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Web/middleware Administrator(web Operations) Resume

SUMMARY:

  • Over 8 years 7 months of IT experience with WebSphere Application server Deployment and Oracle WebLogic Administration and Production Support on heterogeneous systems like AIX, Linux and Windows environment with different versions of IBM WebSphere Application Server, Weblogic and other Middleware technologies like Tomcat (by Pivotal), TIBCO, Microsoft IIS, IBM Datapower Understand overall system functioning, including interaction with other system components such as JDBC, JMS, Tibco (EMS) Experience in using troubleshooting tools like IBM Heap Analyzer, Thread Analyzer, as well aslogs, heap dumps and core dumps
  • Troubleshooting various problems in different stages of production using log files
  • Installed refresh and fix packs for WebSphere Application Server and Weblogic
  • Good Knowledge on Tibco (BW & EMS) administration
  • Good knowledge on vFabric /Pivotal TC - server administration (Tomcat v7 and v8)
  • Devops basics, Docker and nginx
  • Provided support in a demanding 24/7 Production Environment
  • Attending to tickets through the client proprietary ticketing system(ServiceNow)
  • Practice ITIL methodologies and keep up with SLA
  • Excellent interpersonal skills
  • Good Team Player
  • Excellent problem resolution and communication skills with ability to work under pressure to deliver
  • Deployment of web applications (.ear/.war/.jar deployments) in all environmnets (Dev, TEST, QA, Production)
  • Application start/stops
  • JDBC data source creation, connection pooling and configuration
  • JMS configuration and set up
  • SSL certificate install and configuration
  • Define java process definitions and update
  • Installing fix pack and interim fixes and troubleshooting installation of products and applying fix packs based on WebSphere, for example IBM Financial Transaction Manager (FTM)
  • Troubleshooting OutOfMemory scenarios and fixing heap issues and hung threads.
  • Configuring J2c resources.
  • Troubleshooting server start-up issues, java code defects after deployments like class path issues and application properties file errors by checking jvm logs and plugin logs.
  • Resolving port-conflicts
  • Opening PMR with IBM and working with vendor whenever needed.
  • 24*7 on call Production support
  • CERTIFIED - IBM WebSphere Application Server v7.0 Network Deployment
  • Installing fix pack and interim fixes and troubleshooting
  • Updating plugins and its configurations
  • Deployment of static files
  • Resolving port-conflicts
  • Troubleshooting issues with routing and load balancing
  • Datapower MPG junction creation on secure and unsecure domains
  • SSL certficate installation/implementation on the devices
  • Doing XML configuation changes
  • Working on AAA polices and SSl profiles
  • Working/troubleshooting on XML firewall and web Service Proxies
  • Monitoring and tuning the production and other lower environments
  • Work on Pivotal TC Server v3.x ( Previously known as vFabric, by vmware )
  • Deployment of web application (.war ) in all environments
  • JDBC data source creation, connection pooling and configuration
  • Tomcat version upgrades
  • Java version upgrades
  • Troubleshooting and fixing heap issues on the applications running TC server
  • Resolving start-up issues/ Port conflicts
  • Encryption and Decryption of the passphrases (private keys)
  • SSL cert implementation/installation
  • SSO installation/implementation and configuration.
  • 24*7 on call Production support
  • Deployment of web apppications (.ear file) in all environments
  • Updating global variables with application deployments
  • Restarting hawk agents and admin agents
  • Stopping/starting EMS instances and its subscribers
  • Updating the configuration of the EMS configs(tibesmd.conf/json) as needed.
  • Creating queues, topics and queue connection factories in the EMS instances
  • Creating users and JND in the EMS
  • Configuring the JMS setup in the EMS subscribed platforms.
  • Monitoring the production queues and database sizes and making sure they are always available.
  • 24*7 on call Production support
  • Deployment of static content, like favicon files, custom apology pages to the external customers and stop/start activities pdadmin command line utility
  • WebSEAL version upgrade
  • Creating WebSEAL junctions/ tuning the WebSEAL configuration
  • Granting the URLs the access for ACLs(Access control Lists) and POPs (Protected object Policies)
  • Adding servers to a WebSEAL junction and removing as needed.
  • Updating WebSEAL configurations as per the application's need.
  • SSL cert install/update using gskit utility
  • 24*7 on call Production support
  • Enforcing user/password policies upon users
  • Importing users form LDAP
  • Resetting password and modifying password policies for the users
  • Adding users to LDAP verification of association of a token against a username in LDAP
  • 24*7 on call Production support
  • Creating local queues and queue managers
  • Creating and configuring Alias,Transmission, dead letter queues..etc
  • Configuring listeners and Channels
  • Restarting listeners, channels and resetting the sequence numbers
  • Read/browse messages to verify proper/complete message transmission
  • Tracing and debugging for trouble tickets and PMRs
  • Performance tuning on queue mangers and Channels
  • Installing Wily Introscope agents on various platforms like Windows/Unix etc
  • Working on Load tests/ Performance tests and providing the feedback
  • Monitoring the production application status via dashboards
  • Pulling wily reports for post load test analysis.
  • Configuring java process definitions with wily parameters so as to monitor the application and obtain health metrics
  • Similar functionality like the IBM HTTP Server
  • Updating httpd.conf and its configurations
  • Deployment of static files
  • Resolving port-conflicts
  • Troubleshooting issues with routing and load balancing
  • 24*7 on call Production support
  • Creating rules and realms in the Siteminder console
  • Restricting internal websites, to specific users based on an AD group.
  • Giving access to users to the URLs restricted by Siteminder.
  • Deploying .Net applications
  • Doing application pool and website restarts.
  • Installing and configuring certificates using microsoft management console.
  • Doing configuration changes in the IIS(Internet Information Services) console
  • Verifying system and application logs using event viewer.
  • Installing/Updating SSL certs using MMC utility.
  • Monitoring the performance if the .Net applications using PerfMon tool.
  • Asp .Net upgrade
  • 24*7 on call Production support
  • Parsing and filtering logs of the applications which are ingested to splunk
  • Extracting fields from logs as needed
  • Creating dashboards based on the requirements.
  • Creating Alias, TEXT, CNAME, PTR, MX records
  • Setting up Web forwards and record deletions
  • Tuning the configuration of a network load balancer, F5 Big IP, like determining the load balancing algorithm, persistence, encryptions etc
  • Setting up layer 7 health checks on the F5 vips for various high priority apps using HTTP GET method in order to have more proactive monitoring of the apps.
  • All the changes were done by the network team but with the assistance of web operations.

PLATFORMS/TECHNOLOGIES WORKED/WORKING ON:

  • IBM Websphere Application Server(v7, v8 and v8.5)
  • IBM Http Server(v7 and v8.5)
  • Internet Information Services (IIS-windows)
  • Pivotal TC server(tomcat v7 and v8) (v3.2.9)
  • TIBCO BW(5.13) and EMS(8.3)
  • ITAM WebSEAL
  • IBM Datapower Xi52
  • CA Siteminder
  • IBM WebSphere MQ v7,v8
  • IBM FTM for ACH
  • CA Wily Intrsoscope v10x
  • Splunk
  • DNS
  • Linux (RHEL 5, 6,7)
  • AIX (7.1)
  • Windows (2012,2008,2003)
  • CA Wily Introscope
  • Hyperic HQ Agent
  • Compuware Vantage View
  • WinSCP
  • Putty
  • Cygwin
  • Xming
  • HPSA(HP service automation)
  • GEMS
  • MQ Explorer

PROFESSIONAL EXPERIENCE:

Confidential

Web/middleware administrator(Web Operations)

Responsibilities:

  • Web Operations - IT Web and Middleware Production Engineer
  • IBM WebSphere Application Server Network Deployment V7.0, Core Administration
  • ITIL V3 Foundation Certification
  • Splunk certified Power User

Confidential

Web/middleware administrator

Responsibilities

  • Administrating Weblogic server, Fusion middleware, OSB,BPEL,BTM,BAM applications
  • Configuring Data source and connection pool for application
  • Monitoring and maintain good health of all application servers
  • Deploying War and ear files in production environment on weblogic
  • Stop and start of all application services
  • Configuring security realms on Weblogic Server
  • Monitor and manage destination queue, stop and start queue, Delete queue, Stop and start cluster instances, analyze logs of weblogic
  • Taking thread dumps, Heap dumps, Server logs during time of issues.
  • Participating and troubleshooting in Incident management bridge calls for troubleshooting issues.
  • Stop/Start, Deploy SOA component of Oracle Fusion
  • Start/Stop Weblogic instances through scripts, through console
  • Carrying out changes in production adhering change management process
  • Following up vendor for production or product related issues and implementing the changes suggested
  • Troubleshooting issues faced by end user on production as well as NPE.
  • Providing RCA for major issues in production(for P1/P2)
  • Raising and managing oracle SR’s with our vendor Oracle and applying the patches as suggested
  • Involving all the incident bridges as middleware is having communication with almost all the downstream systems.

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