SUMMARY

• Over 8 Years of professional work experience as Linux Admin, Build & Release/DevOps Engineer with AWS Cloud platform experience with mentoring skills and good understanding of the principles. Experienced in Continuous Integration, Continuous Deployment/Delivery integration pipelines.
• Experienced with Interpreted languages including Perl and Python
• Understands Compiled languages including C, C++, C#, Dot Net and JAVA.
• Strong use of Shell scripting languages including BASH for Linux and Mac platforms and PowerShell for Windows systems.
• Facility with development methodologies including Waterfall, Scrum, Kanban, Agile, and hybrid.
• Excellent configuration management utilizing Puppet, Chef and Ansible
• Experienced in Configuration Management, Cloud Infrastructure, and Automation utilizing Amazon Web Services (AWS), Ant, Maven, Jenkins, Chef, SVN, Git, GitHub, Clear Case and Tomcat.
• Expertise in installing, configuring and managing Web Logic, Apache, VMWare Server in clustered environments for High Availability, Load balancing and fault tolerant.
• Transfer data from Datacenters to cloud using AWS Import/Export Snowball service.
• Manage Amazon Redshift clusters such as launching the cluster and specifying the node type as well.
• Setup and build AWS infrastructure various resources like VPC, EC2, RDB, S3, IAM, EBS, Security Group, Auto Scaling, SES, SNS and RDS in Cloud Formation JSON templates.
• Used Amazon Route53 to manage DNS zones and also give public DNS names to elastic load balancers IP's and AWS Beanstalk for deploying and scaling web applications and services
• Expertise in Amazon AWS Cloud Administration which includes services like EC2, S3, EBS, VPC, ELB, AMI, SNS, RDS, IAM, Route 53, Auto scaling, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation, OPS Work, Security Groups, etc.
• Designed highly available, cost effective and fault - tolerant systems using multiple EC2 instances, Auto Scaling, Elastic Load Balance and AMIs and Glacier for QA and UAT environments as well as infrastructure servers for GIT and Chef.
• Strong expertise in designing Micro Services bases solutions utilizing Cloud-Native Architecture.
• Experienced in architecting and managing AWS cloud infrastructure.
• Developed Python modules to automate processes in AWS (AWS Cloud Formation)
• Experienced in designing and distribution of Data across all the nodes and Clusters on different availability zones in AWS Redshift.
• Implemented Micro-services using Pivotal Cloud Foundry (PCF) platform build upon Spring Boot Services.
• Experienced in setting up TERRAFORM continuous build integration system
• Build security utilities and tools for internal use that enables Engineers to operate at high speed and wide scale.
• Deployed and monitored scalable infrastructure on Amazon Web Services (AWS) & configuration management using Puppet.
• Good knowledge of AWS services like Glacier, ELB (Load Balancers), RDS, SNS, SWF, and IAM and hands on experience on Amazon Web Services (AWS) provision.
• Extensive experience in Server infrastructure development on AWS Cloud by using AWS services like EC2, ECS, EBS, ELB, Lambda, S3, RDS, Glacier, DynamoDB, VPC, Route53, CloudWatch, CloudFormation, IAM, Certificate Manager, SNS and Auto Scaling in a scalable production environment.
• Kept track of all releases and request of the developers through infrastructure management tool.
• Extensively worked on CI tools like Jenkins, Hudson, Team City, and Bamboo for continuous integration and for end-to-end automated build and deployments.
• Strong Experience in implementing Data Warehouse solutions in AWS Redshift Worked on various projects to migrate data from on-premise databases to AWS Redshift, RDS and S3.
• Experience in Querying RDBMS such as Oracle, DB2, MY SQL and SQL Server by using SQL for data integrity.
• Hands-on Experience of the J2EE Framework and its components as related to Java build, test, deployment and release management initiatives.
• Expertise in writing Automation scripts in Selenium using C Sharp, Dot NET, and Java.
• Skilled at AWS Cloud platform and its features which include EC2, VPC, EBS, AMI, SNS, RDS, Cloud Watch, Route53, Auto Scaling, Security Groups, Redshift, and Cloud Formation.
• Configured DOCKER Containers for Branching purpose and deployed using Elastic Beanstalk.
• Exposed to all aspects of the software development life cycle (SDLC) which includes Analysis, Planning, Developing, Testing and Implementing and Post-production analysis of the projects.
• Involved in migrating version management systems from CVS to SVN, SVN to CVS, and SVN to GIT.
• Experience working on Docker hub, creating Docker images and handling multiple images primarily for middleware installations and domain configuration.
• Good experience working with container orchestration tools Apache Mesos, Marathon, Kubernetes.
• Experience in configuration and implementation of Elastic Search and Kibana.
• Experience in logging, monitoring and maintaining application/servers using tools such as Nagios, Zabbix, Splunk.

TECHNICAL SKILLS

SCM Tools: Subversion, GIT, Stash (Bitbucket)

CI Tools: Jenkins, Bamboo, TFS and uDeploy.

ConfigMgmt Tools: Chef, and Puppet.

Build Tools: Ant, Maven and Gradle

Virtualization: Amazon Web Services, VMware Workstation, Docker.

SDLC: Agile, Scrum, Waterfall Methodologies.

Languages: Java/J2EE, C, C++, SQL/PLSQL.

Scripts: Bash, Perl.

Web Technologies: Servlets, JSP, JDBC, EJB, HTML, Java Script, XML, JSON.

Web/App servers: Web logic, Web Sphere, Apache Tomcat, JBOSS.

RDBMS: Oracle, DB2, SQL SERVER, PostgreSQL, MY SQL.

PROFESSIONAL EXPERIENCE

Confidential, Irving, TX

Sr. AWS DevOps Engineer

Responsibilities:

• Created the ANT scripts and extension of existing ANT scripts for deployment of applications to HUDSON.
• Used ANT and MAVEN as a build tools on java projects for the development of build artifacts on the source code.
• Responsible for build and deployment automation using VM Ware ESX, Docker, Kubernetes containers and Chef.
• Using Confluence for technical documentation, setting up a knowledge base, Setting up an intranet and Confluence for software teams.
• Install and configuration of Dockers.
• Research and implement new tools such as Kubernetes with Docker to assist with auto-scaling, continuous integration, rolling updates with no downtime.
• Setting up Change Management process and standardizing the policies for various applications.
• Worked in setting up the repos to various projects in GIT.
• Involved in migration from SVN to GIT repos and worked with Linux sys admins for the same.
• Udeploy is used for continuous integration, fast feedback and udeploy (urban(code)) pipeline is a multi-tool pipeline.
• Developed Linux, UNIX, Perl and Shell Scripts for manual deployment of the code to various environments.
• Monitoring - Nagios, artifactory, Custom checks, Zabbix, App Dynamics, Splunk.
• Hands on experience in monitoring EC2 instances using Nagios.
• Configured Nagios to monitor EC2 Linux instances with puppet automation.
• Configured and monitored distributed and multi-platform servers using Nagios.
• Managed the software configurations using Enterprise Chef.
• Setup the Chef Workstation, Chef server and chef nodes.
• Worked on Atlanssian Tools and bootstrapping the nodes.
• Worked in creating, uploading new cookbooks and recipes.
• Worked on scheduling the Chef Nodes convergence using Linux Cron jobs.
• Operations - Custom Shell scripts, Ruby scripts, VM and Environment management.
• Manage configuration of Web App and Deploy to AWS cloud server through Chef.
• Creating the automated build and deployment process for application and leading up to building a continuous integration system for all our products using Jenkins.
• Implementing a Continuous Delivery framework using Jenkins, Chef, Maven & Nexus in Linux environment.
• Worked on Chef cookbooks/recipes to automate Infrastructure as a code.
• AWS Cloud management and Chef automation.
• Integration of Maven/Nexus, Jenkins, GIT, Confluence and Jira.
• Using Jenkins AWS Code Deploy plugin to deploy to AWS.
• Defining Release Process & Policy for projects early in SDLC.
• Responsible for Database build, release and configuration.
• Responsible for nightly and weekly builds for different modules.
• Perform Deployment of Release to, various QA & UAT in Linux environments.
• Implemented AWS solutions using EC2, S3, RDS, ECS, EBS, Elastic Load Balancer, Auto scaling groups, Optimized volumes and EC2 instances.
• Understanding of secure-cloud configuration, (CloudTrail, AWS Config), cloud-security technologies (VPC, Security Groups, etc.) and cloud-permission systems (IAM).
• Configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier.
• Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
• Troubleshoot the build issue during the Jenkins build process.
• Setup various non-production environments for validating various applications.
• Creating the SQL, PL/SQL scripts (DML and DDL) in oracle database and revising them in SVN.
• Created multiple Ruby, maven, Perl and UNIX shell scripts for various application level tasks.

Environment: Java/J2ee, Subversion, Maven, Selenium, Jenkins, Zabbix, GIT, SVN, Chef, cloud watch, Azure, AWS (EC2, VPC, ELB, S3, RDS, Cloud Trail and Route 53), Shell Scripting, Ruby, PUTTY, CONFLUENCE, SOA.

Confidential, Atlanta GA

Sr. DevOps Engineer

Responsibilities:

• Implemented Elastic search, Logstash and Kibana for the Sales and Audit application.
• Responsible to equip the in-house applications with DevOps Automation, Cloud Modernization, Automating digital applications by Migration of legacy platforms to AWS Cloud.
• Managed Amazon Web Service (AWS) projects while coaching the agile process and help implement agile methodology.
• Understanding of secure-cloud configuration, cloud-security technologies (VPC, Security Groups, etc.) and cloud-permission systems (IAM).
• Add project users to the AWS account with multifactor authentication enabled and least privilege permissions.
• Leveraged AWS cloud services such as EC2, auto-scaling and VPC to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts.
• Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby, and Docker on familiar servers such as Apache, and IIS.
• Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Implemented automated local user provisioning instances created in AWS cloud.
• Setup and build AWS infrastructure various resources, VPC EC2, S3, IAM, EBS, Security Group, Auto Scaling, and RDS in Cloud Formation JSON templates.
• Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.
• Recognize, adopt, and install the best practices in security engineering fields throughout the organization: development, cryptography, network security, security operations, and incident response.
• Perform non-technical security tasks such as contributing technical information to sections of the System Security Plan (SSP).
• Provided DevOps teams with clear direction - including appropriate governance and decision making.
• Worked on setting up Jenkins server and integrated with Git,Maven,JIRA and Email Servers.
• Used and configured different plugins like Delivery Pipeline Build var,Env Inject plugins for Jenkins.
• Designed Delivery pipeline in Jenkins based on different Environments like Dev, SIT, UAT and Production.
• Configured Jenkins Master and Slave for RPD and deployment on Weblogic and Oracle Enterprise Manager.
• Used and written Python scripts to deploy build artifacts to Weblogic WLST (Weblogic Scripting tool).
• Have also worked on writing python scripts to integrate Git and Jenkins with JIRA.
• Setup and Configured BitBucket server.
• Developed branching model in BitBucket using Git Flow.
• Integrated BitBucket Server with PostgreSQL and LDAP server.
• Experience with automation/configuration management using Puppet.
• Experience with Pivotal Tracker.
• Scheduler for periodic backups of Jenkins, JIRA and PostgreSQL.
• Worked on integrating Selenium with Jenkins.
• Written Cronjobs to automate daily and weekly jobs.
• Also written shell scripts to automate the Deployment of Artifacts to Linux boxes.
• Integrated Dockers with Jenkins using the Dockers plugin
• Support containerization through Dockers and maintain snapshots of Jenkins.
• Owner of Jenkins, GitHub, Puppet, Artifactory, and all internal build systems for the core development team on an enterprise-level Java-based cloud orchestration/automation tool.

Environment: Java/J2ee, Ant, Maven, OpenLava, Subversion, UNIX, GIT, SVN, Bamboo, Nexus Pro, Sonar, Jira, Remedy, Python, Ruby, Shell Scripts, Tomcat, Jenkins.

Confidential, Dallas, TX

DevOps Engineer

Responsibilities:

• Developed and implemented software release management strategies for various applications as per agile process.
• Worked with AWS services like EC2, S3, VPC, ELB, AutoScalingGroups, Route 53, IAM, CloudTrail, CloudWatch, CloudFormation, CloudFront, SNS, and RDS.
• Experience in automation and continuous integration processes with TeamCity, Puppet.
• Code repository management, code merge and quality checks with various tools, especially Git, nexus, etc.
• Architect Development, Test, Integration, and Production AWS environments.
• AWS EC2, EBS, Trusted Advisor, S3, Cloud Watch, Cloud Front, IAM, Security Groups, Auto-Scaling.
• AWS CLI Auto Scaling and Cloud Watch Monitoring creation and update.
• Solid understanding of Linux OS, including security, compilation, and installation of third-party software and networking.
• Continuous integration and automated deployment and management using TeamCity, Puppet, Maven, Ant and comparable tools.
• Setup and build AWS infrastructure various resources, VPC EC2, S3, IAM, EBS, Security Group, Auto Scaling, and RDS in Cloud Formation JSON templates.
• Experience with web deployment technology specifically Linux/Nginx/Apache/Tomcat/Java.
• Redesigned infrastructure for high availability using multiple AWS availability zones.
• Development, Acceptance, Integration, and Production AWS Endpoints.
• Responsible for mentoring and cross-resource platform standardization of Web Stack technology and development and implementing of policies and procedures.
• Experience in analyzing and monitor performance bottlenecks and key metrics to optimize software and system performance.
• Route 53 configuration.
• Created Python scripts to: Totally automate AWS services which includes web servers, ELB, Cloud front distribution, database, ec2 and database security groups, S3 bucket and application configuration, this script creates stacks, single servers, or joins web servers to stacks.
• Experience running LAMP (Linux, Apache, MySQL, and PHP) systems in agile quick scale cloud environment.
• Dynamically add and remove servers from AWS production environment.
• Automating backups by shell for Linux to transfer data in S3 bucket.

Environment: AWS Cloud, Linux, Apache, MySQL, GIT, Jenkins, Puppet, Maven, Ant, JSON, Python and Shell.

Confidential, Madison, WI

AWS/Cloud Engineer

Responsibilities:

• Created and maintained Subversion repositories, branches and tags and Experience in Administering GIT.
• Implemented Subversion branching and merging operations for Java Source Code.
• Maintained build related scripts developed in ANT and Shell. Modified build configuration files including Ant build.xml.
• Developed build and deployment script using ANT, Shell to Setup development and QA environments.
• Provided Configuration Management and Build support for more than 5 different applications, built and deployed to the production and lower environments.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant to schedule the builds.
• Defined and Implemented Configuration Management and Release Management Processes, Policies and Procedures.
• Worked in using Configuration management tools, Requirement Management tools, Code Static Analysis tools and Bug tracking tools.
• Used JIRA tool to track all the defects and changes related to Build and Release Team.
• Deployed code on Web Sphere application servers for Production, QA, and Development environments.
• Worked on creating the Docker containers and Docker consoles for managing the application life cycle
• Deployed web applications using Chef by developing the cookbook. Also responsible for creating and importing all the environments required to run the project.
• Focused on automation and continuous integration. Automated local development environment using Chef.
• Designed roles and groups for users and resources using AWS Identity Access Management (IAM).
• Created Development Environments in Amazon Web Services using services like VPC, ELB, EC2 and RDS instances.
• Involved in sprints and planned releases with the team using JIRA and Confluence.

Environment: ANT, Jenkins, Chef, Microservices, JIRA, Selenium WebDriver, Agile, Java, XML, Window NT/XP, Embedded C++, DB2, Dockers, SQL Server 2005

Confidential, MD

DevOps Engineer

Responsibilities:

• Coordinate release activities with Project Management, QA, Release Management and Web Development teams to ensure a smooth and trouble-free roll out of releases.
• Working in setting up Virtual Private Cloud, Subnets, routing table, internet gateway Access control list and security groups.
• Working on end to end in setting up of environments like DEV, IT, QA, IQA UAT and PROD environments in AWS cloud.
• Role required Planning, deploying, monitoring, and maintaining Amazon AWS cloud infrastructure consisting of multiple EC2 nodes and Virtual Machine's as required in the environment.
• Strong hands-on on AWS cloud services like EC2, S3, RDS, ELB, and EBS for installing, configuring.
• Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.
• Utilize Cloud Formation and Puppet by creating DevOps processes for consistent and reliable deployment methodology.
• Performed Build/Release/SCM engineer duties.
• Implemented Puppet Master, Puppet Console and Puppet Agents, Create Puppet modules and Classes.
• Performed code line GIT pushes (releases) to production and customer servers and Developed and improved GIT push scripts.
• Written chef cook books and recipes to Provision several pre-prod environments consisting of Cassandra DB installations, web logic domain creations and several proprietary middleware installations.
• Involved in writing Python, Perl and shell scripts for compilation and deployment process.
• Automated the cloud deployments using chef, python (boto & fabric) and AWS Cloud Formation Templates.
• Used Gradle and written python scripts to automate the Build and deployment process. Used maven for few modules.
• Working on SAST and DAST tools for secure code reviewing and to find potential vulnerabilities.
• Experience in writing ansible scripts.
• Used Ansible for configure tomcat servers and maintain.
• Worked on Virtualization of build and SCM environments.
• Performed SCM-guru tasks including branching, merging, server recovery, permission handling.
• Building pipelines in Jenkins while also fully scripting the creation and provisioning of Jenkins.
• Scripting infrastructure and (Linux) machine provisioning from scratch using tools such as bash and the Ruby AWS-SDK.
• Collaborate in the automation of AWS infrastructure via terraform, ansible, and Jenkins - software and services configuration via chef cookbooks.
• Worked in DevOps group running Jenkins in a Docker container with EC2 slaves in Amazon AWS cloud configuration.
• Also gain familiarity with surrounding technologies such as Mesos (Mesosphere) and Kubernetes.
• Worked with the development team to generate deployment profiles (jar, war, ear) using ANT Scripts and Jenkins.

Environment: AWS, Jenkins, Java/J2EE, MAVEN, Perl Scripts, JIRA, Subversion, Shell Scripts, UNIX, Tomcat Application servers.

Confidential

Linux Administrator

Responsibilities:

• Implement, maintain and support reliable, timely and reproducible builds for project teams.
• Worked as a Systems Administrator on Red Hat, CentOS and Ubuntu (6.06,7.04).
• Worked on Applying patches, installed monitoring tools and upgraded BIOS on HPC Clusters.
• Scheduled users to perform High Performance Computing activities on the Linux Cluster.
• Created users and groups and assigned them appropriate quotas and ACLs as per company requirement.
• Experience managing and tuning MySQL and writing SQL scripts.
• Identified and solved any issues or errors.
• Installed and configured Nagios monitoring tool to manage infrastructure.
• Applied patches and supported Linux Servers with Oracle Database servers.
• Worked on Kernel tuning and Kernel patching.
• Monitored System Performance, Tuned and optimized systems for better performance.
• Managed Disk using LVM, resized disk space when required. Managed disk space from NetApp filers.
• Setup NTP server and synchronized clients with NTP server.
• Troubleshoot application problems by diagnosing issues.
• Provided 24/7-support coverage, pager support and weekend support.

Environment: MySQL, Shell Scripts, SQL Scripts, Oracle Database, Kernel, Ubuntu, Linux Cluster

Confidential

Build & Release Engineer

Responsibilities:

• Worked in Installation, Migration, Integration, Implementation, Release and building of products.
• Maintained and executed build scripts using Maven by coordinating with development and quality assurance teams in Linux Environments.
• Administered Jenkins, Proposed and implemented branching strategy suitable for agile/scrum development in a Fast Paced Engineering Environment.
• Have worked on packaging NodeJS applications.
• Created and maintained SVN repositories including Branching, tagging and merging.
• Developed private NPM repository.
• Worked on Front end automation testing for Admin Portal using Selenium.
• Managed product baselines, and assisted users to merge streams.
• Created customized plugins for Jenkins.
• Provided support to developers in writing configuration-specs.
• Developed numerous Tools in bash and python to automate the build and release processes.
• Demonstrated expertise with data extract and query tools (SQL/Oracle).
• Developed REST web service using Jersey Core and Hibernate.
• Knowledge in J2EE/.NET build/packaging, good communication skill, experience of working between offshore/onshore
• Have worked on Tuning of JBoss AS and its JMX console.
• Developed Maven scripts to support multiple OS and Application servers.
• Modularized unstructured Maven scripts and utilized properties file for reducing the complexity and making it more manageable.
• Debugged performance related issues with Maven scripts and helped improved the build process.
• Developed Administration Console for JBoss AS using Clamshell-CLI.
• Edited Maven mirror settings in m2/settings.xml to configure Maven to have Nexus as a repository.
• Created and managed of all source code repositories, management security model, backup / restore of the source code repositories, and upgrading the version control system
• Implemented Jira with Maven2 release plugin for tracking bugs and defects
• Own the creation of builds and coordinate the creation of source-code tags and branches with development groups
• Designed CM processes and policies with approval from development and other affected teams.
• Administered SVN repositories and managed account administration, branching, merging, patch fixes and snapshots.