Candidates About

Venkata SivaKrishna Chaitanya  Thummapudi

SUMMARY

·         Over 7.1 years of focused IT experience with a proven track record of design, installation, System administration, configuration and production support of distributed environments & J2EE Application administration being the key strength.

·         Implement and manage continuous delivery systems and methodologies on AWS.

·         Understand, implement, and automate security controls, governance processes, and compliance validation.

·         Define and deploy monitoring, metrics, and logging systems on AWS.

·         Implement systems that are highly available, scalable, and self-healing on the AWS platform.

·         Design, manage, and maintain tools to automate operational processes

·         Strong system administration skills in WebSphere Application Server Environment on AIX, Linux, Sun Solaris & windows operating Systems.

·         Strong system administration skills in Tibco BW & Tibco EMS Environment Set up on Linux , Solaris systems .

·         Specialization is in Project Design, Development and Deployment Framework Implementation, expertise in TIBCO Products viz. Business Works, Business Events,  TIBCO RV, TIBCO EMS, TIBCO Administrator and TIBCO Hawk.

·         Expert in implementation/installation/maintenance/support of BW/Adapters Farms.

·         Expert level skills in MQSeries and Tibco Admin with EMS, Business Works, TIBCO Rendezvous, JAVA JMS, XSD, XSLT and with Product Testing Methodologies.

·         Experience in Migrating Process Models from lower versions to higher versions.

·         Strong knowledge of systems development life cycle methodology (SDLC).

·         Involved in all phases of testing, which includes Unit Testing, Performance Testing, system Testing and Integration Testing.

·         Extensive experience in optimization and migration  of Enterprise Applications over different versions of WebSphere Application Server (WAS) 8.0/7.x/6.x/5.x.running on AIX, Solaris and Linux       operating systems.

·         Extensive experience in installing, configuring and administering IBM HTTP Server (8.5) and Sun/iPlanet Web Server.

·         Experience in WebLogic or WebSphere Admin Server/Node Manager/Managed Server components.

·         Used HP TeamSite for content management and deployment.

·         Experience in Applying Fix Packs for WebSphere Application Server and IHS.

·         Experience in administering and configuring JMS, JDBC, JNDI, Virtual Hosts, SSL, and LDAP.

·         Implemented high availability and work load balancing solutions using vertical and horizontal scaling environments

·         Configuring of JDBC Providers, Data Sources, Virtual Hosts, Global Security, SSL, and LDAP.

·         Used Tivoli Performance Viewer and Wily Introscope to monitor the performance of the systems.

·         Extensive experience in installing and configuring the Site Minder agents in the webservers for enabling Single Sign On Functionality.

·         Experience in installing , configuring and administering Oracle BEA WebLogic server 11g/12c , SOA Suite 11g/12c,  OSB11g.

·         Expertise in Jacl, and Jython scripts and shell scripts to automate the maintenance process of the WebSphere.

·         Served the request on the basis of ITIL Process (Incident,Change and Problem Mangement using Service Now tool).

·         Well versed and hands on experience in developing, deploying, implementing, testing and support of full life cycle implementations of various J2EE/Internet/Intranet and distributed applications.

·         Well versed in the various procedures and processes involved in resolving outages and providing production support for multiple projects and working effectively with different groups in multiple environments (Development, QA and Production).

·         Provide Support to Development Teams ,  Testing Teams on  Implementation of  application on WAS.

·         Experience with a proven track record of supporting multiple projects in distributed environments.

·         Performing DevOps responsibilities using IBM WAS, BAA, ICMS and debug, analyze issues.

AWS Certification Solution architect associate

Experience

Client: Citigroup, Irving, TX                                                                                               May’15 – Till Date

Role: Sr.DevOps Engineer                                                                                                                  Location : Irving, TX

Worked in a Team of 6, I contributed by associating with various teams to deploy & install applications in Tibco .

This project Citi Bank Mobile provides the APP user interface for North America Banking customers.

CITI Bank Mobile application which is designed for mobile banking experience . We will have different services configured in Tibco for supporting the Front end java application to connect to different Back ends .

Responsibilities:

• Installation of TIBCO Products TRA BW, Admin, Adapters , MQ and EMS in SIT and UAT LINUX servers.
• Creation of TIBCO domain in DEV/DIT/SIT/UAT LINUX servers.
• Validation of TIBCO domain in DEV/DIT/SIT/UAT environments.
• Deployment / On Boarding of BW/MQ Adapter applications and bring it up and running without any issue in LINUX background for ESB, Cards, Citi Offer Palette, Citi Planner domains.

3 DNS URL setup for EMS, JNDI and INFRA Database.

• Provided L2 support for connectivity and transaction testing with applications teams.
• Responsible for code sync up in all the DIT/SIT/UAT environments which compromises the TIBCO services such as BW/BE/MQ Adapter cases as well.
• Responsible for maintenance of around 100+ EMS instances, 70+ TIBCO BW domain .
• Creation of BW resource templates and deployment of TIBCO services in Active Matrix environment.
• Implemented TIBCO Hawk rule base to monitor BW engine, BE engine, EMS Server, and MQ Adapters.
• Configuration of gold parameter values to BW, EMS, Hawk and Administrator.
• Configured various environments for testing and certifying TIBCO adapters
• Created a fault-tolerant EMS framework to test the adapter behavior in a high availability environment
• Create rule bases to extract the performance statistics of adapters and suggest enhancement to adapter Micro agents
• Setup the TIBCO Administration server on a standalone machine for Resource Management purposes and configure the hawk agents on machine running the TIBCO Applications
• Design and develop the infrastructure for the project. Create topics and Queues in TIBCO Admin.
• Deployment and administration of the deployed services using script-based deployment involving TIBCO Administrator .
• Investigated and analyzed issues reported in adapter integrations with TIBCO Business Works .

Suggested migration strategies to TIBCO End Users

• Tested and delivered patches/hotfixes prepared by TIBCO Engineering .
• Designed and implemented a Logging and Error handling framework in place for logging, monitoring, auditing and error debugging using TIBCO Business Works 5.x as part of the consulting efforts              of the team
• Performed Release Engineering tasks for application adapters and coordinated between various Tibco Infrastructure product team.

Experience

Client: Citigroup, Irving, TX                                                                                               Jan’13 – May’15

Role: Sr Software Administrator                                                                                               Location :Chennai,India

This project Citi Bank Account Online (AO) provides the full site user interface for North America Banking customers for credit cards , Account online consists of credit card and premium card customers.

Responsibilities:

• Installed Web sphere 7.X Application Server and clustered them.
• Involved in all phases of application move from development to production.
• Developed scripts to automate the deployment of applications into web sphere Application.
• Involved in Architecture and design of hosting solutions for proposal responses to RFP's.
• Involved in Providing input on RFP's, Service Level Agreements and cost estimates
• Deployed mobile artifacts from Development to higher environments using automation tool and sometimes manual deployments.
• Handled user accounts and groups accounts, disks and file management system.
• Involved in various trouble shooting sessions in fixing the application issues .
• Involved in various audits requirements for finding the differences in team site web files & Clear case static content files .
• Involved in doing deployments using BAA tool & performing the sanity’s after the deployments for full site of Citi bank Account online full site application.
• Involved in web server static content deployments & written various static content redirection rules of web server .
• Comprehensive experience in designing and developing applications using UML with Rational Rose.
• Made SDLC recommendations and implemented xml development best practices.
• Accessed and manipulated the Oracle 11g database environment by writing SQL queries in the oracle Sql developer for testing purpose.
• Used SVN for source Version Control.
• Worked in building, configuring and setting up Testing and Production Environments and tested and supported the project according to Business Rules and specifications.
•  Configured and Enabled the Global Security System for WAS Administration for Console users and Console Groups using Active Directory Server as a LDAP User Registry.
• Involved in Creating and Managing the Nodes, Application Server’s, Cluster’s and Deployed Multiple J2EE Applications
• Profiled all the J2EE Application’s and worked with Application Groups in improving performance of application and possible memory leaks in application before deploying.
• Deployment of J2EE Applications involved in Creating Cluster’s for Load Balancing and Failover, Configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management.
• Administered, configured, tuned and Troubleshot WebSphere in a clustered environment on Aix.
• Interacted and Co-ordinate with different Application Groups for Hot Deployment and Dynamic Reloading of the Applications.
• Involved in Troubleshooting and resolving problems encountered when implementing models.
• Provided technical and production support for both online and batch environments of existing systems.

Experience

Client: Citigroup, Irving, TX                                                                                               Mar’11 – Jan’13

Role: Systems Engineer                                                                                                                            Location : Chennai,India

This project Citi Bank Online (CBOL) provides the full site user interface for North America Banking customers for Bank Accounts .

Responsibilities:

• Responsible in architecting and designing the application as per the Functional Specification given by the client.
• Responsible for completely handling this application from the design phase to till development phase of the application.
• Responsible for leading the teams in both design, development and testing phases.
• Participated in design discussions with the BA Teams for developing this application.
• Involved in Coding, testing and reviewing the code.
• Assign the task to the team as per the eScrum model.
• Conduct scrum meetings. Helping peer to resolve issues.
• Update onsite team with status in daily scrum calls.
• Conducting peer reviews of the deliverables. Update the weekly status reports to Onsite coordinator.
• Work to minimize the schedule slippages by effective leverage of the resources.
• Assuring quality and timely deliverables.
• Discuss with the Redivision team on the source stoppers noticed during the deliverables.
• Conducting peer reviews of the deliverables and publishing the code review documents.

Technical SKILLS

Education Qualifications:

• Bachelors of information technology, India – 2010