Engineer Manager

Location:

Dublin, CA

Posted:

May 16, 2020

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Resume:

Praveen Kumar Gampala

Email: ************.*******@*****.*** Phone: 816-***-****

SUMMARY

EDUCATION:

Master of Science in Computer Engineering Jackson State University, Jackson, MS May 2010

Bachelor of Engineering in Electronics & Communication Eng, Jawaharlal Nehru Technological University, and India May 2007

Over nine of experience in IT industry experience extensively worked on oracle WebLogic Application Server as an administrator in installing configuring and administering Server Configuration, Deployment of Components and Performance Tuning including Troubleshooting and Maintenance.

Migrating of application from Weblogic 7.x/8.x/9.x to Weblogic 10.0/10.3/12c

Configured and administered JDBC, JMS, JTA, JNDI, SNMP and Node Manager to administer the Managed Servers in WebLogic Application Server 7.x/8.x/9.x/10.x.

Managed and administered Domains, Nodes, and Instances in BEA WebLogic server.

Deployed applications in (WAR, JAR and EAR formats) Web-Based/E-Commerce domains and Clustered environments of WebLogic.

Experience in configuring and administration of connection pools for JDBC and JMS connections and clustering EJB Objects.

Installed and configured Sun ONE/iPlanet, Tomcat, IIS, Apache and IBM HTTP Web Servers in various environments like Sun Solaris, RedHat Linux, HP-UX and IBM AIX and Integration of the same with the WebLogic.

Strong knowledge about the deployment of J2EE applications on BEA WebLogic 7.x/8.x/9.x/10.3, iPlanet and Apache, and familiar with utilization of OOP.

Solid experience in developing and deploying the applications on multiple WebLogic Servers and maintaining Load Balancing, Failover and High Availability.

Expert experience in WLST, ANT, BASH and Perl scripting to automate and monitor the WebLogic routine tasks

Expertise in using WLST in creating scripts for various activities like Generating Server Status and Health reports, Deployments, creating weblogic domains on large scale, configuring servers

Excellent application development and interfacing experience with LDAP using Netscape, and Sun ONE directory Servers.

Configured Web Security tools such as LDAP Server, SSL Certificates.

Extensive knowledge of Unix Shell Programming and familiar with Auto Deployment Process besides writing automated scripts.

Expert in performing disaster recovery tasks during DR Drill Process

Experience working with Monitoring Tools such as Wily Introscope, HP OPENVIEW, BMC Patrol.

Solid knowledge of different Databases like Pointbase, Oracle, DB2, Sybase and SQL Server, besides integrating them with applications.

Knowledge in using Magic Ticket, Altiris Ticket, BMC Remedy as a trouble ticket and change management tool.

Experience on ClearCase Version Control

Worked on Tidal Auto Scheduler.

Experience in networking, TCP/IP, Ethernet, DNS, DHCP.

Worked on a 24/7 schedule.

Strong interpersonal, verbal and writing skills.

SKILLS SET:

Platforms: Solaris 9/10, HP-UX, Linux 6.x/7.x/8.0, AIX 4.3/4.5, Windows (All Versions)

App Servers: BEA WebLogic 7.x/8.x/9.x/10, Apache Tomcat 6.X, JBoss

Web Servers: Sun ONE, iPlanet, IIS, Apache and IBM HTTP.

Languages: Java, C, C++, .NET 2003(5), HTML, DHTML, XHTML, XML, XSL and SQL.

Packages: JDK1.1/1.2/1.3/1.4, JSDK2.0 and JFC.

Technologies: J2EE, Servlets, Applets, AWT, Swing, EJB, JMS, JDBC, JNDI and RMI.

Databases: Pointbase, Oracle, DB2, Sybase and SQL server.

Scripting: JavaScript, Shell Scripting and Perl

Misc. Tools: Load Runner, Rational Rose, MS Front Page, MS Visio and Macromedia Flash.

WORK EXPERIENCE

On24 Inc Devops/Middleware Engineer July 2017 – Present

Responsible for administration and monitoring Pre-Prod, Prod Env with Java based application on Weblogic, Apache-tomcat, Nginx, Apache Web servers, Coherence cache container on Solaris 11, RedHat Linux 7 OS version

Perform troubleshooting and/or configuration changes to resolve middleware issues

Troubleshooting Prod/Pre-prod env issue with support of APM tools like New Relic, analyze the GC logs for memory usage

Log monitoring with ELK stack tool Elastic, Logstash, Kafka and Kibana.

CI/CD integration with Jenkins/ Gitlab/perforce for daily code build and promotion as per release cycle.

Architected and POC for couple of projects on hybrid cloud with integration on -perm data centers for scalability.

Implemented system monitoring using Prometheus/ Grafana.

Coherence cache In-Memory http session management

HCL Global Systems Inc, Middleware Administrator Oct 2013 -July 2017

Client: Wells Fargo

Responsibilities:

Responsible for administration and monitoring of BEA WebLogic 10.3 Application Server Environments on Apache web Servers and Solaris, Red Hat Linux 3/4/5.

Migrating of application from Weblogic 10.3.0 to Weblogic 12c

Installation, Administration and Configuration of Weblogic server from 10.3.3/12c with backend like DB2, Oracle 10g RAC, Web Methods and other Local system.

Configured WebLogic JMS Servers, JMS Modules, JDBC Data Sources, JDBC Connection Pools.

Work with team leads to create new infrastructure configuration baseline for WebLogic 12c, apache tomcat and Infor interaction advisor

Perform troubleshooting and/or configuration changes to resolve middleware issues

Responsible for the configuration and administration of Sun One Web Servers including installation and configuration of WebLogic proxy Plug-ins to proxy load balanced requests for dynamic content to backend WebLogic Application Servers, tomcat server.

Responsible for documenting the current architectural configurations and detailed data flow and Troubleshooting Guides for application support.

Good experience in WLST, Shell scripting to automate and monitor the WebLogic routine tasks.

Provided 24 x 7 production support for Apache webservers, WebLogic application servers running on multiple with Sun Solaris OS, Oracle databases running on HP-UX and BIG IP-F5 LTM/GTM load balancer support.

Worked closely with UNIX hardware teams during the production on-calls to get the OS related issues fixed and bring up the applications within the SLAs.

Worked with Oracle to resolve the outstanding issues in the existing production environments.

Installed Weblogic 12c and configured weblogic domains for an application as part of a datacenter move project.

Manually performed J2EE application deployment using weblogic console and administration including JAR, WAR and EAR files.

Implemented authentication and authorization using Corporate LDAP Server, SSL Certificates.

Involved in the server builds for application hardware refresh project meetings.

Experience working with Monitoring Tools such as Introscope, HP OPENVIEW, BMC Patrol.

Worked closely with Development, QA and Release team as part of the datacenter move project which involved moving weblogic and sun one web servers from one datacenter to another.

Experience in networking, TCP/IP, Ethernet, DNS, DHCP.

Worked with UNIX team, firewall team, network team as part of a datacenter move project which involved moving weblogic and sun one web server’s data center move.

Client: Delta Dental of Michigan Aug 11 to Oct 2013

Responsibilities:

Responsible for administration and monitoring of BEA WebLogic 10.3 Application Server Environments on Apache web Servers and HP-UX 11.23/11.31, Red Hat Linux 3/4/5.

Migrating of application from Weblogic 8.1SP6 to Weblogic 10.3

Installation, Administration and Configuration of Weblogic server from 8.1SP6/10.3 with backend like DB2, Oracle 10g RAC, Web Methods and other Local system.

Configured WebLogic JMS Servers, JMS Modules, JDBC Data Sources, JDBC Connection Pools.

Work with team leads to create new infrastructure configuration baseline for WebLogic 10.3 and Weblogic Integration.

Perform troubleshooting and/or configuration changes to resolve middleware issues

Responsible for the configuration and administration of Sun One Web Servers and Apache Web Servers, including installation and configuration of WebLogic proxy Plug-ins to proxy load balanced requests for dynamic content to backend WebLogic Application Servers.

Responsible for documenting the current architectural configurations and detailed data flow and Troubleshooting Guides for application support.

Good experience in WLST, Shell scripting to automate and monitor the WebLogic routine tasks.

Provided 24 x 7 production support for Apache webservers, WebLogic application servers running on multiple with HP-UX OS, Oracle databases running on HP-UX and BIG IP-F5 LTM/GTM load balancer support.

Worked closely with UNIX hardware teams during the production on-calls to get the OS related issues fixed and bring up the applications within the SLAs.

Worked with Oracle to resolve the outstanding issues in the existing production environments.

Installed Weblogic 10.3 and configured weblogic domains for an application as part of a datacenter move project.

Manually performed J2EE application deployment using weblogic console and administration including JAR, WAR and EAR files.

Implemented authentication and authorization using Corporate LDAP Server, SSL Certificates.

Involved in the server builds for application hardware refresh project meetings.

Provided production Quality Control patching support for HP-UX and Red Hat Linux servers.

Involved in applying patches for BEA WebLogic Server, and Apache HTTP Server 2.0.

Experience working with Monitoring Tools such as Introscope, HP OPENVIEW, BMC Patrol.

Worked closely with Development, QA and Release team as part of the datacenter move project which involved moving weblogic and sun one web servers from one datacenter to another.

Installed and configured HP Server as part of web server hardware refresh project and data center move.

Good experience in using Magic and Altiris as a trouble ticket and change management tool

Worked on ClearCase Version Control Managament

Worked on Tidal Auto Scheduler to run the jobs automated.

Experience in networking, TCP/IP, Ethernet, DNS, DHCP.

Worked with UNIX team, firewall team, network team as part of a datacenter move project which involved moving weblogic and sun one web server’s data center move.

Environment: BEA WebLogic 10.3, 9.2, 7.2, HP-UX 11.23/31, Red Hat Linux 3/4/5, F5 BIG-IP Load Balancers, Sun SPARC Enterprise M5000 Server, SUN Fire 4800, 880, E2900 Servers, Sun T2000, Ingrain, Sun 2900, SAN, JDK 1.5.0_12, JDK 1.4.2_16, JDK 1.4.2_05, Apache Web Server 2.0.55, JDBC, Connect: Direct, Magic and Altiris Ticketing Tool, Clearcase as version Control. Tidal Auto Scheduler.

Skolix LLC Web System Engineer Nov 10-Aug 11

Client: Delta Dental of Michigan

Responsibilities:

Performed WebLogic administration tasks such as installing, configuring, monitoring and performance tuning.

Installed and configured WebLogic 8.1 for both development and production environments

Installed and configured Apache webserver and Oracle 9i database to work with WebLogic Server.

Deployed various WAR, JAR, EAR applications in clustered environment

Configured and administered JDBC, JMS, JNDI, and SNMP on WebLogic Server 8.1.

Deployed applications on multiple WebLogic Servers, JBoss and maintained Load balancing, High availability and Fail over functionality.

Configured Clustering of EJB objects, JDBC connections and JMS connection factories.

Monitored the database (data tables and error tables), Weblogic error log files and application error log files to track and fix bugs.

Developed scripts with WLST to auto create domains and configuration in Test / Pre-Prod / Production environments.

Performed and automated the application, migrations and deployments using cvs, ant, log4j

Configured and created JMS queues & topics, Datasources, bridges & connections pools & multi connection pool.

Worked on installing and maintaining I Planet 5.1 Web Servers including the plugins.

Created Crontab scripts for timely running jobs.

Configured LDAP using Netscape directory Server for user authentication.

Configured Node manager for administration of Managed servers and administered Connection pools for JDBC connections.

Involved in database connectivity using JDBC Database and Connection pools. Managing and Monitoring the JVM performance by Web logic Heap Size, garbage collection, JDBC Pools.

Configured and created JMS queues & topics, Data sources, bridges & connections pools & multi connection pool.

Developed scripts (start, stop, backup recovery processes) for web application server administration.

Involved in the research and troubleshooting of emerging application issues, from WebLogic configuration to code issues.

Developed ANT build scripts, UNIX shell scripts and auto deployment processes.

Developed scripts for automatic startup and shutdown of Admin Server and Managed Servers

Provided 24/7 on call Production Support.

Environment: JDK 1.4, J2EE, JDBC, JMS, SNMP, WebLogic server 8.1/7.0, JBoss, Source forge iPlanet 5.1 Sun ONE, Oracle 9i, ANT 5.1, UNIX, Windows NT, HP-open view (6.0) Solaris

Invensys Inc Web Engineer Aug 10 –Nov 10

Responsibilities:

Supported on call schedule for Production Support.

Deployed the applications like formats of WAR, JAR, and EAR in WebLogic 8.1.

Configuring and Administering JDBC, JMS, JNDI, SNMP in WebLogic Server 8.1.

Install, configure and administer BEA WebLogic Server 8.1 in various environments.

Install and configure Sun ONE webserver in various environments.

Configure and administered of WebLogic server with Oracle9i database.

Deployed the applications on multiple WebLogic Servers and maintained Load balancing, high availability and Failover functionalities.

Configure Clustering EJB objects, JDBC connections and JMS connection factories.

Configure Node manager for administer the Managed servers.

Configure and administer Connection pools for JDBC connections.

Configure LDAP using Sun ONE Directory Server for user authentication.

Used configuration wizard and configuration builder extensively to create and manage WebLogic domains.

Setting up the cluster environment for WebLogic Server integrated with multiple workflows.

Involved in doing a performance benchmark of WebLogic server by using Load Runner.

Configured and deployed applications in various work environments like Development, System Test, SIT, RTB and Production.

Researched and Troubleshooting emerging application issues, from WebLogic configuration to code issues.

Developed ANT build scripts, UNIX shell scripts, and auto deployment process.

Configure JNDI server as a repository for EJB Home stubs, JDBC data source, JMS connection factories, queues, and topics.

Applying the patches to the Weblogic servers.

Environment: JDK1.4, J2EE, Jrockit8.1, JSP, Servlets, EJB, LDAP, JDBC, XML, Oracle9i, WebLogic Server 8.1, Win2K, AIX, Solaris, Linux.

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