Server Application

David mark

(Sr. WebSphere Admin)

PROFESSIONAL SUMMARY:

. 1+ years of IT experience on IBM middleware products including WebSphere

Application Server 4.0/5.0/6.0/6.1/7.0, IBM WebSphere MQ 6.x, IBM

WebSphere Portal Server 7.0/6.0 and capable of Delivering High Quality

Software Solution.

. Experienced in Workload Management (WLM),WSADMIN/WSCP scripting and

troubleshooting the middleware product related issues on diff UNIX

flavors (Solaris, AIX, and Linux),z/OS and Windows environments.

. Expertise in Installing, Configuring and Trouble-Shooting Application

Servers like IBM WebSphere 6.1/6.0/5.0/4.0/3.5 and Web Servers like IBM

HTTP Server, Apache Web server, NES on windows, Linux, AIX and Sun

Solaris platforms.

. Experience in deploying J2EE applications on WAS 5/5.1/6/6.1 versions

using WAS admin console and WS Admin scripting tool.

. Experienced in troubleshooting and monitoring tools, including Tivoli

Performance Viewer, Site Monitor, Thread Analyzer, Profilers.

. Migrated existing applications from WebSphere Application Servers 5/5.1

to 6/6.1and 6.x to 7.x on Windows and UNIX platforms.

. Experienced in most of the WebSphere admin tools including wsadmin,

backupconfig, JACL, Jython Scripts, TPV, Resource analyzer, Log Viewer

and AAT.

. Sound knowledge in J2EE technologies, JNDI, JMS, JDBC, Servlets, JSP and

EJB.

. Developed JACL and shell scripts to automate the maintenance process of

WebSphere Application Server v5.0/6.0/6.1.

. Installed SSL certificates, configuring Single Sign On (thru TAI module

of Siteminder), configuring Siteminder WebAgent to implement Security,

and enabling Global Security for the Application Server.

. Managed and administered workloads, server groups and clones in WebSphere

Created, configured and administered profiles, several clusters, Nodes

and Node groups for WebSphere Application Server.

. Experience in integrating WebSphere Application Server and Deployment

Manager with IBM HTTP server, IBM Directory Server, Sun ONE Web Server,

Oracle, DB2 and SQL servers.

. Experience in creating, configuring and administrating profiles,

clusters, nodes, node agents and node groups for WebSphere Application

Server.

. Experience in debugging applications in Base, ND and XD of WebSphere

Application Server providing load balancing and clustering solutions.

. Monitored, Optimized and tuned J2EE based solutions in both single node

and clustered environments.

. Applied Fix packs/e Fixes/Refresh packs/Cumulative fix packs for WAS

using Update Installer and automating it.

. Experience in DNS, LDAP, FTP, remote access, security management, and

system troubleshooting skills.

. Extensive experience in problem tracing and WebSphere log file

managements and implementing the workload Management (WLM) using cloning

and clustering.

. Good experience in analysis, design, implementation, integration, and

debugging.

. Excellent communication, analytical skills and flexible to learn new

technologies in the IT industry and work towards company's success.

. Adaptive to team environment and has the capability of completing complex

tasks independently and involved on call rotation.

. Provided 24x7 production support, best practice troubleshooting,

monitoring, capacity planning, performance tuning, naming standards,

security and maintenance.

TECHNICAL PROFILE

Web/App Servers WebSphere Application Server 5.0/6.0/6.1/7, IBM Http

: Server6.0/2.0.47/2.0.42/1.3.26/1.3.19,IIS,ApacheWebServ

er, Tomcat,SunOne,iPlanet,WebSpherePortalServer(WPS)

5.0.2,6.0,6.1,Tivoli,Wiley,WebSphereXD 6.0.WebSphere

Process Server 6.x,WBI v6.0.2,WBIMB 5.0.

Operating Systems: Windows XP/NT/2000/9x, MS-DOS, HP Unix, Sun Solaris,

Linux, z/OS, IBM AIX (4.0/5.x).

Programming Java, J2EE, C++, C,Ant, CGI, Lisp, Prolog, SQL/PL SQL,

: HTML, DHTML.

Scripting JACL,Jython,TCL, WSCP, WSADMIN,Korn Shell Script, Perl,

: JavaScript, VBScript, CSS,Ant.

Databases MSSQLServer2000/2005, Sybase.

:

Networking TCP/IP Protocols, Socket Programming, DNS.

:

Frame work MVC, J2EE Design Patterns, Struts.

:

IDE Eclipse, WSAD, NetBeans, Jbuilder, Editplus,

: OracleJDeveloper.

Monitoring Tools APM, Wily Introscope 6.x/7.x/8.x, Tivoli Performance

: Viewer

SCM Tools RationalRose, RationaClearcase, CVS, Perforce,

: StarTeam.

EDUCATION:

. Bachelors of Engineering

CERTIFICATION:

. IBM Certified on WebSphere Application Server Network Deployment V 6.1

Core Administrations.

PROFESSIONAL EXPERIENCE

United Group, Minneapolis, MN

Apr' 10 - Present

WebSphere Middleware Administrator

Responsibilities:

. Installation, Configuration and Maintenance of WAS 6.1, IBM HTTP Server

on AIX, Linux, Sun Solaris, and Windows NT 4.0/2000 Servers in a multi-

clustered high availability environment.

. Deployed new Enterprise J2EE applications in the shared WAS environment

. Installed and Configured IBM HTTP Web Server & Plug-In and configured

Plug-in xml files.

. Creation of data sources for the applications involving DB2 and Oracle

11g.

. Created and setup new WebSphere Application Servers in a clustered

environment.

. Involved in configuring WAS with MQ.

. Involved in integrating Wily Introscope with WebSphere application Server

6.1.

. Setting up Environment for Application packaging and deploying.

. Diagnosed the problems caused in the applications through the log files

and rectified the problems.

. Implemented SSL security between client & web server and also between web

server and application server

. Involved in Application Server performance monitoring of resources like

web container connections, JDBC connection pools, thread pools, system

load like CPU utilization and Memory utilization, garbage collection and

JVM heap size.

. Analyzing Error and Event log files and diagnosing Application Server

problems.

. Monitoring application log files, Application Server Performance, Servlet

Status, Active Sessions and DB Pool connections.

. Analyzed logs, Java Core & Heap dump & raise Tickets with IBM (PMR).

. Configured WebSphere Application Server on multiple platforms for both

horizontal and vertical scaling to make the applications highly available

and fine-tuned Load Balancing with Server weights.

. Successful implementations of Workload Management (WLM) using clustering

techniques (horizontal and vertical) for failover and backup/recovery

processes.

. Performed WebSphere process tuning, Administrative Repository tuning, JVM

optimization, Java memory tuning.

. Used Tivoli Performance Monitoring tool and Wily Introscope to monitor

application resources (Enterprise beans, Servlets) and WAS runtime

resources (JVM memory, application server thread pools, database

connection pool, CPU Starvations) and to identify performance bottlenecks

including application memory leaks, server process degradation, database

connections, http threads, etc.

. Provided assistance during load testing and trouble shooting on issues

such as Out of Memory, 100% CPU Usage, hung Thread sessions, session

replication, JVM Crashes.

. Developed scripts to automate everyday Administration tasks such as

backup procedure, system cleanup, everyday system tasks, log rotation

etc.

. Configured LDAP using IBM Tivoli Directory Server for user

authentication.

. Creation of users and providing appropriate rights.

. Performed Application-data backup & recovery, local backup/restoration of

the WebSphere Environment - configurations and applications

. Monitoring of space availability on each file system using the Shell

Scripts.

. Migration of the existing applications from WebSphere 5.0/5.1 to 6.x

using WASPreUpgrade and WASPostUpgrade tools.

. Documented all procedures and any other important issues and provided

24x7 on-call support of middleware applications as part of rotating team

coverage.

. Knowledge of WebSphere Partner gateway, Process Server and Data Power.

Environment:

IBM WebSphere Application Server 6.1, IBM WebSphere MQ 6.x, IBM DB2, AIX

6.1, LDAP, IHS Web Server 7.0, Oracle, Wily Introscope V7.x/8.x.

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