise, Coherence applications in Weblogic.
• Involved in the upgrades of SiteMinder version 4.x to 5.5 and 5.5 to 6.0.
• Must possess working experience of doing capacity planning for Oracle SOA suite with other integration technologies.
• Result Oriented EAI Enterprise Application with Oracle Fusion SOA products (BPEL, OSB, Mediator, Adapters, AIA, SOA Server) 10.x and 11.x.
• Installed, configured, administer and monitor BPEL, ESB, and WSM.
• Involved in designing SOA interfaces with BPEL and ESB for different applications.
• Fine Tuned the JDBC Connection Pools Initial and Maximum Capacity to the same value in production systems to avoid creating new connections on the fly during load spikes.
• Interacted with Development Teams for Application Architecture changes, with respective to WebLogic & JBoss configurations.
• Worked Load Balancers team to configure BIG IP F5 Load Balancers, VIP and integrated with Apache web server.
• Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
• Well experienced in creating and renewing SSL Certificates using Open SSL and Java keytool.
• Maintained Queues, Topics, in Weblogic & Jboss JMS Server.
• Used Wily Introscope monitoring application tool to detect and respond to problems, before an end user is even aware that a problem exists.
• Involved in migration BEA Weblogic 9.2 version to 10.3, performing patch upgrades, SP (service pack) installations & SSL certificates renewal.
• Well experienced in creating and renewing SSL Certificates using OpenSSL and JAVA Keytool.
• Created Cron jobs and shell scripts to take regular thread dumps and log rotations.
• Involved with troubleshooting the Applications to detect and eliminate the Memory Leaks.
• Monitoring idle thread count, garbage collection, EJB Beans and JDBC pools on WebLogic & Jboss Server.
• Automated and scheduled backups on all UNIX machines using shell script.
• Developed Bash and Python Scripts for the manual deploying the code to the different environments and updating the team after the completion of the build successfully.
• Writing UNIX shell scripts (start & stop) for web application server administration.
• Monitored and administered WebLogic Server Instances with WLST scripting and by creating the Python scripts.
• Scripting tools like Python/Shell to automate build and deployment Process.
• Performed Disaster Recovery by replicating server components from PROD to DR container and brought applications from DR Container.
• Creating new file system, permitting user to mount file system, monitoring free space, disk usage, locating files, checking & clearing log files, administration and monitoring of disk based file system.
• Provided 24x7 on-call support for production/non-production environments.

Environment: WebLogic Application Server 9.x/10.x, Oralce SOA Suite, OSB, Oracle Coherence Server, Jboss 4.x/5.x, Coherence Server, IBM WebSphere MQ 6.0, TIBCO, WLST, F5, Wily Introscope 7.x, ANT, Perl, SAN, BPM Remedy, Solaris 10, Windows 2008, iPlanet WebServer 6.0, Apache 2.2, SunOne Directory Server 6.x, Agile, J2EE, XML, Oracle 10g/11g, UCM 11g, Shell scripting, Python, Jenkins.

Confidential, Torrance, CA

Weblogic Administrator

Responsibilities:

• Installed and configured WebLogic Application Server on Sun Solaris and Linux and also created user roles and groups for securing the resources using local operating system authentication.
• Responsible for installation, configuration and maintenance of J2EE applications on WebLogic Application Server in a multi clustered high availability environments.
• Installation, Configuration and deployment of WebSphere MQ and MQ Software Products.
• Deployed Applications (WAR, JAR, and EAR) in Domain and Clustered environment.
• Install, configure, patch, and tune WebLogic, JVM, Apache, and related middleware components.
• Starting, stopping and clearing the cache of WebLogic servers.
• Support life cycle environments including development, QA, staging and production.
• Deploying and configuring in various environments like Production, Staging and Testing on a single Server and a cluster of Servers Also I used to trouble shoot the deployment issues.
• Proficient in deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments of WebLogic Server.
• Experience in WebLogic utilities such as WebLogic Admin, WebLogic Deployer.
• Install and configure MQ Series queue managers, queues, channels, clients on Windows and UNIX/Linux platforms.
• Troubleshooting performance issues using the Log messages and Log files.
• Coordination of all system management activities including software upgrades, capacity planning, and performance monitoring and tuning.
• Configured and maintained the WebLogic Load balancing Clusters.
• Configured of JDBC connections and data sources with Oracle database server 8.x troubleshooting and fixing up problems.
• Support to Oracle UCM as a webcenter content provides leading edge in management needs.
• Participating in the Change Management Process, providing information regarding the consequences of changes, and supporting the completion of approved changes.
• Monitors systems capacity and performance, plans and executes disaster recovery procedures, and provides Tier 2 technical support.
• Monitored the error logs, fixing the problems and tuning parameters on WebLogic environment.
• Responsible for installation, configuration and management of a network environment
• Maintained and upgraded essential hardware, system patches and software.
• Designs and implement infrastructure from specifications.

Environment: JDK1.4, J2EE, JSP, Servlets, EJB, LDAP, JDBC, JMS, BMC Remedy, Oracle9i, WebLogic Server 9.2, BEA AquaLogic User Integration 6.1 Portal, WebLogic portal, BIG-IP-F5 LB, PHP, IIS, Sun Web Server 6.0, BMC patrol, Apache2.0, Ant1.5.1, Win2K, Unix-AIX, Clearcase.