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DevOps Engineer / Systems Administrator Resume Example

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DEVOPS ENGINEER / SYSTEMS ADMINISTRATOR
Professional Summary
Around 9 years of IT experience in combination of DevOps Automation tools, Weblogic, Apache-Tomcat, JBOSS as a System Administrator in which 2 years of working experience of DevOps tools installation, Configuration, Monitoring, Troubleshooting and Maintenance on clusters as well as WebLogic, Tomcat and JBOSS Servers on different Linux/Unix platforms on daily basis along with Linux/UnixAdministration. Has Experience in continuous integration technologies like Jenkins. Designed and created multiple deployment strategies using Continuous Integration and Continuous Development Pipelines and configuration management tools with remote execution to ensure zero downtime and shortened deployment cycles via automated deployments. Expert in Fusion Middleware administration which includes Weblogic, SOA, OSB and Enterprise Manager along with Apache Tomcat and JBOSS administration. Very good at application support, diagnosing problems and issues associated with application installations and integration. Diligently teaming with infrastructure, network, database and application teams to guarantee high data availability along with firewall and network connectivity issues. Experience in Managing/Tracking the defects status by using JIRA tool and Planning & resolving the issues as per SLA. Experienced in branching, tagging and maintaining the version across the environments using SCM tools like GIT, Subversion (SVN) and TFS on Linux and windows platforms. Expertise with UNIX and Windows environments including shell and Perl scripts, CVS, perforce, Clear case, Visual SourceSafe, PVCS.
Skills
  • Fusion Middleware Technologies.



  • J2EE Application Servers.

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  • J2EE Technologies.

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  • Scripting Languages.

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  • Build & CI Tools.


  • Web Technologies.

  • Databases
  • Open Source


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  • SCM Tools

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Fusion Middleware, SOA Suite, Web Center Suite, OC4j, PL/SQL, JDeveloper, AQ, Coherence, OBIEE, ODI, OID, AIA.
Oracle WebLogic, JBoss, and Tomcat.

Servlets, JSF, ADF, JSP, JavaBeans, EJB(POJO, Session & Entity), JPA, JNDI, JDBC, JMS, JAXB, XML(SAX,DOM), XSLT and WebServices.

Python, WLST, Shell Programming.


ANT, Maven, Hudson/Jenkins, Cruise Control, Bamboo, Nexus, Puppet, Chef, Ansible.


Portal, Enterprise 2.0, HTML, DHTML, JavaScript, SOAP and WebServices.


Oracle 11g, MS SQL Server, My SQL.

Apache, Struts, Spring, Hibernate, Axis, Tomcat, Eclipse and Log4j.


CVS, SVN, ClearCase, GitHub, Perforce.


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Work History
DevOps Engineer / Systems Administrator, 04/2015 to Current
AT&T/ DirecTV – El Segundo, CA
  • Working as DevOps Engineer/ Systems Administrator which includes migration/automation processes for build and deploy systems, WebLogic Application Servers, Tomcat, JBOSS, and clusters administration.
  • Built Continuous Integration environment (Jenkins, Nexus and Continuous delivery environment (puppet, Yum, Rsync Integrated delivery (CI and CD process) Using Jenkins, Nexus, Yum and puppet.Built server deployment on Cloud (EC2) servers with help of devops tools like Puppet.
  • Deployed orchestration system mesos in AWS cluster.
  • Design and Implement a code build and deployment system utilizing Jenkins, Artifactory, Mesos and Docker.
  • Experience in creating Docker containers leveraging existing Linux Containers and AMI's in addition to creating Docker containers from scratch.
  • Implemented JShint/JSlint testing tool to automate the code review process and published the results on Jenkins as well the graph by comparing everyday nightly builds.
  • Working on Managing/Tracking the defects status by using JIRA tool and Planning & resolving the issues as per SLA.
  • Working on creating branching, tagging and maintaining the version across the environments using SCM tools like GIT, Subversion (SVN) and TFS on Linux and windows platforms.
  • Expertise with UNIX and Windows environments including shell and Perl scripts, CVS, perforce, Clear case, Visual SourceSafe, PVCS.
  • Deployed the applications on multiple WebLogic Server and maintained Load balancing, high availability and Fail over functionality.
  • Wrote puppet manifests for deploying, configuring, and managing collected for metric collection and monitoring.
  • Working experience in setting up WebLogic cluster environment, including WebLogic Domains, Admin Servers, Managed Servers and Node Manager.
  • Exposed to all aspects of software development life cycle (SDLC) such as Analysis, Planning, testing, and Implementing, Post-production analysis of the projects.
  • Configured Apache Web Server plug-ins for Application Servers.
  • Expertise in Installation and configuration of webservers like Apache webserver.
  • Well versed with UNIX, Red Hat Linux and Windows.
  • Proficient in JVM performance fine tuning and other performance enhancement techniques.
  • Configured and administered Connection pools for JDBC connections.
  • Experience in working with GIT to store the code and integrated it to Ansible Tower to deploy the playbooks.
  • Build Results are managed in Jenkins and deployed using workflows in Jenkins.
  • Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection.
  • Deploying EJBs, J2EE Applications, monitoring the Application servers and Webserver configuration, troubleshooting performance issues using the monitoring tools, Log messages and Log files.
  • Configured virtual machines to run Docker and other software needed by developers.
  • Experience in creating managed servers, Domains and Admin Servers and can start and stop using node manager Experience in monitoring, troubleshooting and resolving the production issues.
  • Expertise in supporting multiple projects during builds and release process.
  • Created extensive documentation, including straightforward how-to procedures for common administrative tasks Good knowledge in creating packages like WAR, EAR, JAR using MAVEN build tool.
  • Deployed different Applications (WAR, JAR, and EAR) in Domain and Clustered environment.
  • Undertake day-to-day Build activities with Success ratio.
  • Configured and created JMS queues & topics, Connection Factories, Data sources, connections pools & multi connection pools.



IT Senior Consultant, 06/2014 to 02/2015
Oracle Corporation
  • My Oracle Support is an online application developed by Oracle for Customers of Oracle.
  • It has various facilities like Knowledge management, Service Request, Communities, Social Network, Patches and Updates, Reports etc.
  • All these facilities are built on individual applications based on Oracle tools like Siebel, WebLogic, Oc4J, Exadata, and OBIEE.
  • We as a team handle each application which includes, Server administration, Troubleshooting issues with Application and databases, Deployments, OS Upgrades and Upgrading Applications.
  • Service Request app on MOS comes under Core Services along with BPEL and WSM internally.
  • Service Request app is built on Siebel and BPEL, WSM are built on WebLogic.
  • MOS KM apps based on KM and OKS are on WebLogic.
  • Analysis of Issues on WebLogic and Siebel application, highlighting major issues and resolving them.
  • Handling Various WebLogic based Applications like BPEL, OKS (Oracle knowledge Service) InQuira and KM for MOS.
  • Handled in PSU/Critical Patch Updates on WebLogic applications Work closely with Development team in tuning WebLogic applications like memory allocation to instances on startup, log rotation.
  • Configuration of SSL certificates.
  • Deployed Java/J2EE applications to Application servers in an agile continuous integration environment and also automated the whole process.
  • Involved in automation of cross environment refresh activities for WebLogic applications Involved in DR switchover/failover tests and implementation on PROD.
  • SPOC for implementing the refresh activities on applications handled by our team.
  • Worked on Identifying the pre-requisites and post upgrade changes required and handled post upgrade issues to resolution.
  • Handling the monitoring application, based on Oracle Enterprise Manager for issues like errors, threshold breach, report generation, etc Automation of Various tasks including Bouncing Siebel servers, deployment activities, Report generation through shell scripts Configure F5 Big IP Load balancer, SSO, LDAP for Siebel applications.
  • Provided support to the application by providing On Call support during Out Of office hours Representing the team by playing a SPOC for priority issues.
  • Leading Live Deployment Support for a major Release.
  • This involved co-ordination within the team for allotting activities, dev teams, delivery team.
  • I have monitored the server logs, enterprise logs, siebel logs, event logs, web server logs when ever server goes down or siebel is slow.
  • I have done Siebel Repository Migrations,SRF Migrations,DDL Synch during onboarding times.

​

Build & Release Engineer/ WebLogic Administrator, 08/2012 to 05/2014
Bravominds Software Technologies
  • Performed WebLogic Server administration tasks such as installation, configuration, monitoring and performance tuning.
  • Designed and implemented Continues Integration process and tools with approval from development and other affected teams.
  • Troubleshoot WebLogic Server connection pooling and connection manager with Oracle, DB2.Installed, configured and administered the Bea WebLogic Server 10.x in various environments.
  • Responsible to perform Build operations with ANT Scripts, while implementing the required modifications in the ANT Script to perform build operations, in accordance with requirements of the project.
  • Creating metadata types Branch, Label, Trigger and Hyperlink. Supporting developers in creating config-spec.
  • Carried out the Merge process as defined in the usage model in each projects. Ownership of release branch.Implemented Triggers to enforce development policies to invoke operations before or after the execution of Critical ClearCase Operations and Events, using PERL Scripts.Configured and administered JDBC, JMS, and JNDI in Weblogic Server.
  • Performed J2EE application deployment and administration including JAR, WAR, and EAR files on different environments (QA, Stage, and Production).Experience in both Clustered and non-Clustered environments.
  • Worked with Data base team to resolve permission issues, connection pool issues on Stage environment.Working closely with Web Administrators to setup an automated deployment for SharePoint applications using Anthill and SVN Tools.
  • Active participation in Build and release process.Experience in building EAR, WAR and JAR using MAVEN.
  • Hands on experience in deploying EAR, WAR and JAR.
  • Providing root cause analysis and be proactive with planning, testing and implementing preventive solutions.
  • Carrying out deployments and cut over processes during the new releases.Automated Build process using Continuous integration tools like Hudson/Jenkins.
    ​

WebLogic Administrator, 01/2011 to 07/2012
Bravominds Software Technologies
  • Provided 24x7 supports for the application servers and web servers by understanding the business impact of the client\'s issue.
  • Involved in Performance tuning of Web Logic server with respect to heap, threads and connection pools.
  • Troubleshoot Web Logic Server connection pooling and connection manager with Oracle, DB2.
  • Supported on call schedule for Production support.Raising the SRT calls for Root cause when we are not able to handle the issues.Performed J2EE application deployment and administration including JAR, WAR, and EAR files on different environments (QA, Stage, and Production).
  • Involved in all the web logic and SOA administration activitiesWorked with Data base team to resolve permission issues, connection pool issues on Stage environment.Maintained the applications among Web Logic run-time processes in a cluster of application servers.
  • Involved in Trouble shooting and fixing day-to-day problems of the applications in production.
  • Involved in Configuration for Weblogic Server Console like Connection pools, Data source, Queues and Bridges.
  • Excellent analytical, logical, management and trouble shooting skills, ability to work in teams and independently.
  • Completing successful deployments as per the scheduled time for PROD & UAT.
  • Performed the Maintenance page activity for production support deployments and provided support to test team and application team.


System Admin/ WebLogic, 10/2008 to 12/2010
Bravominds Software Technologies
  • Creating domains and managed servers and configuring clusters and machines on web logic servers.
  • Deployment of different applications on top of application servers like weblogic.
  • Providing root cause analysis and be proactive with planning, testing and implementing preventive solutions.
  • Carrying out deployments and cut over processes during the new releases.
  • Deployed the applications on multiple Web logic Server and maintained Load balancing, high availability and Fail over functionality.
  • Proficient in JVM performance fine tuning and other performance enhancement techniques.
  • Configured and administered Connection pools for JDBC connections.
  • Familiar with Automating Shell scripts.Worked as a single point of contact for the testing team for various business/ application related queries.
  • Participated in the planning and design of the application server architecture to support business goals.
  • Hands on experience on performing User Acceptance Test (UAT).
  • Hands on experience in maintaining Web logic in Preproduction, DEV, QA and staging environments.
  • Hands on experience in preparing release notes and distribute the same to the Development and QA TEAM


Education
Bachelor of Science: Pharmacy, 2008
Sri RamaChandra University - Chennai, Tamil Nadu

Certifications
  • Oracle WebLogic Certified (Oracle Certificate ID: OC1465662) (https://www.youracclaim.com/badges/8d412d9d-7d90-49f5-81e2-66191bc2983f/linked_in_profile).
  • Oracle SOA Certified Implementation Specialist.​
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Resume Overview

Companies Worked For:

  • AT&T/ DirecTV
  • Oracle Corporation
  • Bravominds Software Technologies

School Attended

  • Sri RamaChandra University

Job Titles Held:

  • DevOps Engineer / Systems Administrator
  • IT Senior Consultant
  • Build & Release Engineer/ WebLogic Administrator
  • WebLogic Administrator
  • System Admin/ WebLogic

Degrees

  • Bachelor of Science : Pharmacy , 2008

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