Professional Experience:13 Years of experience in System Administration of Web Infrastructure in Heterogeneous environment. Supporting Application Servers like WebLogic, WebSphere, JBoss. Web Servers like Apache, iPlanet. System Administration of Operating Systems like Sun Solaris, AIX, Linux and Windows Operating Systems. Middleware's like MQSeries, Tibco. Expertise in IBM Tivoli, BMC Patrol, Quest Foglight, Performasure, Jprobe.etc

Certifications and Trainings:

• WebLogic training from BEA
• WebSphereMQtraining from IBM
• Sun Certified System Administratorfor Solaris.
• VERITAS Cluster Server 4.x for Solaris trainingfrom Veritas
• BMC Patrol training from BMC.
• Certified IBM Tivoli Monitoring (ITM)V5.1.1 Implementation
• TivoliStorage Management(TSM)training from IBK.
• Certified by Cisco Systems as CCNA 2.0.
• Certified by Microsoft as MCSE in Win2k and NT4.0

Experience Summary:

• Expertise in Administration of Application Servers and Web Servers on Solaris, Linux, AIX and Windows environments.
• Hands-on Installation, Administration, Support and upgrades of Sun Solaris, AIX and Linux Operating Systems. Proactive monitoring and collection of of overall systems health metrics for use in proactive administration and systems trend analysis.
• Experience in Installations, Upgrades, Deployments, Performance Tuning, Maintenance, and Capacity Planning of WebLogic, WebSphere and JBoss Application Server.
• Responsibilities include Support, Maintenance, Troubleshoot and Monitor Production and Pre-Production environments with highly-available clustered networked applications with critical business driven Web Traffic.
• Analyzing JVM thread dumps, Collecting Real time Heap Usage, Execute queue traffic, jmx performance data and Database Connections.
• Automate maintenance, operations and administration processes through scripting in Shell, Perl, WLST, WSAdmin and other tools.
• Primary Responsible for the operations, performance, integrity, and maintenance of WebLogic and Solaris servers in a highly dynamic and fast paced environment.
• Enterprise Systems Performance and Capacity Planning Management by Analysis of business and application resource requirements Includes hardware & software upgrades by proactively monitoring performance & resource utilization.
• Expertise in implementation and maintenance of DHCP, NFS, NIS, DNS, TCP/IP, FTP, LDAP and SMTP Server in Solaris Environment.
• Participate in Root Cause Analysis, assisting peers and working with manager to recommend and implement best practices.
• Assisting in code updates, Build, Release and Deployment using Teamsite, Anthill, Maven, CVS, SVN, scripts etc tools.
• Enterprise System and Network management using Quest Foglight, Tivoli, BMC Patrol, SunMC and Topaz Applications.
• Implementing and Administration of Tivoli Modules like ITM, TEC, TSLA, TMTP, TEC, TDW & TWS.
• Project Implementation, System Administration, Technical Support and Customer Support are some of the main responsibilities executed.
• Administration of Tivoli Storage Management and Veritas NetBackup for Enterprise Centralized Backup in Heterogeneous Platforms.
• Participate in specification, procurement, design, deployment, and upgrades of hardware, network, software, and mobile communications.

Skill Set

Operating Systems : Sun Solaris, Linux, AIX, Windows Server, Novell NetWare.

Application/WebServers : WebLogic Server, IBM Websphere Server, JBoss, Tomcat, Apache, IBM HTTP Server, Iplanet, IIS, Netscape Enterprise server, Glassfish, ATGDynamo.

Database : Oracle, DB2, Sybase, SQL, MySQL.

Hardware : Sun Sparc, AIX, HP, and Intel x86 Platforms.

Other Software's : Veritas Cluster, Veritas Volume Manager, Veritas File Systems, Open Disk suite (ODS), Veritas Netbackup, Tivoli Storage Manager, Proxy, ISA, SMS, Tivoli, BMC, SunMC, Mercury Topaz, IBM MQ Series, Veritas NetBackup, Arcserver, ConnectDirect, VCOS, TIBCO, Check Point Firewall, Maven, Anthill, SVN, Teamsite, ClearCase, Wily Intrascope, Quest Foglight, Performasure, Jprobe, Siteminder, Empirix, Keynote.

Academic Profile:

Bachelor's Degree in Computer Science.
Post Graduate Diploma in Computer Science(PGDCA)
Masters in Information Technology(MSIT)

Professional Experience:

Since Nov'2006 - Till Date
Confidential, (From July 2009 - Till Date)
Confidential, (Nov'2006 - Jun'2009)

Client: Confidential
Role: Senior Systems Administrator (Web Operations)

Profile:
As a lead Systems Administrator, Supporting Toyota Web Infrastructure with above 3 million page hits/day business driven consumer traffic, maintaining multiple J2EE applications with 99.9% uptime SLA.

• Supporting 36 Applications in each environment which includes Production, Staging, Development and Test lanes, with WebLogic, Apache, Sun Solaris with Oracle RAC Databases.
• Applications hosting on Cloud with JBoss Application Servers, Linux Operating Systems for Business critical dynamically changing traffic requirements.
• Managing main brand sites like Toyota.com, Scion.com & Lexus.com along with other 200 mini/major sites while maintaining an SLA 20mins to troubleshoot any Sev1 issues by Supporting 24/7 on-call rotation.
• Assisting all brands re-design projects, New Applications Launches from initial planning phase to production cutovers and operational support.
• Shell and Perl scripting to analyze the traffic, load metrics, system performance and automate routine administrative tasks.
• Proactive monitoring of the Systems, WebLogic Memory and Queue Utilization, Automated Web Transactions using tools like Big brother, Empirix, Keynote, Gomez and internal Shell Scripts.
• Expertise in troubleshooting connectivity, application and systems related issues by understanding application flow, network and integration components.
• Develop and Maintain configuration documentation, Procedure Manuals and Standards for Web and App Tiers while assist in training and knowledge transfer to peers and Operations.
• Administration, troubleshooting of Search Application like Autonomy, Ultraseek and Akamaization of the web static content for better performance world wide.
• Working closely with Peers, Enterprise Architect, Strategic Planning, and various client departments to ensure efficient integration and operation of hardware, software and various internally and externally developed applications.

PROJECTS:

• WebLogic10 Upgrade:
• Key SA Role in upgrading WebLogic8 to WebLogic10 Version with Java 1.6.
• Contributing to the decisions on the migration plan which includes 36 applications in each environment.
• Troubleshooting issues found while migration, issues related to application code, properties files, scripts, syntax and environments.
• Quest Suite:
• Planning, Design and Implementation of Quest Suite which includes Foglight, Performasure and Jprobe in all the dotcom servers without any Professional Consulting services from Quest, to monitor WebLogic, Apache, Database and Operating System Resources
• Configuration and Customization of Rules, thresholds, alerts to suite the environmental requirements
• Vhosts Consolidation:
• Bringing the idea and leading the vhost consolidation project bringing down from 500+ vhosts to 100+ vhosts to minimize operation overhead and easy maintainability.
• Updating vhosts with complex mod_rewrite rules, model launches, redirects to improve site ranking.
• Cluster ReConfiguration:
• Lead role in Cluster Reconfiguration Project, upgrading 8 nodes single cluster to 28 nodes 6 clusters. Separating applications per brand and their role.
• Planning, Implementation, Migration and Testing each cutover for 36 applications.
• New Dev and Test Lanes Setup:
• Setting up 8 new dev and test lanes with WebLogic and Apache instances in solaris zones.
• Single SA to perform installation, configuration and customization of WebLogic modules and Apache instances
• Teamsite Templatization:
• Templatization of 500+ vhosts from an ascii file format to teamsite 'key, value' format.
• Helping Teamsite developer in planning, designing the forms and the customizations required to template each parameter, value in a vhost file
• Disaster Recovery:
• Key role in Disaster Recovery Project from initial planning phase till trail run.
• Recovery time to be minimum to recover web tier, app tier and db tier. Documenting each steps to be performed by operations incase of real disaster.

Since Nov' 04 - Oct'06
Confidential,
Role: WebLogic/Unix Administrator

Responsibilities:

• Experience with Weblogic Admin tasks as, Installation, Configuration, Patching, Domain creation, including clustered domains and User Maintenance
• Strong Weblogic Tuning skills, including, GC optimization, Memory leak detection, Thread pool tuning and Connection pool tuning.
• Experience with Apache admin tasks including: Installation, configuration, patching, Weblogic Plug-In Configuration
• Familiarized with the administration of networking and security infrastructure consisting of routers, switches, load balancers, firewalls, IDS, event correlation tools, etc.
• Providing Clear, Consistent and Timely communication to all client projects including project updates, proposals, operational issues.
• Develop change management processes to ensure that all products are tested and certified in a consistent manner.
• Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools. Involved in Managing JNDI, Managing Security, Configuring and monitoring JMS.
• Maintained 3rd-Party Vendor application software for Solaris/Linux and applied patches, upgrades, migrations, etc
• Developed scripts to start, stop, backup & recovery processes for web application server administration and to automate the maintenance process of the WebLogic Server using WLST, ANT Scripts for build releases.

Environment: SUN Solaris 2.x, WebLogic 7.1 & 8.1, JBoss Application Server, iPlanet, IIS, Windows, Shell Scripting, Oracle 9i.

Since Jan'01 - Oct '04
Confidential,
Client: Confidential,Singapore
Role: IT Specialist

Responsibilities:

• Configured Web Server interfaces, session management, virtual hosts and transports for WebLogic Application Servers.
• Design and implement systems and network solutions and provide 7x24x365, hands-on operational support for high-profile web sites hosted largely on Solaris and Linux
• Environment consisting of over 600 heterogeneous servers, responsible for enterprise system management using IBM Tivoli Monitoring, BMC Patrol, SunMC & Topaz Monitoring Applications.
• Coordinate and Participate in various network activities, Supporting existing infrastructure, on-call , Service level agreements, and support documentation and process development as required.
• 3-tier HUB-Spoke Tivoli Framework version 3.6.x to 4.1.x. Installed /upgraded to next versions on Managed Nodes, Tivoli Endpoint Gateways on server and desktop endpoints.
• Support and Maintenance of Veritas Foundations Suite, Veritas Cluster Server, Veritas Volume Manager, Sun Cluster and Solstice Disk Suite.
• Implementing and Administrating TEC, ITM 5.1.2 for Databases, Websphere, Apache..etc
• Work with business partners on specific needs related to Application and Web Traffic and its supporting infrastructure.

Environment: SUN Solaris, Aix, Linux, WebLogic 6.1/7.1, iPlanet, Apache, Netscape Server, Windows (95, 98, Me, NT, 2000, XP), Tivoli, BMC Patrol.

Since Jan'99 - Dec'00
Confidential,Singapore
Role: Systems Engineer
Responsibilities:

• Deployment of IBM's Messaging System between different Platforms & Monitoring Agent.
• Responsibilities include installation/configuration of hardware and software, migrating systems to current OS releases upgrading software and tools.
• Installation, Configuring and troubleshooting the WebLogic 6.1, 7.1 & 8.1 Servers.
• Deployed Enterprise Java Beans and J2EE Applications on to the clusters and Application servers and supported accordingly.
• Planning, Designing and Support of TSM Architecture as a Centralized One Backup for an Organization
• Installation & Administration of the Messaging System (MQSeries) in Windows & Solaris Environment
• Installation & Administration of Candle Command Centre for Monitoring MQ Objects in Solaris & Windows Environment.
• Maintaining 3 different environments Production, UAT & SIT and configuring, securing the domains & Trusting between domains.

Since July'97 - Dec'98
Confidential,, New Delhi, INDIA
Client: American Express Bank
Role: Software Support Executive.

Responsibilities:

• Handling Datacenter Activities and Central Support to all other branches in India.
• Day to Day Administration on Sun Solaris & Windows NT which includes Installations, Upgrades & loading patches.
• Planning and Scheduling of Data Backup & Crash Recovery, Data & Systems Resource management
• Responsible for system administration tasks such as problem diagnosis, performance tuning, Patch management, system security, procedure and disaster recover and documentation.
• Managing security with system policy aspects & Assigning user rights with different groups, developed logon scripts and home directories.
• Coordinating with global customers to troubleshoot network & software support related problem.