Jagadeesh Tirumalasetty

DevOps Engineer

+1-913-***-****

acz4x3@r.postjobfree.com

PROFESSIONAL SUMMARY

Successful AWS/DevOps engineer with more than 8 years of professional Experience dedicated to automation and optimization. Expertise in managing the space between operations and development to quickly deliver code to customers. Had hands-on experience with the Cloud, as well as DevOps automation development for Linux systems. Seeking a position in AWS/ DevOps to contribute my technical knowledge.

Efficient in managing the end to end operations and working on automation orchestration tools like JENKINS, PUPPET, Chef and infrastructure monitoring tools like Nagios and Ansible.

Ability to manage SCM processes which include compiling, packaging, deploying, automating processes and application configurations.

Skilled in different phases of Software Development Life Cycle and Agile/scrum Programming Methodologies.

Expertise in AWS, experience in implementing new AWS EC2 instances and working with EBS and S3 storage.

Expertise in using build tools like Ant, Maven, Gradle and MSBuild for the building of deployable artifacts such as war and ear from source code.

Implemented Build Automation Tools/scripts such as MSBUILD, TFS Build, ANT, and Maven.

In-depth knowledge in Cloud environments: AWS and Azure.

Efficient experience in using Nexus and Artifactory Repository managers for Maven builds.

Administered and Implemented CI tools Jenkins, Hudson and Bamboo for automated builds.

Provisioned in the field of infrastructure automation using Docker and Ansible.

In-depth knowledge on the creation of Puppet manifests files.

Vast experience in writing shell, Perl and Python scripts to automate the deployments.

Expert in deploying the code through web application servers like WebSphere/WebLogic/ Apache Tomcat/JBOSS.

Managed environments DEV, SIT, QA, UAT and PROD for various releases and designed instance strategies.

Created and maintained continuous build and continuous integration environments in SCRUM and Agile projects.

Proficiently worked with version and source control tools like GIT, Perforce on UNIX & Windows Environments migrated subversion repositories to GIT and integrated Eclipse IDE with different versioning tools like Subversion and Git.

Created and maintained Branches, labels, work spaces on Git, Participated in merging of source code.

Experience in using bug tracking systems like JIRA, Remedy.

Production experience in large environments using configuration management tools like Chef and Puppet.

Developed Chef Cookbooks to manage systems configuration.

Had knowledge in handling support & maintenance tasks and has knowledge in Networking concepts and Network Administration.

Experienced in Troubleshooting customer issues on UNIX/Windows based operating systems.

Good knowledge in analysis issues with firewalls, networks, private and public VIPs.

Experience working in applications like e-commerce, product, SAAS and IT web Apps.

Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups.

Setting up databases in AWS using RDS, storage using S3 bucket and configuring instance backups to S3 bucket.

Installed, configured and maintained DNS systems using BIND, Route53 (AWS), and Power DNS.

Experience on container based tools like Docker, ec2-docker container service.

Excellence in using configuration management tools like Puppet &Chef.

Developed in handling administration activities in Production, Development and Test environment's carrying Windows, Ubuntu, Red Hat Linux, SUSE Linux, Centos and Solaris servers.

Clustering Virtual Machines within the VMware ESX/ESXi infrastructure.

Proactive experience in Installing, Configuring, Tuning and troubleshooting of Red Hat EL 4.x, 5.x, 6.x and VMware ESX environment.

Active experience in Installation, support and maintenance of Red Hat Linux ES/AS 5.1 servers.

Practical experience in Troubleshooting of all aspects of the Red Hat Linux operating environments.

Hands-on experience in Oracle, MS SQL Server, MySQL, familiar with Non-Relational Database like MongoDB and Cassandra.

TECHNICAL EXPERTISE

Configuration Management tools

Chef, Puppet, Ansible, Docker.

Build tools

Ant, Maven, MSBuild and Gradle and Nexus.

OS

Sun Solaris 11, 10, 9, 8, 7, Red Hat Linux 3.x, 4.x, 5.x, 6.x, SUSE […] Ubuntu, OEL, CentOS, Windows […]

Applications

MS Office 2003, 2007 and MS Visio.

Web/Application servers

JBoss (4.x,5.x,6.x), WebLogic 11g, IBM WAS, Tomcat (5.x/6.x), Apache HTTP Server.

Database

DB2(Z'OS), Oracle (11g,10g), SQL Server 7.0, MySQL and MS Access (using VBA).

Version control tools

SVN, GIT, CVS.

Continuous Integration tools

Jenkins, Bamboo and Hudson.

Cloud Computing

AWS (EC2, S3, EBS, ELB, AMI, VPC), Azure.

Scripting Languages

Python Scripting, Shell Scripting, Bash, PowerShell

PROFFESIONAL EXPERIENCE:

GE Healthcare- San Ramon, CA. Jan 2015 – Till date

Role: DevOps Engineer.

Environment: S3, AWS Opsworks, Ruby, Chef, Puppet, Elastic Load Balancers, EC2 Auto scaling, Linux \Windows, Maven, Oracle WebLogic, Jenkins, Chef, Hudson, Java, Build Forge, OpenStack, Subversion, Ruby, Python, Shell Scripting, API, Ansible, UDeploy, Hotfix PROD Patches, Linux (Ubuntu), Solaris & Windows.

Responsibilities:

Designed and deployed AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, Opsworks.

Worked on CM tools (Maven, Jenkins, ANT, Git, and GitHub) and their usage / process ensuring traceability, repeatability, quality, and support.

Optimized volumes and EC2 instances and created Multi-AZ VPC instances.

Configured Elastic Load Balancers with EC2Auto scaling groups.

Configured and monitored distributed and multi-platform servers using Nagios.

Supported 1000+ AWS Cloud instance's and familiar with Amazon Cloud command line management.

Worked on User administration setup, maintaining account, Monitor system performance using Nagios and Tivoli.

Mostly used Ruby for writing the chef recipes.

Encrypted EBS volumes via KMS service.

Configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier.

Configured S3 to host static web content.

Deployed cloud stack using AWSOps Works.

Created monitors, alarms and notifications for EC2 hosts using CloudWatch.

Set up Elasticache using Memcached.

Migrated applications to the AWS cloud.

Setup automation tools such as Jenkins and Nexus across multiple projects of waterfall and Agile models.

Handled end-to-end deployments across different environments, DEV to PROD, for two projects and their respective five components.

In-depth knowledge of Apache Subversion and Jenkins continuous integration server-installation, Configuration, Design and Administration, and integrating these tools with other systems.

Developed Ant and Maven scripts to automate the compilation, deployment and testing of Web and J2EE applications.

Experience on Amazon visualization server and deployment codes with the setup of build machine.

Creation and maintenance of content for the Ansible community, and implementation of Ansible modules based on customer and community requirements.

Deployed and monitored scalable infrastructure on Amazon web services (AWS) & configuration management using Chef and Ansible.

In-depth knowledge and hands-on working on Orchestrating Application Deployments with Ansible.

Automated application deployments using UDeploy through all environments.

Installed UDeploy server and agents from the scratch and Imported multiple applications into the UDeploy server.

Provisioned the Chef nodes and deployed the cookbooks to chef server through UDeploy.

Automated server configuration/management with Chef.

Maintained all development tools and infrastructure and insure availability for a 24/7 development cycle with teams.

Worked on Installation and Configuration of Chef-Server and Chef-client (Nodes).

Deployed and maintained infrastructure using Chef cookbooks and recipes.

Used Ant to perform daily and weekly Software Builds.

Creation, Installation and administration of Red Hat Virtual machines in VMware Environment.

Worked on Red Hat Linux which includes installation, configuring and maintenance of applications on this environment.

Resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.

Installed, administered and configured Jenkins Continuous Integration tool.

Implemented python, shell scripting.

Experienced in writing shell scripts to automate the administrative tasks and management.

Macy’s- Cincinnati, Ohio Sep 2013 – Jan 2015

Role: DevOps Engineer

Environment: SVN, CVS, Git, Jenkins, Tomcat, Shell and JIRA, confluence, puppet and Chef.

Responsibilities:

Responsible for defining branching & merging strategy, checkin policies, improving code quality, automated Gated Checkins, defining backup and archival plans.

Coordinated with resources by working closely with Project Manager's for the release and Project Manager for all the Operational Projects.

Experience on resolving issues to support application.

Build Automation and Build Pipe Development using Jenkins.

Have exposure and good hands on experience with Puppet and chef.

Setting up Jenkins master, adding the necessary plugins and adding more slaves to support scalability and agility.

Planning and setting up of Continuous Integration for various properties on Jenkins with Commit, Component, Assembly, Deploy and Smoke jobs.

Leading, planning, and managing documentation projects for product releases.

Creating Jira Projects, Confluence spaces.

Setting up commit builds to check for compilation failures of checked-in source code by the developers to accelerate CI.

Deployed and working on JAVA applications.

Managing Nodes using Puppet.

Performed all necessary day-to-day CVS/Subversion support for different projects.

Responsible for design and maintenance of the CVS/Subversion repositories and the access control strategies.

Creation of branches in CVS and Subversion for parallel development process.

Used Jenkins to automate most of the build related tasks.

Involved in managing other version control tools like GIT.

Written cookbooks for various packages and installed them on VMs to perform QA testing.

Merging release branches back to trunk after the production release and resolving of conflicts during merging in both CVS and Subversion.

Used SVN for branching, tagging, and merging.

Developed and implemented the software release management for the release of web applications.

Configured Build Controller in our Project to perform light weight tasks.

Maintained and developed infrastructure using Jenkins.

Worked closely with development team and QA team for product releases.

Implemented Configuration Management, Change Management policies and procedures.

Worked as a system administrator for the build and deployments process on the enterprise server.

Documented project's software release management procedures with input decisions.

Deployed the static content to apache web servers and applications to Tomcat Application server.

Build, configured and support Application team environments.

Established processes and tools to maintain code base integrity, including check-in validation rules and branch/merge processes.

American Airlines, Texas. June 2012 – August 2013Role: DevOps Engineer

Environment: GIT, Puppet, PowerShell, AWS, Python, Java/J2EE, JIRA, Shell scripts, MY SQL, Agile, LINUX and SQL.

Responsibilities:

Worked on establishing a streamlined release process for the development team from scratch.

Worked for DevOps Platform team responsible for specialization areas related to Chef for Cloud Automation.

Worked on CM tools (Maven, Jenkins, ANT, Git, and GitHub) and their usage / process ensuring traceability, repeatability, quality, and support.

Implemented & maintained the branching and build/release strategies utilizing Subversion/GIT.

Manage configuration of Web App and Deploy to AWS cloud server through Chef.

Designed and developed automated deployment and scaling processes based on Vagrant and Chef for a wide range of server types and application tiers.

Automated the cloud deployments using Chef, Python and AWS Cloud Formation Templates.

Automated infrastructure using Docker.

Designed and programmed a core company service that improved stability, maintainability and

reliability by 30 to 75 percent depending on the account and situation.

Maintained all development tools and infrastructure and insure availability for a 24/7 development cycle with teams.

Automation of disable and enable nodes in F5 load balancer prior and after code deployment.

Manage data collection using framework and python applications.

Monitor real time data processing that scaled thousands of requests per second.

Resolved performance issues caused by ineffective query optimization.

Acacia Communication, Maynard, MA. Jan 2009- June 2012

Role: Linux Administrator

Environment: Solaris 2.9 / 2.10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, SunFire V440/880, DMX 3 & DMX4, Siteminder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.

Responsibilities:

Installation and administration of RHEL 5, 6, Solaris 9,10 and Cent OS 5.

Installation, configuration, administration of Solaris 9,10 on SPARC based servers using Jumpstart, worked on T. M series servers.

Configured kickstart server and updating/applying patches to the servers using Redhat Satellite server.

Remote system administration using tools like SSH, Telnet, and Rlogin.

Worked on Citrix Xen 6.0 which includes installing, configuring Redhat servers.

Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.

Applied appropriate support packages/patches to maintain system integrity.

Performed capacity analysis, monitored and controlled disk space usage on systems.

Monitored system activities and fine-tuned system parameters and configurations to optimize performance and ensure security of systems.

Pushing files, updates using CFEngine.

Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.

Custom build of Windows 2003 and Windows 2008 servers which includes adding users, SAN, network configuration, installing application related packages, managing services.

Creating profiles, manifests for new servers, and pushing them to servers using puppet.

Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation scripts.

Installed, configured AIX 5.3, 6.1 on IBM p, x series servers using NIM, creating LPARs using HMC on public series servers.

Creating virtual machines using Xen and deploying OS, managing hardware.

Creating, installing Weblogic Application servers, deploying WAR, JAR files on them installed on both Linux, Solaris servers.

Installing, configuring Jboss 4.3 on Linux, Unix servers, integrating it with Apache server.

Worked with project manager and auditing teams to implement PCI, SOX compliance.

Jumpstarting Solaris 9, 10 on Sun servers, configuring servers. Configured/Maintained Zones, LDOMs, ZFS filesystem Sun Solaris 10 Servers.

Management and monitoring of various services using Service Management Facility and Service Administration.

Installing, configuring Veritas Netbackup 6.5 on Linux, Solaris servers, creating backup polices.

GAMMON INTRA, Mumbai, India Jul 2008 – Dec 2009

Role: Assistant Systems Engineer

Environment:

Responsibilities:

Held various roles at GAMMON in technology specializations: web release engineer, configuration management specialist, performance engineer, and integral to the company's production support model.

Worked comprehensively on next generation software architectures and development models, and drove IT in product recommendation, evaluation, and integration.

Extensive knowledge and support of multi-tiered application architectures including and running on:

Java based applications primarily, worked on some .NET applications.

Support and administration of Oracle, DB2, MS SQL Server, and MySQL database systems.

Apache, IIS, Oracle, and created custom webserver solutions.

UNIX, Linux, and Windows operating systems

Expertise in performance engineering, troubleshooting, and production support to quickly resolve major issues from the application level to the network and web server level to the O/S level.

Also, responsible for project management, team leadership and mentoring team members across projects and application/production support.

Fluent in several software lifecycle models, including Waterfall, SDLC, and Agile.

Awards within the company have included multiple spot awards for individual contributions, division wide awards recognizing outstanding achievement, and a company-wide award for quality of value added involvement.

ACADEMIC QUALIFICATIONS

Bachelor of Technology in Computer Science Engineering, SRM University, Chennai, Tamil Nadu, India.

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