Raghunath Reddy Singireddy

E-mail: raghunathreddysingireddy@gmail.com

 

 

PROFESSIONAL SUMMARY

Over 9 years Experience in IT industry comprising of Linux Systems Administration and Software Configuration Management (SCM).Extensive experience includes SCM, DevOps, Build/Release Management, Change/Incident Management and Cloud Management.

 

 

Ø      Experienced in working on DevOps/Agile operations process and tools area (Code review, unit test automation, Build & Release automation, Environment, Service, Incident and Change Management).

Ø      Expertise in Amazon Web Services (AWS), Open Stack, Jenkins, Chef, Puppet, Ansible.

Ø      Experience in Linux Administration (Installation, Configuration, Tuning and Upgrades of Linux (Red Hat and Oracle).

Ø      Worked on automation tools like Puppet and Chef.

Ø      Worked on Puppet for the deployment of servers with custom scripts.

Ø      AWS Cloud platform and its features which includes EC2, VPC, EBS, AMI, SNS, RDS, EBS, Cloud Watch

Ø      In-depth understanding of the principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and Application configurations.

Ø      Extensively worked with Version Control Systems CVS, SVN (Subversion), GIT, Perforce.

Ø      Extensively worked with automation tools like Hudson, Jenkins and Build Forge to implement the End-to-End Automation.

Ø      Expertise in using build tools like MAVEN and ANT for the building of deployable artifacts such as war & ear from source code. Application Deployments  & Environment configuration using Chef, Puppet

Ø      Experience with Linux/UNIX environments and scripting for Build & Release automation.

Ø      Administered and Implemented CI tools Hudson and Jenkins for automated builds.

Ø      Configured and Administered Nexus Repository Manager and JfrogArtifactory.

Ø      Experience writing Shell and Perl scripts to automate the deployments.

Ø      Extensive knowledge of NIM, Jumpstart, Kick start. 

Ø      Strong knowledge of DNS, DHCP and IP Addressing. Installation and configuration of various services like DNS, DHCP, NFS, Send mail, Apache Web Server, Samba, SSH, HTTP, RPM package management. Experience in administering Active Directory and group policies. 

Ø      Experience using RPMs to effectively package the applications for product deployments

Ø      Extensive experience monitoring the servers using Nagios and Cacti. 

Ø      Experience is using Tomcat, JBOSS, Web logic and WebSphereApplication servers for deployment.

Ø      Ability to work closely with teams, in order to ensure high quality and timely delivery of builds and releases. 

Ø      Strong ability to troubleshoot any issues generated while building, deploying and in production support.

Ø      Involved in writing Perl and shell scripts for compilation and deployment process.

Ø      Good Interpersonal Skills, team-working attitude, takes initiatives and very proactive in solving problems and providing best solutions.

Ø      Good knowledge on ITIL Process and have worked on coordinating releases across the projects.

 

 

TECHNICAL SKILLS

Operating Systems          Linux(RedHat4.x,5.x,6.x),UNIX,WINDOWSNT/2000/2003/XP/7,AIX             Version Control Tools                        CVS, SVN, IBM Rational Clear Case, Perforce, RTC, GIT, SourceTree                 Languages                                    C, .NET, XML, SHELL, PERL                

Databases                      My SQL, MS Access, Oracle 9i/10g/11g,DB2  

Application Servers          WEBLOGIC, WEBSPHERE and TOMCAT

Web Servers                          IBM HTTP Server, Apache, Iplanet.

Tools                                    ANT,MAVEN, HUDSON/JENKINS, CHEF, PUPPET and BUILD FORGE

Cloud                                    AWS EC2, VPC, EBS, AMI, SNS, RDS, EBS, CloudWatch and VMWare.

 

CAREER PROGRESSION

 

Citi Bank, Tampa, FL Nov 14 - Till date

DevOps Engineer

 

Responsibilities:

 

·   Participated in the release cycle of the product which involved environments like Development QA UAT and Production

·   Regular Build jobs are initiated using the Continuous Integration tool with Jenkins.

·   Wrote CHEF cookbooks for deploying, configuring  and managing collected for metric collection and monitoring.

·   Develop and implement an automated Linux (Centos, Amazon) infrastructure using Puppet and AWS and move existing applications.

·   Wrote Puppet models for installing and managing java versions.

·   Configured Jenkins for doing the build in all the non-production and production environments.

·   Worked extensively on CVS, Subversion as Version Control.

·   DevOps for load balanced environments & Multi-regional server environments (AWS Regional nodes   managed via Chef Roles and Ohai Attributes)

·   Used Arti factory repository tool for maintaining the java based release code packages.

·   Provided the assistance for the smooth phase of Release for the Emergency and Expedite Releases by getting the Director Level Approval and coordinating with different teams.

·   Strictly enforced ITIL process while pushing builds and deployments to prod and pre-prod environments.

·   Configured the users accounts for Continuous Integration – Jenkins.

·   Gathered all the stakeholder approvals, necessary signoffs while acting as a release manager for two development teams.

 

ENVIRONMENT: Java/J2ee, Puppet, AWS, Ant, Maven, Subversion, Unix, SVN, Bamboo, Nexus Pro, Service Now, Remedy, Tomcat, Jenkins.

 

Vanguard Group, PAOctober 13 – Nov 14

Devops/Release- Build Engineer

 

Responsibilities:

 

·   Designed the Infrastructure, and implemented on AWS cloud.

·   Setup AWS VPC’s for dev, staging and Prod environments.

·   My Responsibilities include Searching, Learning, Training and Documenting on new DevOps tools which would fit in our current Eco-System.

·   Manage, configure and maintain Ec2 instances, ELB, RDS, ElasticCache, SNS etc.

·   Automated server/database backups using (snapshots/AMI images).

·   Build the code using build tools. (Maven, Ant, MSbuild etc.)

·   Vulnerability Assessment & Penetration Testing on the infrastructure on AWS for security.

·   Setup Jenkins Build server and maintenance.

·   Apace-tomcat Web Server Configuration and Management.

·   Version Control Using Perforce, branching and merging repositories.

·   Managing Build Process using Jenkins Server.

·   Implemented a Continuous Integration process using shell scripts.

·   Manage Releases, including coordinating with the Dev team and QA team.

 

Environment: Tomcat, Apache, Oracle 11g, Jenkins,  Chef, JIRA,  Ant, Maven, Git, Ubuntu, CentOS, AWS, Ubuntu, Redhat Linux and Windows.

 

 

 

Durham, NC, Florida             March 11– Sept 13

Sr. Release and Build Engineer

 

Responsibilities:

 

·   Experience in setting up Team Deploy for TFS to perform deployments as a post build task.

·   Experience writing Custom XAMLs with developer assistance for adapting the build definitions to complicated build mechanisms.

·   Documented release, builds, and source control processes and plans for J2EE applications.

·   Developed and maintained UNIX/Perl/ANT scripts for Java/J2EE build and release tasks.

·   Involved in editing the existing ANT files in case of errors or changes in the project requirements.

·   Helped design effective policies for maximizing the benefits on floating license keys for Clear Case.

·   Involved in migrating data from CVS to Clear Case using Clear Case import tools.

·   Written batch scripts for compiling files and creating Solution files and WSP files for deploying ASP.NET and Share point application.

·   Converted old builds using MAKE to ANT and XML for doing Java build.

·   Maintained build management by modifying MS Build for all .Net applications to include new components and changes. Experience with Software Development Life cycle in build and release perspective.

 

Environment: Linux/UNIX, Solaris, Clear Case, ClearQuest, TFS, Java, Eclipse, Ant, Iplanet, WebSphere, Web logic , Hudson, Multisite, Perl, Maven, WSAD, Microsoft .net , SQL Server.

Wipro Technologies, Chennai, India            Nov 2006 – March 11

Release and Build Engineer

 

Responsibilities:

 

·   Trained developers in the use of Tortoise SVN and WebSVN as GUI clients for Subversion.

·   Performed merging from development to parent branches prior to building the code.

·   Worked in creating Websphere Application Server Clustered Environments and handling Load Balancing for QA, UAT and Production.

·   Installed and configured Subversion server on Linux via the Apache Web Server to provide access over the Http protocol.

·   Extensively used Ant, Maven, Perl and Bash Scripts for automating build and release tasks.

·   Implemented Shell and Perl scripts for release and build automation. Manipulated and automated scripts to suit requirement. 

·   Demonstrated experience in the Web and Application server administration with good knowledge of Apache and JBoss Application Platform products.

·   Proficient in deploying and support applications on Websphere, Tomcat, Weblogic application servers Used Shell/Perl scripts to automate the deployment process.

·   Built, configured and supported Application team environments.

·   Worked with Development Team Leads and testing teams to establish a build schedule, execute the builds and troubleshoot build failures, if any.

 

Environment:  Solaris, Unix, C++, Java, Eclipse, Ant, Websphere Application Server (WAS), CVS, SmartCVS, Microsoft Visual Studio, MS Build, Test Director, Quality center, WSAD.

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