SAHIL MALIK Webphere Admin Sahilmalik1511@gmail.com +1-512-710-7057

 

ü      7+ years of IT industry experience in Middleware Administration, Oracle SOA,IBM WebSphere Administration, IBM BPM, WebSphere Commerce, IBM WebSphere MQSeries, Weblogic Administration, JBOSS, and Tomcat, integrating with all the J2EE components. Technical abilities include installations, configurations, security, migrations, and technical support.

ü      Extensive Experience in optimization of Enterprise Applications using WebSphere Application server, JBOSS,TOMCAT XMLConfig,Workload Management (WLM), WAS Resource analyzer,WebSphere Test Environment (WTE),IBM Visual Age for Java 4.0/3.5, EJB, JAAS, JNDI, RUP, LDAP, MQ Series, JMS, Oracle Weblogic 11g/10g/9i/8i/7.x,DB2 UDB on Sun Solaris, AIX, Linux, HP.

ü      Expertise in Installation, Configuration, Trouble-Shooting and Maintenance of BEA Weblogic Server 7.0/8.1/9.x/10.x/11g, JBOSS 4.x/5, iplanet Web Server, Apache Web Server on different UNIX flavors and environments.

ü      Experience with Apache Webserver 2.0/2.2 and 2.3 and Tomcat 6.0.

ü      Expertise with Blade logic Middleware Automation (BMA) tool in managing Websphere and JBoss configuration management.

ü      Experience in Architecting, Designing, Deploying, and Performance Tuning of Ecommerce applications using IBM WebSphere Commerce server 6.x/7.x platform

ü      Administered JBOSS, Tomcat and Apache HTTP Server infrastructure.

ü      Extensive experience with Bladelogic for deploying apps into WebSphere AppServer, Process Server environments and JBOSS environments.

ü      Experienced in design, creation of JBOSS and TOMCAT resource objects Queue, Listener, and Channels etc.

ü      Experience in administration of Apache HTTP Web server, Apache Tomcat servers. Solid experience in deploying Enterprise and Web applications on JBOSS and Tomcat  Clustered environments using console, via scripts and maintaining Load balancing and High availability.

ü      Worked directly with customers to resolve issues related to Enterprise and Web Applications hosted on JBOSS and Tomcat.

ü      JBOSS and Weblogic application deployment and hot fixes on INT and QA servers.

ü      Configured Apache module mod_jk to connect to the Tomcat container.

ü      Experience in automation of deployment scripts using WLST (WebLogic Scripting Tool) and ANT.

ü      Experience with issue management tracking tools and change management tools.

ü      Configured and administered JDBC Connection pools, JMS Connection Factories, Web logic queues and topics and implemented other services like JTA, JNDI, Virtual Hosting and SNMP.

ü      Working knowledge of JBOSS and exposure to distributed queuing architectures.

ü      Good understanding of load balancing using F5, Site minder and DNS.

ü      Configured web Server Interfaces, Session Management, Virtual Hosts and transports for Websphere Application Server.

ü      Experienced in the maintenance of the Websphere Application Servers on different UNIX platforms and setting up the development, testing, UAT and production environments.

ü      Configured Security realms on JBOSS  and Tomcat servers to enable LDAP authentication

ü      Experience in problem tracing, log management, scripting to invocate problem-determination actions involving diagnostic traces and thread dumps.

ü      Involved in creating and managing Websphere Environmental variables for Data Sources and JDBC Driver paths and other creating shared libraries and references.

ü      Good working experience with Secured Socket Layer (SSL), creating self-signed certificates, Generating certificate requests, Import/Export certificates and creating key databases.

ü      Applied Fix packs/e Fixes/ Refresh packs/ Feature packs for WAS using Update Installer and update.sh and automating it.

ü      Experience in deploying BPEL process using technology adapters (DB Adapter, FTP Adapter, and JMS Adapter)

ü      Migration of WebSphere to JBOSS and involved in JBOSS Validation in Linux environment.

ü      Implemented a service-oriented architecture (SOA), reducing the complexity of integrating applications and services through ESB.

ü      Experience in installation, configuration, clustering and Administration of WebSphere Business Integration Server Foundation (WBISF) and deployment of BPEL flows.

ü      Developed many WSCP/JACL/Jython/shell scripts to automate the maintenance process.

ü      Well experienced in troubleshooting and Performance tuning using Resource analyzer and log analyzer.

ü      Monitoring and tuning using Tivoli Performance Viewer and Wily Introscope and tracing the transactions during Mercury Load Runner load tests.

ü      Performed back-up procedures for system application software data files and WebSphereConfig database and xml configs.

ü      Provided 24x7 production support, best practice trouble shooting, monitoring, capacity planning, performance tuning, naming standards, security and maintenance.

 

 

§ Application Servers: IBM WebSphere Application Server 6.0, 6.1(ND), 7.0(ND & XD), IBM WebSphere Process Server, IBM WebSphere Commerce Server 6.x/7.x, Oracle WebLogic 8.x/9.x/10.x Application Server, Oracle SOA Suite 11g, Apache Tomcat 6.x, JBOSS 4.x/5.

§ Web Servers: Apache 2.x, Sun ONE 6.x, IBM-HTTP Server

§ Messaging Server: IBM WebSphere MQ 6.0/7.0

§ Languages: C, C++, Java, JSP, Servlets, EJBs, HTML, XML

§ Operating Systems: IBM AIX 5.1/5.2/5.3, SUN Solaris 8/9, HP-UX, LINUX (REDHAT), Windows XP/98/95

§ Scripting: JACL, Jython, Perl, AJAX, Java scripts, Python, UNIX shell Scripts

§ Databases:Oracle8i/9i/10g (RAC), DB28.x/9.x, SQLServer2000/2005, MSAccess2003

§ LDAP Servers: IBM Tivoli Directory Server

§ Monitoring Tools: Wily Introscope, JMeter, Mercury Load Runner, Grinder, Samurai, AppDynamics, Splunk.

§ Protocols: TCP/IP, HTTP/HTTPS, SOAP

 

 

Client: American Express, Plantation, FloridaOct’ 15 – Till date

Role: Websphere Admin/Pega Administrator

 

Environment: IBM WebSphere Application Server 6.0/7.0, Pega 7.1, WebSphere MQ, IBM Http Server,

 

Responsibilities:

§ Deployment of EAR & WAR files on WebSphere Application Server and WebSphere Portal Server.

§ Involved in Creating setup for new applications that includes Clusters, Datasources, IHS Webserver instances, plugins.

§ Created the Wily introscope agents for new application servers.

§ Ensure every ticket is being walked from inception to satisfactory completion in the shortest possible time, with the best quality of response.

§ Experience in complete Pega implementation cycle, including business process modeling, tool installation, development, testing, and deployment.

§ Clear understanding of using Clipboard, Tracer, and SMA for debugging, PAL for performance analysis and preflight tool to check application Gaurdrails Compliance

 

§ Expertise in creating business rule engine, business process management application for Pega Rules Process Commander(PRPC)

§ Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.

§ Ensuring that warnings generated by monitoring are responded to in a timely manner.

§ Ensuring that all documentation necessary for the support of those components is up to date and is accessible to all who may require it

§ Deployed WAR, JAR and EAR applications on multiple WebSphere servers and maintained DNS, Load Balancing, High Availability and Failover functionality.

§ Provided High level clustering (Horizontal/Vertical) techniques with Round-Robin method, load balancing to all the environments

 

 

Client: Alcatel Lucent, Murray Hill, NJMay’ 14 – Aug’15

Role: Sr. Middleware/Websphere/JBOSS Administrator

 

Environment: IBM WebSphere AppServer 6.1/7.0/8.0, JBOSS 4.x/5, Tomcat 6.x, IBM BPM 8.0, WebSphere Process Server, WebSphere MQ, PaaS, IBM Http Server (IHS), Apache, AIX, RHEL, SiteMinder, Wily Introscope, Bladelogic, TPV, Buildforge

 

Responsibilities:

§ Installed, Configured administered and supported WebSphere Application Server, Websphere MQ, and IBM HTTP server on Unix (Linux, Solaris) /Windows platform.

§ Configured WebSphere Deployment Manager and Application Server profiles in clustered environment to utilize the advantages of failover and load balancing in multi-node environment.

§ Built new development/integration/QA/DR & Production environments.

§ Supported couple of JBOSS Application servers for the new project and performed installations in Dev environment.

§ Building JVMs using BMC Middleware Automation (BMA) tool using configuration package and previewing it before installation.

§ Experience in deploying EAR, WAR and JAR files on WebSphere Application Server V6.x/7.0 and configuring various resources for applications.

§ JBOSS, WebLogic application deployment and hot fixes on INT and QA servers.

§ Configured the shared libraries, Environment variables, Class loaders in Admin Console.

§ Extensively involved in migration of applications from WebSphere Application Server.

§ Setting of Various JBOSS Environments for the Development, Testing and Production environments of PB (Private Bank), PCS (Private Client Services), CWS (Credit Workstation) Portals.

§ Wrote/Modified deployment scripts to automate the deployment process in JBOSS Servers.

§ Monitor & analyze the server status for High CPU, Hung Threads. Monitored the Server health/performance using tools like Wily IntroScope to provide alerts.

§ Experience in applying Fix Packs, Refresh packs and Cumulative fixes to upgrade the existing WebSphere versions.

§ Built SOA solutions with extensions that work with ESBs, like WebSphere Service Registry and Repository and WebSphere extreme Scale.

§ Enabled SSL and was responsible for installing the certificates and configuring them in the IBM HTTP Server (HIS).

§ Implemented SSL security between client, Webserver & application server and generated Self Signed and Signed Certificates (Generate CSR and Import Signed Cert to Key stores) through ikeyman and OpenSSL.

§ Configured IBM HTTP Server to load balance between the clustered Application servers.

§ Generated &propagated plugin-cfg for web servers and troubleshoot plug-in regeneration problems.

§ Performed routine management of Websphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.

§ Involved in trouble shooting and providing technical assistance for Web Hosting team on various Application and Web Servers including IBM HTTP Server, Apache Web Server, JBOSS and Sun ONE iPlanet Enterprise Server.

§ Involved in troubleshooting the applications using tools like Dynatrace and Wily Introscope.

§ Written Scripts to install and update the fixpacks for the WebSphere using Patch Link Updates

§ Conducted WebSphere demonstration, training and overview to various internal staff.

§ Experienced in creating and managing Websphere Environmental variables for Data Sources and JDBC Driver paths connection pooling, JMS and other creating shared libraries and references.

§ Automate application install, uninstall and application enhancements through Shell scripts and wsadmin scripts.

§ Performed certain troubleshooting in PaaS (Platform as service)

§ Experienced in administering Unix/Linux Shell scripts to monitor installedJ2EE applications and to get information from the logs and database in the required format and other daily activities.

§ On-call production support (24X7) and troubleshooting problems related to Web Servers, Websphere Application Server, Plug-ins, and Database.

 

 

Client: Lexmark, Lexington, KY                               Dec’12 – Apr’14

Role: WebSphere /Tomcat/JBOSS Administrator

 

Environment: Tomcat 6.x, JBOSS 4.x/5, WebSphere Application Server 7.0/ 6.0/6.1, WebSphere Portal Server 6.1.0.1 & 6.1.0.2 ,WebSphere  MQ 5.3, IBM BPM, IBM Http server 6.1, Linux SUSE,AIX, Windows 2003, Rational Application Developer,  J2EE (JSP, Java, JMS, XML, EJB), IBM AIX.

 

Responsibilities:

§ Installed and configured WebSphere MQ Application Server Network Deployment and Extended Deployment in multi clustered high availability environments used Update Installer to update with fix packs. Automated the tasks with shell scripts using silent response files.

§ Maintaining and managed Servers and Instances. New JBOSS, Apache Tomcat application deployment and Hot Fixes on Production, Staging and QA servers

§ Installed WebSphere Application Server 7.0.0.13.

§ Experience in configuring the adapters in connection with the source and destination application with WebSphere Message Broker

§ Created/ deleted user profiles on iSeries system

§ Maintained and administered iSeries server, including message handling, work management, backup and restore.

§ Created Centralized Installation Manager Repository (CIM), Installed Fix Packs using CIM to the target nodes and updated it to the level of deployment manager.

§ Install and configure Tomcat 6.x in various environments.

§ Experienced in installing the security certificates and installing Site minder for single sign on (SSO).

§ Involved in installing Web Servers like IBM Http Server and installing corresponding plug-ins on the Web Servers to communicate with the Application Server.

§ Deploying applications using deployment scripts and administration console.

§ Maintaining applications which are deployed in JBoss and Apache Tomcat Servers. 

§ Solid experience in implementing Work Load Management (WLM) and failover using Vertical/horizontal clustering to achieve High Availability.

§ Configured Websphere resources like JDBC providers, JDBC data sources, connection pooling, Implemented creation of Server groups and clusters in Websphere Application server.

§ Used Websphere Admin Console and wsadmin/JACL/Perl scripting to install enterprise EAR, WAR files or for hot deployment.

§ Performance monitoring, tuning and troubleshooting Weblogic, Jboss, Apache and Tomcat server instances.

§ Reviewing the documents in a periodical manner and updating Ops Manual, Issue Tracker based on lesson Learnt.

§ Worked closely with developers to define and configure Application Servers, Virtual Hosts, web applications, Servlets, JDBC drivers and Servlet Engines.

§ Experienced in deploying J2EE Applications archives (JAR, WAR and EAR) on IBM Websphere application server and Portal server.

§ Monitored the environments using Jython scripts for fail over of servers, health checks, parameter monitoring.

§ Performance and tuning database connection pools, thread pools, JVM Heap Size to required sizes using admin console.

§ Provided technical assistance for Web Hosting team on various Application servers an Web Servers including IBM HTTP Server, Apache Web Server, and iPlanet Server.

§ Created IBM Problem Management Records (PMR) to report Websphere Application Server problems. Analyzed log files to solve problems using debugging tools like Log Analyzer, First Failure Data Capture Tool and Collector Tool.

§ Configured Secondary LDAP & implemented LDAP Failover in the environment.

§ Trouble shooting errors both Application & JVM also analyzed heap/core plus error logs – configured tuned JVM for optimum performance.

§ Monitored for Application core dumps, or forced thread dumps to check for system objects using thread analyzer.

§ Responsible for Folder duty and implementing CCF’s during On Call.

§ Created new Web Servers to use VeriSign certificates and IBM IKEYMAN.

§ 24x7 on-site operations support for different environments.

 

 

Client:Sabre Corporation, Southlake, TX                                    Oct’11 – Nov’12                                                                                      

Role: Middleware/WebLogic/System Admin/ SOA   

 

Environment: Solaris 9/10, RHEL 4.6/5.2, Windows Server 2003/2008, WebLogic Server 7.x/8.1 SP2/SP6/10.0.0, MP1/11g, Apache 2.0/2.2, Oracle SOA Suite 11g, Bluestreak, JBoss 4.x, Apache Tomcat 5.x, Chef, Puppet iPlanet/SunOne 4.x/6.x, BPEL, JDK 1.4/1.5/1.6, JSP, Servlet, EJB, LDAP, JDBC, JMS, IBM MQ Series, HP Site Scope, BMC Remedy, Ant 1.5.1, SQL, XML, BIG IP F5 Load Balancer, WLST, Ant, Luna, Oracle coherence.

 

Responsibilities:

§ Installed, configured and administered Oracle/BEA WebLogic Server 8.1/10.0/10.3 in various environments like Development, QA, and Production on Solaris, Linux and Windows Operating Systems.

§ Installed and Configured JBoss Application Server 4.3 GA on Red Hat Linux 5.5.

§ Installing Apache Http Server, configuring apache plug in for Weblogic and hosting application using virtual host features in apache.

§ Responsible for creating Weblogic domains in Development, QA, Production from scratch.

§ Involved in migrating the setup from WebLogic 8.x/9.x/10.x.

§ Deployed different types of applications like WAR, JAR and EAR files in Weblogic 8.x/10.x and JBoss 4.3.

§ Experience in installation, configuration, clustering and Administration of WebSphere Business Integration Server Foundation (WBISF) and deployment of BPEL flows.

§ Configured Node manager to administer the Managed servers.

§ Setting up the cluster environment for WebLogic Server integrated with multiple workflows.

§ Configured and administered JDBC Connection Pools/Multi Pools/Data Sources on WebLogic Server 8.x/10.x.

§ Created and Configured WebLogic JMS Servers, JMS Modules and Bridge to provide interoperability between WebLogic JMS and IBM MQ Series.

§ Configured and administered Weblogic server with Oracle10g/Oracle RAC database.

§ Administered and Maintained SOA Suite 11g (WebLogic) release.

§ Involved in security update patches released quarterly on SOA

§ Developed Startup, Shutdown and Bounce scripts using WLST.

§ Developed UNIX shell scripts that automate the WebLogic Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc.)

§ Developed scripts to monitor JVM Heap Size, JMS Messages in the Destination queues in the production environment.

§ Automated deployment script using WebLogic Scripting Tool (WLST)

§ Used ANT tasks to configure and used a WebLogic server domain

§ Dealt with troubleshooting issues like Server hang, Application Deadlock, Out of Memory Issue, High memory usage and High CPU.

§ Provided support for production environments in activities such as load testing, troubleshooting, and performance tuning.

§ Configured and managed secured environments using SSL and Digital certificates.

§ Installed and Configured LDAP Server and integrated with Weblogic Application Server.

§ Worked on Configuring channel secure CA/Netegrity Siteminder with web servers and Weblogic Applications.

§ Upgraded all Production and Non Production systems to WebLogic 10.3.3(11g) from WebLogic 8.1 SP2 successfully and installed DST patches.

§ Developed Crontab scripts for timely running jobs and provide server status.

§ Configured BIG IP F5 Load balancer to provide high scalability, availability and reliability.

§ Administrative documentation for Installation/Configuration Procedures for future use.

§ Log files analysis such as WebLogic server logs, node manager logs, Plug-in logs, thread dumps, verbosegc logs for troubleshooting and Problem determination to resolve issues.

§ Maintained and enhanced existing BPEL flows

§ Deployed BPEL process using technology adapters( FTP adapter. JMS adapter. and DB adapter)

§ Using Remedy as the trouble ticket and change management tool.

§ Worked on coordinating teamwork with the offshore application teams and Operation teams.

§ Worked as a Level2/Leve3 Escalation point for any issues regarding with Weblogic for a Very High Visibility Project.

§ Co-ordinate with Oracle Support team to solve the issues on time.

§ Provided 24/7 on call Production Support.

 

Client:Queensborough National Bank & Trust Company, Louisville, GA                       Jan’ 11 – Sep’11

Role: Middleware Administrator

Environment:  IBM WebSphere 7.x/6.1/6.0, IBM HTTP Server, Apache server, AIX, Linux, RedHat, Windows 7, Visio

 

Responsibilities:

§ Responsible for Installation, Configuration, troubleshooting of the WebSphere Application ServerV7.X, 6.1 & 6.0.2, WebSphere Portal server 7.x/6.x, IBM HTTP Server, Apache Server and Fixpacks.

§ Experience in configure WebSphere environment as per PCI compliance standards.

§ Setup WebSphere Application Server testing, staging, development and production environment.

§ Administered, deployed enterprise applications, configured enterprise environment, and supported running applications on the WebSphere Application Server platform

§ Applying patches and plug-ins for WebSphere application server.

§ Writing shell scripts to automate the administrative tasks.

§ Configured horizontal and vertical scalability of the environments by using the concept of Clusters, Server Groups and Clones.

§ Worked on QualysGuard to scan all servers to find out vulnerability for the PCI compliance.

§ Responsible for performance monitoring and tuning by using CA Wily Introscope.

§ Deployment of enterprise application using the administrative console and script interface in V7&6.

§ Configured security using LDAP & SiteMinder as authentication mechanism.

§ Implement SSL certificates for secured communication between the administrative server and clients.

§ Wrote process documentation using various tools like MS Visio

§ System /Technical documentation, User documentation for the project activities.

Client: Vision Labs, Hyderabad, India                                                                                    May’ 08 – Dec’ 10

Role: System Administrator  

Environment: JDK 1.4, JavaScript 1.2, Apache Tomcat, IBM WebSphere 7.x/6.1/6.0, Web Services, LDAP, XML, AIX, Solaris, Windows, SQL Server.

 

 

Responsibilities:

§ Developed web and client server applications using J2EE architecture implementing various design patterns.

§ Developed JSP pages.

§ Installed and configured Apache Tomcat and Sun ONE (iPlanet) Web Server.

§ Deployed EJB web application on Tomcat Application Server.

§ Developed front-end using CSS, XML, XSLT, JavaScript, JSP Struts/Spring frameworks and Tag libraries.

§ Configured and maintained WebLogic server with JDBC Connection Pool, JMS, JNDI, SNMP and J2EE Services.

§ Troubleshooting, Load balancing, Testing and Code Profiling to measure the performance of the various applications deployed in WebLogic Server.

§ Developed many shell scripts to automate the maintenance process of the WebLogic and recover the backed up WebLogic configuration.

§ Involved in assisting QA team in Load and Integration testing of J2EE applications on WebLogic Application Server.

 

 

EDUCATION:

 

Bachelors of Engineering (Computer Science) , M.D.U Rohtak, Haryana India, 2008

 

 

REFERENCES:

 

On Request.

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