Sr. Devops Engg Resume
Pittsburh, PA
PROFESSIONAL SUMMARY:
- 9+ years of IT experience in Support of Web Infrastructure IBM WebSphere Application Server 8.5.5/7.x/6.x, IBM WebSphere MQ Server 6.x/7.x/8.x, IBM WebSphere Commerce Server 6.0/7.0/8.0, HTTP Server, Commerce Task, Controller commands Apache, Liferayportal 6.1, IIS, Build forge 7.0/7.1, IBM Sterling Order Management and Fulfillment 9.2/9.4 commerce application and ON - Demand Router Concepts and Administrating support on Multiple platforms Sun One Web Server on Sun Solaris, AIX5L, Z/OS, Linux (Red Hat) and Windows environments.
- Deploying multiple applications engine instances and enabling application engine to use image service resource adapter also configure SSL for image services resource adapter.
- Installed, Deployment, Maintains, Troubleshooting, Tuning Oracle Weblogic 10g/11g/12c application in Dev/QA/Prod environments.
- Strong hands-on experience in migration project involved Weblogic 10.3 to 12c (12.2.1).
- Expert knowledge of JBOSS EAP, deploying new applications, troubleshooting and performance tuning of JVM used by JBOSS AS 6x/7x.
- Expert knowledge working on creating docker images and pushing it to pivotal cloud foundry through GIT artifact.
- Maintaining PCF images and scaling them according to business requirement.
- Strong knowledge on deploy a multi-node Kubernetes cluster on centos7
- Configuring splunk /AppDynamics /grafana /Nagios for monitoring web service calls closely.
- Experience on Configuration and Deployment tool like Chef/Ansible etc.
- Good knowledge on installing and configuring Ansible/Chef on distributed platforms.
- Working on inventory file for different set of groups and patterns in Ansible
- Good Understanding and knowledge w.r.t YAML file to run and execute form Ansible server on to their respecting nodes.
- Working on creating docker images and containers using YAML files and also good knowledge on different cloud related module structure to specify and implement it in cloud computing.
- Expert knowledge of JBOSS EAP, deploying new applications, troubleshooting and performance tuning of JVM used by JBOSS AS 6x/7x.
- Strong Knowledge on migrating WebSphere application servers to JBOSS EAP
- Strong Knowledge on automation of deploy and build scripts(MAVERN) for JBOSS EAP
- Strong Knowledge on standalone and Domain mode for clustering in JBOSS EAP
- Involved in Build, deploy and testing for DEVOPS model.
- Strong Knowledge and experience on running docker containers and creating images with apache karaf.
- Installation of Apache Tomcat and configuration of internal applications.
- Configuration of SSL communication in Apache Tomcat webserver .
- Strong knowledge on IBM WebSphere Extreme scaling 8.6 w.r.t datagrids and also shrading primary transaction table to avoid outages during failovers from one datacenter to other.
- Strong knowledge on maintaining replica shards with in the primary shredding for high availability during failovers
- Configuring applications exchanging messages on the same message bus in a WebSphere MQ cluster environment
- Creating sender application / receiver application and configuring MQ on application server
- Configuring and setting up MQ cluster and queues.
- Strong experience on replace the dynamic (side) cache’s in-process-memory and disk system with a distributed dynamic in-memory grid
- Working experience on dynacache replication setup within the cluster in WebSphere application for cache base objects throughout the JVM’s
- Installation and configuration datagrid in WebSphere Liberty profiles 8.5 profiles on multiple cluster environment and also mapping object grids
- Configuring extended http session management with IBM WebSphere Extreme Scale and configuring catalog servers and adding them to catalog service domain.
- Maintained, supported, and upgraded existing systems and applications.
- Demonstrated success in building DevOps best practices.
- Strong hands-on experience with DevOps automation tools.
- Strong hands-on experience with DevOps monitoring tools
- Monitoring tool experience like Splunk, Appdynamics,nagios,grafana,gems,
- Understanding of AWS (EC2, EC2 Container Service, S3, Elastic File System, Elastic Beanstalk, Lambda, RDS)
- Understanding of Cloud and virtualization based technologies like Docker, Amazon Web Services (AWS), VMWare, OpenStack
- Experience on CI Tool Jenkins, Bamboo etc.
- Experience on build scripting like using Shell, wsadmin, YAML and Ruby.
- Expert knowledge working on creating docker images and pushing it to pivotal cloud foundry through GIT artifact.
- Maintaining PCF images and scaling them according to business requirement.
- Configuring splunk/AppDynamics/grafana/Nagios for monitoring PCF container closely.
- Configured Web Sphere Commerce build and deployment scripts and integrated through build forge.
- Designed and developed e-commerce systems, Performed system requirements analysis, definition, allocation, and documentation.
- Expert Knowledge of DEV-OPS tools like Jenkins/Bamboo deployment tool for Continuous delivery, from code to deployment.
- Good Experience in migrating critical care applications over 200 from WebSphere Application server ND 6.x to8.x v simultaneously.
- Installation and configuration tomcat application from 6.x to 8.x
- Expert experience in migrating Tomcat applications from 6.x to 7.x
- Expert experience in migrating Tomcat applications from 7.x to 8.5
- Maintained, supported, and upgraded existing systems and applications.
- Build and release management for commerce and sterling clients, creating agents and starting stop script developed.
- WebSphere Commerce Installation and Cluster setup, wcserver.xml updates, creating and new cluster members.
- Sterling product installation and WebSphere Commerce installation and support.
- Created CDT and MC for Sterling9.1/9.2/9.4 from dev through production designed deployment procedure for commerce infrastructures.
- Implementing catalog, marketing, payment subsystems, creating stores customizing commerce.
- Configuring stage propagation scripts, fixing stage propagation issues in data load, catalog, catalog pricing, stageprop.sh.
- Fixing inventory jobs, inventory jobs issues fixing for data loads, configuring cron jobs for BODL scripts.
- Good knowledge on troubleshooting critical care applications during migration process.
- Expertise in using wsadmin, JACL and Jython scripting.
- Installed, Deployment, Maintance, Troubleshooting, Tuning JBOSS 4.0.2 in Dev/QA/Prod environments.
- Deployed the applications on multiple JBOSS/WebSphere instances and maintained Load balancing, high availability and Fail over functionality.
- Worked closely with the development team to determine how the application will utilize the application resources/services (JDBC pools, JMS, Security). Responsible for understanding application environment and changes in order to tune Java memory parameters in support of application stability.
- Experienced in DNS, LDAP, FTP, Remote Access, Security Management and System Troubleshooting skills.
- Experienced in configuration of cells, nodes, clustering application servers, virtual hosts, session management, configuring web server plug-ins, IBM HTTP Server, Apache.
- Excellent Troubleshooting and analytical skills.
- Good understanding over SOA (Service Oriented Architecture), SOAP WSDL, WS Security and UDDI.
- Expertise experience in configuring SSL/MSSL in 3-levels implementation between Application Server and Web Server, Web server and browser, Application Server and LDAP Server.
- Configured SSL using Self-Signed certificates and CA certificates between Application Server and Web Server, Web server and browser, Application Server and LDAP Server.
- Involved in securing the J2EE applications by implementing Single Sign On by using LTPA.
- Experience in configuring Workload Management (WLM) of WebSphere Application Server, and also in performance tuning using Tivoli Performance Viewer.
- Secured the communication channel between Client and WebServers, WebServers Plug-in and Web Container and configured the Dynamic Cache services on the web container.
- Solid experience in implementing Workload Management (WLM) and failover using Vertical/horizontal clustering to achieve High Availability.
- In-depth knowledge in creating automated Administrative tasks using JCAL/Jython, Shell scripts.
- Installing and Configured JBOSS servers in development stage
- Configured Work load Management (WLM) using plug in file and also Hardware Load balancers for application running on JBOSS/WebSphere Application Server and also in Performance Tuning using Resource Analyzer and Tivoli Performance Viewer, securing.
- Provided WebSphere Application Server Administration, Configured Global Security and Administrative Security and installed ITDS, Configured users and mapped the administrative roles to the user groups.
- Experience in the implementation of session management.
- Performed daily backups, restoration of data as per requests from developers.
- Experience in working with logs, traces and messages using tools such as Log Analyzer, Resource Analyzer and Admin Console.
- Created user roles and groups for securing the resources using LDAP User Registries .
- Excellent Communication and Interpersonal skills, ability to lead bridge calls during production issues.
- Proficient in using Log Analyzer and IBM Edge components
- Knowledge of Java, J2EE concepts, EJB, Servlets, RMI, JSP’s.
- Keep updated with latest technologies in the IT industry.
- Provided support in a demanding 24/7 Production Environment.
TECHNICAL SKILLS:
- Web Sphere Application Server 8.x/ 7.x, Web Sphere Application Server(6.0.2.x/6.1.x), On-Demand Router, WebSphere Commerce Server 7.1,WebSphere MQ Server 6.x/7.x/8.x, WebLogic 10g, JBOSS 4.x/5.x/6.x/7.x,Apache Tomcat 6.x/7.x/8.x, IBM Sterling Order Management and Fulfillment 9.2/9.4, WebSphere Liberty profiles 8.6,IBM WebSphere Extreme Scale 8.6
- Docker, Pivotal Cloud Foundry, Kubernete.
- IBM HTTP server V6.0/6.1, Apache 2.0x/2.2x, IIS 6.0.
- Windows 2000/2003/XP/NT, z/VM, z/Linux, Solaris 10AIX 5.x/6.x, Red Hat Linux 3/4.
- Splunk, AppDynamics, Nagios, Cigna, Grafana, Gems, Tivoli Performance Viewer, Thread Analyzer, Log Analyzer, Wily Introscope, Tivoli Federated Identity Manager,, Tivoli Performance viewer, IBM Support Assistant,.
- Tivoli Access Manager, LDAP, Siteminder
- WCBD, Jenkins, Bamboo, Puppet, Chef
- XML, XSL, Applets, AWT, J2EE 1.2/1.3, JDBC, Servlets, JSPRMI, EJB, AJAX, JNDI, JMS, SOAP.
- Oracle10g/11g, DB2 UDB 7.x/6.x, SQL Server 2000/7.0/6.5
- TCP/IP, HTTP, SSL, SOAP, FTP, WINSOCK, SMTP, POP, DHCPPOP3, DNS, UDP, NFS, DHCP, LDAP, RMI/IIOP, SOAP, WSDL.
- HTML, JavaScript, JSP, XML, XSL and DTD.
- Shell/Jython/JACL/WSADMIN script.
- PowerPoint, Word, Excel, Access, MS Project, MS Visio, SQL Developer.
PROFESSIONAL EXPERIENCE:
Confidential, PITTSBURH, PA
SR. DevOps Engg
Responsibilities:
- Administered and configuration web application stacks: some load balancer (in our case F5 BigIP), some webserver (in our case, mainly Apache), and some backend with one of (WebSphere Application Server/WebSphere Commerce Server/ WebLogic/ Jboss /Tomcat environment)
- Hands-on experience with open source technology like Mongo dB, Kafka, zookeeper, hybris, eureka, Akamai, NodeJS applications in production.
- Configuring and installation open source technology from dev to production.
- Upgrading open source technology to match latest versions.
- Troubleshooting break/fix issues, especially in a Production environment
- Application troubleshooting - diagnosing the problem and fixing it, parsing logs, understanding what is relevant and what is not
- Evolving in Project deployment - taking in requests and requirements and completing tasks on a schedule
- Installation and Configuration experience on CQ5 technology involved in production support and closely working on build on author/preview and publish changes to production.
- Clearing Dispatcher Cache and also updating new static content to Akamai (Edge Servers).
- Managing, deploying, installing SSL certificates and an SSL certificate portfolio from any Certificate Authority (Symantec, GeoTrust, Comodo, etc.)
- Administrating and configuration DEV-OPS technology, Cloud Computing, Docker, AWS, Pivotal Cloud Foundry
- Maintaining and configuring orchestration tools like Kubernete for Docker images.
- Maintaining source control tools like Git, Stash.
- Configuring CI/CD projects
- Creating Docker images and pushing them to AWS and PCF.
- Responsible for maintenance, of configuration, tuning, deployment, troubleshooting,
- Working and Administration on automation tools in Jenkins and working experience in Ansible and Chef.
- Good knowledge on installing and configuring Ansible on distributed platforms.
- Working on inventory file to differentiate different set of groups and patterns in Ansible
- Good Understanding and knowledge w.r.t YAML file to run and execute form Ansible server on to their respecting nodes.
- Working on creating Docker images and containers using YAML files and also good knowledge on different cloud related module structure to specify and implement it in cloud computing.
- Performing installation/configuration and deploying code through YAML file and creating Docker images for Apache Server / WebSphere Application Server / Jboss / tomcat / NodeJS / MongoDB / Kafka AMQ / Zookeeper.
- Creating YAML files for lower environment to perform continuous integration for deployment.
- Good Knowledge on maintaining source code in Stash.
- Creating pipelines in Jenkins for build and deployment / DevOps automation jobs.
- Launched Amazon EC2 Cloud Instances using Amazon Web services and configured the launched instances with respect to specific applications like NodeJS
- Setting up build pipelines in Jenkins by using various plugins like GIT Plugin, EC2 plugin and etc.
- Worked on creation of custom Docker images container images, tagging and pushing the images.
- Used Docker containers and Docker consoles for managing the application life cycle.
- Strong knowledge on configuring Kubernete hosts like adding package repository, installing required packages, setting up host resolutions and configuring common Kubernete Configurations and Flannel Services.
- Create AMIs for mission critical production servers for backup.
- Good knowledge on installing and configuring Ansible on distributed platforms.
- Working on inventory file to differentiate different set of groups and patterns in Ansible
- Good Understanding and knowledge w.r.t YAML file to run and execute form Ansible server on to their respecting nodes.
- Cache refresh in Akamai in all environments.
- Installation and configure mongo DB and creating replication set.
- Creating YAML files for lower environment to perform continuous integration for deployment.
- Good Knowledge on maintaining source code in Stash
- Strong knowledge on configuring Kubernetes in a large cluster environment and running in multiple zones.
- Building HA (High Availability) Clusters and installing Add-ons.
- Automated build/ deploying Ear, War, Jar files.
- 24/7 On-call Level 2 Production support.
Environment: Web Sphere Application Server 6.1/8.0/8.5,, WebSphere Commerce Server 7.0/8.0, WebLogic AS 10g/11g, JBOSS EAP 6.1/6.3,TomCat 6.x/7.x/8.x, Docker, AWS, PCF, Kubernetes, Jenkins, GIT, Stash, Mongo DB, Comado, Eureka, Akamai, AppDynamics, Grafana, Nagios, Cigna, Wily Introscope 8.0, and Commerce Application, SQL Developer Tool for DB administration. Linux5.0/6.1, Solaris, A10/F-5 Load Balancer, IHS setup, Jython, SOAP, Web Services, Java, JMS, JDBC
Confidential, Atlanta, GA
SR. DevOps Engg
Responsibilities:
- Installed and configured 8.5.5.8/7.0/6.1 version of WebSphere Application Server, WebSphere Commerce Server 7.1/8.x, IBM Sterling and Order Management 9.2 / 9.4, IHS and WebLogic 10g/11g in development, staging and production environments. Supported WebSphere on the following OSs: Red Hat Linux, AIX, HP-UX, Sun Solaris and Windows.
- Install/upgrade, configure and support WebSphere Application Server 8.0x/7.0x/6.1x,WebSphere Commerce Server 7.1, IBM Sterling and Order Management 9.2 /9.4, WebLogic AS 10g/11g.
- Sterling SMCFS migration from 9.1/9.2 and upgrade, master configuration application upgrades.
- Automated and the build and deployment process for sterling and commerce application, agents upgrades fix packs, feature packs applied for WAS and WCS.
- Administered a complex based WebSphere Application Server/WebSphere Commerce Server/Sterling Order Management / WebSphere MQ Server / WebLogic / Jboss /Tomcat environment
- Creating Docker images and pushing them to PCF ( Pivotal Cloud Foundry ) and AWS
- Maintaining cloud base applications in PCF and AWS
- Responsible for maintenance, of configuration, tuning, deployment, troubleshooting,
- Consulted client on WebSphere architecture and Solution provider.
- Working and Administration on automation tools like Jenkins and also hands on experience on Chef/Ansible.
- Good knowledge on installing and configuring Ansible on distributed platforms.
- Working on inventory file to differentiate different set of groups and patterns in Ansible
- Good Understanding and knowledge w.r.t YAML file to run and execute form Ansible server on to their respecting nodes.
- Working on creating docker images and containers using YAML files and also good knowledge on different cloud related module structure to specify and implement it in cloud computing.
- Performing installation/configuration and deploying code through YAML file and creating docker images for Apache Server / WebSphere Application Server / Jboss / tomcat.
- Creating YAML files for lower environment to perform continuous integration for deployment.
- Good Knowledge on maintaining source code in Bit Bucket.
- Creating pipelines in Jenkins for build and deployment / Devops automation jobs.
- Installation and configuration datagrid in WebSphere Liberty profiles 8.5 profiles on multiple cluster environment and also mapping object grids
- Expert knowledge on migration projects from WCS6..x to WCS7.x and WCS7.x to WCS8.x
- WCS commerce application builds and deployments support, installations and fix pack upgrades. Tuning the JVM, database connection pools, GC, Min and Max heap size configured, developed automated build and deployment, configuration scripts for WebSphere7.0 thorough wasadmin scripting.
- Strong knowledge on build Docker Files, Docker Images, and Docker Containers and pushing the images to PCF and AWS
- Created highly available and scalable infrastructure in AWS cloud
- Launched Amazon EC2 Cloud Instances using Amazon Web services (Linux/ Red Hat/Windows) And configured the launched instances with respect to specific applications like NodeJS.
- Build Automation and Build Pipe line Development using Jenkins. Setting up build pipelines in Jenkins and also integrating plugins like Git plugin, EC2 plugin for CI/CD projects.
- Worked on creation of custom Docker images container images, tagging and pushing the images.
- Used Docker containers and Docker consoles for managing the application life cycle.
- In one of the applications implemented Ansible as configuration management/ Orchestration tool and managed Ansible Playbooks with Ansible roles, group variables and inventory files. Used file module in Ansible playbook to copy and remove files on remote systems.
- Provide highly durable and available data by using S3 data store, versioning, lifecycle policies, and
- Create AMIs for mission critical production servers for backup.
- Good Knowledge on maintaining source code in BitBucket.
- Strong knowledge on configuring Kubernetes in a large cluster environment and running in multiple zones.
- Building HA (High Availability) Clusters and installing Add-ons.
- Strong knowledge on configuring kubernetes hosts like adding package repository, installing required packages, setting up host resolutions and configuring common kubernetes Configurations
- Deploying multiple applications engine instances and enabling application engine to use image service resource adapter also configure SSL for image services resource adapter.
- Understanding of AWS (EC2, EC2 Container Service, S3, Elastic File System, Elastic Beanstalk, Lambda, RDS).
- Configuring VPC with other VPCs and access resources in the other VPCs via private IP addresses using VPC Peering
- Strong Knowledge on Amazon S3 without using an internet gateway or NAT, and controlling resources, requests or users are allowed through a VPC endpoint.
- Enable EC2 instances in the EC2-Classic platform to communicate with instances in a VPC using private IP addresses.
- Associate VPC Security Groups with instances on EC2-Classic
- Installation and configuration of POC application in AWS EC2 cloud and Pivotal Cloud Foundry.
- Configuring Application in AWS cloud and validated the connectivity with EAST Data Center and WEST Data center.
- Involved in AWS EC2 cloud computing for One of Master card biometric application
- Strong Knowledge on migrating WebSphere application servers to JBOSS EAP
- Strong Knowledge on automation of deploy and build scripts(MAVERN) for JBOSS EAP
- Strong Knowledge on standalone and Domain mode for clustering in JBOSS EAP
- Strong Knowledge on JBoss Fuse 6.x, JBoss AMQ 6.x, 7.x
- Configuration of JBOSS Server instances with LDAP and Active Directory
- Installation and configuration tomcat application from 6.x to 8.x
- Expert experience in migrating Tomcat applications from 6.x to 7.x
- Expert experience in migrating Tomcat applications from 7.x to 8.5
- Strong knowledge on IBM WebSphere Extreme scaling 8.6 w.r.t datagrids and also shrading primary transaction table to avoid outages during failovers from one datacenter to other.
- Strong knowledge on maintaining replica shards with in the primary shredding for high availability during failovers
- Strong experience on replace the dynamic (side) cache’s in-process-memory and disk system with a distributed dynamic in-memory grid
- Working experience on dynacache replication setup within the cluster in WebSphere application for cache base objects throughout the JVM’s
- Configuring extended http session management with IBM WebSphere Extreme Scale and configuring catalog servers and adding them to catalog service domain.
- Expert experience on commerce tools used for creating stores, users, roles and also experience on CMC tool to configure pricing / catalogs/ promotions.
- Monitoring tool experience like Splunk, AppDynamics, Nagios, grafana, gems.
- Integrating Solr search engine to WCS environment for building index and re-processing the catalog.
- Install/upgrade, configure and support WebLogic 10g.
- Expert experience in Jenkins and chef for deployment strategy and running a day to day jobs and also configured new jobs for release.
- Designed the topology for new WebSphere 8.0.0.5/7.1.0.24 installations and WebLogic Server 10g
- Created and setup new WebSphere Application Servers in a clustered environment.
- Using Dyna cache services for WebSphere Commerce clustered environment, using servlet catching, disk offload, and command catching services.
- Find the issues and fixed stage prop issues and inventory, catalog data load issues.
- Commerce Solar search application server installation and configuration and deployment.
- Commerce server configuration automation, Database table migration, Commerce server application deployments.
- Invalidating caches for products that not updated by data loads, Dynacatche invalidation, specific Cache invalidation for WebSphere Commerce7.0.
- Development of commerce applications, designing, implementation, sub system implementation, access Control policy implementation.
- Working with backend SAP and TIBCO teams with integration on inventory and WebServices calls.
- Creating stores and customizing, working with marketing and member subsystems, creating bundles, packages, and product.
- WebSphere Fix pack upgrade and feature pack upgrades, maintenance fixes, Production patching deployments.
- WebSphere Commerce package and application patches deploying to dev through production.
- Sterling application deployment, agents deployment configuration, build and release management, JMS, MQ JNDI bindings generated for Sterling clients to configure with MQ.
- Deployed new Enterprise J2EE applications in the shared WAS environment
- Design and developed high-quality and scalable J2EE based e-commerce systems using WebSphere Commerce.
- Scheduling data loads for catalog, pricing for commerce applications, analyzing thread dumps monitoring, developed shell scripts for deployment process, developing ANT scripts and Jython scripting.
- Configuration of new IHS Web Servers and Virtual Hosts.
- Setup of the new Application work area. Created deploy scripts for Dev/Test/Stage and Production
- Creation of data sources for the applications involving DB2, Sybase, Oracle.
- Applied fix packs and upgraded WAS 8.0/7.1, WCS 7.1, WebLogic 10g and WAS Databases.
- Regularly interfaced with code developers, network engineers, security and UNIX s/a.
- Automated build/ deploying Ear, War, Jar files.
- 24/7 On-call Level 2 Production support.
- Configuration and maintenance of Iplanet (SUN ONE), Apache and IBM HTTP Servers on Solaris/AIX and 2000 environments
- Involved in the migration of Web-Tier from WAS 6.1 to 7.1v and 8.0.0.5 / WCS 7.1.
- Created new Hardware certs X509 and IBMPKCS11 to configure Web Servers and Application Servers for MSSL
- Phase-out RAINBOW devices and bring in F5 / A10 devices for the Web-Tier
- Installation and Configuration of Solaris/Linux Servers and Windows NT/2000 Servers.
- Configure groups and users, enable high-end security based secure Ids for all users, to log on to the server at various clients
- DB2 configuration for WebSphere nodes. Creation and setup of DB2 Alias.
- Testing and debugging the applications installed on Linux and WebSphere
- Using Tivoli Performance Monitor for monitoring the applications. Fine-tuned both Web Servers and Application Servers for different load requirements.
- Responsible for on-going administration of all server software.
- Experience of providing production support and monitor the team Mailbox for Issues 24x7
Environment: Web Sphere Application Server 6.1/8.0/8.5, WebSphere Commerce Server 7.0/8.0, Sterling Order Management and Fulfillment 9.2/9.4 , WebSphere ODR 8.5, WebLogic AS 10g/11g, JBOSS EAP 6.1/6.3,TomCat 6.x/7.x/8.x,Jenkins, AppDynamics, Grafana, Nagios, Cigna, Wily Introscope 8.0, WCBD Sterling Clients, and Commerce Application, SQL Developer Tool for DB administration. Linux5.0/6.1, Solaris, A10/F-5 Load Balancer, IHS setup, Jython, SOAP, Web Services, Java, JMS, JDBC
Confidential, Tempe, AZ
SR. WebSphere Administrator
Responsibilities:
- 24/7 On-call Level 4 Production support.
- Proficient knowledge of WebSphere Application Server ND 6.1/7.0.
- Proficient knowledge of Installing, configuring, administering, performance tuning, monitoring and trouble-shooting WebSphere Application Server, IHS/Plug-ins, Apache servers and Sun One webservers.
- Proficient knowledge of WebSphere Application Server security architecture, LDAP based user registries, different authentication and authorization mechanisms and SSO.
- Experience with migrating applications from WAS 6.1 to version 7.0.
- Proficient knowledge of WebSphere in horizontal/vertical clustering and highly available and load balanced environments.
- Experience in configuring SSL/MSSL using software and hardware based certs.
- Configuring and renew existing SSL/MSSL between client-web server and web server-Application Server.
- Good Knowledge on troubleshooting, configuring NDM certs, SNode and PNode for a secure file transfer from end to end point.
- Configuring Dynamic End-points for communicating with outbound services.
- Experience in configuring WS-Security.
- Experienced in deploying EAR, WAR and JAR files on Web Sphere Application Server 6.1.x, 7.x and configuring various resources for applications.
- Performance and tuning database connection pools, thread pools, JVM Heap Size to required sizes using admin console.
- Worked closely with the development team to determine how the application will utilize the application resources/services (JDBC pools, JMS, Security).Responsible for understanding application environment and changes in order to tune Java memory parameters in support of application stability.
- Strong experience in automation WebSphere application server deployments and configuration changes through jython/jacl/python scripts
- Experience in Microsoft Power Shell CLI (Command line interface) for servers configured on windows server.
- Involved in performing stress testing to test for workload balancing and memory leaks, connection pooling issues in WebSphere Application Server and tuning various parameters to reduce the amount of hardware.
- Working knowledge in evaluating session state failover options (memory-to-memory, database persistence and created and configured DRS (Data Replication Service) replication domains.
- Involved in installing Web Servers like IBM Http Server V6.1 and installing corresponding plug-ins on the Web Servers to communicate with the Application Server.
- Provided load/stress and architecture validation testing and trouble shooting on issues such as Out of Memory, 100% CPU Usage, hung Thread sessions, session replication, JVM Crashes.
- Hand own experience on third party deployment tools like Anthill Pro, N1sps for WebSphere and Web logic application server.
- Practical knowledge of UNIX Scripting and JACL/Jython scripting for WebSphere.
- Documented all procedures and any other important issues and provided 24x7 on-call support of middleware applications as part of rotating team coverage.
- Involved in troubleshooting and performance tuning using Resource Analyzer and Log Analyzer.
Environment: Web Sphere Application Server ND 6.1/7.x, Apache 2.0x/2.2x, IBM Http Server V6.1, IIS 6.0, Sun One 6.x, Solaris 10, AIX 5.x/6.x, Linux 3/4 and Windows Environments.
Confidential, St. Louis, MO
SR. WebSphere Administrator
Responsibilities:
- Installation and configuration Web Sphere Application Server ND 6.1x/7.x,Apache 2.2.x, IBM Http Server 6.1.x, plug-ins, applying fixes for Web Sphere, HTTP servers and plug-ins.
- Installed and Configured Web Sphere Application Server ND 6.1x in order to provide Core functionality for implementing Service oriented Architecture .Solid experience in implementing Work Load Management (WLM) and failover using Vertical/horizontal clustering to achieve High Availability.
- Federating Nodes to the deployment managers.
- Good Experience in migrating critical care applications over 200 from WebSphere Application server ND 6.x to7.0 v simultaneously.
- Responsible for installation, configuration, tuning, security, backup, recovery and upgrade of Websphere Portal Server in clustered environment on IBM AIX systems.
- Good knowledge on troubleshooting critical care applications during migration process.
- Configured Web Sphere resources like JDBC providers, JDBC data sources, connection pooling.
- Experience in configuring SSL/MSSL using software and hardware based certs.
- Configuring SSL/MSSL between client-web server and web server-Application Server
- Configuring Dynamic End-points for communicating with outbound services.
- Experience in configuring WS-Security
- Experienced in deploying EAR, WAR and JAR files on Web Sphere Application Server 6.1.x, 7.x and configuring various resources for applications.
- Enabled security for the Admin Console and the application components by creating user registry in LDAP (IBM Tivoli Directory Server6.1)
- Monitored for Application core dumps or forced thread dumps to check for system objects using thread analyzer
- Experience in Tivoli Identity Manager, Updating their roles and permissions with respect to their environment needed.
- Working knowledge in evaluating session state failover options (memory-to-memory, database persistence and created and configured DRS (Data Replication Service) replication domains.
- Involved in installing Web Servers like IBM Http Server V6.1, Apache 2.2.x, IIS 6.x and installing corresponding plug-ins on the Web Servers to communicate with the Application Server.
- Provided load/stress and architecture validation testing and trouble shooting on issues such as Out of Memory, 100% CPU Usage, hung Thread sessions, session replication, JVM Crashes.
- Used Wily Introscope, Tivoli Performance Monitoring tool to monitor application resources (Enterprise beans, Servlets) and WAS a runtime resource (JVM memory, application server thread pools, database connection pool, CPU Starvations).
- Implemented Clustering, Performance tuning and trouble shooting of IBM Web Sphere Application Server 6.1/7.x.
- Involved in performing stress testing to test for workload balancing and memory leaks, connection pooling issues in Web Sphere Application Server and tuning various parameters to reduce the amount of hardware.
- In-depth knowledge in creating automated Administrative tasks using Shell scripts and Jython Scripts.
- Installation and configuration WAS 6.x/7.x on windows through Microsoft PowerShell CLI commands.
- Do have a good experience in GSM (Global Service Management) a part of ITIL objectives.
- Experience in analyzing application problems using tools like CA Wily Introscope/IBM Tivoli Performance Viewer and creating multiple cluster environment.
- Migrating the applications from to JBOSS 4.0.2 to WebSphere application server 6.1x.
- Working with developers to configure some applications in JBOSS environment
- Configuring JBOSS servers in development stage
- Configured the JBOSS to use DB2 enterprise database (Transfer Database from default cloudscape) to be supported in production environment
- Responsible for setting up state replication using JBOSS distributed cache to manage load balance with fault tolerance.
- Responsible for setting up state replication using JBOSS distributed cache to manage load balance with fault tolerance.
- Exposure to Tivoli Access Manager. Responsible for installing and configuring Web Seal and creating Access Control List and Protected Object Policy for fine grained authorization.
- Working knowledge of Web Services.
- Good experience in installing 3rd party software like Wily Introscope for tuning purpose.
- Configured Tivoli directory server for authentication to the application server.
- Created multi server in JBOSS environment, monitoring, maintain and troubleshooting application server.
- Deployment, Software installation, maintenance, fixes upgrades, general administration, troubleshooting and performance tuning of JBOSS.
- Configured DB2 Node and DB catalogs to connect to mainframe DB2 databases via DB2Connect servers systems on Sun Solaris, AIX, Linux environments.
- Responsible working with network team for opening the firewall holes, submitting the connectivity request and configuring the load balancer.
Environment: Web Sphere Application Server ND 6.1/7.x, Apache 2.0x/2.2x, IBM Http Server V6.1, Microsoft Power Shell CLI,IIS 6.0, JBOSS, ITIL, Tivoli Access Manager, Tivoli Identity Management for e-business 6.x, JBOSS and, Jython/jacl/Shell scripting, Solaris 10, AIX 5.x/6.x, Linux 3/4 and Windows Environments.
Confidential
WebSphere Application Server Administrator
Responsibilities:
- Install, configure and maintain Application Servers like WebSphere, IHS on diverse UNIX platforms that includes Solaris, AIX and Linux and Windows Platforms (NT/2000) in a multi clustered high availability environments.
- Package, build, Integrate and deploy enterprise J2EE applications on WebSphere Application 5.1 that involves EAR (Enterprise Archives) and WAR (Web Archives).
- Managed the security and performance optimizations for EJB containers and web applications in IBM WebSphere and Apache web server.
- Created user roles and groups for securing the resources using Local OS Registries.
- Installed and configured IBM WebSphere Application Server 5.1, JDBC drivers along with trouble shooting and recovery on Solaris and AIX.
- Accountable for application changes across different platforms- development, testing and production.
- Developed UNIX shell scripts to automate the WebSphere Administration (recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc,).
- Involved in configuring the Web Directory access protocols like LDAP for different levels of access at the site.
Environment: Web Sphere, PL/SQL, DB2, IBM AIX, WebSphere Application server 5.1 .Windows 2000 Server/NT.
