System Administrator

2 weeks ago


Chicago, United States Tata Consultancy Services Full time

Skill: Middleware administrator

  • Must have experience installing, configuring and administering Middleware(Weblogic 11g/12c, WebSphere & Tomcat 10) Servers.
  • Should have excellent skills in WLST.
  • Candidate must have expertise at clustering, application deployments and providing support to users in a fast paced, high availability, low latency environment.
  • Experience in Garbage collection / JVM tuning, memory management.
  • Expertise in system analysis, application server configuration, and administration.
  • Expertise in application build and deployment.
  • Knowledge of Java/J2EE application troubleshooting.
  • Experience with Configuring Web Servers (Apache) and Load Balancing to work with Weblogic.
  • Strong understanding and working knowledge of networking, DNS, load balancing, and J2EE environments.
  • Strong skills in WLST.
  • Experience developing and executing WLST and UNIX shell scripts to automate common tasks including domain configuration and application deployments.
  • 8 to 12 years of experience in weblogic administrations.
  • Ablity to manage new project/assignment and should manage effectively.
  • 24 X 7 oncall production support of multiple middleware instances to include tuning and troubleshooting.
  • Install, upgrade, and configure Oracle Weblogic, Oracle Application Server and other middleware components including IBM Websphere and MQ.Looking for strong Weblogic skills.
  • Should have experience with deploying J2EE Applications on Weblogic/Websphere/Tomcat.
  • Experience in writing automation scripts in WLST, Ant, Jython or Python and knowledge of Shell scripts.
  • Should have excellent skills in WLST programming.
  • Perform and document technical administration and troubleshooting of middleware components including custom J2EE applications.
  • Responsible for providing day-to-day support and maintenance for key middleware environments.
  • Work in conjunction with other IT, application development, and business groups to understand functionality, scalability, performance, security, and integration requirements from the middleware perspective.
  • Provide a high level of customer satisfaction through the effective delivery of technical support and service.
  • Handling the ITSM requests(INC/CHG/PRB/VULs raised by the application teams related to middleware.
  • Analyzing the alertsfrom Introscope, Sitescope and other monitoring tools to provide 100% application availability of the environment.
  • Sound knowledge in Capacity planning and Performance Management.
  • Drive SWAT Calls (Critical and High) during outages.
  • Provide right solution within minimal timeslines to avoid business impact.


#LI-NR3
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