Nikhil
E-mail: abk4mt@r.postjobfree.com
Phone: 404-***-****
_______________________________
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PROFESSIONAL SUMMARY:
. Over 6+ years of extensive experience in the IT industry with 5+
years of WebLogic Administration, Monitoring, Troubleshooting and
Maintenance on WebLogic Servers.
. Expertise in Installation, Configuration, Trouble-Shooting and
Maintenance of BEA WebLogic Server 7.0/8.1/9.x/10.x, iplanet Web
Server, Apache Web Server on different UNIX flavors and
environments.
. Experience in Maintaining BEA WebLogic Server on different UNIX
platforms and setting up the Development, Testing, Staging and
Production environments.
. Installed, Migrated and configured IBM WebSphere MQ Series on AIX,
Linux and Windows.
. 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.
. Strong knowledge in Clustering EJB objects, JDBC connections and JMS
connection factories,, queues and topics
. Experience in configuring Node Manager to start and stop managed
servers from admin console.
. Experience in both Clustered and non-Clustered environments.
. Expertise in writing WLST scripts for starting, stopping servers,
Node managers and deploying applications.
. Excellent working knowledge in implementing LDAP and Netscape
Directory Server.
. Sound knowledge of Java Naming and Directory Services (JNDI).
. Excellent BASH, C-Shell and KORN UNIX (shell), ANT scripting skills
. Created cron jobs for timely running of jobs
. Experience in finding the Memory Leaks and adjusting the JVM Heap
Sizes and GC Parameters.
. Worked along with various teams like firewall, networking (tcp/ip)
in solving performance issues.
. Worked in an environment equipped with SSO (Single Sign On)
mechanism.
. Implemented security based architecture for distributed systems.
. Experience in 24x7 on-call production support and trouble-shooting
problems related to BEA
. Very good knowledge on Windows and UNIX Administration.
. Working knowledge in writing, modifying and executing the ANT build
scripts for automating daily routines.
. Good understanding of Systems Development Life Cycle (SDLC).
TECHNICAL SKILLS:
Application WebLogic 7.0/8.1/9.x/10.x, WebSphere 5.x/6.x,Tomcat
Servers 4.1/5.1/6.x
Web Servers Apache HTTP Server, Sun One (iPlanet) 6.0/ Sun One, IBM HTTP
Web Server, IIS server(5/6)
Operating Systems Unix, Solaris (8, 9, 10), Linux (3, 4), IBM AIX, Windows
2K/XP/2003/vista/7
Tools/Utilities Site Minder, TOAD, Eclipse3.0, Ant5.1, Test-Director
Databases Oracle 8i/9i,10G, DB2, MYSQL SERVER, MS Access
Languages Java, SQL and PL/SQL
Web Tools and JSP, Servlets, JDBC, Java Script, WLST, Jython, XML, HTML.
Languages
Framework MVC, Apache Struts
PROFESSIONAL ACCOMPLISHMENTS:
SunTrust/ Atlanta, GA
JUN2009 - Till date
Role: Application Server Administrator
Responsibilities:
. As a Middleware Administrator responsible for administration,
configuration and monitoring of BEA WebLogic 9.2MP2 and 8.1sp6
Application Server Environments.
. Responsible for Installation, configuration and administration of BEA
WebLogic Server 9.2MP2, 8.1sp6 on SUN Solaris 8/9/10 servers.
. Responsible for Configuration and Administration of Sun One and Apache
Web Servers, including installation and configuration of WebLogic proxy
Plug-ins to proxy load balanced requests for dynamic content to backend
WebLogic Application Servers.
. Involved in Designing implementation strategies for WebLogic Server
upgrade from 8.1sp4 to 9.2MP2
. Developed Application deployment, Server restart, WebLogic Health
Monitoring scripts for BEA WebLogic 9.2MP2 and 8.1sp6 Clustered & Non-
Clustered environments.
. Responsible for providing 24x7 on-calls Production supports.
. Responsible for configuring Wily Introscope to monitor the performance
of WebLogic Application Servers.
. Assisted Performance testing teams to improve the overall performance
of J2EE applications services on BEA WebLogic Application Server
Platforms.
. Responsible for preparing Implementation Plan templates for WebLogic
Application Deployments and any other Infrastructure changes.
. Responsible for deploying various types of application packages
including JAR, WAR and EAR files.
. Responsible for implementing solutions with WebLogic for stand-alone
and clustered environments using HTTP Plug-ins for Apache and SunOne
Web Servers.
. Assisted development teams in activities such as load testing,
troubleshooting and performance tuning of WebLogic Applications.
. Responsible for working with product vendors like F5, SUN, EMC, BEA,
VERITAS to resolve product related issues: both hardware and software.
Environment: Weblogic Server 8.1/9.x, Apache HTTP Web Server 2.0, Sun
Solaris 8/9/10, JDBC, Servlets.
NMDP, Minneapolis, MN
JUL2007 - MAY2009
Role: Application Server Administrator
Responsibilities:
. Performed BEA WebLogic Server 8.1/9.x administration tasks such as
Installation, Configuration in Development, Integration, QA and
Production.
. Installed and Configured Apache HTTP Server 2.0 to proxy with
WebLogic Server 8.1/9.x.
. Configured Reverse Proxy, Virtual Hosting, SSL between Apache HTTP
and WebLogic for secure Connection.
. Deployment and Troubleshooting of JAR, WAR and EAR applications in
Clustered environment with WebLogic.
. Created and configured WebLogic server domains using the wlserver
and wlconfig Ant tasks. Deployed applications and standalone modules
using the wldeploy Ant task.
. Deployed the applications on multiple WebLogic Server instances and
maintained Load balancing, High availability and Fail over for the
servers.
. Performed Load testing for specified load on particular application,
Capacity Testing to determine max load on application, and Stress
Testing to determine stability and reliability of an application
using Grinder Tool.
. Configured and set up Secure Sockets Layers (SSL) for data
encryption and client authentication.
. Log files analysis such as WebLogic server logs, node manager logs,
plug-in logs, and thread dumps, verbosegc logs for troubleshooting
and problem determination to resolve issues.
. Created Server Execute Queues and Tuned the parameters for better
performance of critical applications deployed in WebLogic Server 8.1
. Configured and Troubleshoot WebLogic Node Manager for local / remote
administration of Managed servers in SUN Solaris and Red Hat Linux
Platform.
. Extensively used WLST (WebLogic Scripting Tool) and UNIX Shell
Scripts to monitor and manage WebLogic server instances and domains.
. Configured the reliable HTTP Session management for clustered
applications, DNS, FTP, and Virtual hosts.
Environment: WebLogic Server 8.1/9.x, Apache HTTP Web Server 2.0, Sun
Solaris 8/9, Java, Oracle 9i, JDBC, Servlets, Shell, Ant, Introscope,
LoadRunner, Siteminder.
EDS, Plano, TX
JAN2006 -JUN2007
Role: System Administrator
Responsibilities:
. Worked directly with end users to resolve Blackberry handheld problems.
. Installed, configured, and maintained Blackberry Enterprise Servers.
. Installed, configured and maintained GoodLink 3.8 / 4.036 / 4.5 software
applied to both the server and mobile devices.
. Developed troubleshooting documents for the first level support teams to
minimize downtime and the need for problem escalations.
. Worked within an online ticketing system to resolve day-to-day end-user
messaging related issues.
. Second level Exchange 2003 support in a team setting.
Environment: GoodLink 3.8/4.036/4.5
CMC - Hyderabad, India
JAN2005 - DEC2005
Role : Weblogic Administrator
Responsibilities:
Involved in Development of a web based application for "Shares Management
System" that provides different online-transactions. The application
enables to access customer's account after authenticating the provided
credentials.
. Created, managed and maintained customer databases using Oracle.
. Configured a server to receive requests and perform business logic
. Provided testing and production support
. Installed, Configured and administered WebLogic server 7.0
. Performed WebLogic Server performance tuning.
. Performed J2EE application deployment and administration
. Created Managed Servers in a Cluster with round-robin algorithm for
Load Balancing
. Configured Node manager for the machine.
. Created user roles and groups and mapped to the applications for
securing the resources
. Installed and configured Apache and I-Planet Web Server
. Configured and administered JDBC, JMS, JNDI, and SNMP in WebLogic
Server 7.0
. Developed scripts for automatic startup and shutdown of Admin Server
and Managed Servers
. Involved in trouble shooting and fixing day-to-day problems of the
applications in production
Environment: Weblogic Server 7.0, Oracle 9i database, Apache tomcat
4.1.31.
Paradigm InfoTech, Hyderabad, India SEP2003
- DEC2004
Role: Java Developer
Responsibilities:
. Involved in the business analysis and system design to support the
workflow
. Requirement Analysis and defining the Scope.
. Involved in development activities which involves construction
of JSP, servlets, EJBs in J2EE environment.
. Developed JavaScript functions for client side validations.
. Implemented MVC Design Pattern in the development process.
. Involved in preparing Unit Test Cases and performing Unit Testing
and Integration Testing.
. Managing the configuration and controlling the versions of source
codes using MS-VSS (Version Control Systems).
Environment: NetBeans, MS-VSS, Eclipse 3.0.
EDUCATION:
. Bachelor of Engineering from JNTU, India.
References:
Will be provided on request.