Engineer Maintenance
Resume:
[pic]
Maulik Mody
abkobe@r.postjobfree.com
Summary:
. Over 6 years of IT experience in analysis, design, development,
troubleshooting and administration of software applications using
object oriented and distributed computing methods.
. Over 5 years of extensive experience in installing, configuring and
administering J2EE applications on IBM WebSphere Application Server v
3.x/4.x/5.x/6.x/7.0 on Solaris/Linux/AIX/Z-OS and windows platform
along with handling production critical issues.
. Extensive experience in setting up workload management (WLM) topologies
and failover strategies utilizing WebSphere Clustered Cells and
updating the dmgr/nodeagent/server by applying fixpacks and JDK
patches.
. Expertise in performance tuning of JVM including heap settings, garbage
collection, connection pooling and memory allocation.
. Good experience in UNIX shell, JACL, PERL, WSADMIN and ANT scripting.
. Closely involved in system design, capacity planning, system
troubleshooting, monitoring and finally setting up best
practices/processes for maintenance of applications as well as system
stability.
. Responsible for maintaining third party softwares like Quest's
Foglight/spotlight, Progress's Objectstore, Wily's Introscope and
handling PMRs for their support including IBM.
. Responsible for exploring prevalent technologies like Portal server
6.x, Sun's Glassfish, DataPower devices, Foglight, Sun `s iPlanet 6.x,
Tomcat v 5.5.x, JBoss v 4.x, DB2, Oracle 9i/10g, MS SQL on Red Hat
Linux and Solaris 10 versions and making recommendations to business.
. Experience in object oriented programming using C/C++ and JAVA
including EJBs, Sevlets, JSPs, JMS, Java Beans and JNDI.
. Involved in securing the applications and maintaining their
availability and response times as per the SLAs set up by the business.
. Involved in training and automating systems for offshore folks as part
of business requirement to reduce budget.
. Excellent communication and inter personal skills.
Skill Summary:
Software: IBM WebSphere Application Server 3.x/4.x/5.x/6.x, 7.0, WebSphere
portal server V 6.1, WebSphere Commerce 5.6.x, Objectstore 5.0/6.0,
IIS6.0/5.0, Java Webserver2.0, iPlanetServer6.0/4.1,Netegrity
SiteMinder5.5/4.5, Introscope 7.1/8.1, Tomcat Apache 5.5.x,, SunOne Web
Server 6.1/6.0, Foglight, Spotlight, IHS 2.0.47/1.3.28/1.3.26/1.3,
Apache2.0.47/1.3.28, Adobe Live Cycle Policy server, Citrix ICA Client,
Akamai, Tealeaf 7.x, Gomez, IBM Support Assistant, ITSM, ClearQuest,
Service Now, Concorde.
Operating System: Solaris 8/9/10, AIX 4.3.3/5.1/6.1, RHEL 2/4/5.x and
Windows NT/2000/2003 Server, Z/OS.
Database: Oracle 10.x/9.0.2.5/8.1.7, Sql Server 2000/7.0/6.5/6.0, Sybase,
DB2 UDB8.1/7.2/7.1, and MS-Access 2000
Languages: Java, C/C++, Perl, php, jacl, and UNIX shell scripting.
Java Technologies: servlets, java scripts, jsps, JDBC, JMS, JNDI, tangosol,
hibernate, RAD, and eclipse.
Education:
1. Masters in Multimedia and Creative Technology - University of Southern
California, Los Angeles - CA
2. Bachelors in Electronics Engineering - Sarvajanik College of Engineering
and Technology, Surat - India
Certification:
IBM Certified - WebSphere System Administration version 6.1 - Network
Deployment.
Experience:
1. Wal-Mart Stores Inc. May
2010 - Present
Bentonville, Arkansas
Sr. Systems Engineer
Description: Wal-Mart runs a chain of large discount department stores and
a chain of membership required warehouse stores. It is the world's largest
public corporation by revenue and largest majority private employer. Wal-
Mart ISD is responsible for supporting apps that pertain to various Home
Office logistics and maintaining its acquired stores website.
Responsibilities:
. As a Sr. Systems Engineer, my primary responsibility is capacity
planning and infrastructure of hardware and supervising offshore
resources in handling the projects. I am also responsible for the
designing and allocation of resources for the projects.
. Supporting WebSphere Application Servers ND v 7.x and XD 6.x on AIX,
HP-UNIX, Z/OS and Suse Linux for high revenue Sam's CLUB and ASDA
websites.
. Am responsible for executing and rolling out of Money Gram application
to Wal-Mart stores worldwide.
. Involved in testing and analysis of IBM products like Cloudburst 2.0,
Datapower XI50 and also automation tools like RAFW and build forge.
. Responsible for maintenance of PVUs for WebSphere by designing the
cells and hardware to reach maximum performance while staying in
budget constraints. Also involved in maintenance of WebSphere
licenses.
. Migration and tuning of Work-Brain application from version 6.x to
7.x.
. Writing scripts to do regular maintenance of 4000 boxes which are in
production at Wal-Mart and storing historical data for analysis.
. Supporting WSRR V7.0 application on WebSphere 7.x.
. In charge of checking out open source technologies and coming up with
cost effective solutions for vendors and applications which require
minimum support. Am involved in analysis and cost effectiveness of
vendor software's.
. Regular day-to-day work includes 24 x 7 support and working with
vendors and customers to resolve issues and help with PMRs. Also
responsible to allocation of resources and driving outages and regular
maintenance work.
2.Starwood Hotels and Resorts Worldwide, Inc August 2006 - April
2010
White Plains, New York
Middleware - WebSphere Administrator
Description: Starwood is a collection of 10 luxury brands including W,
Westin, and Sheraton etc and has close to 1000 properties worldwide. Their
website allows visitors to check out the properties, view rates and
availability and make a booking. The project was outsourced to Accenture on
October 2009 and I was serving on behalf of Accenture at Starwood.
Responsibilities:
. Responsible for creating, troubleshooting, maintaining and documenting
the INT/QA/STG/PROD/DR environments for WebSphere version 6.1
clustered Cells for modules: Inventory, Rates, and Availability. All
these were part of our main project called Valhalla, which is a first
of its kind SOA implementation in the industry. I was responsible for
total of 380 PROD JVMs in Valhalla project.
. Along with Valhalla, was involved in maintenance and deployment of
another wing of project called SVO - Starwood Vacation Ownership which
is a website for agents of Starwood and is responsible for generation
of 30% of Starwood's online revenue. Websites under these were
www.stregisbrokers.com,
www.starwoodvo.com,
www.mystarcentral.com, www.phoenicianresidences.com,
www.stregisresidenceclub.com, www.starwoodvillarentals.com,
www.starwoodresidenceclub.com, and
www.svosecure.com
These environments had classic 3-tier architecture with Sun iPlanet
webserver, WebSphere Application Server and Oracle DB as the backend.
. Involved in maintenance/deployment and making sure SLA of website
availability is 99.95% for our primary website www.starwoodhotels.com
. Involved in necessary security updates and maintenance of SSL
certificates for webserver - appserver communications. Also secured
the console by configuring it with Sun One LDAP server.
. Valhalla project had DataPower and MQ as the interconnecting devices
and were used for load balancing, so was responsible for setting up
close to 600 queues on WAS.
. Worked as secondary support for DataPower XI 50 and was responsible
for setting up load balancing groups and testing POC.
. Setup of VM-Ware (Windows 2008 on Linux) for development to use their
tools, including Windows administration.
. Was responsible for JBoss v.4.0.5 clustering and configuring datapower
end-points for Availability modules.
. Installation of Apache, Tomcat, iPlanet and IBM Http web-servers and
updating the configuration plug-in and maintaining proper
communication between web servers and JBoss /WebSphere App servers.
. Successfully migrated our apps from WebSphere version 5.1 to 6 and
recently are in process of migrating apps to version 7.0.
. Other project had classic architecture with Sun's iPlanet web-servers
followed by clustered WebSphere JVMs connecting to Oracle DB.
. We had Wily's Introscope as monitoring tool so was involved in setting
up Dashboards and setting up alerts for Valhalla engines and
configuring JVMs for Introscope.
. Valhalla was a developing system throughout the project so was
responsible to gather information about the crash, system reaction to
new build, finding RCAs along with generating and doing analysis of
java cores and heap dumps.
. Availability module had a backend connection to in-memory database
called "objectstore" which is third party software from Progress. I
was responsible for installing, maintaining and tuning objectstore.
. Experimented with installing and working on IBM Portal server version
6.1, Glassfish and ATG Dynamo to check out other technologies
prevalent in the market.
. Also participated in oncall rotation and supporting other Valhalla
engines including MQ support along with crit sit/war room support and
getting IBM help with PMRs.
. Other day-to-day activities included working with developers and
setting up small environments for their use, automating scripts for
their deployment, patching and WebSphere versions, which ranged from
5.0 to 7.0
3. Qualcomm
February 2006 - August 2006
San Diego, CA
IT Engineer - Systems Administrator
Description: Qualcomm is a wireless telecommunications research and
development company. IT department handles Qwiki and QTime applications,
which are used by the employees of Qualcomm worldwide along with websites,
which maintain their product versions.
Responsibilities:
. Qualcomm was in the process of setting up new Dev and Test clusters in
Las Vegas datacenter, on Linux and Sun Solaris boxes. I was the
primary for this activity and installed WebSphere 5.1 and updated the
patches on about 25 boxes.
. Was also responsible to migration activities from Websphere 5.1 to 6.0
version.
. Installed, maintain and administrate RHEL 4 (Nahant) including
maintaining users, setting up file systems and updating kernel to
necessary upgrade level.
. Installed Adobe Live Cycle Policy Server and set up queues for
communication with WebSphere Application Server.
. Was responsible for maintenance and deployment of existing and new
J2EE apps on WebSphere v 5.x and Tomcat v.5.5.4. Also responsible for
running generating reports for load test and performance test using
JMeter.
. Windows 2000, 2003 administration including setting up alerts and
installing third party software's.
. Installed and configured IBM WebSphere Commerce v5.6.1 on Sun solaris
boxes.
. Instrumented Quest's Foglight and Spotlight to monitor applications,
their load, load on servers and traffic flow. Responsible for setting
up the application and deploying the agents on each host to monitor
the load. Installed agents for WebSphere, Tomcat, documentum and web
servers. Also did the setup of dashboards for various applications and
setup alerts for production critical apps.
. Install IBM Http Server and Apache and update the plug-in for
WebSphere and also enable compression for wireless sites.
. Wrote scripts for day-to-day maintenance, system backup, system
generated alerts and disaster recovery.
. Daily activities included resolving tickets and maintenance of
applications. Also, dealing with vendors and 3rd parties to manage,
upload and troubleshoot their applications.
. Was responsible for responding and recovery process of critical or
failed systems scenarios.
. Installing the certificates and installing SiteMinder to implement
Single Sign On (SSO).
. Configured LDAP security for login for WebSphere consoles.
4. University of Southern California
May 2004 - May 2005
Los Angeles, CA
Webmaster for EE Department
Description: Department of Electrical Engineering at USC's website provides
tools for students to interact with TA/professors and is the primary portal
for students to view their grades and blackboard discussion boards.
Responsibilities:
. Responsible for maintaining Apache web servers and updating websites
for the Electrical Department.
. Developed a front-end application using HTML, jsps and JavaScript for
various professors and their courses.
. Developed an interactive website where RA/TA can directly enter the
grades for students.
. Developed various GUIs using Java, C/C++ MFCs and Visual Basic.
. Developed and maintained various EE student's help portals where their
information would be generated dynamically using Perl and php to
create html.
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