SUMMARY

• DevOps/Build and Release Engineer/Middleware Administrator offering over 8 years’ experience solving complex problems with creative solutions, supporting development and operations environments.
• Expertise in Setup, configure and manage Build Environments for Developers.
• Expertise in installing, upgrading Build tools like subversion, Nexus, Jenkins and Maven.
• Good experience with create Build pipelines on Jenkins for Build, Test and Deploy to achieve CIS.
• Experience in migrated source code from Subversion to GIT and Configure Jenkins to use GIT as source code repository.
• Experience in Implement continuous Integration using Jenkins.
• Create, maintain and fix puppet modules. Write and run Jenkins jobs.
• Automate regular tasks using puppet and maintain and the existing puppet modules.
• Develop automation tools for Build and Release using python.
• Expertise in installation, configuration, troubleshooting and maintenance of BEA WebLogic Server 9.2/10.x/11g/12c on environments like UNIX, Red Hat Linux, Sun Solaris and Windows.
• Provided 24x7 on call support in production environment.
• Excellent knowledge in configuring multiple WebLogic domains including machines, manage servers, node managers and cluster environments.
• Deployed various WAR, JAR, EAR and J2EE applications on managed servers and in clustered environment using Console/ Auto deploying scripts in QA, Stage and Production.
• Extensive experience in configuring and managing secured environments using SSL and Digital Certificates.
• Excellent working knowledge in finding Memory Leaks and adjusting JVM Heap size and Garbage Collection parameters during performance monitoring and performance tuning of WebLogic server.
• Experienced in Disaster Recovery drills.
• Well versed in writing WLST, ANT, Python and UNIX Shell Scripts and implementing auto deployment process.
• Excellent knowledge in web based applications using Java - J2EE technologies (Java, Servlets, JSP, Struts, Hibernate, EJB, JMS and Services, XML, SOAP, WSDL).
• Strong communication and interpersonal skills.
• Work hard, play hard, result-oriented leader who believes in adding value to the company, making the team better and strives to always understand and exceed customer needs.

TECHNICAL SKILLS

O/S: UNIX, Linux (RHEL, CentOS, SuSE, Ubuntu), Solaris, HPUX, AIX, Windows 2003

Applications/DBs: Apache Tomcat, JBoss AS, WebSphere, WebLogic, MySQL, Oracle Databases, PostgreSQL, MongoDB and Cassandra.

Internet Services: DNS/BIND, NFS, FTP, Sendmail/postfix, Apache, nginx, NTP

Dev Envs, Builds: Github, Subversion, Perforce, CVS, Jenkins, HP PPM. Monitoring, Config, Nagios, Splunk, Cacti, OpManager, NewRelic, AwStats, MySQL Enterprise Monitor.

Scripting, editors: Shell Scripting, Python, Python Fabric, Ansible and vi

Testing, Docs, Bugs: Jira, Confluence, Wiki, Selenium RC, Bugzilla.

Cloud: AWS Ec2, Rackspace, Google Cloud

PROFESSIONAL EXPERIENCE

Confidential, Mountain View, CA

DevOps/Build and Release Engineer

Responsibilities:

• Setup, configure and manage Build Environments for Developers.
• Configured Jenkins to use Perforce as source code repository.
• Implemented Continuous Integration using Jenkins.
• Created Build pipelines on Jenkins for Build, Test and Deploy to achieve CIS.
• Responsible for environments support on call rotation.
• Assist Dev and QA engineers in troubleshooting day-to-day technical issues.
• Work with development team to deploy the code into QA, UAT, PROD Environments.
• Install packages on salesforce QA, UAT and Prod environments using workbench.
• Deploy various applications on weblogic servers.
• Work with TIBCO development team to deploy the code into diff environments.
• Maintaining and deploying applications using administrator, Adding servers, Machines using Domain Utility.
• Perform Deployment and Un Deployment procedures and Delete, Start and Stop the TIBCO BW services, adapters and Monitoring the System Log Files.
• Using HP PPM, automated deployments for some of the applications.
• Working with Designer, Repository Manager, and Workflow Manager in Informatica tool.
• Migration of Informatica (ETL), SAP BO and EAI code to QA, STAGE and PROD Environments.
• Migration of Informatica objects like workflows, mappings, map lets, transformations into multiple environments using Informatica power Center.
• Responsible for creating/updating connection strings and assigning Integration services.
• Ensured only documented, tested and authorized changes are implemented in controlled instances to minimize production outages/issues/compliances.
• Working with platform, database, operations and application teams to implement infrastructure changes and support the QA, Stage/UAT and production environment.
• Providing 24/7 on call support on rotation basis to both Production and Non production environments.

Environment: Perforce, Maven, Jenkins, RHEL 5.2/6.0, Windows Server 2003/2008/2012, Oracle Weblogic server 10.x/12.1.1, Apache 2.0/2.2, Jboss 4.2/5.5, Apache Tomcat 6.x/7.x, JDK 1.6/1.7, OpenLDAP, Tibco, Informatica, Salesforce, ERP, HP PPM.

Confidential, Portland, OR

DevOps/Build and Release Engineer

Responsibilities:

• Member of DevOps team.
• Setup, configure and manage Build Environments for Developers.
• Experienced in evaluating different cloud providers like Amazon EC2, Rackspace. And successfully migrated DEV, QA and Production environments to Amazon Cloud.
• Created instances in AWS EC2 and configured VPC, security groups and Network ACLs.
• Migrated mysql clusters to Amazon EC2. Setup backups for mysql databases in different regions in Amazon EC2.
• Migrated source code from Subversion to GIT. And Configured Jenkins to use GIT as source code repository.
• Implemented Continuous Integration using Jenkins.
• Experienced in installing, upgrading Build tools like subversion, Nexus, Jenkins and Maven.
• Created Build pipelines on Jenkins for Build, Test and Deploy to achieve CIS.
• Experienced in working with build tools like Team Foundation Server (TFS).
• Responsible for environments support on call rotation.
• Install, configure and administer application servers like Oracle/BEA WebLogic Server 10.3/11/12.1.1, Apache Tomcat and Jboss, web servers like Apache 2.0/2.2, IIS and MySQL Databases in various environments like Development, QA, and Production on Linux and Windows Operating Systems.
• Plan, perform and document system/application upgrades in Production and Beta environments
• Create, maintain and fix puppet modules. Write and run Jenkins jobs.
• Automate regular tasks using puppet and maintain and the existing puppet modules.
• Developed automation tools for Build and Release using python.
• Well experienced in programming using python and knowledge of Java.
• Deploy new environments and troubleshoot all resulting technical issues.
• Working experience with installation and upgrade of OpenLDAP and different databases like MongoDB and Cassandra.
• Research, document and implement system and application log shipping.
• Implement new and maintain old monitoring systems (Nagios). Write new and fix or rewrite old Nagios plug-ins (Bash and Perl) for production applications and databases.
• Set up, implement and document basic system security audit of external facing nodes.
• Assist Dev and QA engineers in troubleshooting day-to-day technical issues.
• Manage and Maintain large MySQL databases and backups.
• Providing 24/7 on call support on rotation basis to both Production and Non production environments.

Environment: RHEL 5.2/6.0, Windows Server 2003/2008/2012, Ubuntu Server 12.0, Oracle Weblogic server 10.x/12.1.1, Apache 2.0/2.2, Jboss 4.2/5.5, Apache Tomcat 6.x/7.x, JDK 1.6/1.7, OpenLDAP, HornetQ, MySQL 5.5/5.6, MongoDB, AWS EC2, Route53, SVN, GIT, Jenkins, TFS, Puppet, VMWare Esxi, Nagios/Centreon, Splunk, ManageEngine Opmanager, Mysql Enterprise Monitor, AWSTATS.

Confidential, Santa Clara, CA

Web Logic/System Administrator

Responsibilities:

• Installation, Configuring, troubleshooting and maintaining Oracle BEA WebLogic 8.1/9.2/10.3. x Application Server in various Environments.
• Configured JDBC resources, data sources and bounded to the J2EE applications, configured the connection pools for the various data sources.
• Configuring Execute Threads, JDBC Connection Pools, Multi pools and JMS Queues and Topics for different components of the system.
• Installed Oracle Client Software on the application server and configuring the connectivity using JDBC drivers for the DB. Troubleshooting the connectivity from the Application to DB, maintenance of the DB’s in server.
• Upgraded the Web Logic servers 8.1/9.2/10.3. x with necessary patches and Service Packs.
• Configured Apache webserver with Websphere 5.x/6.x application server through proxy plug-in.
• Created Self Certified Digital Certificates (SSL) on BEAWebLogic 8.x/9.x/10 AppServer.
• Configured Tomcat 6 to work with Apache Http server, IIS, SUNONE.
• Administered EJB Objects, setting up Jrockit IT/JDK, JNDI, JMS connection factories Queues and topics and IBM MQ series on Weblogic Server
• Configured LDAP using Netscape directory Server for user authentication.
• Collection of JVM statistics, garbage collection data for monitoring the heap and physical memory.
• Using JPROBE to diagnose and resolve performance bottlenecks, memory leaks, excessive garbage collection, threading issues and other java coding problems.
• Day to day system administrators activities which includes performance monitoring and tuning, disk space issues, send mail issues, Tools related issues, FTP, telnet & application oriented issues.
• Worked with HP open view to monitor the performance of applications.
• Developed scripts (start/stop/backup recovery) for WebLogic application server administration. Developed WLST, ANT scripts, UNIX shell scripts to automate the deployment process.
• Analyzing Thread dumps, pstack and prstat to find the problems in application.
• Dealt with troubleshooting issues like Server hang, Application Deadlock, Out of Memory Issue, High memory usage and High CPU.
• Provided 24/7 on call support in both testing and production environment.

Environment: BEA WebLogic 8.1/9.2/10.3. x,IBM Websphere5.x/6.x, Tomcat 6, WLST, JDBC, JMS, LDAP, Sun ONE Web server, UNIX, Oracle 10g, HP open view,Solaris10, HP UX, RHEL, ANT, JDK 1.6/JRockit, Wily Introscope.

Confidential, Nashville, TN

J2EE System Admin

Responsibilities:

• Installation, Configuring, troubleshooting and maintaining the Web Logic 8.1/9.2/10.3. 1.
• Tuning and managing WebLogic application servers in all in development, Testing and Production for better performance.
• Developed and managed Domains using configuration wizard and configuration builder.
• Configured Node manager for administration of Managed servers.
• Configuration of JDBC connections and data sources with Oracle database server9i troubleshooting and fixing up problems.
• Created the JMS Server, JMS Connection Factories, Queues, Topics, File Store, Database Store and Message Bridges and monitored.
• Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection and JDBC Pools.
• Developed scripts (start, stop, backup & recovery processes) for WebLogic application server administration.
• Developed ANT, UNIX shell scripts and Perl scripts to automate the deployment process.
• Installation and configuration of Apache Web server Plug-in with WebLogic server.
• Installed and configured iPlanet Web Server.
• Managing Security issues by creating new security realm for development, testing and production environments.
• Applied patches/service packsfor security and to remain in good performance.
• Configured Tomcat 5 to work with Apache Http server, IIS, SUNONE.
• Configured SSL in Web Logic application server.
• Interacted with developers and Database Administrators to ensure a smooth and bug-free application deployment.
• Dealt with high CPU issues and custom execute queues and tuned TCP/IP parameters
• Troubleshooting with Thread and Heap analysis for detecting blocking and locked threads
• Familiarity with Microsoft Active Directory, TOAD, JIRA ticketing system, KeePass (password safe keeper) and SVN sub-version tool.
• Provided support for various applications in Production Environment.

Environment: Web Logic 8.1/9.2/10.3. 1, Websphere 5.x, Apache 2.x Server,IBM IHS, IIS,SUNONE,Tomcat 5, SQL Server 2000, Red Hat Linux, Windows 2000, Solaris9, Linux, F5 Load Balancer, Oracle 9i, JDK 1.5,HTML, JDBC, JNDI, JMS, SNMP, JTA, Spotlight, Site Minder, ANT, UNIX.

Confidential, Green Wood Village, CO.

Web Logic/System Administrator

Responsibilities:

• Installation, Configuring and troubleshooting the Web Logic Application Servers 8.1/9.1/9.2.
• Configuration and Clustering of WebLogic Application Servers.
• Configured and administered JDBC, JMS, JNDI, and SNMP on WebLogic Server 8.1/9.x.
• Involved in the up gradation of WebLogic server 8.1 to WebLogic 9.2.
• Deployed the applications (WAR, JAR, EAR) on multiple WebLogic servers and maintained LoadBalancing, High availability and Failover functionality.
• Used Third-party Content Management Systems like Documentum and InterOven.
• Coordinated with the Application Support team to identify and correct issues and bugs relating to WebLogic.
• Troubleshooting the configuration of enterprise applications and determining the performance problems by monitoring server availability and analyzing resources.
• Investigate and resolve performance issues by analyzing thread dump, core dump, GC values and heap dump.
• Configured Enterprise manager to receive performance data from managed applications via Introscope Agent in Wily Introscope 6.0.
• Documenting design procedures and test plans.
• Installed and configured Apache Web server and integrated with WebLogic server 8.1/9.1/9.2.
• Configuration and administration of Weblogic server with Oracle9i, Pointbase database.
• Taking Thread dumps, pstack and prstat and analyzing to find the problems in application.
• Written shell scripts for automating logs backup and archiving.
• Logs file analysis (troubleshooting) to resolve issues using scripts.
• Provided 24/7 rotational on call production support.

Environment: Web Logic 8.1/9.1/9.2,Oracle 9i,Pointbase,Apache,JDBC,JMS,SNMP,JNDI, Red Hat Linux, Windows 2000,Wily Interoscope, Solaris JDK1.5, J2EE, Jrockit8.1, JSP, Servlets, EJB.

Confidential

Java Developer/J2EE Admin

Responsibilities:

• Created and maintained Design documents (low & high level Design Documents).
• Developed Project management Plan (PMP).
• Used Object Oriented Methodology for the Java app design.
• Developed several JSP pages and Servlets for the front end.
• Involved in the design, development and execution of test plans and strategies
• Used Fine-grained access control for dynamic query modification to enforce security policies on the objects-the tables or views.
• Developed JSP with HTML and JavaScript for data presentation and collection.
• Developed Java Scripts and HTML pages for front end.
• Took part in new feature additions and integration with the application.
• Developed Stored Procedures for extracting data.
• The Connection to the Database was achieved through JDBC.
• Performed Integration Testing and supported System in production.
• Document of Test Cases, Test Plans, and Project Roll-out plan Functional Testing.
• Installed, configured and administered WebLogic server 7.0/8.1.
• Configuration and Clustering of WebLogic Application Servers.
• Deployed various WAR, JAR, EAR applications in clustered environment.
• Configured Node manager to administer the Managed servers of Weblogic.
• Configured and Administered JDBC, JMS, JNDI and SNMP in Weblogic Server8.1.
• Configured WebLogic server with Apache server through Apache proxy Plug-in.
• Supported testing efforts, implementations and monitoring of batch jobs.

Environment: Java, J2EE, JSP, SERVLETS, Hibernate, HTML, Oracle 8i, Java Script, Eclipse 3, JDBC3.0, JMS1.1, J2SE 5.0, UNIX, Weblogic 7.0/8.1, Apache.