SUMMARY

• Over 15 yrs of IT experience, 8yrs of experience in the area of development of WebSphere Application Server Infrastructure Build, Migration and Administration on Solaris, AIX,HP - UX, Linux and Windows environments and 1yr experience in DevOps Varies Tools and implemented CI/CD and 2yrs in AutoSys Job Scheduling Tool running on Unix.
• Strong experience in IBM WebSphere Application Server and integrating with various webservers, databases, LDAP and security servers.
• Analyzing the business requirements and system specifications to understand the application.
• Adept in troubleshooting incident tickets, change requests and building the environment.
• Carry out impact analysis on any new requirement and appraise the end clients on the risks and challenges.
• Experience in using Tivoli Performance Viewer and Log Analyzer for Performance Tuning and Troubleshooting
• Deft at installation and configuration of IBM WebSphere Application Server v8.5.x/8.0/7.0/6.x using GUI and Silent installation techniques, IBM HTTP Server (8.5.x/8.0/7.0/6.x), and Web Server Plug-in.
• Installation and configuration of certificates for one way and two way authentication of client and server.
• Proficiency in installing and upgrading Fix packs enabled Global Security.
• Created JDBC Providers, Data sources, and JAAS authentication aliases in order to provide connectivity to Oracle, DB2 (mainframe and UDB).
• Worked closely with IBM on problem determination, and resolution - PMRs
• Good at analyzing heap dump using IBM Heap dump analyzer and thread dump using Thread dump analyzer.
• Experienced with Client Server Architecture using backend DB2/UDB, Oracle and SQL Server.
• Well versed in creating resources, modifying properties, view runtime attributes, commit modifications and securing administrative server using Authentication, Authorization, Certificates, Credentials, Permissions, WebSphere Resources (Servlets, JSP files, HTML files).
• Hands on knowledge on DevOps Tools like Jenkins, Chef/Ansible Tower, Docker, Git/GitHub, Bitbucket, IBM Ubuild, IBM Udeploy & IBM Urelease.
• Adapting and implementing Continuous Integration and Continuous Delivery process implementation using Bitbucket, Jenkins and AnsibleTower.
• Involved in all phases of software life cycle with emphasis in maintenance and support of Application Servers, by setting up the environment for development, testing and production stages.
• Functional experience includes Banking, Shipping and Retail.
• Experience in creating SSL Certificate using ikeyman utility and keytool.
• Renewing SSL certificates and signer certificates and dealing with issues related to certificates.
• Well versed in creating resources, modifying properties, view runtime attributes, commit modifications and securing administrative server using Authentication, Authorization, Certificates, Credentials, Permissions, WebSphere Resources (Servlets, JSP files, HTML files).
• Involved in all phases of software life cycle with emphasis in maintenance and support of Application Servers, by setting up the environment for development, testing and production stages.
• Ability to rapidly learn new concepts together with excellent interpersonal skills. Ability to communicate requirements effectively to team members and manage applications.

TECHNICAL SKILLS

Web/Application Servers: IBM WebSphere Application Server v8.5.x,8.0.x,7.x.,6.x, IBM HTTP Server v8.5.x,8.0.x,7.x.,6.x, Oracle HTTP Server 11.x,Apache web server2.0, Tomcat, Jboss 5x/4x, WebSphere MQ 7.0/6.0

DevOps Tools: Git/GitHub, Jenkins,Chef, AnsibleTower, DockerIBM UrbenTools(UBuild, UDeploy, URelease)

RDBMS: Oracle 9i,10g, 12c, MySQL, MS Access, DB2

OS: Sun Solaris 10/9, IBM-AIX 6.0/5.3/5.2/5.1 , Red Hat Linux 9.0/8.1/6.0/5.0 , Linux 3.x/2.x, UNIX, Win XP/2000/NT/ 2003/2008/2012 Server

Other Tools: Tivoli Performance Viewer, Wily Introscope 8.2.1/9.1, IBM Java Core Analyzer1.4, IBM Heap Dump Analyzer, Winscp and Putty

Languages/J2EE Technologies: Java, C, C++, HTML, JavaScript, Python

Ticketing Tool: BMC REMEDY, HP Service Manager 9.3, ServiceNow

PROFESSIONAL EXPERIENCE

Confidential, Irving, Texas

IBM WebSphere Infrastructure Build & Migration Lead

Responsibilities:

• Analyzing, Planning and Designing the middleware environments as per functional specification and business requirement documents.
• Analyzing the existing environments like Dev, Stage and Production and identifying the infrastructure details like type of Operating System, Middleware Components, SiteMinder for SSO integration, backend database etc
• Installed and configured IBM WebSphere Application Server 8.5/8.0.x on Linux operating platforms.
• Installed and configured IBM HTTP Server 8.0/8.5. created web server definition and generated web server plug-in on Application Server to redirect request from Web Server to IBM Websphere Application Server.
• Disabling the weak cipher suits like 3DES, MDS, RC4 and enabling only strong cipher suits at Webserver and application server level.
• Deploying the applications on the new environment by mapping the right targets and context root.
• Creating the virtual host specific to the application to isolate from other applications
• Configured JDBC Providers, Data Source, Virtual Hosting, Global Security, LDAP.
• Implemented the concepts of IP plumbing for each host machine to configuring Virtual IP for applications by coordinating with network team.
• Disabling SSLv3, SSLv2, TLSv.1 protocols to provide at most security to the applications.
• Configuring the SSL at the IBM Http server end with the created Virtual IP by creating the new Key Database File and raising the CSR and stalling the approved certificates.
• Involved SiteMinder team to configure SingleSignOn page for the application URL.
• Setting up major monitoring to keep critical environments under complete surveillance through Tivoli monitoring
• Coordinating with application support team for any issues during or after the deployment and helping them in troubleshooting the issues and providing the solution.
• Performed POC for low environment before proceeding with Production environment.
• Coordinating with Application Team, Database Team, SiteMinder Team, Citi management and all the other teams.
• Applied fix packs, refresh packs and patches for different versions of WAS and Web servers in all the environments.
• Performed Tuning by implementing Workload Management (WLM) and setting up various parameters in Web server.
• Administered WebSphere application server applications, which includes configuration, clustering, administration, performance tuning, deploying port lets/ pages, for portal applications.
• Involved in server log and domain log monitoring and application deployment of WebSphere Application server.
• Implemented the Clustering Topology that meets High Availability and Failover requirement for performance and functionality.
• Extensively worked with creating projects in sharepoint and implemented source code management using sharepoint.
• Generated and created SSL keys and certificates and configured in IBM Http Server use the SSL communications.
• Managed Security and Performance optimizations for IBM WebSphere, IBM HTTP Server and Apache Web Server.
• Configured and used Wily introscope, Site scope, HP BAC, VSM performance monitoring tools to monitor application resources (Enterprise Java beans, Servlets) and WAS runtime resources (JVM memory, application server thread pools, database connection pool).
• Troubleshooting on issues such as out of memory, memory leaks, hung sessions and session replication, federation of nodes and synchronization of nodes with NDM.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling.
• Enabled Global Security feature by configuring LDAP as user registry and LTPA with Single Sign On for authentication and authorization privileges.
• Prepared technical documents related to operations based on enterprise architecture.
• Worked with the IBM Tivoli Workload Scheduler.
• Worked on defining and configuring Application Servers, Virtual Hosts, Web Resources, JDBC Drivers, Web Applications, Servlets, and Servlet Engines-as well as deployment of EJB’s across multiple instances of WebSphere.

Environment: IBM WebSphere Application Server v8.5.5.9IBM HTTP Server 8.5.5.9, Oracle 12cSiteMinder R12.52SP1CR06, Solaris, Linux Chef tool, CAS tool.

Confidential, Tampa, Florida

IBM WebSphere Infrastructure Build & Migration Lead, WebSphere Administrator

Responsibilities:

• Analyzing the existing environments like Dev, Stage and Production and identifying the infrastructure details like type of Operating System, Middleware Components, SiteMinder for SSO integration, backend database etc
• Installed and configured IBM WebSphere Application Server 8.0/8.5.x on Windows operating platforms.
• Installed and configured IBM HTTP Server 8.0/8.5. created web server definition and generated web server plug-in on Application Server to redirect request from Web Server to IBM Websphere Application Server
• Deploying the Atlas application on the new environment
• Creating the virtual host specific to the Atlas application to isolate from other applications
• Configured JDBC Providers, Data Source, Virtual Hosting, Global Security, LDAP.
• Configuring Virtual IP for Atlas application by coordinating with network team.
• Involved SiteMinder team to configure SingleSignOn page for the application URL.
• Configuring the SSL at the IBM Http server end with the created Virtual IP by creating the new Key Database File and raising the CSR and installing the approved certificates.
• Coordinating with application support team for any issues during or after the deployment and helping them in troubleshooting the issues and providing the solution.
• Performed POC for low environment before proceeding with Production environment.
• Coordinating with Application Team, Database Team, SiteMinder Team, PwC management and all the other teams whoever is involved for smooth implementation of the project.
• Applied fix packs, refresh packs and patches for different versions of WAS and Web servers in all the environments.
• Created and configured MQ objects like Queue Managers, Remote queues, Local Queues, Aliases Queues, Transmission queues and performing tuning/ monitoring the MQ objects.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and WSADMIN.
• Working with the different monitoring tools like Tivoli and CA Willy Introscope.
• Configuring the Servers in the monitoring tool.
• Installed and configured resources like JDBC providers, JDBC data sources, and connection pooling.
• Installing the SSL certification for the different version of the application and WebServers.
• Configured Global security for WebSphere Application Server5.1/6.0/6.1 and using LDAP user registry.
• Utilized skills wsadmin/jacl scripting to automate deploying updating, applications, migrating data and automating batch jobs.
• Proposed High Availability Application Server infrastructure.
• Build partnership with the Middleware Engineering team and other IT teams to improve the turnover and automation of Middleware technology administration.
• Understands and follows the Software Development Life Cycle and path-to-production best practices.
• Provide proactive Monitoring and permanent fix for any issues. Take Lead to completion of issues .
• Working with IBM Support through PMR.
• Working the Security Vulnerability Poodle 1 and Poodle 2 for the production serves so that there would avoid the security breach into servers.
• Trouble shooting the WebSphere Application Server, WebSphere MQ, WebServer and other performance related issues.
• Performance tuning utilizing diagnostic tools and analyze heap dumps and thread dumps. Run MQ traces.
• Perform Technical Lead role for small/medium Middleware infrastructure projects.

Environment: IBM WebSphere Application Server v8.5.5.9IBM HTTP Server 8.5.5.9Oracle12c, SiteMinder R12.52SP1CR06 Windows Server 2008 R2 Standard, Windows Server 2012 R2 Standard

Confidential

Responsibilities:

• Manage the inventory of applications using SHA1 and co-ordinate the upgrade to SHA2 certificates with inputs from required supporting teams.
• Identify and manage inventory of all Internal US SSL server certificates.
• Identify and maintain inventory of WebLogic/WebSphere key stores. This also requires co-ordination with in- flight efforts which are upgrading WebLogic and work with relevant teams to co-ordinate upgrades to SHA2.
• Create proxy servers for EDWS in for Dev, Stage and Production which will be used by applications on SHA1.
• Perform an update to VPN/Wifi to support SHA-2 client certificates (SHA2 & SHA1 to co-exist on these network devices) helping NOC team by raising the CSR related to the Virtual URLs and providing the necessary signers and certificates.
• Upgraded the virtual urls related to US/UK/CAN Territory applications hosted on IBM Http Server from SHA1 to SHA2.
• Adding/replacing the SHA1 signer certificates at WAS level under Cell and Node Scope.
• Adding the signers w.r.t to the WSDL urls called by different applications.
• Coordinating with other middleware teams like WebLogic, Tomcat to upgrade the certificates and signers from SHA1 to SHA2.
• Coordinating and updating the status to PwC management on daily and weekly basis by consolidating the information from all the teams.

Environment: IBM WebSphere Application Server v7.0,v8.0,v8.5.5.x IBM HTTP Server v7.0,v8.0,v8.5.5.x, IBM DB2, Oracle 12cWindows Server 2008 R2 Standard, Windows Server 2012 R2 Standard

Confidential

Responsibilities:

• Identifying the list of WAS and IBM Http servers with version V8.x and above.
• Identify and analyze the applications that are compatible with the SSLv3 Implementation.
• Applying fixpack for WAS and IBM Http servers for which are non-compatible with SSLv3.
• Making the configuration changes in httpd conf file related by IBM Http server by commenting the 3DES algorithm parameters and turning off the extended status.
• Setting up the Quality Of Protection parameter to SSL TLSv2 in WAS console for respective Nodes and Cell.
• Identifying and Transition to Ops and ODT team about the implementation.
• Coordinating and updating the status to PwC management on daily and weekly basis by consolidating the information from all the teams.

Environment: IBM WebSphere Application Server v7.0,v8.0,v8.5.5.x IBM HTTP Server v7.0,v8.0,v8.5.5.x, IBM DB2, Oracle 12cWindows Server 2008 R2 Standard, Windows Server 2012 R2 Standard

Confidential, Charlotte, North Carolina

DevOps Engineer

Responsibilities:

• Using Horizon which is an enterprise SDLC automation platform which automates software delivery process using Continuous Integration and Continuous Deployment pipelines.
• Manages unit of work (Features, Stories, Tasks etc) through JIRA.
• Manages delivery source code in Bitbucket.
• Creates and maintains Delivery Automation(CD) Jenkinsfile along with delivery automation code, Continuous Deployment Jenkinsfile when committed and pushed to Bitbucket triggers Jenkins build.
• Used CD pipeline to trigger deployment through AnsibleTower.
• Uses and sets-up templates in AnsibleTower for deployments in various environments like Dev, Cert & Prod.
• Uses Continuous Integration pipeline to build code through one of the supported build tools like Maven though Jenkins.
• Uses CI pipeline for packaging and publishing artifacts to JFROG Artifactory for eventual deployment to target servers.
• Created and configured templates in AnsibleTower for restart of the middleware servers for Dev, Cert and Prod environments.
• Enables CD pipeline to be triggered from software developers CI pipeline to deploy code continuously to development environments.
• Taking care of deployments and restart of applications GBAMCHH, GBAMCCH Business Banking, GBAM Cortex through IBM UrbenBuild and IBM UrbenDeployment tools which are non-horizon platforms.

Environment: Bitbucket/Git,GitHub, Jenkins, AnsibleTowerIBM Ubuild, IBM Udeploy, IBM UreleaseIBM WebSphere Application Server v8.5.5.9, TomcatIBM HTTP Server 8.5.5.9, Cassandra DB, Oracle 12c

Confidential, Bentonville, Arkansas

Middleware Specialist/WebSphere Administrator

Responsibilities:

• Installation, Configuration of Web sphere application server 6.x/7.x for clustered environments, creation of data sources, queue destinations, connection managers, listener ports and upgrades.
• Setting up Horizontal and Vertical clustering for Work Load Management and fail over support and con-figured session management, tuned the plug-in.
• Experienced in installing and upgrading fix packs and migrating to latest versions. Investigated memory leaks in was v7.0/6.x and obtained appropriate fixes from IBM to upgrade the installation.
• Deployed enterprise applications from the admin console and defined virtual hosts and environment variables.
• Worked on various environments like development, stage and production as part of the application deployments.
• Performing Load test reviews on development and stage servers with the help of HP performance center.
• Handled various production and non-production issues with PIT(Project issue tracking) tickets and Main-frames incident tickets and change related activities with a Change Control with the help of Remedy Ticket tool.
• Configuring of JDBC Providers, Data Source, Virtual Hosting. Global Security, SSL, LDAP at Application server level and created users roles.
• Analyzing Heapdumps and Coredumps and investigated memory leaks in was v7.0/6.x and obtained appropriate fixes from IBM to upgrade the installation and diagnosed application server problems and inter- acting with IBM support to solve problems.
• Involved in troubleshooting and resolving problems encountered when implementing models on 24X7 with IBM PMR services.
• Involved in Documentation of all procedures and any other important issue.
• Responsible for deploying, monitoring application performance, log files and provided information to the developers.
• 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 Tuning of WebSphere Application Server for performance improvements.
• Renewing SSL certificates and signer certificates and dealing with issues related to certificates.
• Experienced in installing and upgrading fix packs and migrating to latest versions. investigated memory leaks in was v7.0/6.x and obtained appropriate fixes from IBM to upgrade the installation
• Deployed enterprise applications from the admin console and defined virtual hosts and environment variables.
• Configuring of JVM logs location, implementing log rotation policies, configuring webcontainer properties, enabling traces.
• Actively involved in assisting team members performing problem determination whenever needed and extended support. Fine-tuned Web Servers and Application Servers for different load requirements.
• Installed Fixpacks and cumulative fixes for the problems to get solved with Appserver as per the IBM recommendation.
• Documentation of weekly status reports of existing and new environments and applications deployed.
• Assessed security configurations, a security policy & procedure review, and re-designed the services.
• Proposed High Availability Application Server infrastructure.
• Installed Fix packs, eFixes, and cumulative fixes to the existing infrastructure and new environment.
• Configured Global security for WebSphere Application Server5.1/6.0/6.1 and using LDAP user registry.
• Utilized skills in perl,batch,shell, and wsadmin/jacl scripting to automate deploying updating, applications, migrating data and automating batch jobs
• Federated and Un-federated the Nodes to the DMGR Production, where the physical servers are decommissioned from local data center to remote data center.
• Installed and configured resources like JDBC providers, JDBC data sources, and connection pooling.
• Escalating the issues to Development team and IBM Support..
• Configured Secure Sockets Layers (SSL) for data encryption and client authentication
• Configured IBM HTTP Server by creating DNS alias names, assigning ports, transporting and pointing multiple plug-in files to serve various instances
• Performed root-cause analysis for Productions outages and provided management with root-cause analysis report.
• Deploying and migrating the application from DEV to QA to PROD and providing 24/7 on-call production support.

Environment: IBM WebSphere Application Server V7.0, 6.x IBM HTTP Server6.x/7.0, Unix/Linux, LDAP, IBM DB2 AIX 6.0/5.3/5.2

Confidential

Technology Analyst, WebSphere Administrator

Responsibilities:

• Installed, Configured and Deployed web applications on Websphere Application server. Installation of IBM HTTP server 6.1 and generating plug-in files.
• Created clusters and deployed applications onto the clusters. Setting up Horizontal and Vertical clustering for
• Work Load Management and fail over support and configured session management, tuned the plug-in.
• Interpreted log files to locate and solve application server problems and documented all the operations. Installed EARs, and configured application specific JVM settings, Web container parameters using the Admin Console and Wsadmin scripts.
• Involved in troubleshooting and tuning application server Configuring of JDBC Providers, Data Source, Virtual IBM WebSphere Application Server v6.x,7.x.,8.5Hosting. Global Security, SSL, LDAP at Application server level and created users roles.
• Worked closely with developers to define and configured application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.
• Created IBM Problem Management Records (PMR) to report Web Sphere Application Server problems. Analyzing
• Heapdumps and Coredumps and investigated memory leaks in was v6.x and obtained appropriate fixes from IBM to upgrade the installation.
• Involved in monitoring and operating WebSphere Application Servers and performed various operations such as Starting and Stopping of servers.
• Involved in Documentation of all procedures and any other important issue.
• Created and managed JNDIs and data sources and database connection pools (Db2, Infomix and Teradata), JMS, URL and Mail providers.
• Configured SIBus, ActivationSpecification, JMS Queue and JMS Connection Factories. Worked with JAAS - J2C security aliases.
• Interpreting log files (Syslogs, active/archive job logs and FFDC) to locate and solve application server problems.
• Responsible for deploying, monitoring application performance, log files and provided information to the developers.
• 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 Tuning of WebSphere Application Server for performance improvements. Captured Java cores, Heapdumps using JCA tools and heapdump analyzer for finding the root cause of the issues.
• Troubleshooting Admin Server start-up issues, Java code defects after deployment, & class path issues.
• On call, on pager, 24x7 production support and maintenance of Applications Servers.

Environment: IBM WebSphere Application Server V6.x/7.0 IBM HTTP Server6.1/7.0, Unix/Linux, LDAPWindows 2000Server, IBM DB2, Oracle 9i, DB2Tivoli Performance Viewer, Wily Introscope 6.0