09/06/2022 updated

KK
100 % available

Senior System Administrator

MARKAPUR, India
India
BE
MARKAPUR, India
India
BE

Profile attachments

CV - Krishna Kristamsetty

Microsoft WindowsIBM AIXApache HTTP ServerApache TomcatServer ApplicationOracle WebLogic ServerUnixIBM DB2Relational DatabasesLinuxMiddlewareWeb ServersIBM HTTP ServersIBM Websphere Application ServerInternet Information Services (IIS)Java Database ConnectivityJava Message Service (JMS)WildFly (JBoss AS)Microsoft SQL ServersMySQLOracle ApplicationsPuTTYTransport Layer SecurityServer MigrationKubernetesDockerServicenow
WebSphere, Tomcat, JBoss, WebLogic, Installation, configuration, WebSphere Application Server 7.0, 8.5, IBM HTTP Server webserver for IBM WebSphere Application Server, various platforms, configuring, JDBC providers, Unix, Linux, AIX, Windows, Application Servers, IBM WebSphere, WebLogic(basics), Webservers, IBM HTTP Server, Apache, IIS, RDBMS, MySQL, Oracle, DB2, MS SQL Server, Wiley, ServiceNow, EIS, QC, Putty, Secure CRT, Kony, application server, SSL, webserver, middleware, server migration, EAR, WAR files, wsadmin, Web Servers, JDBC, Resource Adapters, JMS,Docker & Kubernetes

Experience

Professional experience0 - 5 years

Languages

EnglishFluent

Project history

Senior System Administrator

Cognizant Technology Solutions
* Process : Mid-Ops
* Designation : Senior System Administrator

Roles and Responsibilities

* Installation, Configuration, Upgradation, troubleshooting and maintenance of WAS environments
* Installation of fix packs/cumulative fix packs
* Responsible for supporting in Dev, Test and Pre-Prod and Prod environments
* Creating various profiles and Federating Nodes to Dmgr
* Deployment of EAR & WAR files using WAS Admin Console and wsadmin scripts
* Configuring Web Servers definitions to handle through WAS admin console
* Configuring & Modifying resources required by Applications (JDBC, Resource Adapters, JMS etc.)
* Enabling Global Security and assigning Roles to users & user groups
* Responsible for handling Requests / Incidents / Changes
* Generating Thread and Heap dumps in case if there is any OutOfMemory, Hung thread, performance
related applications
* Trouble shooting various problems in different stages of development by analayzing logs files.
* Enabling SSL Security in Web Environments for IBM HTTP Server
* Excellent problem resolution and communication skills with ability to work under pressure to
deliver.
* Installing/renewing the SSL certificates
* Configuring Queues, Queue Connection Factories, Queue destinations and message listener services
* Performed the administrative tasks by using MQSC commands.
* Involved in Documentation of all procedures and whenever there is a severity issue, RCA will be
done, Incident report will be prepared and documented in project repository

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