SUMMARY:

• Seven plus (7+) years Information Systems experience in design, implementation, administration and support of web - based e-commerce, Client/Server e-business applications and infrastructure consisting of Linux Servers and various Application Servers like WebSphere Application Server, Tomcat, IBM HTTP Server, Apache Web Server, Load Balancing, JBoss, Splunk and DataPower.
• Experience in implementing and configuring SSL, requesting digital certificates, creating self-signed certificates and importing/exporting public/private keys on Web servers.
• Good knowledge in SOA, Web services, SOAP WSDL,WS Security and UDDI in Datapower
• Involved in solution architecture of IBM Data power XS40, XI50, XI52, WS Security, MQ, Data management and data integration techniques.
• Highly experience in WebSphere Application Server(WAS)
• 6+ years extensive experience in Linux
• Experience with Web Services and load balancing configurations
• Experienced in administration of Data power XS40, XI50 and XI52 devices
• Experience in administration and configuring of Deployment Policy, WS-Proxies, XML Firewall, SSL Proxy Profiles, Multi Gateway Protocol, Load Balancer groups, and other objects
• Familiar with general security concepts (authentication, authorization, encryption, digital signatures, etc), PKI concepts and SSL
• Experience in SSL cryptography, troubleshooting by viewing logs and dealing with XML threats
• Strong administrative skills, experience in deployment and configuration of EAR, WAR and JAR files with other resources like database, message queues and access management tools for application security in WebSphere.
• Extensive experience in deploying, configuring and administering Splunk clusters.
• Upgrade and Optimize Splunk setup with new discharges.
• Setup Splunk Forwarders for new application levels brought into environment.
• Helping application teams in on-boarding Splunk and creating dashboards, alerts, reports etc.
• Extensive experience in configuring the HTTP Server for various clustered application servers using virtual hosting and enabling SSL security.
• Performed WebSphere Application Server administration tasks such as installation, configuration, monitoring and performance tuning.
• Administered JBOSS, Tomcat and WebSphere Application Servers.
• Experienced in deploying J2EE components and administration including JAR, WAR, and WAR files on IBM WebSphere Application Server.
• Involved in design, implementation, and configuration of WebSphere clusters Horizontal, Vertical and Hybrid clusters.
• Expert is SSL Configurations from WebServer to AppServer, requesting and exchanging certificates from keystores and putting in truststores.
• Managed the Security and Performance optimizations for EJB containers and web applications in WAS, Tomcat, JBoss, IBM HTTP Server and Apache Web Server and Tomcat Server.
• Automating deployments to Tomcat and Apache Servers using Jenkins tools for continuous integration
• Created and configured clusters of servers both vertical and horizontal on federated nodes for load balancing and failover.
• Involved in trouble shooting application server, web server and plug-in logs and analyzed them using Log Analyzer in case of any critical issue.
• Automating deployments to server using Jenkins tools for continuous integration

TECHNICAL SKILLS:

Web & App Servers: WebSphere Application Server8.x/7.x/6.x/5.x, Apache Web Server 2.0/2.2.x, IBM Http Server 1.3.26.x/2.0.42.x/2.0.47.x/6.0, IIS6/7, Tomcat 4.x/5.x./6.x/7.x, DataPower XI50/XS40/XI52. JBoss EAP5/6

Tools: putty,pscp,Connection Manager,F5,WebSphere MQ 6.x/7.x, LDAP, Splunk Enterprise Server 5.x.x/6.x.x, and Splunk Universal Forwarder 4.xx/5.xx/6.xx

Operating Systems: Windows 95/98/NT/2000/2003/XP/7, and v3Linux (RedHat, SuSE)

Web Technologies and Scripting: Shell Scripting

PROFESSIONAL EXPERIENCE:

Confidential, Denver, CO

Splunk Admin

Responsibilities:

• Install, configure and administer Splunk Enterprise Server 6.0.4 and Splunk Forwarder 4.x.x/5.x.x/6.x.x on Redhat Linux and Windows severs.
• Setup Splunk Forwarders for new application tiers introduced into environment and existing applications.
• Work closely with Application Teams to create new Splunk dashboards for Operation teams.
• Troubleshooting and resolve the Splunk - performance, search poling, log monitoring issues; role mapping, dashboard creation etc.
• Created Splunk app for Enterprise Security to identify and address emerging security threats through the use of continuous monitoring, alerting and analytics.
• Created Regular Expressions for Field Extractions and Field Transformations in Splunk.
• Configure Splunk for all the mission critical applications and using Splunk effectively for Application troubleshooting and monitoring post go lives
• Supported 8+ Splunk search Heads, 50 + Indexers, 3200 + forwarders.
• Created Dashboards and Reports to show Login count of each application, to show which app resources being accessed more, Number of failed logins, statistics on High hitting applications.
• Created Shell Scripts to install Splunk Forwarders on all servers and configure with common configuration files such as Bootstrap scripts, Outputs.conf and Inputs.conf files
• Configured Splunk forwarder to send unnecessary log events to “Null Queue” using props and transforms configurations to reduce license costs.
• Experienced in attending the bridge calls for production issues and non-prod issues and involved application teams or database teams or networking teams to resolve the issues and involved in Root cause analysis for the issues encountered. Also provided 24/7 on call support for all the production applications.
• On a scheduled basis, configure backups, verify custom reports, manage log source groups, and validate log sources with client
• Review and apply any newly available and applicable SPLUNK software or policy updates routinely
• Manage SPLUNK user accounts (create, delete, modify, etc.)
• Add /Remove log sources. Troubleshoot issues with log sources or systems with vendor, and report system defects as needed
• Maintain current functional and technical knowledge of the SPLUNK platform and future products

Confidential, Charlotte, NC

Splunk Administrator

Responsibilities:

• Dedicated Splunk Administrator, supporting 10,000+ servers across various o/s platforms; Linux and Windows on Splunk Version 6.
• Supporting 8 search-heads
• 50 +indexers
• 9000 + universal forwarders.
• Experience on connectivity between Splunk and Hadoop and big data tools.
• Expert in data inputs/apps creation/objects /views managing in Splunk.
• Maintain the SPLUNK infrastructure in a highly available configuration
• Standardize SPLUNK forwarder deployment, configuration and maintenance across a variety of UNIX and Windows platforms
• Assisted in migrating from Splunk Version 5 to Splunk Version 6. Setting up index clustering, search head pooling and distributed peers.
• Troubleshooting and resolve the splunk - performance/search poling/log monitoring issues; role mapping, dashboard creation etc.
• Handling OS - Migrations / Upgrade (Live and Jump start) Solaris and Kick start using on Linux servers
• Managing Clusters VERITAS Clusters, VFS, ASM disk all and Knowledge RHEL cluster setup
• Patch, Packages Installation, Disk and Filesystem Management, Firmware upgrade On Solaris as well Linux servers
• Experience on Logical Volume Manager, managing physical volumes, volume groups, logical volumes, performing file systems management On Linux
• Coordinating with SAN, Vendors, and Application Team projects/down times.
• Performance Tuning, Resource & Device Management, Troubleshooting
• File system, Device & Services Management (NFS, Mail Server etc)
• Worked on various project release and deployments for Middleware.
• Hands on experience on SAN allocation and creating new LANS on EMC/Powerpath/HDLM /Multipath software on Solaris and Linux servers
• Analysis, design, build and test phases of new/existing servers

Confidential, Mountain View, CA

WebSphere/Middleware Administrator

Responsibilities:

• Installed, configured, administered and supported WebSphere Application Server 6.0/6.1/7.0 on Linux and Windows
• Installed, configured, administered and supported JBOSS Application Server on Linux
• Implemented the Clusters / Server Groups and Cluster Members /clones (Vertical scaling & horizontal scaling) for fail over and distribute the workload on WAS
• Integrating enterprise-wide J2EE applications and deploying them on WebSphere Application Server and managing them through WebSphere administrative console
• Created user roles and groups using Local OS registry and secured WebSphere resources
• Involved in configuring JDBC drivers, Data sources on WebSphere Application Server 6.0/7.0
• Involved in creating UNIX shell scripts which automates the WebSphere Administration (bouncing the application server, deploying enterprise applications, logs rotation, monitor applications state)
• Used Resource Analyzer and Log Analyzer for performance tuning and troubleshooting
• Installed fix packs and cumulative fixes to upgrade the version of the WebSphere Application Server 6.0/7.0
• Provided technical assistance for Web Hosting team on various Application servers and Web Servers including IBM HTTP Server, and Apache Web Server
• Monitoring all Servers, shutdown and startup, Network Support and Troubleshooting
• Experience in deploying EAR, WAR and JAR files on WebSphere Application Server V6.0/6.1/7.0 and configuring various resources for applications.
• Configured SSL, requested digital certificates, created self-signed certificates and imported/exported public/private keys on Web Servers.
• Involved in configuring the Web Directory access protocols like LDAP for different levels of access at the site.
• Documented all procedures and any other important issues.
• Created dynamic clustering in WebSphere Virtual Enterprise (VE) 6.1 for policy based workload management and application health management.
• Experience in applying Fix Packs, Refresh packs and Cumulative fixes to upgrade the existing WebSphere versions.
• Experience in configuring JBOSS with apache using mod jk
• Involved in design, implementation and configuration of WebSphere, JBOSS clustering technologies like Horizontal, Vertical and Hybrid clusters.
• Involved in installation of fixpacks, eFixes, and cumulative fixes.
• Experience in Installing and Configuration of IBM Http server and Tomcat.

Confidential, Philadelphia, PA

WebSphere Administrator

Responsibilities:

• Installation, Configuration and maintenance of WAS 5.0.2.2, IBM IHS 2.0.42, Site Minder 5QMR5, WebSphere MQ.
• Created and setup WebSphere Application Servers in a clustered environment.
• Deployed new Enterprise J2EE applications in the shared WAS environment
• Configuration of new IHS Web Servers and Virtual Hosts
• Setup of new WebSphere Queues on WAS nodes. Local queues for the Application MDB’s and Remote queues for connecting to the Mainframe
• Lock-Down the access to the Application using Site Minder, Installing and configuring Site minder web agent, Web Server.
• Creation of Data sources for the applications involving DB2, Oracle.
• Applied fix packs and cumulative fixes to WAS.
• Created and setup new WebSphere Application Servers in a clustered environment
• Setup of the new Application work area. Created jacl scripts for creating clusters.
• Package, build, Integrate and deploy enterprise J2EE applications on WebSphere 6.x and JBOSS that involves EAR (Enterprise Archives) and WAR (Web Archives).
• Day-to-Day problem solving involving WAS 5.x, IHS Web Servers, Site minder WebSphere MQ.
• Managed security and performance optimizations for JBOSS 5.0.0.GA, WebSphere ND 6.1 Application Servers by analyzing process dumps, logs and Heap Analyzer
• Escalating Issues with IBM involving WAS 5.0.2 ND, DB2, MQ
• Diagnosed the problems caused in the applications through the log files and rectified the problems.
• Monitored the Server performance using performance servlet, Tivoli Performance viewer
• Setup of new Application through Dev/Test and Stage Environments in Linux.
• Created scripts for automating Application deployment.
• Creating self-signed certificates, generating CSR, receiving CA signed certificates.
• Created and configured clusters of servers both vertical and horizontal on federated nodes for load balancing and fail-over.
• Involved in trouble shooting application server, web server and plug-in logs and analyzed them using Log Analyzer in case of any critical issue.
• Automating deployments to server using Jenkins tools for continuous integration
• Deploying application configuration to SVN repository

Confidential, Houston, TX

DataPower Administrator

Responsibilities:

• Involved in installation, configuration, administration & development of Data Power XS40 & XI52, MQ Data management &data integration techniques
• Implemented Multi-Protocol Gateway service in XI52 and XS40 for protocol transformation by creating various reusable Front Side Handlers (HTTP, HTTPS, FTP, NFS & IMS)
• Created multiple Web Service Proxies, XML Firewalls, MPG’s (Multi-Protocol Gateway) and assisted in determining SLA’s (Service Level Agreements) in Data Power XI50
• Worked closely with the Network Support Manager to coordinate overall network design and implementation for Data Power XI50
• Involved in Implementing XML Firewall Service in Data Power to secure the service providers XML driven applications and involved in creating back-ends like Loop-Back for testing purpose, Static Back-end and Dynamic Back-end based using X-Path query
• Enforced AAA policies for authenticating the users against LDAP Directory Service and authorizing them against Site Minder in Data Power XI50.
• Implemented ESB architecture in Data Power X150 for integrating various software applications in Service Oriented Architecture
• Involved in implementing and securing external Web Services using several authentication schemes in Data Power WS-Security, Digitally Signing SOAP message, LTPA, Basic Authentication and SSL Mutual Authentication
• Integrated Data Power with WSRR for WSDL’s lookup, artifacts governance & service owner lookup by doing REST query
• Responsible in Domain Creation, RBM Configuration, Certs Installation, Content Based Routing (CBR) setup, Management of Log Files, Monitoring and Troubleshooting
• Developed error policies within Data Power to handle errors returned by backend applications
• Configured Data Power XML components, document processing rules, document processing actions, X-Path
• Routing Map, Duration Monitor, Log targets
• Strong FIM administration with expertise in Installation, Configuration, Tuning, Troubleshooting and Deploying applications
• Experience with Security standards, SAML, SSL, XML
• Responsible for setting up, configuring, supporting and managing the FIM environments to ensure system reliability

Confidential, Chicago, IL

DataPower Administrator

Responsibilities:

• Installed and Configured IBM Data power XA35, XS40, XI50 WS Security Server
• Expertise in integrating various application services using WebSphere Data power XI50 ESB appliance
• Good knowledge in SOA, Web services, SOAP WSDL, WS Security and UDDI
• Involved in solution architecture of IBM Data power XA35, XS40, XI50 WS Security, MQ, Data mgmt and data integration techniques.
• Good knowledge of n-tier enterprise application architecture concepts and SOA paradigms.
• Highly involved in Implementing Service Oriented Architecture (SOA).
• Expertise in integrating various application services using WebSphere Data power XI50 ESB appliance.
• Experienced in administering, configuring the IBM Data Power Devices XS40 & XI50 devices
• Responsible for updating refresh packs, fix packs and interim fix packs to WebSphere Application Server, IBM HTTP Server.
• Expertise in Performance tuning Web Sphere Application Server.
• Handled Staging and production environments as part of the Application Deployment.
• Installed EAR’s, WAR’s and configured application specific JVM settings, Web container parameters using the Admin Console and WSADMIN scripts.
• Used Resource Analyzer/ Tivoli Performance Viewer to monitor Web Sphere Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool sizes.
• Worked closely with developers to define and configured application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlets Engines-as well as deployment of EJBs across multiple instances of Web Sphere.
• Provided technical support/advice on Web Sphere technologies/issues.
• Created and configured clusters of servers both vertical and horizontal on federated nodes for load balancing and failover.
• Started working on migration effort for Web Sphere technologies/issues.
• Worked closely with Database Administrators to resolve database and JDBC related issues in Web Sphere Application Server.
• Experience in creating Queue Mangers and Queues and creating channels in Web Sphere MQ.
• Troubleshoot Admin Server start-up issues, Java code defects after deployment, and class path issues by checking the JVM logs, plug-in logs and the Web server logs.
• Performed routine management of Web Sphere Environment like monitoring Disk Space, CPU Utilization.

Confidential, Des Moines, IA

Apache/ Tomcat Administrator

Responsibilities:

• Installation and configuration of number of Tomcat Application Server 4.1/5.2.7 instances on development, QA and production environment.
• Installation of multiple instances Tomcat Application server on the same machine. Coexistence of multiple Application Server instances.
• Worked with Load Balancing/networking team to configure Application Servers.
• Expertise in supporting enterprise based distributed applications over a wide range of operating environments on a 24/7 rotation basis for high volume, secure transactions and Web services.
• Experience in setting up of Data Sources, Virtual Hosts, configuring Servlet Engines, Session Managers including planning installation and configuration of Tomcat Application Server Trace Service.
• Administration and troubleshooting of working Application - starting and stopping the application Server - Regenerating/updating plug-in for Apache WebServer.
• Enable global security for application Servers and applications using Clear Case vision by LTPA mechanism on Secure Way LDAP User Registry.
• Developed ANT scripts to build an application and deploy it in Tomcat application server.
• Involved in Application integration for Customer Trouble Ticket Tracking System, a web-based system using EJB Architecture deployed in Tomcat Application Server.
• Integrating the mainframe trouble ticket system to web-based system using EJB Architecture to be deployed in Tomcat Application Server.
• Assisting the application owner with questions about installation packages, assisting operations staff with questions about the execution of a change request, and maintaining operational procedures and Clear Case tools for managing the Server environment.
• Configured the WebServer interfaces, session management, virtual hosts and transports for Tomcat.
• Installation & Configuration of Apache WebServer and make junction works for the transportation of application through a WebServer.
• Configured resources such as JDBC providers, JDBC data sources, connection pooling and JavaMail sessions.
• Involved in configuring of load balancing using Tomcat Application Server workload management
• Trouble shooting, Performance tuning and Capacity Monitoring of Applications Servers using Tivoli Performance Viewer and log analyzer.