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Weblogic Administrator

Location:
San Antonio, TX
Posted:
June 04, 2015

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Resume:

Name: Saajan Kamuju

Role: Middleware Administrator or SOA Administrator.

Phone: 210-***-****

Email ID: acp14i@r.postjobfree.com

Dedicated and hardworking professional having around 7 years of IT industry experience in the field of Production Support/Administration of Client/Server and Middleware Applications.

Working experience in Administration of Apache, SunOne iPlanet, WebLogic server. Also Worked with Apache Tomcat 4.0/5.0/6.0/7.0.

Strong experience with L1/L2/L3 support model and actively worked with L1 command center agents and L3 Administrators.

Worked on Heterogeneous Platforms that includes Oracle, UNIX, Linux, Red Hat Linux, Sun Solaris and Windows 2003/2008.

Strong exposure to onsite/offshore model with 24x7 support hand offs for requests/issues/task management.

Worked extensively in solving the problems by coordinating with infrastructure groups like UNIX, DBA, Network, Firewall/Security and L3 Application Server Administrators.

Solid Experience in Deploying Applications on WebLogic Cluster for Load Balancing, Failover and High Availability.

Produced daily and weekly reports for incident/issues, escalated items and metrics that measure SLAs.

Deployed EAR, WAR, JAR & RAR Files on Multiple WebLogic Server Instances.

Experience in Upgrading WebLogic Domains from WebLogic 7.0 to WLS 8.1, 9.2&10.3.

Experience with Performance Monitoring tools like WILY Introscope, Jconsole, and JRockit Mission Control etc.

Used Python WLST Scripting to Automate the Deployment Process.

Configured multiple Work Managers in Web Logic 9.2/10.3 for Thread Allocation.

Created SSL and Digital Certificates for secured communication between Applications.

Working Experience on CMS (Content Management Systems), Site Minder, LDAP Server for Authentication and Authorization & Single Sign On setup.

Installed and Configured Apache 2.0 and 2.2 in various environments. Configured Virtual Hosting.

Configured Proxy Plug-ins from Apache to Web Logic server to provide Load Balancing.

Installed and Configured Sun One IPlanet Web server in various Environments. Also Configured Plug-ins between Sun One and Web Logic Servers.

Installed and Configured Apache Tomcat 4.1/5.5/6.0. Configured Plug-Ins from other Web Servers.

Hands on Experience with writing adhoc SQL queries to validate data/jobs status and producing user reports.

Strong Programming skills in web programming using Java/J2EE, JSP, Servlets, JDBC, XML and DHTML

Technical Skills:

Middleware

Oracle Fusion Middleware / SOA.

Application/Web Servers

WebLogic Server 7.0/8.1/9.2/10.3g/11g, Apache Tomcat5.0/6.0/7.0, Oracle Application Server, Unix Server, WebSphere Application Server 5.X/6.X, Sun One5/6(I Planet), ATG Dynamo Application Server, IIS, IBM Http Server, ALSB 2.6.

Web Technologies

XML, XSLT, XSD, XPath, SAML, HTML.

Languages

C, C++, Java/J2EE(EJB,JMS,JDBC,JNDI), Python, PL/SQL.

Application Frameworks

JDK 1.4, Servlets 2.3, JSP 1.2, EJB 2.0, RMI, JDBC, JMS, JAAS, AWT, LDAP, Struts.

IDEs

Eclipse, SQL Developer, WebLogic Workshop 10.3.

Protocols

SOAP, LDAP, TCP/IP, HTTP, FTP, DNS, DHCP, SMTP, POP3, TELNET.

Scripting

UNIX shell scripting, JavaScript, Jython, Perl WLST Scripting.

Operating Systems

UNIX, Sun Solaris 8.0/ 9.0/10.0, RedHat Linux (RHEL 5.0/6.0), Windows 95 / 98 / NT / 2000 / XP / 2003/VISTA/7, Oracle Enterprise Linux.

Databases

Oracle 9i/10g, 11g, MS SQL 2000/2005, MySQL, DB2, Point base.

Build and Other Tools

Ant 1.7.0/1.6.5/1.5.1, MS-Office Products, Agile PLM, Jive, CMS, TOAD, SQL Loader, SQL Navigator, SQL developer, WINSCP, Putty, Open SSL, LDAP Server, Oracle IDM, Web Sphere MQ, Jenkins and Maven.

Monitoring Tools.

JConsole, Zabbix, Hobbit, JRockit, Wily Introscope.

Certifications.

C++ and ASP.NET

WORK EXPERIENCE:

CLIENT: Sabre Holdings, Southlake, TX Jan’2013 – Feb 2015

ROLE: Weblogic Administrator

Responsibilities:

24X7 on-call Production Support and Troubleshooting issues and problems related to Production Servers.

Maintenance of the WebLogic, JBOSS and Apache Tomcat Application Servers and IPlanet severs on different platforms and setting up the INT, CERT and PROD environments for ongoing applications.

Involved in Upgrading WebLogic Domains and also involved in Migrating Applications from Weblogic to Apache Tomcat Servers.

Deployed J2EE Application artifacts like EAR, WAR, JAR on WebLogic and Apache Tomcat Cluster for High Availability, Load Balancing.

Worked with L3 Administrators/Architect/Developers in triaging production, non-production release issues and deployment tasks.

Used and worked hands on Agile PLM 9.3.x installations and used them to keep track of all the implementations and deployments made in all the environments i.e Integration, Certification and Production.

Worked with F5 Networks team to set up Big-IP for high availability load balancing of traffic to the various internet web services.

Worked as a Support Analyst responsible for opening Problem Reports (PMR), Change Requests (RFC) and trouble-shooting all reported issues from the clients on different customized environments like INT, CERT and Prod.

Involved in Midrange Software Repository (MSR) project implementation for Self Service Checkin.

Responsible for application changes across different platforms-development, testing and production environments.

Installation, Configuration, Performance and Maintenance of Apache Web Servers on different platforms based on Client requirements and also Configured WebLogic Plugins to Apache Server for Load Balancing.

Also used CMS (Content Management Systems) for the maintenance of our web application and its storefronts and updating accordingly as per client requests.

Involved in using SMD WIKI for deployments in INT, CERT and PROD environments and updating wiki while troubleshooting deployments and developing web storefronts and its operations.

Also involved in using Maven repositories and Jenkins automated deployments onto application servers in both integration and certification environments.

Hands on experience on Site Minder integrated with Sabre partner’s Travelocity.

Also worked with Oracle Identity Management which was used to manage permissions and access privileges to users based on teams and their work assignments.

Created SSL and Digital Certificates for requesting, generating and implementation for the communication between web server and the Application Servers

Played a crucial role in supporting V12 Virgin Australia release by helping the V12 Activations Team with deployments and troubleshooting the issues.

Worked for DEVSERV team in supporting and upgrading the INT environments.

Monitor all performance metrics for production systems and identify root cause for all technical issues using the log files and recommend solutions and work arounds.

Coordinated with Data Base team, QA team, System Admin and Dev Team while supporting production servers and also worked with off shore Bangalore, IN and Krakow, Polska, and Montevideo, Uruguay teams.

Environment: Oracle WebLogic 9.2/10.3/11g, Red Hat Linux 5.0, Apache, Tomcat, Solaris 10, oracle 10g/11g, JDK 1.5/1.6, EJB 3.0, JRockit, Jython, Clear Case, CMS, F5 Hard ware Load Balancer, LDAP, Sun Directory Server, Java, J2EE, Servlets, Jprobe, XML, XSD, WLST, Shell Scripting.

CLIENT: Comcast, Herndon, VA Nov’2011 – Dec’2012

ROLE: L2 Support Analyst

Responsibilities:

24X7 on-call Production Support and Troubleshooting problems related to Production Servers.

Acted as onsite coordinator between the customer and offshore team to handle issues/releases/ incidents

Performed Application administration/Production Support tasks like jobs scheduling, monitoring, reports generation, users creation and problem management

Worked as a Support Analyst responsible for opening Problem Reports (PMR), Change Requests (RFC) and trouble-shooting all reported issues from the clients on different customized environments like Test, Development and Prod.

Maintenance of the WebLogic Application Servers on different platforms and setting up the Development, Testing and Staging Environment for the ongoing Applications.

Worked on onsite/offshore model with 24x7 support hand offs for requests/issues/task management.

Worked with L3 Administrators/Architect/Developers in triaging production, non-production release issues and deployment tasks.

Deployed J2EE Application artifacts like EAR, WAR, JAR on WebLogic Cluster for High Availability, Load Balancing.

Strong experience with L1/L2/L3 support model and actively worked with L1 command center agents and L3 Administrators

Authored adhoc SQL queries to validate data/jobs status and producing user reports.

Involved in Upgrading WebLogic Domains from WebLogic 8.1 to 10.3. Also involved in Migrating Applications Using Migration Scripts.

Upgraded WebLogic 8.1/9.2/10.3 Domains with necessary Patches and Service Packs.

Configured WILY Introscope. Installed and Configured Wily Agent, Wily Enterprise manager and Introscope Work station.

Used CMS (Control Management Systems) for configuring, updating and maintenance of the in house enterprise systems.

Worked with F5 Networks team to set up Big-IP for high availability load balancing of traffic to the various internet web services

Produced daily and weekly reports for incident/issues, escalated items and metrics that measure SLAs.

Installation, Configuration and Maintenance of Apache Web Servers on different platforms based on Client requirements, Hosted Applications using Virtual Hosting in Apache server. Also Configured WebLogic Plugins to Apache Server For Load Balancing.

Involved in the Installation, Configuration and Administration of SunOne IPlanet. Configured Sun One Proxy Plugins to WebLogic Server for Load Balancing.

Responsible for project documentation, status reporting and presentation.

Coordinated with Data Base team, N/W team, System Admin and Dev Team while supporting production servers.

Environment: Oracle WebLogic 9.2/10.3/11g, Red Hat Linux 5.0, Apache, Tomcat, Solaris 10, oracle 10g/11g, JDK 1.5/1.6, EJB 3.0, JRockit, Jython, CMS, Clear Case, F5 Hard ware Load Balancer, LDAP, Sun Directory Server, Java, J2EE, Servlets, Jprobe, XML, XSD, WLST, Perl, Shell Scripting.

CLIENT: Rackspace, San Antonio, TX Aug’2010 - Oct’2011

ROLE : Java Administrator

Responsibilities:

Supported applications hosted on BEA WebLogic Application Server 8.1/9.x, JBOSS and Apache 2.x along with trouble shooting and recovery on Sun Solaris and Windows machines.

Actively involved in performing production support of application by following stand procedures, policies of L2 support team

Installed and configured Apache Web Server, iPlanet, IIS, JDBC drivers and Servlet engines on Solaris and Windows machines.

Used and worked hands on Agile PLM to keep track of all the implementations and deployments made in all the environments.

Responsible for application changes across different platforms-development, testing and production environments.

Implemented Cloning, Clustering, Performance tuning and troubleshooting of BEA Web Logic Application Server 8.1 and also ATG Dynamo Application Server.

Configured WebLogic resources including JDBC providers, JDBC data sources, connection pooling, and Java Mail sessions.Deployed Session &Entity EJBs in WebLogic.

Involved in securing the J2EE applications by implementing Single Sign On by using Site Minder.

Package, build, Integrate and deploy Enterprise J2EE applications on WebLogic 8.1/9.x that involved EAR (Enterprise Archives) and WAR (Web Archives).

Documented the deployment and support procedures for several WebLogic applications and directory services

Maintained WebLogic Application Server 8.1 for web applications development and deployment of JSP and EJB components on Sun Solaris and Windows NT platforms.

Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.

Worked closely with Network and other teams for daily activities i.e. system/network changes for all Solaris and NT Servers.

Developed JACL, Shell and Perl scripts for launching applications to run remotely on Application servers.

Implemented standard backup procedures for Operating system and WebLogic applications.

Responsible for scheduling Application Jobs, upgrades, and maintains them in accordance with established policies and procedures

Worked closely with Project manager, development, testing and production team to align project deliverables, dates and reports issues/concerns.

Environment: JDK1.4, J2EE, Jrockit8.1, JSP, CORBA, WinNT, Servlets, EJB, LDAP, JDBC, Jython, XML, Oracle9i, JBoss, Agile PLM, WebLogic Server 8.1, Sun N1, ALSB, WebSphere MQSeries, Ant1.5.1, HP-UX, Solaris, Linux.

CLIENT: Ram Informatics Ltd, Hyderabad, India Mar’2009 - July’2010

ROLE : WebLogic Administrator

Responsibilities:

Installed, Configured and Administered Web Logic Server 8.1/7.0 Application Servers on UNIX, AIX and Sun Solaris.

Installed and configured Apache HTTP Server 1.2.

Configured Apache server Proxy Plugins to Web Logic Server for Load balancing.

Configured Domains, Managed Servers, Machines, Node Managers.

Clustered all Managed Servers for Load Balancing, High Availability and Fail Over.

Configured Connection Pools and Data Sources to connect to Data Base from Web Logic Server.

Involved in Configuring Virtual Hosting.

Deployed the Web Applications and Enterprise Applications (.war, .jar, .ear) from console mode.

Managing JNDI, Managing security, Configuring and Monitoring JMS.

Managing and Monitoring JVM performance by tuning JVM heap size, garbage collection parameters and JDBC pools.

Performance tuning in the aspect of Data Base Connection pooling. Built reports for tracking Work flow.

Created user roles and groups and mapped to the applications for securing resources.

Configured and setup Secure Socket Layers (SSL) for data encryption and client authentication.

Upgraded the Web Logic Server with necessary Patches and Service Packs.

Contacted other teams (development, network, site minder, test, data base teams) for troubleshooting errors occurred in the production servers.

Provided 24/7 on call support and troubleshooting for production servers.

Environment: BEA Web Logic 8.2/7.0, Apache HTTP 1.2, JRockit, J2EE, JDK 1.2, JNDI, JDBC, JMS, HTML, XML, EJB, IBM-AIX OS, Sun Solaris OS.

CLIENT: Synfosys, Hyderabad, India June’2007 -Feb’2009

ROLE : Web Developer (Intern)

Description:

WPM is a module that tracks the projects developed by software engineers in the form of graphical output, which includes tracking the Progress, Productivity, Completion, Change, Staff, Quality and Risk details of the Project.Used Swing/AWT to develop the graphical user interface for admin.Used Servlets and JSP for presentation layer, JavaScript for client side validation.

Responsibilities:

Wrote complex SQL to access the data and display in Browser using Servlets.

Used C++ to perform statistical analysis and tabulation as part of a separate module.

Designed and developed various PL/SQL procedures.

Used JavaScript for Client side validation.

Developed front-end using HTML, JSP, and Struts.

Implemented Struts Action classes for business logic and bean classes for validation by using Struts Framework.

Setup JDBC Connectivity and databases.

Developed source code for several web services using XML, WSDL to interact with the work list /workflow product.

Performed and reviewed unit tests using JUnit Testing tool.

Used Eclipse IDE, Web logic Application server, ATG Dynamo Application Server and Oracle 8.1 database.

Use CVS as version control.

Environment: Java, JSP, Struts, Servlets, Applets, AWT, Swing, HTML,CSS, JavaScript, XML, XSLT,WSDL, Oracle 8i, Weblogic Server, Web Services, CVS, JUnit, MS Office, Windows XP.

Education:

Bachelor in Computer Science and Engineering from JNTU University, Hyderabad, India.



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