Websphere Administrator Resume Profile
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Objective:
A highly adaptable WebSphere Administrator with total of five plus years of experience in IBM WebSphere Application Server on Unix Platforms like Red Hat Enterprise Linux and Susie Linux as well as the Windows environment with the strong support skills for web and application development.
Summary:
- Experienced WebSphere Administrator with technical support to assist and provide clients with the best possible uptime, reliability, and accurate communication to resolve issues.
- Experienced in the maintenance of the IBM WebSphere Application Server on Redhat Linux, Susie Linux and setting up the Dev, Staging, and Production environments.
- Experienced in the installation, support, configuration and maintenance of WebSphere Application Servers 6.x/6.1/7.x/8.x
- Experienced in Installation and Configuration of IBM HTTP Server 6.x/6.1/7.x/8.x.
- Expertise in Installation, Configuration, Performance Tuning and Administration of WebSphere Application Server.
- Generated plug-ins for IBM HTTP Server and iPlanet.
- Experience in trouble shooting, Websphere log file managements and implementing the workload Management WLM using cloning and clustering.
- Supported WebSphere Application Server 6.0/6.1/7.x/8.x clustering, load balance and failover.
- Experience in deploying J2EE components on IBM WebSphere application server 6.0/6.1/7.x/8.x.
- Worked with IBM PMR ticketing system and IBM support personal to resolve the product related issues.
- Experience in applying fixpacks and plug-ins for WebSphere Application Server 6.x/6.1/7.x/8.x
- Set up secure environment with SSL, Self-Signed and CA issued certs and keysores
- Ability to effectively prioritize and handle multiple tasks and projects, utilizing extensive IT process knowledge and full SDLC experience
- Experienced in installation, configuration, tuning, security and upgrades of WAS on Linux RedHat SuSE .
- Experience in configuration, tuning and maintenance of WebSphere 6.x/6.1/7.x/8.x with JDBC, JNDI and J2EE Services.
- Extensive experience in implementation of Workload Management WLM using cloning and clustering techniques including Horizontal and Vertical Scaling for failover.
- Experience in configuration and troubleshooting issues related to Clusters in WebSphere 6.1/6.x/7.x/8.x environment.
- Extensive knowledge and experience in upgrading JVM's, applying patches and recommending necessary security fixes.
- Excellent organizational and analytical abilities teamed with effective oral and communication skills.
Technical Skills:
- Hardware : HP Proliant DL380p-G5, DL 585 G6/G7/G8, HP C-7000, BL 460 G5/6/7 Dell Power Edge Servers R-900.
- Server OS : Red Hat Enterprise Linux 4/5/ Susie Linux,
- Network Servers : DNS, DHCP, NIS, NFS
- Web App Servers : Apache, Tomcat, Iplanet, WebSphere IIS
- Authentication : LDAP
Professional Experience:
WebSphere Support Engineer
- Responsible for building the WAS 8 environment by setting up the Dev, Staging, and Production environments by Installing IBM WebSphere Application Server on Redhat Linux Operating Server
- Led a project to migrate all the applications currently deployed in WAS 6.0/6.1 to WAS 8.x.
- Responsible for creating and configuring profiles, Nodes, Data Sources, Virtual Hosts, including planning installation and configuration of WebSphere Application Server 6.x/8.x.
- Installed, configured, and maintained IBM Http Server, WebSphere Application Server Network Deployment ND , /6.0/6.1//8.0.
- Created profiles using Profile Creating Wizard and silent profile creation.
- Migrated existing applications from WebSphere V6.x to V8.x.
- Installed the Refresh Packs and cumulative fixes to WebSphere ND V6.x environment, for WebSphere, plugins and IHS.
- Created JDBC providers and configured data source connection
- Performed deployment of applications using the admin console.
- Created the Clustering Topology in WebSphere Application Server ND V6.x/8.x to achieve Work Load Management WLM , High availability, Load Balancing and Hardware Fail-over.
- Working knowledge of Linux based operating systems like Linux and Susie Linux but have knowledge about AIX and Solaris systems as well.
- Configured Web server plug-in to directing dynamic requests to application servers for load balance in clustered environment.
- Troubleshot hardware and software problems, and interacted with IT staff or vendors in performing testing, support and troubleshooting functions.
- Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console.
- Configured WebSphere resources like JVM heap settings, JDBC providers, JDBC data sources, connection pooling, Virtual Hosts, Global Security and SSL.
- Coordinating with various teams to set up databases, set up load balancer CSS load balancers rules, and defines rules on the firewall when IBM Http Server is in the De Militarized Zone DMZ .
- Performed installation, configuration, deployment, and management of Enterprise Applications in a clustered and non-clustered environment using IBM WebSphere Application Server 6.x/6.1/7.x./8.x
- Worked with the Infrastructure team in configuring the BIG-IP LTM F5 Load Balancer with IBM HTTP Server and the WebSphere plugin to route requests more efficiently.
- Experienced in Performance tuning such as tuning the web server by specifying the parameters for the MaxClients, StartServers, and MaxSpareServers, tuning the database connection pool settings, tuning the Java Virtual Machine JVM by specifying the minimum and maximum heap size.
- Used Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, and Connection Pool sizes.
- Troubleshooting Admin Server start-up issues, Memory leaks, Java code defects after deployment, and class path issues.
- Worked on various administrative activities like deploying apps, configuring resources, tuning various objects, troubleshooting various issues on the environment and also bringing down the whole environment applying patches and bringing everything back up.
- Expertise in installing third party software such as Cygwin and xwindows
- Provided 24x7 production supports for the mission critical applications and resolved customer issue on daily basis when website is not up and running
- Coordinated with developers and other team members and trained others in applications and WAS fundamentals and wrote basic documentation to record day to day activities.
Confidential
WebSphere Administrator
- Responsible for installation/configuration of hardware and software, migrating systems to current OS releases, upgrading software and tools.
- Involved in installing Websphere Application Server 6.1 and 7.x on Red Hat Enterprise Linux RHEL and Suse Linux.
- Involved in IBM WebSphere Edge Components Load Balancer to distribute load among multiple Web servers
- Involved in configuring WAS with Security Appliances such as LDAP.
- Worked with Apache Tomcat, iPlanet, and HTTP Web Server.
- Configured JDBC connections and data sources with backend databases like Oracle.
- Monitored error logs, resolved problems and tuned parameters in WebSphere environment.
- Involved with troubleshooting and fixing of problems on WebSphere Application Server.
- Involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.
- Handled the installation, support, configuration and maintenance of WebSphere servers 6.1/7.x
- Proficient in architecture, installation, setup and configuration of IBM WebSphere Application Server 6.1/7.x
- Handled the performance tuning of WebSphere Application Server 6.1/7.x
- Implemented and configured SSL, requested digital certificates, created self signed certificates and imported/exported public/private keys.
- Deployed different war files, ear files on WebSphere 6.1/7.x
- Worked on troubleshooting various issues based on ticketing system Remedy ticketing tool and closed all the issues with the SLA
- Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system caching, queuing, JVM parameters, DB Connection Pooling.
Confidential
WebSphere Administrator
- Installed and configured IBM WebSphere Application Server 6.x/6.1, JDBC drivers and Servlets engines on Linux and Windows, also created user roles and groups for securing the resources using local operating system authentication.
- Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management including horizontal scaling and vertical scaling.
- Handled the maintenance of the WebSphere Application Servers on different UNIX platforms and setting up the Dev and Staging environment for the ongoing application development
- Achieved Work Load Management by creating Clusters in WAS 6.x/6.1
- Followed Support Procedures, received live calls from customers and performed initial PD/PSI by searching databases for rediscovery or similar problems and/or analyzing system problems.
- Assisted customers with setting proper Priority/Severity of problems, work problems to resolution, recorded/documented actions in databases as well as utilized tools and resources.
- Provided recommendations on environment standards, product leveling, performance tuning, new project consulting, recommend broadened usage of WebSphere functionality.
Confidential
Linux Administrator
- Assisted in maintaining multiple networks and providing datacenter troubleshooting.
- Installed and updated packages using YUM.
- Configured Firewall Security on Firewall Servers.
- Assisted in troubleshooting and tuning of hardware parameters to assist with customer's needs.
- Provided disk configuration using format and fdisk.
- Installed various distributions of Linux using Kick start and PXE.
- Configured and maintained Apache and MySQL clusters.
- Quickly understood complex networking ideas.
- Installed client servers for internal office operations.
- Provided helpdesk support as required.
- Gained knowledge of how to quickly diagnose problems with hardware.
- Installed necessary software and applications for office.