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Shivaram - Middleware admin

[email protected]

Location: Alpharetta, Georgia, USA

Relocation: Open

Visa: H1B

Summary: Around 8+ years of IT experience in Application server s administration like Websphere, WebLogic, Jboss and Tomcat on UNIX, Red Hat LINUX, SUN Solaris and Windows environments. Building application and deployment on Websphere/Weblogic domain. Expertise in installing, configuring WLS domains, load balancing, performance tuning, deploying, troubleshooting and maintaining of WebLogic servers. Configure and maintain servers and processes across multiple environments, including monitoring of system health and performance, automating regular processes, scheduling upgrades, and assisting with delivery issues. Deployed different Applications (WAR, JAR, and EAR) in Domain and Clustered environment. Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters. Deploying J2EE Application archives (JAR, WAR, EAR and RAR) and Web- Based/E-Commerce on WebLogic Application Server. Extensive experience in production environments, involved performance tuning, tweaking the JVM parameter, Threads, size of the connection pools. Technically experienced in SOA Suite, Web Services, WSDL, WAS/WSAD, Application Integration, BPEL, Workflow and Business Process Management. Experience in using Monitoring Tools like Splunk and Dyanatrace and F5 Load Balancer. Knowledge on WCS Web Sphere Commerce. Define and construct WMB Message Flow development environment Develop UNIX shell scripts / utilities to automate repetitive tasks (back-ups, refreshes, failovers, etc.) Primary point of contact for any environment/build related issues Implement patches, updates, and fixes as necessary following established Change Management processes Install, configure, and administer servers, including multiple server instances, standalone, clusters, connection pools, plug-ins, and JDBC drivers Deployed Enterprise Applications Utilized working knowledge of J2EE and Java development to troubleshoot technical issues (error messages, software bugs, availability, etc.) Creation of Builds for System Integrated, Load and pre-Production Environments Performance Tune WAS/Weblogic by configuring caching, queuing, pooling, JVM parameters Jboss web application server administration Familiarity with software development lifecycles and programming practices Independently analyze and correct production issues in real time. Develop Workload Management/ Scalability / High-Availability strategies (clusters, load balancing, session state management, etc.) Carried out modification and reconfiguration of deployed applications Managed the security of application by using different processes Deployed application tuned for performance and workload management Mentoring junior staff and providing technical leadership to large-scale projects Monitoring various metrics of the application server environment Participate effectively in execution of projects to support development, integration, production, and infrastructure deliverables Technical Skills IBM WebSphere Application Server 8.x/7.x/6.x/5.x/4.x, WebLogic 8x, Portal 6.1/5.x, JBOSS, WMB (WebSphere Message Broker) E- Commerce WCS (Web Sphere Commerce 8.0/7.0/6.0/5.6.1) Operating Systems UNIX, IBM AIX5.3, Red Hat Linux, I- series ,Windows 95/98/NT/2K and 2003, Solaris 10 Monitoring Tools Splunk, Dynatrace, Tivoli Performance Viewer, Thread Analyzer, Log Analyzer J2EE Technologies Servlets, JSP, JDBC, RMI, JMS, JTA, JNDI, JMX, EJB, Applets and swing components, AWT Web Technologies JDK 1.4/1.5/1.6 HTML, XML, DHTML, MSXML, ASPX Scripting Languages UNIX Shell Scripting (Borne, Korn, C and Bash), Perl Scripting Packages JSDK 2.0, J2EE, Clear case, Clear Quest Performance Monitoring and Testing Tools Wily Introscope, HP SiteScope, OEM 11g IDE s/Utilities Eclipse, Putty, WinSCP Database Oracle 8i/9i/10g, MS SQL Server, DB2 Networking & Protocols TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP, SSL Other Tools MS Office, TOAD Professional Experience Install, configure, Deploy, upgrade, monitor of WebSphere application server various versions. Install, configure, Deploy, monitor of Jboss application server various versions. Install, configure, Deploy, upgrade, monitor of IBM HTTP server various versions. Install, configure, Deploy, upgrade, monitor of JBOSS webserver server various versions. Extensive working knowledge on automation for deployment/configuration of different application servers like WebSphere, WebLogic, JBoss; Web Servers like Apache Tomcat and Web containers like Nginx etc. Experienced in deployment of applications on NGINX. Created Nginx configuration for the application to work as a Multitenant app Installed and configured Jenkins, worked on deploying through Jenkins. Support of application using cloud-based solutions from vendors like IBM, Google and Microsoft. Configuring jobs in control-m for daily recycle process. Use of monitoring tools like Dynatrace Appmon, Splunk log viewer, Nagios, Keynote and Thousand Eyes. Working with vendors like Akamai for content delivery network for fast caching. Work on configuration of Big IP F5 LTM device like pools, Virtual servers and Irules. Support of Application security devices like Big IP ASM and Avi. Support of infrastructure spanning more than 2000 Linux based servers spanning HA data centers. Environment: WebLogic, JBoss; Web Servers like Apache Tomcat WebSphere application server V5.x, v6.x, v7.x, v8.5.5, Pivotal Apache 2.4, vFabric apache 5.3, Tomcat 3.2, new relic, CA apm (willy) Middleware MTS Engineer Macys Mar 17-Dec 21 Responsibilities: Installation, Configuration and administration of WebSphere instances for ACI MTS UI applications. Build the cluster WAS and web server environments to handle the load and distribute the load among the multiple instances of ACI MTS UI application Involved in configure and install ACI MTS release notes into the UNIX servers. Expertise in Setting up and Administration of IBM MQSeries and WebSphere Message Broker (WBIMB 6.0,WMB7.0 and IIB 10) Experience in developing connections to AWS from IIB. Installed and configured WMQ, IIB on Windows, Linux (RedHat), and Solaris. Worked on processes and checked the status and lines and if down look the logs and bring them up by killing the processes. Analyzing the logs in sys and general line logs to check what exactly the error is where they hanged and trouble shoot by manual inspection. Checking on the status of gateway servers and needs to be moved the CFG if the default is using the RHS one. Updated CFG and rec.tab config files depending upon the release activities. Running q_util and remote record commands depend upon the release what exact the release need to be. Solving the jira tickets related stuck up processes bringing up lines and the areas and stuck transactions Much more explore on IR360 to check the status on MQ manager. Worked on ORT releases and support the issues and fixed it. Upgrading message maps as part of Migration from WMB 7 to IIB 10. Worked on configure and install the changes in MTS area according to ACI installation instructions through PAKMAN. Good hands on MTS tools like pakman, qutil, alloc_que and linecmd. Etc. Worked on supporting and resolving the MTS area related such us process Trap, object lock and MQ errors etc in lower and prod environments Debug the issues and fix as per SLA on Dev/UAT/stage/Prod environments. Creating Cells, Nodes, App Server in Dev, UAT and Production environments. Environment: UNIX, IBM Cloud servers. MQ Series 5.3, IHS 2.x, Solaris 5.9, Windows, WSAD51, ANT, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, HTML, DB2, Cirrus Environment: BEA WebLogic Server 8.1 SP4, Apache HTTP Server, Sun and 9, Windows 2000/NT, Oracle9. Proficiently installed and configured WebSphere Cells and Clusters Creating Cells/Nodes/Application Servers, federating nodes and creating/configuring application server clusters Responsibilities: Configured database connectivity using JDBC and Connection pools. Jboss Application server was used in the backend. 24/7 on-call production support. Automated and scheduled backups on all UNIX Machines using shell scripts. Performance tuning was done with respect to system, connection pools. Execute threads and JVM heap size. Develop domain monitoring java class using JMX to collect JDBC, JVM, and Execute Queue statistics for Managed Servers. Document and establish standard processes to ensure repeatability for J2EE administrators. Troubleshoot environment and application issues using BEA WLS support patterns as the standard methodology and provide root cause summary to application stakeholders. Was responsible for overall architecture of a BEA deployment, using Portal, Integration and Jboss Server. Experience on installing and configuring SSL in webservers. Actively involved in upgrading to various new Service packs regarding iPlanet, Apache/Tomcat. Performed extensive trouble shooting experience including stack trace analysis and JVM tuning experience by changing to heap sizes according to the requirement. Environment: Environment WebSphere application server V6.x, v7.x, v8.5.5, WebSphere portal server V6.x, v7.x, v8.x, ca apm, Dynatrace, itcam, build forge Keywords: cprogramm user interface message queue information technology ffive hewlett packard green card microsoft California