Oracle Database Administrator Resume
Atlanta, GA
SUMMARY:
- Have more than 5 years of strong Professional experience in Systems Administration which includes extensive experience in Weblogic Administration providing support for Production, Staging, Testing and Development environment.
- Experience in Weblogic Administration under heterogeneous environment consisting of SUN Solaris 8.0, 10.0, Red Hat Enterprise Linux 3.0/4.0/5.0, Windows NT /2000/XP, HP - UX Itanium 11.23 and AIX.
- Well Experienced in installation, server configuration, deployment, performance tuning including trouble shooting and maintenance of BEA Weblogic Server 7.0/8.1/9.0/10.3.
- Installations and of SOA suite 11g and BPM suite 11g
- Installation and configuration of OSB suite 11g
- Migration experience with Weblogic Application server 6.0-7.0- 8.1 - 9.2 -10.2
- Experienced in deploying applications (WAR, JAR, and EAR) in stand-alone domain and clustered environments.
- Extensively working experience on clustering, performance tuning (JVM options, Load Runner) load balancing, connection pool, multi pool, JMS message Queue and Monitoring.
- Experience in Setting up and configuring Active Directory Authenticators via Web Logic Admin console
- Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.
- Experience in implementing Fail-Over, Fail-Back and Backup strategies for Weblogic environments and Implementing WebLogic’s best practices for Deployments, System configuration, capacity planning, Infrastructure architecture, fail over, backup and recovery, scalability, and security
- Expert in Investigating and resolving performance issues by analyzing thread dump, GC values and heap dump.
- Experience in Setting up and configuring Active Directory Authenticators via Web Logic Admin console
- Worked with Management MBeans (JMX) to write the automatic tasks, and involved JVM tuning options
- Experienced in Configuration, remote managed server start and stop, SSL communication between admin server and node manager.
- Experienced in installing Certificates on various Web Servers a
- Experience in writing WLST scripts for deployment, start and stop servers
- Familiar with LDAP, Netegrity Site Minder single sign-on configurations
- Solid experience in deploying the applications on multiple Weblogic Servers and maintaining Load balancing and High availability.
- Excellent knowledge of writing UNIX Shell Scripts and ANT scripts to automate System Admin jobs.
- Knowledge of various protocols such as TCP/IP, HTTP, HTTPS and SOAP.
- Experience in performance monitoring and load testing using Wily Introscope, Admin console and ant script
- Experienced in administration of Apache HTTP Web server
- Experience in developing web based applications using JDK 1.3/1.4, JAVA/J2EE, Applets, Servlets, JSP, RMI, EJB’s, HTML, XML, JavaScript, and JDBC .
- Experienced in Relational Databases like Oracle11g, 9.i/8.i, MS SQL Server 2000/7.x an
- Redesigned and upgraded companies Siteminder Infrastructure to new version (Siteminder 4.x to 6.x) and deployed into a highly redundant and sustainable solution.
- Configured Web Server plug-ins
- Provided 24 X 7 technical supports for applications running on
- Expertise in performing health checks using
- Effective communication with client, cross-functional teams to achieve project priorities/timelines.
- Team player with excellent interpersonal skills and analytical abilities.
- Ready to learn more
TECHNICAL SKILLS
Operating System: Windows/UNIX/Linux/Solaris/
Web Server: Apache 1.1, 2.2
Application Servers: Web Logic 11.2, 10.3, 9.2
Software: Microsoft Office (Word, Excel, Power Point, Outlook, Access,)
Network Services: TCP/IP, SSH, Samba, SMTP, Telnet, FTP, LDAP, HTTP, HTTPS
Monitoring Tools: Putty, Secure CRT,jprofiler, Samurai
PROFESSIONAL EXPERIENCE:
Confidential
Oracle Database Administrator
Responsibilities:
- Managing backup & Recovery for Oracle on Linux using RMAN
- Going through the day-to-day user requests and troubleshooting the database related problems.
- Linux shell scripting for monitoring oracle Database status, security & backups.
- Monitored Tablespace size, resizing Tablespace, relocating data files for better disk I/O.
- Created user, allocation of appropriate table space quotas with necessary privileges and roles for Oracle & SQL Server databases
- Created backup plan design and implementation using cold/hot backups, Flash copy, Volume copy and RMAN backup technology.
- Used OEM Grid Control Diagnostic and tuning packs to tune the application and SQL queries
- Upgrading Oracle Databases from 9i to 10g
Environment: Oracle 9i, Linux, RMAN, SQL Server Database, OEM, Oracle 10g
Confidential, Atlanta, GA
Network / Web Admin
Responsibilities:
- Performed Weblogic Server Administration tasks such as Installation, Configuration, Monitoring, Performance Tuning and Load balancing.
- Involved in Weblogic 9.2 upgrade to Weblogic 10.3.
- Configured and administered JMS on Weblogic Server 8.1/9.2.
- Deployment and Troubleshooting of JAR, WAR and EAR applications in clustered environment with Weblogic.
- Configured and administered JDBC Connection Pools/Data Sources/Multi Pools on Weblogic Server 8.1/9.2.
- Installation and configuration of SOA suite 11g and BPM suite 11g
- Installation and configuration of OSB suite 11g
- Worked with Ant scripts to build JAR, WAR and EAR applications before deploying them on to production servers.
- Worked with development and testing teams to support build and release cycles.
- Populated Users, Groups and roles in LDAP Directory server security repository.
- Configured Secure Sockets Layers (SSL) for data encryption, client authentication and Two Way SSL for Weblogic 8.1/9.2 using Key tool.
- Setup Weblogic domain with a single server instance for developers on their windows machines.
- Performance Tuning using Wily Introscope in Weblogic environment.
- Configured and handled Samurai Log Analyzer and performed thread dump analysis.
- Perform situation analysis and recommendations for problem resolution. Prioritize problem and enhancement request queue to satisfy end user requirements within service level agreements.
- Worked with Customized WLST, Ant and Perl Scripts to automate system-admin jobs.
- Trouble shooted and resolved break-fix issues impacting websites.
- Experienced in using Verbose GC for garbage collection and tuning Heap size to reduce memory leakage.
- Worked in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions.
- Worked with JProbe in-order to adjust JVM Heap Size and reduce memory leakage.
- Provided active support for Load/Stress Testing, Troubleshooting and Performance tuning.
- 24/7 On-call support for Production, Non-Production and Testing environments.
Environment: Weblogic Server 8.1/9.2,10.6 JDK 1.6, J2EE, JSP, Servlets, EJB, LDAP, JDBC, XML, Wily Introscope, F-5 Load Balancer, Oracle11g, 9i, Solaris.
Confidential, Atlanta
Administrator
Responsibilities:
- Involved in the installation of Weblogic Server.
- Handling deployments on application Server
- Troubleshooting an application Server.
- Building and Automation the applications through ANT Script
- Handling Performance tuning of the Application server
- Attending pre and post review meetings for Deployment plans.
- Quickly respond to Alerts and Command center calls.
- Attending the weekly scheduled outages
- Designing, tests and realization wide range of services based on latest technologies
- Handle work and Change Requests and Incidents.
- Ensure all work performed falls within problem and change management procedures.
- Perform RCA for major incidents/issues.
- Perform Operational Checks, monitoring/restart batch jobs.
- Review and Maintain logs of production failures and resolutions
- Reviewing and understanding Implementation Plans before sign-off and be able to execute them on the implementation date.
- Patch installation to applications, and application server.
- Updating and configuring SSL certificates to Web Servers and Application Servers
Environment: Weblogic, Apache, Linux/ Solaris, JMS, WinSCP, JProfiler, Putty