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Web Admin Engineer Resume

Manhattan, NY

SUMMARY:

  • 7+years of experience in the IT industry with 6 years of extensive experience in Middleware technologies Oracle WebLogic suite/JBOSS/Tomcat and Web servers Apache/IIS/SunOne.
  • Expertise in Installation, Configuration, Trouble - Shooting and Maintenance of BEA WebLogic Server 7.0/8.1/9.x/10.x/11g//12c, JBOSS 4.x/5.x/6.x, Tomcat, iplanet Web Server, Apache Web Server on different UNIX flavors and environments.
  • Expertise in Software Configuration Management (SCM) including, Build and Release, Base/UCM ClearCase, Subversion (SVN), GIT Implementation, Process implementation, Software Integration, Administration, ClearQuest, ClearCase Automation design and Coding.
  • Expert in Perl, shell scripting and build automation tools ANT, Maven and MS Build development in UNIX, Linux and Windows environment.
  • Experience in Configuration and release management in DevOps support model using tools such as Puppet and Chef.
  • Good Experience on Configuration, Administration and Maintenance of CI/CD tools Jenkins/Hudson, Buildforge.
  • Vast Experience building, deploying, troubleshooting and maintaining web based applications in a continuous integration/continuous build environment
  • Create Chef Recipes, automation tools and builds, and do an overall process improvement to any manual processes.
  • Used SonarQube as a feeding source For dynamic languages like JavaScript, PHP, Python
  • Involved in configuration using Jenkins
  • Experience in Apache ActiveMQ, RabbitMQ, IBMMQ, Software AG Webmethods and Cloud Technologies, AWS.
  • Experience managing API Gateways using CA Layer 7
  • Good Knowledge on Configuration, Administration and Maintenance of CI tools Jenkins/Hudson, Buildforge.
  • Exeperience on VM Ware.
  • Experience with Apache/HTTPD, and Active Directory.
  • Managed servers on the Amazon Web Servicies (AWS) platform instances using Puppet, chefconfiguration management.
  • Used Grep, VI, and tools for troubleshooting
  • Strong exposure on CI and Nightly builds setup for Agile software development methodology process, on Jenkins/Hudson, Teamcity, CriuseControl .Net, Buildforge
  • Extensive experience in Installation, Configuration and Troubleshooting of ApacheWeb Server, Sun One iPlanet Web Server, IBM HTTP
  • Hands on experience on administrative tools like Administration Console, WLST and Command line interface.
  • Highly motivated and committed DevOps Engineer experienced in Automating, Configuring and deploying instances on AWS, Azure and Rackspace cloud environments and Data centers, also familiar with EC2, Cloud watch, and Elastic IP's and managing security groups on AWS.
  • Automated WAR deployment procedure in production environment running on Jboss EAP 6.4 using Perl script.
  • Designed scripts to automate Splunk forwarder maintenance and alerts.
  • Experience in migrating source code repositories from between various version control systems like SVN to Git.
  • Created and maintained various DevOps related tools for the team such as provisioning scripts, deployment tools, and development and staging environments on AWS, RackSpace and Cloud.
  • Expertise in configuring and tuning JMS, JDBC. Managing Security: creating new security realms, groups. Knowledge of updating and configuring SSL Certificates to Web Server & Application Server
  • Develop and configure of Continuous Integration (CI) scripts for releases and enhancing / maintaining to suite the request from teams across the organization.
  • Experince with monitoring and management tools like NAGIOS, Splunk
  • Experience in deploying JAVA projectsusing MAVEN/ANT and JENKINS
  • Experience in build automation using JENKINS, MAVEN, ANT
  • Experience in deploying EJBs, J2EE Applications (JAR, WAR, EAR), monitoring the Application servers, and Web server configuration, troubleshooting performance issues using the Monitoring Tools, Log messages and Log files
  • Configured Clusters, Load Balancers, Highly Available and Scalable solutions & Web Server plug-in for WebLogic application server. Experience in Performance Tuning and Capacity Planning
  • Configured multiple Weblogic Domains which includes NodeManagers and Managed Servers in multifarious environments
  • Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters
  • Experience in working with development teams to troubleshoot server related application issues, performance issues and application performance tuning
  • Expertise in using WLST, ANT& Jython Scripting for Automation, Configuration, Deployment and Runtime Environment changes
  • Hands on experience in complete Software Analysis and SDLC.Experience in profiling Java applications using tools such as JProbe, Optimize IT etc. Expertise in deploying applications in Production, maintaining Documentation and support Best Practices
  • Well versed with UNIX (Sun Solaris), Red Hat Linux, IBM AIX and Windows

TECHNICAL SKILLS:

Web/Application Servers: BEA/Oracle Weblogic Server 8.1/9.x/10.x/11g/12c, IBM WebSphere 6.1/7.0, SunOne iPlanet Web Server 6.1, Apache, Tomcat, JBOSS 4.x/5.x/6.x

Integrateddevelopment: Eclipse2.3, Rational Application Developer7.0, Microsoft Visual Studio

ProgrammingLanguages and Scripts: Shell scripting (Korn, bash),PYTHON,JACL/JYTHON, Java, Servlets, JDBC, JSP, ASP, Enterprise Java Beans, XML, XSL, Python,DOM& SAX Parsers, SSO, JBOSS, JNDI, IIOP,JMS, LDAP

Databases: Oracle 8i/9i/10g/11g/12c, SQL Server/DB2

Build Tools: MAVEN, ANT

DevOps Tools: Puppet, Chef, Subversion (SVN), GIT

Cloud Services: AWS

Scripting Languages: Jython, Shell Scripting, JavaScript, HTML

ContinuousIntegration Tools: Jenkins/Hudson, Anthill Pro, Bamboo

Bug tracker&Testing: JIRA, Bugzilla, Redmine, Junit, Test Flight, and Test Rail

SDLC: Agile, ScrumMethodologies, Waterfall

Project Management Tools: MS Project, Atlassian Tools

Operating System: UNIX, Linux, HP-UX, Solaris, IBM AIX and Windows NT/2000/XP

PROFESSIONAL EXPERIENCE:

Confidential, Manhattan, NY

Web Admin Engineer

Responsibilities:

  • Build and implementation of new middleware components such as JBoss, WebSphere, Tomcat, F5 (BIG-IP), WebSEAL/ISAM, IIS, Apache, etc.
  • Work and Perform JBoss Server administration tasks such as provisioning, installing, configuring, monitoring and performance tuning on Linux Environments
  • Configure Java J2EE applications on JBoss clusters, applications setup enabling vault mechanisms to setup vault for passwords encryption and decryption
  • Implement security On JBoss to use specific SSL, TSL protocols to support java applications.
  • Configure multiple security domains to establish client mutual auth, ESB auth, MQ auth on JBoss so the J2EE JVM's could support and communicate to enterprise wide applications (internal and external).
  • Responsible for project handover to the Web operations team with hand over documentation from a Web infrastructure perspective.
  • Work as Web Platform Engineer for Confidential 's prestigious application known as MasterPass which is used as payment processing source from vendors like apple, visa and discover.
  • Provide end to end technical/engineering support for Confidential applications.
  • Work with TAM (Tivoli Access Manager) and IBM ISAM (Security Access Manager) to configure additional layer of security, so all the requests from internet will be routed to F5 which in turn will be routed via ISAM/WebSEAL devices to F5/JBoss backend’s depending upon the technicality of application architecture
  • Worked on configuring work to Build WebSEAL's, Configure WebSEAL instances, create ACL's and attach those to WebSEAL objects to establish authorization/authentication between hosted applications.
  • Work with BIG IP F5 to configure LTM Vip's, vServers, monitors, iRules, http/https profiles, client/server ssl profiles, persistent store profiles.
  • Perform F5 ASM relaxations to allow/block specific traffic, data, request oriented, file size patterns to serve requests via F5 Hardware.
  • Create ssl profiles and configure client and server ssl profiles to establish communication between the F5's and the backend WebSEAL/Apache/JBoss hosts.
  • Implement complex security integration utilizing MSSL, mutual authentication, hardware certificates, software certificates, dynamic endpoints, and other security models.
  • Install/Deploy applications on to the JBoss clusters via console mode, script based mode and also via CI/CD tools such as Jenkins, Puppet and Chef.
  • Implemen ActiveDirectory on Joss via configuring security realm under management realms to establish SSO on JBoss.
  • Deploy jdbc drivers and configured Datasources on JBoss 6.x to support Oracle, MSSQL, DB2 and Teradata databases.
  • Configure JGroups modules on JBoss env to enable cross cluster communications.
  • Work with standalone-ha model of JBoss to configure various java resources necessary for the JBoss container.
  • Work with various sam2handlers to establish IDP and SP Authentication to process SAML requests and responses on JBoss EAP 6 versions.
  • Configure mod proxy, mod jk on Apache 2.2/2.4 to establish communication from web tier to app tier and also enabled forward/reverse proxy passes to redirect calls the external applications.
  • Work on load balancer migrations from Netscalar to BIG IP F5.
  • Good understanding of various levels of DMZ's with in the network to identify the traffic for routing mechanisms and also to analyze the firewall and troubleshoot connectivity issues across the Network.
  • Collaborate with Development teams to discuss, analyze, or resolve application and usability issues and suggest to engage the Technology Engineer's for any new requirements which are not defined in standard architecture design document (TAD).
  • Participate in the project's environment shakedown testing and troubleshooting efforts as required.

Confidential, Los Angles, CA

Systems/ DevOps Engineer

Environment: Oracle Weblogic Server 7.x/8.x/9.x/10.x/12c;IBM WebSphere MQ V5.x/6.x/7.x, IBM Websphere 7.x/8.x, IIS,Jboss application servers 4.0.x, 5.1.x, 6 and Tomcat 5.x,6.x,7.x, IBM Http Server v6.1, CA Wily Introscope 8.x, Apache WebServer, Sun One Directory Server, Maven, Chef, Hudson, AWS, Ansible, SVN, Puppet, SOLARIS, AIX 6.1, Azure,Java, IBM APPSCAN, Jenkins, Visual Studio, Oracle WebCenter Content,Docker,XML, JDBC, Oracle 10g, Nagios, Splunk, Shell, Jython Scripting and wsadmin.

Responsibilities:

  • Extensively worked on administration of Oracle WebLogic 11g /12c Application Server.
  • Participated in design discussions with data architects and application architects.
  • Modified and mapped data from source to destination databases fields as per user requirements.
  • Installing, configuring and administering a large number of clustered web application servers( JBoss Enterprise application Platform, JBoss EWS, Tomcat, Glassfish) hosted on RHEL/Windows platforms
  • Used F5 load balancing to increase capacity (concurrent users) and reliability of applications.
  • Created and maintained several different configurations for Confidential , including Base Server, Network Deployment, Clustering, two node agents, and one agent.
  • Configured JDBC connections, JMS servers and security settings for Confidential .
  • Confidential part of a tem to migrate from websphere 7 to websphere 8 application servers.
  • Installed, configured and administered and integrated Apache Web Server with the WebLogic Application Server for load balancing.
  • Experience in applying patches and plug-ins for JBoss Application Server.
  • Managed and monitored the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools and Multi pools.
  • Used Azure as a database services in the cloud
  • Experience on CI and Nightly builds setup for Agile software development methodology process on Jenkins/Hudson.
  • Used Devops, Ansible Puppet and Gerrit.
  • Worked with Atlassian tools like Bamboo & Jira.
  • Developed processes, tools, automation for Jenkins and DevOps based software for build system and delivering SW Builds.
  • Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
  • Used Nagios to identify and resolve IT infrastructure problems in various components including applications, services, servers and network protocols.
  • Using various AWS technologies like EC2, ELB, Cloudformation, S3, AMI - setup an environment that can be easily automated and scaled as per requirements.
  • Used IIS as a Web server to responds to the requests from the browser.
  • Automated the Deployment process of various WAR, JAR, and EAR applications in clustered environment using ANT scripts and automation tool Meistar.
  • Generated Ant, Maven, Perl & UNIX scripts for build activities in QA, Staging and Production environments
  • Used Visual Studio in a preview version to development of complex projects
  • Used web server to store, process and deliver web pages to clients
  • Used PL SQL to handle exceptions (runtime errors)
  • Automated the process of deployment to Weblogic Application Server by developing Perl Script
  • Worked closely with all application teams in identifying any kind of issues to make sure new environment is 100% stable and we are 100% ready for migrating to Cloud.
  • Used Oracle WebCenter Content as a ECM tool.
  • Manage configuration of Web App and Deploy to AWS cloud server through Chef.
  • Working with infrastructure team to deliver environments for each project release on time.
  • Used Docker to provide an additional layer of abstraction and automation of operating-system-level virtualization on Linux
  • Good experience with IBM WebSphere Application Server ND V5.1/6.x/7.0/8.5.
  • Configured WebLogic JMS Configurations - JMS Server, Connection Factory, Foreign JMS server, Message Bridge, Topic/Queue, Distributed destinations.
  • Configured WILY Introscope for monitoring on all the Application wsdl's and instances on Production.
  • Worked on Apache Active MQ, RabbitMQ, IBM MQ Software AG WebMethods and Amazon Webservices, Cloud Technologies
  • Installed configuration of Puppet infrastructure for automation.
  • Used Jenkins for continuous integration and generated artifacts from the source repository..
  • Troubleshooting and fixing the issues occurred during the deployment of Java applications and EJB components.
  • Installed and configured of JBoss EWS and mod jk load balancing in a reverse proxy environment
  • Implemented & maintained the branching and build/release strategies utilizing Subversion/GIT .
  • Performed all necessary day-to-day Subversion/ GIT support for different projects.
  • Responsible for design and maintenance of the Subversion/ GIT Repositories, views, and the access control strategies.
  • Configured Splunk alerts for complete Infrastructure monitoring.
  • Written Chef Cookbooks for various DB configurations to modularize and optimize end product configuration, converting production support scripts to Chef Recipes and AWS server provisioning using Chef Recipes.
  • Involved in database connectivity using JDBC Database and Connection pools. Managing and Monitoring the JVM performance by analyzing Heap Size, garbage collection, JDBC Pools on JBoss.
  • Setup and managed Cron jobs, batch processing and job scheduling using shell scripts.
  • Work on Web Security tools- LDAP Server, SSL Certificates and client authentication.
  • Used Wily for understanding Heap and thread behavior of application.
  • Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance.
  • Knowledge in writing scripts to back up the configuration files and to remove the older log files using cronjobs.
  • Have a good Working knowledge on Nagios and Splunk Monitoring tools.
  • Analyzing the log files, taking thread dumps, JVM Dumps and Exception stack traces
  • Expert in creating SSL certs and renewing certificates
  • Knowledge in writing scripts to back up the configuration files and to remove the older log files using cronjobs.
  • Involved in on-call support for major applications that involved troubleshooting issues in application components, application servers, web servers, load balancers and DNS aliases.
  • Worked as a part of 24/7 on-call support for production and non-production environments.

Confidential, Charlotte, NC

Devops/ Middleware Admin

Environment: Oracle WebLogic 8.x/9.x/10.x/11g/12c, Scrum,JDK 1.3/1.4/1.5, JRockit 8.1, Apache 2.x, Tomcat 6.0/6.1,Visual Studio,Sun One/ iPlanet, IIS 6, DevOps, Solaris 8,9,Azure, Red Hat LINUX, Windows 2003, F5 Load balancer, Siteminder, Nagios, JMX, IBM Appscan, Oracle 8i/9i, JDBC,Perl,AWS,LDAP,Docker, subversion, EJB, JSP, Servlets, XML,MS Office, OpenSSL, Secure SSH.

Responsibilities:

  • Installed and configured WebLogic Application server 11x/12c using graphic and silent mode and configured Weblogic domain
  • Determined and suggested hardware and software specific to the System and customized as per the requirements.
  • Generated reports with IBM Appscan with intelligent fix recommendations to ease remediation
  • Configured Node Manager for running managed servers
  • Worked with the management team on Puppet
  • Installed and configured Apache HTTP Server 2.0, Tomcat 6.0, IIS 6 and Sun One Web Servers in various environments.
  • Installed and configured plug-ins for Apache HTTP server and Sun One Web server to proxy the request for WebLogic server.
  • Experience in analyzing the proxy server log in comparison with WebLogic logs to narrow down the malformed request.
  • Performed migration and upgraded WebLogic server 9.x to WebLogic 10.x/11x and to the recent version 12c.
  • Developed Puppet Modules for installation &.Auto healing of various CI & CD tools like Jenkins, Nolioagents, MSSQL, Nexus etc. these modules are designed to work on both windows and Linux platforms.
  • Converted production support scripts to Chef Recipes and AWS server
  • Updated JDK’s and installed service packs and patches for WebLogic Server.
  • Worked on Oracle Fusion 11g architecture making most of the investment in applications.
  • Also installed, configured and administered JBOSS 6.0 server in various environments.
  • Used Devops, Ansible Puppet and Gerrit
  • Used centralized configuration for multiple servers in JBOSS domain mode.
  • Using Python Scripting in DevOps users to model and manage the entire application from load balancers to database.
  • Experience in Batch-Scripting for automating and reducing the time taken for everyday tasks.
  • Used Azure for cloud computing.
  • Deployed web and enterprise applications on JBoss application server.
  • Developed processes, tools, automation for Jenkins and DevOps based software for build system and delivering SW Builds.
  • Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
  • Used Nagios to identify and resolve IT infrastructure problems in various components including applications, services, servers and network protocols.
  • Deployed various J2EE and enterprise applications (WAR, JAR, RAR, EAR) on managed servers and cluster environment, maintained Load Balancing, High Availability and Failover.
  • Created bash and ksh scripts to monitor domains, recycle clusters, monitor disk space, number of Apache connections, and ran them as cronjobs for timely running programs.
  • Configured JNDI as repository for EJB Home stubs, JDBCdata source, JMS connection factories, queues and topics.
  • Configured and administered JDBC Connection pools/multi pools/ data sources on WebLogic server.
  • Hosted web Application on multiple IIS servers under a load balancer
  • Used IIS as a web server to respond to the requests from the browser.
  • Used mvsmon.exe for remote IIS debugging.
  • Also responsible for installing and configuring third party software necessary to test products such as Apache Server.
  • Worked with Atlassian tools like Bamboo & Jira.
  • Automated the Build Process using Jenkins.
  • Installing of HTTP plugins for Apache, iPlanet and Microsoft IIS.
  • Used ANT, Puppet/ Chef Scripts with Ivy to build the application and deploy.
  • Involved in monitoring error logs, troubleshooting and fixing the problems.
  • Handled Memory issues, such as application leak, WebLogic leak and sun java bug by tuning and profiling memory with third party tools.
  • Implemented security by configuring Secured Socket Layer (SSL) for client authentication and data encryption
  • Configured LDAP server using Sun One Directory server for user authentication
  • Configure Siteminder with Web servers.
  • Configure F5load balancer with Web servers. Used F5 to capacity, performance and reliability of the applications
  • Used OIM for access management, directory services, decision making and strengthening security.
  • Used Visual studio for Integration Development.
  • Good Experience in implementing Puppet, Chef, Splunk, Jenkins, Docker and DevOps, openstack.
  • Develop and run UNIX shell scripts and implemented auto deployment process.
  • Solved server hang issues such as Deadlock, Application and Database level lock by taking thread dump and analyzed to get the root cause of the hang
  • Set up Wily for monitoring, notification, root cause analysis and data reporting
  • Performance monitoring and JVM Heap size and EJB monitoring using Wily Introscope and Load testing using Mercury Load Runner and Jmeter with Thread and Heap analysis Using Samuraithread dump
  • Used Subversion (SVN) to maintain present and historical source code versions and documentation.
  • Used Build Forge and Jenkins for enterprise scale infrastructure configuration and application deployments.
  • Used HP OpenView for managing applications, network conditions and status across the platform
  • Involved in a team to design a strategy and well organized planning in data center migration using TDS

Confidential

Middleware/ Weblogic Admin

Environment: WebLogic Server 8.1/10.3, JDK1.6, LDAP, Jenkins, JDBC, Chef, XML, Apache, SQl, WLST, UNIX (Solaris 8/9.0/Linux 5), Docker, Oracle 11g.

Responsibilities:

  • Performed WebLogic Server administration tasks such as installation, configuration, monitoring, troubleshooting and performance tuning.
  • Worked on installation, server configuration, deployment, upgrading, migration performance tuning including maintenance of WebLogic server.
  • Configured Node Managers to remotely administer Managed Servers.
  • Installation Configuration & Administration of Clustered Weblogic Server 8.1/10.3 on Production Environment.
  • Used config wizard and config builder extensively to create and manage WebLogic domains
  • Migration of WebLogic Server from Windows to Linux Environment.
  • Deployed the EAR, JAR, WAR applications on multiple Weblogic Servers Instances and maintained Load balancing, high availability and Fail over functionality.
  • Experienced in Configuring JMS resources Queues, Topics, Distributed destinations, message bridges and JDBC connection pools, data sources.
  • Developed scripts to monitor JDBC connection pool status, JVM Heap size, and JMS messages in the destination queues in the production environment.
  • Experienced in configuring Horizontal and Vertical Clusters
  • Created Domain Templates to replicate the environment on new Weblogic servers.
  • Worked with WLST scripts and Shell Scripts to automate frequently done tasks like deployments.
  • Hosted web Application on multiple IIS servers under a load balancer
  • Used IIS as a web server to respond to the requests from the browser.
  • Used mvsmon.exe for remote IIS debugging.
  • Used WWW, FTP, SMTP and NNTP services under IIS services.
  • Invoked WLST scripting and created JDBC connection pools and enrolled the node manager using WLST command line.
  • Configured Global and Admin Authenticator in the WebLogic console.
  • Experienced in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions
  • Configured SSL and created Digital Certificates for secured communication between applications
  • Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Application Server
  • Installed, configured and administered Apache 2.2 and Apache Tomcat 5.5 on Linux.
  • Installed and configured HTTP Proxy Plug-ins on Apache Web Server to send traffic to request dynamic content from WebLogic Application servers.
  • Configured and maintained Application servers on Linux and UNIX platforms.
  • Installed, configured, administered and supported JBOSS on RedHat Linux Environments
  • Maintained change management records for all the changes occurred while migration.
  • Worked extensively on UNIX shell scripting for automating the builds in QA, Development and Production Environment.
  • Implemented security by configuring Secured Socket Layer ( SSL) for client authentication and data encryption.
  • Installed and configured Tools for Continuous Integration environment - Jenkins, Nexus and Sonar.
  • Experienced in setting virtual machines using VMware.
  • Involved in Windows Server 2000 & 2003 OS installation and troubleshooting.
  • Working knowledge of networking concepts, Trouble shooting Network.
  • Resolved high priority tickets documenting system outages in any of the above environments.
  • Provided active support for load/stress testing, troubleshooting and performance tuning.
  • Provided 24/7 on call production supports.

Confidential, Columbus, Ohio

Weblogic/ JBOSS Admin

Environment: Weblogic 9.x/10.3.6/11g, JBOSS 4.x/5.x/6.x, Apache Web Server 2.2, RHEL 6.4 Apache Web Server Plug-in, JDK 1.x, Siteminder, Wily Introscope,Jenkins, JDBC, JNDI, J2EE, JMS, SSL, EJB, JSP, Servlets, WLST, ANT, Unix Shell Script, Oracle 10g/11gR2.

Responsibilities:

  • As JBoss Administrator, perform, monitor and manage upgrades, deployments and other changes to the servers and applications.
  • Participated in Migration undergoing from JBoss 4 to Weblogic or JBoss 4 to JBoss 6
  • Installed, Configured and administered WebLogic server 10.3.6 for development, testing and production environment on RHEL 6.4 platform
  • Migrated applications from Weblogic server 9.x to Weblogic server 10.x.
  • Deployed different Java J2EE applications like WAR, JAR and EAR on both stand alone and clustered environment.
  • Installed and configured Apache 2.2 with Oracle WebLogic Application server.
  • Configured and administered JNDI, JDBC Connection Pools, Multi Pools and Data Sources on WebLogic Server.
  • Configured JMS Server, Connection Factory, Topic/Queue, FileStore, Database Store and Distributed destinations.
  • Configured clusters for high availability, load balancing and failover.
  • Configured and set up Secure Sockets Layers (SSL) for data encryption and client authentication and Two Way SSL.
  • Experience in migration of Web Logic Server from Windows to Linux environment.
  • Developed and ran UNIX shell scripts and implemented auto deployment process.
  • Configured plugins Apache Web servers to work with WebLogic server.
  • Involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.
  • Troubleshoot WebLogic server connection pooling and connection manager with Oracle 9i.
  • Well versed with Red Hat Enterprise Linux 4.0.
  • Analyzed the parameters of garbage collection and Heap size for performance tuning of JVM.
  • Installed and configured JBoss 6.2 in local machine during JBoss 4.3 to JBoss 6.2 application server migration.
  • Analyzed Heap Dump to find memory leak.
  • Integrated Siteminder with WebLogic server for single-sign-on.
  • Wrote Shell scripts, Ant scripts and WLST scripts for the automatic startup and shutdown, backup and recovery process of managed servers.
  • Installation, Configuration and Administration of JBoss 5.0/5.1/5.5 & JBoss 6.2 versions on Oracle Enterprise Linux (OEL) environment.
  • Installed and Configured Apache Webserver 2.2
  • Installed VeriSign SSL certificates on Apache Webserver2.2 for secured application.
  • Configured and monitored application servers in Production on WILY Introscope 7.0\BIG IP F5 load balancing
  • Involved in Configuration management, Software deployment, Change management, Performance monitoring and Application maintenance.
  • Monitoring the error logs, fixing the problems and tuning parameters in WebLogic environment.
  • Installed and Configured Jenkins Plugins to support the project specific tasks.
  • Involved with the developers in trouble shooting and fixing day-to-day problems of the applications in Production on 24/7 schedule.

Confidential, Pitsburg, PA

WebLogic Adminstrator

Responsibilities:

  • Installation, Configuring, troubleshooting and maintaining the Web Logic 9.2/10.3.1.
  • Tuning and managing WebLogic application servers in all in development, Testing and Production for better performance.
  • Developed and managed Domains using configuration wizard and configuration builder.
  • Configured Node manager for administration of Managed servers.
  • Configuration of JDBC connections and data sources with Oracle database server9i troubleshooting and fixing up problems.
  • Created the JMS Server, JMS Connection Factories, Queues, Topics, File Store, Database Store and Message Bridges and monitored.
  • Experience in migration of Web Logic Server from Windows to Linux environment.
  • Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection and JDBC Pools.
  • Developed scripts (start, stop, backup & recovery processes) for WebLogic application server administration.
  • Installed and configured WebSphere MQ Series 5.x on AIX, Windows and Linux and configured proxy plug-in with Apache and IBMIHS web servers.
  • Developed ANT, UNIX shell scripts and Perl scripts to automate the deployment process.
  • Created WebLogic Portal domain and created projects, portal application in WebLogic workshop.
  • Configured WebLogic Virtual hosts in WebLogic 9.1/10.3.1 server.
  • Applied patches/service packs for security and to remain in good performance.
  • Configured Tomcat 5 to work with Apache Http server, IIS, SUNONE.
  • Configured SSL in Web Logic application server.
  • Implementing Load balancing for the application using the F5 Load balancer with WebLogic server 8.1/ 9.2/10.3.1.
  • Implemented SSO using Siteminder 5.5 using SAML 1.1 authentication and authorization and implemented between an identity provider and a service provider.
  • Interacted with developers and Database Administrators to ensure a smooth and bug-free application deployment.
  • Dealt with high CPU issues and custom execute queues and tuned TCP/IP parameters
  • Troubleshooting with Thread and Heap analysis for detecting blocking and locked threads
  • Familiarity with Microsoft Active Directory, TOAD, Citrix, JIRA ticketing system, KeePass (password safe keeper) and SVN sub-version tool.
  • Provided support for various applications in Production Environment.

Environment: WebLogic 9.2/10.3.1, Apache 2.x Server, IBM IHS, IIS, SUNONE, Tomcat 5, SQL Server 2000, Red Hat Linux, Windows 2000, Solaris9, Linux, F5 Load Balancer, Oracle 9i, JDK 1.5,HTML, JDBC, JNDI, JMS, SNMP, JTA, Spotlight, Site Minder, ANT, UNIX.

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