Manager Engineer

Middleware Administrator

Ndifreke A. Udoh 720-***-****

n diudoh72@ gmail.com

PROFILE SUMMARY: -

WebLogic:

● Having 5 + years of experience in the field of WebLogic Administration, configuring, monitoring, deploying, tuning and troubleshooting of WebLogic 12c, 10.x, Apache servers on Linux /Windows environment.

● Installed WebLogic on LINUX environments using GUI, command prompt and silent mode.

● Created and configured domains in production and non-production environments using configuration wizard.

● Configured Node manager to remotely starting group of JVM’s from console.

● Configured the vertical and horizontal clustering for various WebLogic domains and deploying the applications in different environments.

● Proficient in deploying the WAR, JAR and EAR applications on target managed servers by using the tools like Admin console, WebLogic Deployer utility and WLST.

● Patch updates using BSU tool, Service Pack Upgrades and Version Upgrades.

● Troubleshoot problems related to server hang, application deadlock, out of memory and high CPU, in conjunction with helpdesk, development team, networking team, and vendor.

● Diagnoses the application by using JVM tools.

● Configure and maintenance the scheduled tasks like Thread dumps, log files backup etc.

● Experience in generation and analysis of thread dump and heap dumps for analyzing the issues.

● Installation of Apache and involving in the Apache SSL configuration.

● Involving in configuration of WebLogic SSL configuration.

● Skilled in leadership, self-motivated and ability to Trouble shooting various problems in different stages of production and non-production using logs files.

● Good at trouble shooting using Logs and Log Analyzer.

● Good experience on basic UNIX/LINUX commands.

● On-call support (24x7), Monitoring and maintaining multiple Applications at production and non-production.

WebSphere:

• Having 4 + years of experience in the field of WebLogic Administration, configuring, monitoring, deploying, tuning and troubleshooting of WebLogic 12c, 10.x, Apache servers on Linux /Windows environment.

• Involved in the installation & configuration of JDBC Drivers, Data Sources and Connection pools on WebSphere Application Server, IBM HTTP Server and Apache Web Server, etc.

• Responsible for installation, configuration and troubleshooting windows server problems

• Responsible for deploying all enterprises application in a company

• Have good knowledge of WebSphere Application Server Network Deployment (WAS ND) and integration with IHS (IBM HTTP Server)/Apache plug-in

• Have superb knowledge of all products

• Exceptional capability to modify and reconfigure application TECHNICAL SKILL SET: -

1. WebLogic Tools: WebLogic 10.x, 12c

Web Servers: Apache Server

Operating Systems: Red hat, Oracle Linux

Databases: Oracle 11g

Tools: OEM, Samurai, Remedy, WinSCP.

2. Web Sphere Tools: IBM WebSphere Application Server 8.5 Web Servers: IBM HTTP Server, Apache, Portal, Process Operating System: Red hat Linux / Windows

Databases used: Oracle 11g, MySQL, DB2

Languages: Java, JSP, Servlets, Struts, JDBC, HTML. Tools: Putty, SSH, Telnet, TCP/IP, HTTP/HTTPS, LDAP, SOAP, X-manager

Monitoring Tool: IBM Support Assistant, Tivoli Performance Viewer, Log analyzer, Garbage Collector Tool, Heap Analyzer, IBM Tivoli Log, Viewer, dynatrace, compware,

EDUCATION QUALIFICATIONS:

University of Calabar, Nigeria

Bachelors of Science

Niche Resources, Abuja-Nigeria

JC Inc. School of Professional Training, Washington DC WORK EXPERIENCE:

1. Infosys Limited – Indianapolis, IN

Environment : WebLogic, Websphere, Jboss

Duration : January 2018 -Till Date

Role : Technical Analyst

Roles and Responsibilities:

. I nvolved in Project transition process

. Define Middleware Requirement and policies

. Implement MW configurations

. Create, alter and delete application objects changes

. E xecute Middleware creation, upgrade and refresh

. E xecute all Middleware system-level changes (i.e initialization parameters)

. Execute all object changes for all instances

. Maintain consistence MW parameters and system settings across all likes instances according t o established development to QA to production cycle.

. Implement and administer appropriate MW management tools across all MW instances

. Patch Middleware software as needed instances according to established development to QA to production cycle.

. Provide Middleware communication software configuration, installation and maintenance.

. Coordinate implementation of communication with third parties and manage the information exchange.

. Execute processes for maintain ace and functioning of MW systems

. Execute authorized change requests

2. Highland Meadows (Elem LLC) Consults

Environment : WebLogic 12c, 10.3.6, Oracle 11g, Apache. Duration : February 2016 – September 2017

Role : Application Support engineer

R oles and Responsibilities:

● Installation and configuring, administration of WebLogic 10.x on Linux environment.

● Recycle WebLogic, Instances

● Monitoring the Apache server.

● Provided support for all applications in Production and non-production environments

● Resolving run time issues in the environments.

● Monitoring Server Health Check and Resolving Alerts.

● Provided on call support for client on 24/7 basis.

● Troubleshooting the middleware issues and resolving tickets with in SLA.

● WebLogic administration includes: availability of service, deployments, node administration through admin Console.

● Configure Managed Servers in a Cluster for High Availability, Load balancing and fail over.

● Proficient in deploying the WAR, JAR and EAR applications on target managed servers by using the tools like Admin console, WebLogic Deployer utility and WLST.

● Patch updates using BSU, Service Pack Upgrades and Version Upgrades.

● Configuration of the WebLogic resources like JDBC data source, connection pool.

● Creation of JMS Servers, Persistence Stores, Connection factories, Queues and Topics

● Deployment of Web-applications in Web Logic instances.

● Installation of Apache and plugins configuration on Linux environment.

● Communicating with the client, Testing Team & Development Team

● Diagnostic the application by using JVM tools.

● Experience in generation and analysis of thread dump and heap dumps for analyzing the issues.

● Working on the BMC remedy ticketing tool.

● Involving in WebLogic SSL, Apache SSL configuration for secure communication channel over the network.

3. G enesis (Remington) Consults

Environment: WebSphere 8.5, HIS Webserver, Apache

Duration: June 2015- January 2016

Role: WebSphere Administrator

R oles and Responsibilities:

● Involved in customizing portal applications and administering users, pages, and portlets.

● Troubleshoot Admin Server start-up issues, Java code defects after deployment, and class path issues by checking the JVM logs, plug-in logs and the WebServer logs

● Worked closely with developers to define and configured application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.

● Maintained security, tuning and clustering on Web Sphere Application Server using IBM Webseal Tivoli Access Manager.

● Monitored the logs for Application Server Instances.

● Implemented Horizontal and Vertical Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Server

● Applied fix packs to WebSphere Application Server and Portal Server.

● Involved in number of upgrades (Applying Fix Packs) of Web Server instances from development, testing and production.

● Created users and groups in LDAP Servers and mapping them to the enterprise applications.

• Installed & configured Session Time Out Settings and PMI Settings

• Involved in deploying applications through the deployment scripts and administration console

• Administered the performance tuning of WAS using Tivoli Performance Viewer

• Troubleshot using Tracing, Collector Tool, Log Analyzer and FFDC Tool

• Supervised the setup of Crontab entries for weekly restart of WebSphere environment for maintenance activity

• Provided on-call support (24x7), monitored and maintained multiple applications

• Worked with IBM PMR Support Team for problem determination, troubleshooting, submitting must gather scripts & output, turning on trace and generating Thread and Heap Dumps

4. V ets @ Fitzimmons, Group

Roles and Responsibilities:

Environment: WebLogic 10.3.6, Oracle 11g, Apache.

Duration: September 2012– April 2015

Role: WebLogic Administrator

● Built the middleware team from scratch for a long-term project.

● Deployed WAR, JAR, EAR files on WebLogic 10.3.4

● Upgraded WebLogic 8.x to WebLogic 10.3.4

● Researched and troubleshot emerging application related issues from WebLogic configuration to code issues.

● Strong knowledge in deployments, configuration and troubleshooting Tomcat issues.

● Involved in migration of various Apache/Tomcat applications from Solaris to Linux.

● Supported on call schedule for production support.

● Delegated, monitored and did hands on work to meet and beat deadlines.

● Troubleshoot WebLogic Server connection pooling and connection manager with Oracle.

● Maintenance of remedy system for ticket management.

● Writing and maintaining shell, for simplifying and automating tasks.

● Configured clustering EJB objects, JDBC connections and JMS connection factories.

● Created Distributed JMS topics and queues.

● Good understanding of applications using Distributed JMS systems.

● Set up proxies in Apache for redirecting requests to Tomcat or WebLogic.

● Upgraded apache to newer versions.

● Motivated team to help their performance and meet deadlines.

● Helped the members to achieve their short and long-term career goals.

● Installed, configured and maintained BEA WebLogic 10g, WebLogic 11g on Linux also configured LDAP for user and system authentication.

● Responsible for Administration of BEA WebLogic 10g, 11g, in Deployment and Production

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