Production Support Change Management

Chaitanya Krishna Dirisala

Email: adyrlu@r.postjobfree.com

Professional Summary:

•7+ years of IT experience with Oracle Fusion Middleware,Apache, Tomcat, JBOSS EAP 6, Web Logic 12c/11g, installation, Configuration, Deployment, Administration, Migration and Production Support on heterogeneous systems like AIX, Linux environment.

•Provided 24/7 support in production environment on rotation basis.

•Extensive working experience in setting up Weblogic cluster environments, including Weblogic Domains, Admin Servers, Managed Servers and Node Manager.

•Scaling up Managed server if needed and also creating domains as per requirement.

•Experience in maintaining BEA Weblogic Server on different Unix platforms and setting up the Staging and Production environments.

•Monitoring the application using Splunk.

•Have handled different issues and modified, developed scripts and ensure the issues are resolved. Using scripting language have automated the deployment process.

•Have resolved code related issues and troubleshoot them with in the SLA and timeline.

•Experienced in Troubleshooting, Load Balancing, Clustering, Deploying applications,

Middleware Performance Tuning and Maintenance of Applications and Web Servers

•Proficient in deploying the JAR, WAR and EAR applications on target managed servers by using the tools using scripts and manually.

•Had experience in F5 LTM to deliver applications to users in a reliable, secure and optimised way and also to configure the load balancing.

•Strong knowledge and working experience in Incident Management, Change Management, Problem Management and other aspects of ITIL.

•Created and configured domains in Production and Non production environments.

•Experience in configuring Node Manager to start and stop managed servers from admin console.

•Experience in both Clustered and non-Clustered environments.

•Scheduled Cron jobs.

•Knowledge on applying the patches to the Weblogic servers.

•Worked on Service Now ticketing tool.

•Skilled in leadership, self-motivated and ability to Trouble shooting various problems in different stages of production and non-production using logs files.

•On-call support (24x7), Monitoring and maintaining multiple Applications at production and non-production.

•Resolving P1 and P2 issues in a stipulated time line.

•Extensively worked on BEA WebLogic server, Apache http server and Apache tomcat server as administrator for several installations, configuration, application component deployment, performance tuning including troubleshooting and maintenance.

•Excellent working knowledge in configuring multiple WebLogic domains including machines, manage servers, node managers and cluster environments.

•Very good knowledge on Linux/Unix Administration.

•Knowledge on AWS such as Creating VPC’s, EC’s, subnets and so on resources using AWS terraform and S3 buckets, IP routing.

•Knowledge on Python and shell scripting and Linux commands.

Technical Skills:

Application Servers

Weblogic 11g, 12c

Web Server

Apache

Scripting

Shell,Python

Monitoring Tool

Splunk

IAC software Tool

Terraform

Repositories

Github, maven, artifactory

Languages

C programming language

Cloud/Virtualisation Technologies

Amazon Web Services(AWS)

Operating Systems

SUN Solaris, Linux

Tools

IBM URBAN Code Deployment(UCD), DAP, Maven, DBRUN,Putty,CyberARK

Ticketing Tools

ServiceNow

Database

Mysql

Education Qualification:

Marri Laxman Reddy Institute of Technology : Bachelor of technology in Computer Science Engineering (2012 – 2016)

Work Experience:

Weblogic/Production Support Jun,2023-Present

Vena Portae INC

Roles & Responsibilities:

• Worked on existing scripts using shell scripting and python scripting.

•Change Management: Managed the change by coordinating between different teams(Development, Implementation and Application) to complete the code and application deployment in the given timeline.

•Analysing the requirements and co-ordinating with cross functional teams in the development and delivery of process innovations to attain business objectives.

•Maintaining Backup’s and monitoring, maintain applications.

•Working knowledge of Operation & Production Support with large mission critical systems.

•Strong knowledge and working experience in Incident Management, Change Management, Problem Management and other aspects of ITIL.

Environment: Linux, Unix, Shell script, Weblogic, ServiceNow, Java.

Weblogic Administrator & Production Support Jul,2017-Jun,2023

HCL Technologies LTD

Roles & Responsibilities:

• Developed and maintained the existing scripts using shell scripting and python scripting.

•Executing database files in database schemas.

•Excellent working knowledge of Operation & Production Support with large mission critical systems in multiple technologies and platform such as WebLogic, Apache, JBOSS, UNIX.

•Strong knowledge and working experience in Incident Management, Change Management, Problem Management and other aspects of ITIL.

•Created and configured domains in Production and Non production environments.

•Experience in configuring Node Manager to start and stop managed servers from admin console.

•Experience in both Clustered and non-Clustered environments.

•Scheduled cron jobs.

•Resolving tickets which include stop/start operations, deploying new releases, changing configuration based on client requirement and troubleshooting issues.

•Proficient in deployment of tar,war,ear and zip files in domain and clustered environments of WebLogic servers.

•Monitored the application,hosts,system health status using Splunk.

•Admin console and Urban Code Deploy (UCD), DAP, DWEB, CYBERARK tools are used in various work environments like SIT,UAT,DEMO and Production,maintained Load balancing, high- availability and fail over functionality.

•Worked on MQ’s like creating MQ channel, Queue and Troubleshooting the MQ connectivity on PROD environments.

•Extensive experience in WebLogic Administration, Monitoring, Troubleshooting on WebLogic Servers.

•Have handled different issues and modified, developed scripts and ensure the issues are resolved. Using scripting language have automated the deployment process.

•Have resolved code related issues and troubleshoot them with in the SLA and timeline.

•Review and analyse high impact outages to ensure the proper processes and procedures are in place to avoid problems in the future.

•Make decisions in implementation plans and identify project risks and resource requirements.

•Worked closely with development and testing teams to implement fixes in lower and Production environments.

•Performed start and stop of servers through DBRUN tool.

•Proficient in restarting the complete application as part of weekly maintenance.

•Having experience in creating Change Request (CR),Service Now request(SNOW),Incidents(INC).

•Collaborate and consult with different teams and managers to resolve issues and achieve goals.

•Working as Individual Contributor to handle all sign off meetings.

Environment: Linux, Unix, Mysql, Apcahe, Cron, Shell script, Weblogic, ServiceNow, CyberArk, Java.

Weblogic/Production Support Jun,2016-Jun,2017

SP Software Pvt Limited

Roles & Responsibilities:

• Experience working on MIDDLEWARE TECHNOLOGY.

• Experience in Fusion Middleware WebLogic as an analyst on Sun Solaris and Red Hat Linux

• Provided 24/7 support in production environment on rotation basis

• Extensively worked on BEA WebLogic server, Apache http server and Apache tomcat server as administrator for several installations, configuration, application component deployment, performance tuning including troubleshooting and maintenance.

•Excellent working knowledge in configuring multiple WebLogic domains including machines, manage servers, node managers and cluster environments.

•Proficient in deployment of WAR,JAR,EAR and in domain and clustered environments of WebLogic servers.

Environment: Jboss, Unix, Linux, Weblogic, ServiceNow,Java.

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