We provide IT Staff Augmentation Services!

Systems Administrator Resume

3.00/5 (Submit Your Rating)

Charlotte, NC

PROFESSIONAL SUMMARY:

  • Experience in Installing, Configuring, Tuning and troubleshooting of Oracle WebLogic Server 7.0/8.1/9.x/10.x/11g/12c on Linux, Solaris and Windows platforms.
  • Installed and Configured Weblogic JMX and worked to setup with MBeans.
  • Integrating Weblogic Environments with Apache web server 2.2 for reverse proxy.
  • Intermediate knowledge of SQL 2014 and SQL 2016.
  • Hands - on experience in setting up multiple clusters and implementing Load Balancing, High Availability and Failover functionality.
  • Excellent working knowledge in finding Memory Leaks and adjusting JVM Heap Size and Garbage Collector parameters during performance monitoring and performance tuning of WebLogic server.
  • Experience in Maintaining, Configuration and Trouble-Shooting Oracle WebLogic Server.
  • Experience using Weblogic Admin, weblogic Deployer and weblogic server commands.
  • Experience in installing Oracle SOA suite 11g.
  • Extensive hands on experience in deploying J2EE Application archives which include JAR, WAR, EAR and RAR files and Web-Based/E-Commerce on Web Logic Application Server.
  • Configured SSL setup for Apache through WebLogic plug-in.
  • Worked on the Oracle Fusion Middleware stack of products like Oracle access manager, Oracle Internet Directory, Oracle Content DB, Oracle Portal, Oracle Collaboration suite, Oracle B2B etc.
  • Configure F5load balancer with Web servers. Used F5 to capacity, performance and reliability of the applications .
  • Experience in Java performance testing and troubleshooting using JConsole, JRockit Mission Control and JProfiler.
  • Experience on Scripting like shell, perl, Unix etc.
  • Configured WebLogic JDBC connection pools with databases.
  • Good understanding of load balancing using F5, Site minder and DNS.
  • Strong knowledge in Clustering EJB objects, JDBC connections and JMS connection factories.
  • Expertise in writing WLST scripts using Python for administration of WebLogic server
  • Experience in both Clustered and non-Clustered environments.
  • Excellent problem solving skills with a strong technical background and good communication and interpersonal skills. Self-motivated and a good team player.

TECHNICAL SKILLS:

Application Servers: WebLogic 10.x/11g/12c, Apache Tomcat 5.x, JBoss 6.x.

Operating Systems: RedHat Linux 5x/6x, SUSE Linux, HP-UX, IBM-AIX, Windows XP.

Languages: Java, SQL, Unix Scripting, Shell Scripting, WLST.

Tools/ Utilities: Wily Introscope, Anthill Pro, Maven, Ecplise MAT, IBM Heapanalyzer, Tealeaf

Protocols: T3, T3S, Http, Https, Ftp and TCP/IP.

IDE: IBM RAD 6.0, Eclipse, JBuilder

Data / Object Modeling: MS Visio

Testing Tools: JUnit, Win Runner 8.2, Test Director.

Monitoring Tools: Wily Introscope, JMeter, HP OpenView, Samurai.

PROFESSIONAL EXPERIENCE:

Confidential, Charlotte, NC

Systems Administrator

Responsibilities:

  • Installed, configured and troubleshooted WebLogic Server 12.1.3, 12.2.1 and Apache 2.4, under Windows, Linux environments
  • Installed and configured MW products such as Weblogic, Apache using HPSA (hewlett packard server automation) tool and used AnthillPro tool for deployments.
  • Worked on Work Flow Automation project (WFA) to automate applications when there is maintenance.
  • Worked on upgrading MiddleWare projects and upgraded Weblogic 11g/12.1.x versions to 12.2.1.x
  • Installed and Configured Apache HTTP Server 2.4 to proxy with WebLogic
  • Installed and configured Weblogic 12.2.1 from scratch (created domains, multiple managed instances, machines, clusters and configured Nodemanager, datasources, JMS and deployed applications. Configured Weblogic plugin on Apache webservers
  • JDBC Connection Pool and Multipool configuration with Oracle, MySql, Sybase, DB2 and SqlServer etc.
  • Experienced with RDBMS implementation and development using Oracle 10g/11g, PL/SQL, SQL Server, Microsoft Access and MySQL 4.0.18.
  • Installed and renewed SSL certificates for Web/App servers
  • Deployed various J2EE applications (WAR and EAR) on WebLogic, Tomcat and Jboss Servers using automated shell scripts and Anthill deployment tool
  • Configured JMS Queues and Topics using a managed JMS environment.
  • Developed various shell scripts and run them as scheduled Cron jobs to automate startup and shutdown of WebLogic and Tomcat servers.
  • Experience in Configuring and administering JTA, JNDI, SNMP and Node manager to administer the managed servers from admin console in WebLogic application server.
  • Monitored and tuned JVMs, JVM heap size, garbage collections, Java stack and Native thread results in Development, System Test, Staging and pre-production.
  • Log files analysis such as WebLogic server logs, node manager logs, plug-in logs, and thread dumps, verbose GC logs for troubleshooting and problem determination to resolve issues
  • Involved in application tuning to speed up the application
  • Develop database application forms using MS Access in coordination with SQL tables and stored procedures.
  • Used Wily Introscope monitoring tool to monitor the Weblogic servers
  • Trouble-Shooting of JVM memory issues such as Java Heap memory by monitoring garbage collection with Verbose GC and Trouble-Shooting of JVM out-of-memory issues, server crash, stuck threads on application servers.
  • Provided 24x7 on -call support for production environments.

Confidential, Boston, MA

Sr. Middleware Administrator

Responsibilities:

  • Installed, configured and troubleshooted Jboss Enterprise Application Platform (EAP) 6.4, WebLogic Server 10.3.x, 12.1.3, 12.2.1, Tomcat 8.x and Apache 2.4, under Windows, Linux and Sun Solaris environments
  • Installed and configured MW products such as Weblogic, Tomcat, JBoss and Apache using HPSA (hewlett packard server automation) tool and used AnthillPro tool for deployments.
  • Worked on Work Flow Automation project (WFA) to automate applications when there is maintenance.
  • Worked on upgrading MiddleWare projects and upgraded Weblogic 11g/12.1.x versions to 12.2.1, Tomcat 6.x/7.x to 8.x versions.
  • Installed and Configured Apache HTTP Server 2.4 to proxy with WebLogic and Jboss Servers
  • Installed and configured Weblogic 12.2.1 from scratch (created domains, multiple managed instances, machines, clusters and configured Nodemanager, datasources, JMS and deployed applications. Configured Weblogic plugin on Apache webservers
  • Installed, configured and created multiple instances of Host Controllers and standalone servers on Jboss EAP 6.4
  • Installed and renewed SSL certificates for Web/App servers
  • Deployed various J2EE applications (WAR and EAR) on WebLogic, Tomcat and Jboss Servers using automated shell scripts and Anthill deployment tool
  • Deployed applications on Jboss standalone and domain mode servers using hot deployments, CLI and management console
  • Configured domain controller, host controller, profiles, server-groups, servers and Data Sources on Jboss EAP 6.4
  • Configured JMS Queues and Topics using a managed JMS environment.
  • Configured JDBC, JNDI and Datasorces (XA and Non-XA) for Jboss 6.4 servers
  • Remotely managed Jboss server instances through HTTP Management Console
  • Developed various shell scripts and run them as scheduled Cron jobs to automate startup and shutdown of Jboss EAP, WebLogic and Tomcat servers.
  • Experience in Configuring and administering JTA, JNDI, SNMP and Node manager to administer the managed servers from admin console in WebLogic application server.
  • Configured Apache Webserver using Mod Cluster to distribute the load across clustered Jboss instances
  • Monitored and tuned JVMs, JVM heap size, garbage collections, Java stack and Native thread results in Development, System Test, Staging and pre-production.
  • Log files analysis such as WebLogic server logs, node manager logs, plug-in logs, and thread dumps, verbose GC logs for troubleshooting and problem determination to resolve issues
  • Involved in application tuning to speed up the application
  • Used Wily Introscope monitoring tool to monitor the Weblogic and Jboss servers
  • Trouble-Shooting of JVM memory issues such as Java Heap memory by monitoring garbage collection with Verbose GC and Trouble-Shooting of JVM out-of-memory issues, server crash, stuck threads on application servers.
  • Used jboss-CLI tool to develop basic scripts for automated Jboss administration (startup, shutdown, deploy and clear queues).
  • Provided 24x7 on -call support for production environments.

Confidential, Atlanta, GA

Weblogic/ Jboss Admin

Responsibilities:

  • Installed, Configured and administered OracleWebLogic Server 10.0 MP1, 10.0 MP2, 10.3, 11g, 12c, Oracle SOA suite 11g and Webservers like iPlanet/Apache in Development, Test and Production Environments.
  • Deployed applications (WAR, JAR and EAR) using WLST
  • Worked on upgrading jdk versions, also Weblogic servers from lower versions of 9.x, 10.x to 11g and recently 12c making sure all the applications are running after performing upgrade task
  • Maintained Load balancing, high availability and Fail over for the servers.
  • Written Chef Recipes to automate our build/deployment process and do an overall process improvement to any manual processes and also to write cookbooks in Chef.
  • Setup and Configure the continuous build system using Hudson/Jenkins and running automation smoke / nightly test suites.
  • Developed Startup, Shutdown and Bounce the WebLogic server scripts.
  • Configured and administered the JDBC, JMS and JNDI in OracleWebLogic Server11g and 12c
  • Wrote Shell Scripts to automate processes.
  • Used config wizard and config builder extensively to create and manage WebLogic domains.
  • Install configure JBOSS 5/6 Application server for the VPDC environment and currently working on the Prod environment setup in Cloud environment.
  • Configured JBOSS through a firewall based environment using TCP
  • Automated WAR deployment procedure in production environment running on JBOSS EAP 6.x using UNIX shell script
  • Conducted migrating operations on the application from Web Sphere to JBOSS and deployed web and enterprise applications on JBOSS application server.
  • Shell scripting for building and deploying Java application to target environments.
  • Experience in backup and recovery of Oracle SOA suite dehydration store.
  • Managed production support and troubleshooting for various Oracle SOA applications and involved in maintenance of production SOA instances.
  • Installed and configured Tomcat 6.0 and provided maintenance support.
  • Migrated Apache from 1x to 2.4.10 and Tomcat from 6x to 7.0.55
  • Deployed applications on Tomcat6.0application server instances in all the known environments.
  • Migrated WebLogic Server applications from existing version 10.0MP1/MP2 to 11c.
  • Involved in performance tuning of JVM and used Garbage collection Algorithms for better performance.
  • Installed and Configured SunOne, Apache 2.x WebServers, as a proxy plug in for WebLogic Server 10.0 MP2 and worked on tuning part of SunOne
  • Web Server / Proxy Server Setup and Administration (Apache, Tomcat, iPlanet, Apache SSL, and IBM WebSphere).
  • Wrote wrapper scripts to automate deployment of cookbooks on nodes and running the chef client on them in a Chef-Solo environment
  • Deployed multiple IP remediated applications as a part of the migration and tested the new applications successfully.
  • Registered the servers from the new DataCenter to the new Policy Server for Authentication of the applications.
  • Troubleshoot emerging application issues, from WebLogicconfiguration to code issues.
  • Developed ANT build scripts and UNIX shell scripts for auto deployment process
  • Experienced in applying the patches to the WebLogic servers.
  • Provided 24x7 on-call support for production / non production environments.

Environment: WebLogic Server 8.x/9.x/10.x/11g, Chef, iPlanet, Apache, UNIX shellscripts, ANT, SunOne, Apache 2.x, IBM WebSphere, Tomcat, JDBC, JMS, JNDI, Shell scripting, Chef, Hudson, Jenkins, Webmethods, Chef, Unix Scripting, JBoss 5.x/6.x.

We'd love your feedback!