DAS

Certified WebSphere/Middleware Administrator

Phone: 470-***-**** Email: acwcey@r.postjobfree.com

SUMMARY:

Seven plus years of IT Experience in Installation, Configuration, Deployment and Management of Enterprise Applications using WebSphere Application Server 8.5/7.0/6.1 and 5 Years of Experience in WebSphere Portal Server 8.0/7.0/6.1 on various platforms like AIX, Linux and Windows 2003.

Expertise in providing technical support and administration of IBM WebSphere Application Server, Portal Server, JBoss Application Server, IBM HTTP Server on various UNIX Platforms (AIX, Linux) & Windows and setting up the development, testing, staging and production environments.

Experience in applying patches and plug-ins for JBoss Application Server.

Strong technical knowledge in JBoss Application server implementation, workload management and performance tuning including Web server setup configuration with JBoss Application Server.

Expertise in UNIX Shell Scripting, JACL, Jython, wsadmin, Perl and ANT scripting for administration, maintenance and installation of applications.

Expertise in creating pages and mapping portlets to pages using WebSphere Portal Server 8.0/6.1.

Handled the issues in all areas of WebSphere Application Server 8.5/7.0/6.1 including installation, applying patches/fix packs, installing certificates, application deployment, work load management, clustering, plug-in generation/propagation, web servers and migration.

Extensively worked on migrating applications from different versions of WebSphere Application Server (6.1 to 7.0 and 7.0 to 8.5).

Hands on experience on Web Content Management (WCM).

Experienced in database transfer from derby to DB2 during installation of Portal Server 8.0/7.0/6.1.

Expertise in configuring Portal cluster.

Hands of expertise in configuring the Portal cluster for a federated LDAP Repository.

Expertise in configuring Portal light mode which will improve the performance.

Expertise in deploying Pages and Portlets using release builder across the environments.

Good experience in changing the URI for pages.

Expertise in implementing WSRP (Web Service Remote Producer) for WebSphere Portal 8.0/6.1 to consume the portlets using Web Services.

Expertise in identifying components causing problems in performance using Tivoli Performance Viewer and Wily Introscope.

Experience with working on WebSphere Service Registry and Repository (WSRR).

Experiencing in securing the applications and creation of Security Domains in WebSphere Application Server and creation of SSL and Digital Certificates for requesting, generating and implementation for the communication between Web Server and the Application Server.

Good at troubleshooting using Traces, Logs, and Log Analyzer and experienced in analyzing thread, heap and core dumps using IBM Support Assistant (ISA) 4.1.

Highly experienced in deploying solutions in High Availability (HA), Load Balancing Configurations eliminating single points of failure. Strong technical knowledge including implementation, support, Workload Management (WLM) and performance tuning of JVMs.

Configured and Secured Web server interface, Session management, WebSphere resources, J2C resources, connection factories and JMS resources in WebSphere Application Server environment.

Experience with relational databases like DB2, ORACLE, and SQL Server also good at working on various LDAP servers like IBM TDS, and Active Directory etc.

Experience in following support procedures, receiving live calls from customers and taking 24x7 on-call shifts and Opened PMRs with IBM to resolve mission critical problems.

Excellent problem solving abilities and leadership skills.

EDUCATION:

Bachelor of Technology in Electronics and Communication Engineering SRM University, India.

TECHNICAL SKILLS:

APPLICATION SERVERS : IBM WebSphere Application Server 8.5/7.0/6.x, JBoss Application Server, WebSphere Portal Server 8.0/6.1, WebSphere Process Server (BPM) 8.5/7.0.

WEB SERVERS : IBM HTTP Server 8.5/7.0/6.1/, MS IIS, Apache HTTP Server, Tomcat.

OPERATING SYSTEMS : AIX, Linux and Windows.

SCRIPTING : UNIX Shell, JACL, Jython, Perl, ANT and Java Script

DATABASE : Oracle 11g/10g/9i, IBM DB2 10.1/9.x/8.x/, MS SQL Server and Mysql

LDAP : IBM Tivoli Directory Server, MS Active Directory.

MONITORING TOOLS : Wily Introscope, App Dynamics and Tivoli Performance Viewer

SECURITY : SSL and SSO.

WEB TECHNOLOGIES : Java, Java Script, HTML, XML, J2EE, JMS, JDBC, JNDI.

NETWORKING : TCP/IP, HTTP/HTTPS, F5 Load balancer, RMI/IIOP.

OTHER TOOLS : Resource Analyzer, Log Analyzer, IBM Support Assistant.

GOVERNANCE : IBM WSRR

CERTIFICATIONS:

IBM Certified Administrator – WebSphere Application Server Network Deployment V8.5

IBM Certified Administrator – WebSphere Application Server Network Deployment V7.0

PROFESSIONAL EXPERIENCE:

Client: ACS Xerox, Atlanta, GA Jan ’15 – Present

Role: WebSphere/Middleware Administrator

Responsibilities:

Install, configure, maintain, upgrade, patch management, troubleshoot, repair and support WebSphere Application Servers 8.5/7.0, WebSphere Portal Server 8.0/7.0, and IBM HTTP Server 8.5/7.0 on AIX and Windows platforms.

Install, configure, maintain, upgrade, patch management, troubleshoot, repair, and support Web Servers.

Installed and configured Jboss Application servers for DEV, QA and PROD systems.

Install, configure, maintain, upgrade, patch management, troubleshoot, repair and support WebSphere Portal Servers 8.0/7.0.

Support Web Content Management (WCM) and Syndication on a daily basis.

Install, configure, maintain, troubleshoot, repair and support Wily on a variety of Application Servers and Web Servers like WebSphere Application Servers, Portal server, IBM HTTP Servers.

Using Wily API developed own service to monitor count of few metrics.

Extensively involved in the migration of applications from WebSphere 7.0 to 8.5 and WebSphere Portal 6.1 to 8.0.

Involved in the WebSphere automation tasks like creating build scripts and deployment scripts using SHELL, JACL and Jython scripts.

Involved in securing the applications and creation of Security Domains in WebSphere Application Server. Also involved in the setup of SSL secure connection.

Identified IO issue and response time issues in production. This improved response time by eliminating IO issues in production.

Installed and configured WSRR

Implemented Core group separation in prod.

Implemented high available HA dmgr in one of the prod regions.

Installed Jenkins and related Plugins.

Automated the entire build and deployment process using Jenkins for Continuous Integration, and also documented the process.

Extensively involved in tuning of the JVMs through connection pool settings, process definition and Web container settings.

WebSphere Service Registry and Repository (WSRR) for lifecycle management.

Involved in the troubleshooting JVM resources and hung threads using heap dump, thread dump and ISA 4.1 (IBM Support Assistant).

Participate in on-call rotation supporting 24x7 according to established SLA guidelines.

Environment: IBM WebSphere Application Server 8.5/7.0, WebSphere Portal Server 8.0/6.1, IBM HTTP Server 8.5/7.0, Apache Server 2.2, AIX 6.1, Shell Scripting, JACL, Jython, BIG IP (F5), ANT, DB2 10.1/9.5, Oracle 11g/10g.

Client: Citi Bank (WIPRO), Chennai, TN Jul ’13 – Dec ’14

Role: WebSphere/Middleware Engineer

Responsibilities:

Installed, configured, administered, and managed WebSphere Application Server 7.0/6.1, JBOSS Application Server, WebSphere Portal Server 6.1 and IBM HTTP Server 7.0/6.1.

Maintained WebSphere on AIX and windows platforms and provided setup for development, testing, staging and production environments for the on-going application development.

Provided Shell, JACL, Jython scripts to automate the administration of enterprise application resources.

Configured and setup Secure Sockets Layer (SSL) for data encryption and client authentication.

Worked on Work Load Management (WLM) using “clusters and nodes”, vertical and horizontal clustering of WebSphere Application Servers.

Worked with various features like High Availability and Failover of different applications.

Responsible for creation of stop/start/monitor scripts that work with TSA to automate the failover of the NDM/dmgr.

Responsible for creation of scripts to install multiple IHS instances on 2-tier (NDM, APP) and 3-tier (NDM, APP, WEB) environments.

Used ‘cron’ and ‘at’ job scheduling utilities for automatic application install, uninstall and application enhancements.

Performed automation of installation of patches, ifixes and fix packs using Build Scripts.

Responsible for schedule and emergency software changes, problem determination and implementation of corrective measures.

Developed Unix Shell scripts, JACL scripts to automate the WebSphere Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc)

Involved in troubleshooting and performance tuning using Log Analyzer, Resource Analyzer and Tivoli Performance Viewer (TPV).

Configured and extensively used the WebSphere security and authorization features.

Involved in 24/7 On-call support of production servers.

Environment: WebSphere Application Server 7.0/6.1, JBOSS Application Server, WebSphere Portal Server 6.1, IBM HTTP Server 7.0/6.1, AIX 5.3, WebSphere MQ 6.0, IBM DB2 9.5, Oracle 10g, ITDS LDAP Server 6.0/6.1, J2EE.

Client: Apollo Health Street, India Sep ’11 – Jul ’13

Role: WebSphere/Middleware Engineer

Responsibilities:

Installed both IBM WebSphere Application Server V5.1 and WebSphere Application Server Network Deployment V5.1 and configured it.

Implemented horizontal and vertical scaling of WebSphere Application Server Advanced Edition in a workload managed cluster. This involved modeling and cloning also called server groups and cloning services in WAS V5.

Integrating enterprise-wide J2EE applications and deploying using WebSphere Application Server and Application Assembly Tool.

Involved in configuration of WebSphere Application Server resources like JDBC Data Sources, JDBC Providers and Connection Pooling to connect to the DB2.

Maintained WebSphere Application Server 6.1 for web applications development and deployment JSP and EJB components on WAS.

Server plug-ins were generated and deployed in IBM HTTP Server.

Was involved in writing shell scripts to automate WebSphere admin tasks and application specific rsyncs / backups and other schedulers.

Participated in team meetings and management meetings to resolve issues related to the various environments.

Provided support by 24x7 shift rotation basis.

Environment: WebSphere Application Server 6.0, Solaris, Windows 2000, DB2 UDB, IBM HTTP Server 1.3, XML, LDAP, Tivoli

Client: Aphelion Investment Inc., India Aug ’09 – Sep ’11

Role: System Administrator

Responsibilities:

Involved in designing WebSphere Application Server load balancing and fail over by using Workload Management (WLM), horizontal and vertical scaling.

Responsible for Webserver, Application Server and Operating Systems installation, Debug and performance monitoring for all applications running on the company’s Website.

Installed and configured IBM WebSphere Application Server 5.0 and IBM HTTP Server on AIX and CentOS.

Involved in installation, configuration, migration, and clustering and user management on AIX/Solaris.

Installed and configured sudo for users to access the root privileges.

Played an active involvement in monitoring server performance, network traffic to reduce performance bottleneck by enhanced performance ensuring upstream queuing.

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