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Infrastructure Engineer Resume

Norfolk, VA

SUMMARY:

  • Around 7 years of experience in IT experience with 5 years in Weblogic Administration along with Oracle FMW, JBOSS Tomcat and web servers like Apache, iPlanet, MS IIS.
  • Expertise in administration of Oracle Weblogic 8.1/9.2 /10.3. x/11g Rx on Red Hat Linux, Solaris, Windows and IBM AIX environments
  • Expertise in installing, configuring and troubleshooting application servers like Oracle Weblogic
  • 8.1/9.2 /10.3 and web servers like iPlanet, Oracle HTTP Server and Apache on Solaris, Linux and IBM AIX platforms.
  • Strong knowledge of deployment of J2EE applications/components on Oracle Weblogic 8.1/9.2/10.3.
  • Good experience in virtualization with VMware ESXi.
  • Extensively worked as Oracle Weblogic administrator for server configuration, deployment of components and performance tuning including troubleshooting and maintenance.
  • Managed and administered domains, nodes, managed servers, node managers in Oracle
  • Weblogic application server.
  • Excellent skills in thread dump, core dump and memory leak analysis.
  • Excellent skills in monitoring and troubleshooting problems using OS commands as well as monitoring tools like Wily Introscope, Foglight, Jprofiler, Tealeaf, etc.
  • Configured clusters, load - balancing and failover solutions.
  • Experience working with Oracle BI Components, Oracle FMW & Oracle Webtier.
  • Experience working with XML/XSL/XSLT documents.
  • Implemented security and configuration of LDAP, NetegritySiteMinder single sign-on, configuring Multi Master and Single Master Configurations and replications for MS Active Directory.
  • Experience working with ticketing systems like BMC Remedy, HPSM, Footprints, etc.
  • In Depth knowledge of SAN, NAS and other storage technologies.
  • Well-versed in all phases of Software Development Life Cycle & Agile Methodology.
  • Experience in writing and modifying SHELL, ANT & WLST scripts for atomization and monitoring purposes.
  • Strong knowledge of J2EE, J2SE, JDK, J2EE technologies - Servlets, Applets, JSP, JDBC, JMS, Java Mail, RMI, JNDI, EJB, XML, Struts.
  • Extensive expertise working with Change Control Process, Revision tools like ClearCase code management system, TortoiseSVN, etc.
  • Quick learner and up-to-date with industry trends. Excellent written and oral communications and team player. Excellent customer relations and people management skills. Ability to work independently and well-organized. Strong analytical and problem solving skills. Excellent presentation skills, strong verbal and written communications

TECHNICAL SKILLS:

Platforms: Solaris, Windows XP/7, WinServer2003/2008 AIX, HP, RHEL

Packages: J2EE, JDK 1.1/1.2/1.3/1.4, JSDK 2.0, Jrockit

Databases: SQL, Mysql, DB2 and Oracle 9i/10g/11g, MS Access

Tools: Wily Introscope, Siteminder, Jprobe, Tortoise SVN, OSticket, BMC

Web Servers: Sun One, Apache, Microsoft IIS, Oracle HTTP server

Application Servers: Weblogic 8.1/9.2 /10, JBOSS, Tomcat

Scripting: Shell scripting, Powershell, ANT, WLST, Python

PROFESSIONAL EXPERIENCE:

Confidential, NORFOLK VA

INFRASTRUCTURE ENGINEER

ROLES &RESPONSIBILITIES

  • Installation, configuration and maintenance of Weblogic with JDBC and JNDI services.
  • Deployed Amdocs applications on Weblogic Server and maintained Load balancing, Highavailability and Fail over functionality.
  • Deployment of Hot fixes and configurations for Amdocs applications using Amdocs Monitoring & Control tool.
  • Performing version & build upgrades for Amdocs applications.
  • Troubleshooting server crashes, applications issues, JDBC connectivity issues & configurations related problems.
  • Performing structural changes, creating indexes, taking table backups and basic maintenance of database tables.
  • Developed Unix Shell (Korn& Bourne) scripts for day-to-day tasks.
  • Monitored error logs, fixed problems, tuned parameters & performing RCA's in Weblogic environment.
  • Interacting with Onshore and Offshore teams to handover issues, give knowledge transfer &Support the environment.
  • Leading the team to distribute the tasks and interact with other teams for critical issues, fixes and infrastructural changes.
  • Involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.

ENVIRONMENT: Weblogic (10.3.5), Apache, TOMCAT, Oracle ESB, Oracle (RAC/10g/9i), J2EE, JDK (1.6), Amdocs CRM, Amdocs Billing, JDBC, JMS, SSL, Shell Scripting, Linux (5.x), IBM AIX, Wiley Introscope

Confidential, AUGUSTA ME

WEBLOGIC ADMIN

ROLES &RESPONSIBILITIES

  • Installation of Oracle Weblogic Application Server (10.3.6) on RHEL 5.6.
  • Configuration and management of Weblogic Application servers. Creating Data sources and connection pools across Weblogic environments.
  • Migrating Applications from OAS and Oracle Forms & Reports to Weblogic 10.3.6 as well as migrating apps from JDK 1.6 to 1.7.
  • Monitoring Performance & Load tests for Applications and providing the results to the Developers
  • Involved in cutovers &decommissioning of old applications running on OAS & Oracle Forms &
  • Reports.
  • Upgrading the domains, installing and applying patches, working on Support Requests to resolve unknown issues related to Weblogic, OBIEE & OHS.
  • Installing and Configuring Oracle HTTP Server on RHEL.
  • Configuration of OBIEE 11.1.1.7 on RHEL.
  • Performing Root Cause Analysis (RCA's) on Weblogic, Database, and OS & Network related issues.
  • Handling troubleshooting issues for Application/Web servers.
  • Working knowledge on tickets logging and resolving process using Numara Footprints.
  • Performing backup and recovery of applications, domains & instances being installed or
  • Upgraded.
  • Providing 24/7 production support for Weblogic, OBIEE, OHS & Tomcat.
  • Interacting with Customers to solve their problems regarding Issues related to specific application URL’S.

ENVIRONMENT:: Weblogic (10.3.6/10.3.4 ), OHS, TOMCAT, OBIEE (11.1.1.7), Oracle (RAC/10g/9i), Mysql, J2EE, JDK (1.7/1.6), JDBC, SSL, JNDI, Shell Scripting, Juniper Load Balancers, WLST, Linux (5.6), Solaris

Confidential, WILMINGTON DE

MIDDLEWARE ADMIN

ROLES & RESPONSIBILITIES

  • Installed, configured, and maintained Oracle Weblogic (11gRx/10.3.x/9.2) & JBOSS 5.x & 6.x on Linux & Windows platforms.
  • Configured the Apache & IIS as a front-end proxy server to the Weblogic Jboss application
  • Server.
  • Responsible for updating patches and installation of JDBC drivers and Servlet engines on Linux and Windows environment
  • Developed/customized new/existing SHELL, PowerShell and Jython (WLST) scripts to monitor and atomize environments
  • Provided 24 x 7 3L production support for Apache server, IIS webservers, Weblogic application serverson Red Hat & Windows platforms.
  • Monitored Health of Weblogic& JBOSS Servers in Production using Wiley Introscope and JON;
  • Attended ERT Calls for Production Issues
  • Created virtual environment with VMware ESXi 51.
  • Installed and configured JIVE collaboration tool on Linux & Windows.
  • Automated & Scheduled jobs using Tidal scheduling assistant.
  • Good experience in using HPSM as a change management tool Made use of Agile Methodologies for the project management involving different sprint cycles, sprint teams, scrums, etc.

Environment: Weblogic (11gRx/10.3.x/9.2), Apache, JBOSS (5/6), IIS, Oracle (RAC/10g/9i), J2EE, JDK (1.6/1.5), VMware ESXi 5.1, JDBC, JSP, RHEL, Windows Server 2008 R2,Sharepoint, Agile, Tidal, JIVE

Confidential, ASHBURN VA

MIDDLEWARE SUPPORT ADMIN

Roles and Responsibilities

  • Management of Weblogic servers in development, testing and production environments.
  • Shell scripting to automate the maintenance process of the Weblogic server and recover the backed-upWebLogic configuration.
  • Involvement with the application development and database teams in trouble shooting and fixing day-to-day problems of the applications in production on 24/7 schedule.
  • Creation of development environments for developers, Shell scripts and source code management systems (Tortoise SVN).
  • Developed the build environment, the source code control system and the issue tracking systems
  • Created and tested builds, resolved issues, applied labels to file and communicated build status Load balancing and performance tuning.
  • Developed infrastructure, Installation and support of System, Test, UAT, Staging, and Production Environments Used OSTicket as ticketing system.
  • Configured and used Jprofiler, Nagios to monitor the activity, instances, threads, classes etc. of the applications and servers.

ENVIRONMENT: Weblogic (10.3.x/9.2), Apache, Iplanet, Oracle (RAC/10g/9i), Mysql, J2EE, JDK, VMware ESXi 5.1, JDBC, JSP, HTML, SSL, RHEL, Solaris

Confidential

J2EE PROGRAMMER

Roles & Responsibilities

  • Designed and developed the user interface using JSP, Servlets, XML and Java.
  • Designed the application under J2EE architecture using JSP and developed the business components using EJB.
  • Developed applications using JSPs and EJBs for Weblogic application server.
  • Configured managed server instances on different machines and clustered all the managed
  • Servers.
  • Developed Java Server Pages for both business logic and GUI development.
  • Developed Java Oracle components to communicate with JSP.
  • Installed Weblogic 8.1 application server on Sun OS and development, staging and production environments.
  • Configured Weblogic server with iPlanet web server through Web Logic’s proxy plug-in.
  • Deployed different application WAR files, EJB JAR files and enterprise application archives (EAR) onWebLogic 8.1 sp5.
  • Designed and developed two types of session EJBs.
  • Designed and developed persistent entity EJBs.
  • Developed JDBC code for accessing data from the database.
  • B2B interaction developed using XML; XML Parser coded using DOM and SAX API’s.
  • Designed and developed the front end using JSP and other custom tag libraries.
  • Involved to develop forms using HTML and Java Script.
  • Involved in writing SQL in DB2 UDB.

ENVIRONMENT:: Java, EJB, Struts, WebServices (SOAP, WSDL, UDDI), UNIX, Weblogic Application Server, JDBC, JavaScript, HTML, XML, ANT, Rational Rose

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