SUMMARY

• Zeal to work in challenging assignments in the domain of Unix/Middleware with leading technology in the IT Sector, where by innovative, creative skills and hard work to pay for success in an organization. I believe in the importance of honesty, intelligence, determination, managerial skills and qualification is the best use with having 10+ years of technical experience.
• 10+ years of extensive experience in the IT industry with 7+ years of Websphere, JBOSS, Tomcat Administration, Monitoring, Troubleshooting and Maintenance on Websphere application Servers.
• Experience in installing, troubleshooting and maintaining heterogeneous Unix environments (Linux, Aix, Solaris, Windows 2k)
• Experience with UNIX flavors. Proficient in core systems administration functions such as (NFS, NIS, FTP, DNS, APACHE)
• Expertise in WebSphere installation, configuration, administration and maintenance of IBM WebSphere 6.0/6.1/7.0/8.5 application server, IBM HTTP Servers.
• Solid analytical and troubleshooting skills.(Web and Application Servers, WPS6.2, BPM7.5)
• Expertise in load management, failover and high availability architectures.
• Hands on Experience on Web servers like IBM HTTP Server, Apache, and Tomcat.
• Sound knowledge of Java Naming and Directory Services (JNDI).
• Strong knowledge in JDBC connections and JMS connection factories, queues and topics.
• Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.
• Extensive experience in production environments, involved performance tuning, tweaking the JVM parameter, Threads, size of the connection pools.
• Deploying J2EE Application archives (JAR, WAR, EAR and RAR) and Web - Based/E-Commerce on Websphere Application Server.
• Worked with Protocols TCP/IP, HTTP/HTTPS, SMTP, SNMP, SOAP and FTP
• Expertise in Web Analytics (Web-trends).
• Installed and configured SSL certificates on Web and Application Servers.
• Excellent working skills in optimization and analyzing of Enterprise Applications using tools like CA Wily Introscope, Splunk, Tivoli Performance, Thread Analyzer and Garbage Collector Tool, Memory Dump Diagnostic Tool.
• Done Data Center Disaster Recovery Setup for Websphere server Environment.
• Ability to provide high-level technical assistance to application development teams.
• Involved in Installation and Configuration of Site Minder Web Agent on Web Server instances.
• Configured and integrated SSO (Single Sign On) for single and multiple cookie domains.
• Experience in defining, administering and maintaining Queue managers, Queues, Channels, and other MQ Objects.
• Integrated SSO with Apache and Tomcat Servers.
• Integrated real time applications with Hadoop/Big data environment.
• Install, configure & maintain WebSphere Application Server 8.5, JBOSS and Tomcat on Linux Servers in big data environment.
• Configure logs in Splunk monitoring server to monitor application pro actively.
• Responsible for implementation and ongoing administration of Hadoop infrastructure.
• Cluster maintenance as well as creation and removal of nodes using tools like Ganglia, Nagios and other tools
• experience in Hadoop Administration
• Performance tuning of Hadoop clusters and Hadoop Map Reduce routines.
• Monitor Hadoop cluster connectivity and security.
• Manage and review Hadoop log files.
• User management and quota setup
• Good understanding of shell scripting, design, and automation skills.
• Handling high priority issues and provides synopsis/root causes.
• Competency in Root Cause Analysis and Cause Mapping.
• Ability to follow, improve upon and create standard operating procedure (SOP) required for effective systems administration.
• Knowledge of compliance, auditing and reporting process.
• Competency in ITIL processes: Incident, Problem, Knowledge and Change Management by using HPSM tool and Infrastructure domino request, HP Service Desk Tool.
• Contribute to customer internal Knowledge Management System.
• Excellent written and oral communication skills and relationship building skills.

TECHNICAL SKILLS:

Application Servers: WebSphere Administration 6.0, 6.1, 7.0 and 8.5, WPS 6.2, BPM 7.5, JBOSS, TOMCAT

Web Servers: IBM HTTP Server 7.0/6.0, IIS 6.0, Apache Web Server, Tomcat.

Operating Systems: Sun Solaris 9, IBM AIX (5.1/5.2), Linux, HP-UNIX, Windows 7

Tools/Utilities: Site Minder, F5, Wiley Introscope, Splunk, Admin UI.

Databases: DB2, MYSQL, Oracle, User Defined DB, Teradata

Languages: C, C++

Scripting Languages: WSADMIN, Shell Script

Job Scheduler: TWS

Datapower: Webservices, XML

SiteMinder: SSO, Web agent, Policy Servers

Web Analytics: Web trends 9.2b

Unix Core Services: NFS, NIS, APACHE, DNS, FTP, SAMBA

Indexing and Searching: Solr Cloud Adminstration

PROFESSIONAL EXPERIENCE:

Confidential

Application Architect

Responsibilities:

• To use Hadoop/Bigdata environment adequately, install, configure & maintain WebSphere Application Server 8.5, JBOSS and Tomcat on Linux Servers in Big data environment.
• Configure logs in Splunk monitoring server to monitor application pro actively.
• Deploy Application, Troubleshooting.
• Firewall Troubleshooting to resolve Application Issues.
• Responsible for implementation and ongoing administration of Hadoop infrastructure.
• Apply Fix packs; patch and Cumulative fix packs for WebSphere Application Server and IBM Http Server (IHS) using Update Installer.
• Upgrade WebSphere Application server from 7.0 to 8.5.
• Configure Application Servers, Virtual Hosts, Web Applications, Web resources; Servelets, JDBC drivers and Servlets Engines-as well as deployment of EJBs across multiple instances of WebSphere.
• Configure monitoring, tuning and enabling traces using Tivoli Performance Viewer, CA Wily Introscope and Splunk, during Load Runner load tests.
• Sound knowledge in J2EE technologies, JNDI, JMS, JDBC, Servlets, JSP and EJB.
• Worked closely with IBM on problem determination, and resolution - PMRs.
• Tune JVM’s with right heap sizes and troubleshooting high memory issues for JVM’s by enabling verbose GC and provide resolution to application team
• Resolve incident, problems, Implement changes.
• Cluster maintenance as well as creation and removal of nodes using tools like Ganglia, Nagios, Job Tracker and other tools
• Performance tuning of Hadoop clusters and Hadoop Map Reduce routines.
• Monitor Hadoop cluster connectivity and security.
• Manage and review Hadoop log files.
• User management and quota setup
• File system management and monitoring.
• HDFS support and maintenance.
• Diligently teaming with the infrastructure, network, database, application and business intelligence teams to guarantee high data quality and availability.
• Collaborating with application teams to install operating system and Hadoop updates, patches, version upgrades when required.

Confidential

Lead Consultant

Responsibilities:

• Leading onshore Middleware Support Team.
• Responsible for WebSphere Administration, MQ/Broker Administration, Web Administration, Data power Administration.
• Setup, install, configure & maintain WebSphere Application Server 6.0/6.1/7.0 on Aix, and Windows Platforms.
• Involved all major application deployments. Deployed applications on multiple WebSphere Servers and maintained load balancing and fail over functionality.
• Configured LDAP using WebSphere Server for user authentication.
• Creation of SSL and Digital Certificates for requesting, generating & implementation for the communication between webservers and the application servers.
• Add certificates on Data power Servers.
• Resolved production issues on timely manner by taking required logs and by coordinating with different infrastructure team.
• Automated daily / weekly JVM recycle process and application deployments.
• Experience in monitoring tool like Wily, Topaz, ITCAM
• Migrated application from 6.X to 7.0 on Aix platforms
• Involved in all audit and risk activities.
• Responsible for establishing work plans, communicating with other groups for validating the Disaster recovery (DR) exercises.
• Involved in 24*7 on-call rotation.
• Major contribution to identify root cause for ongoing production issues.
• Involved in all service management activities.

Confidential

Technical Consultant 1

Responsibilities:

• Played key role in deciding high available and scalable middleware environment.
• Installed, Configured and administered WebSphere application server 7.0.0.29/ 6.1.0.21, JOBSS, Tomcat and WebSphere Portal 7.0/6.1 on AIX, Linux and on Solaris.
• Experience in Installing and Configuration of Web servers like IBM Http server.
• Extensive experience in configuring the HTTP Server for various clustered application servers. Installed and Configured Apache Http Server Plug-In in order for the request to be proxy.
• Expert in configuring application requests and deploying web applications on WebSphere application server.
• Responsible for applying refresh packs, fix packs and Interim packs to WebSphere Application server and IBM HTTP web server.
• Responsible for maintenance and support of internet and intranet applications running on AIX and Linux servers in Dev, Test, QA and prod environments. Installed and applied fix packs, refresh packs and i-fixes for the WebSphere application server in all environments.
• Extensively involved in troubleshooting the issues and document the problem resolutions for future references. Created PMRs and worked with IBM personnel for the peculiar issues that were found in the environment. Attended Change management meetings for approval for the applications which are supposed to go live and provided the MOM of CM meetings to the team.
• Extensively involved in writing scripts for automating the administering applications, managing deployed applications, creating clusters, configuring security, configuring data access, configuring intermediately services using Jython, Jacl and shell scripts.
• Involved in Installation and Configuration of Site Minder Web Agent on Web Server instances.
• Configured and integrated SSO (Single Sign On) for single and multiple cookie domains.
• Configuring Global Rules, Responses and Policies
• Configuring Site Minder Policy Server Agent groups, User Directories, Password policies, Domains, Realms, Rules, Rule Groups, Responses and Policies.
• Responsible for deploying enterprise applications from Admin console and enabling security using LDAP and LTPA from admin console and application components on both distributed platforms.
• JBOSS, Tomcat installation, configuration, maintenance and troubleshooting.
• Involved in Load and Integration testing of J2EE applications on WebSphere Application Server for distributed platforms.
• Configured the web-server interfaces (plug-in file), session management, virtual hosts, data sources, HTTP transports for Application Server instances and applications.
• Problem determination using local error logs and by running user traces and service traces.
• Assembled and Deployed the application in staging, in productions, following change management practices and 24/7 support
• Running Web Reports for URL Analysis (Webtrends) on daily/weekly basis.
• Providing high-level technical assistance to all application teams.
• Proficient in Data Power Administration
• Documented architectures and installations of all the IBM WebSphere family products

Environment: IBM WebSphere Application Server /6.0/6.1/7.0, IBM WebSphere Process Server 6.0, IBM DB2, AIX, UNIX, Linux, Http web server 6.0/7.0, Sybase, Webtrends, Data power, JBOSS, Tomcat.

Confidential

Sr. Technical Associate

Responsibilities:

• As a WebSphere application server admin for CRM development team responsibilities included: -
• Business requirements analysis and designing of Technical specification.
• Application Installation, configuration and maintenance of Hp-Ux Servers.
• Infra-structure development & maintenance of Web-sphere applications as per LSBA project requirements.
• Creating Cells/Nodes/Application Servers, Federating nodes as well as creating/configuring application server clusters.
• Understanding webserver plug-in configurations.
• Investigations interconnectivity with other application OMS, AMSS, ACS.
• Resolving issues escalated by the operational team.
• Configuration as part of application team requests (heap size, connection pool, jdbc, JVM arguments, timer, act spec, listener, threads, WebSphere PMI, tracing, session management, security, policy bindings, dumps, cluster, wily configurations)
• Security, performance management by Tivoli tool or by Introscope tool.
• Document preparation as per project requirement
• Handling regular maintenance activity like server reboot, emergency fixes and troubleshooting/investigation of defect raised by testing team. Preparation of Automated scripts as part of Application Integration using shell scripts.
• Creating ok KM articles.

Environment: WebSphere Application Server 5.0/6.0/6.1, IBM HTTP Server V2.0/6.0.2.4, Apache Web Server V2.0.4

Confidential

System Operations Senior Specialist

Responsibilities:

• SLA based monitoring close to 1000 e-business servers in UK.
• Supporting Solaris, Linux, AIX, HP, Windows 2000, based Business Servers.
• Proficiency for deploying, administering, and troubleshooting core services such as NFS, NIS, DNS, Apache, and Samba.
• Scheduling TWS Job schedule daily basis for billing And invoicing
• Performing housekeeping for critical file systems.
• Web-sphere Installation and configuration
• Bann ERP Package Administration
• Baan ERP Custom Administration, Package VRC, Compiling Component
• Working With ECR/DT tickets created by users, developers and supporting teams
• Basic Scripts for server performance.
• Baan user administration, device administration, jobs administration
• Problem and Change management.
• Follow up on scheduled changes for servers and update and escalations.
• Co-ordination with Onsite team during change implementations.
• Using Secure-CRT, Citrix, and Carbon copy for administration of remote servers.
• 3.5 Months onsite experience as a System Administrator for Portal Application with Vodafone, New Zealand. Where I did Vodafone Project Transition from Vodafone New Zealand to IBM India.

Environment: Red hat Linux EL 3.0, Solaris 9, Aix 5.0, HPUX, Window 2k, Baan ERP, WebSphere 5.0