SUMMARY:

• 10+ years of IT experience encompassing DevOps, Cloud Infrastructure Management, Build Automation and Management, Software Configuration Management, Release Management, Continuous Integration and Continuous Delivery.
• Software Development and Maintenance experience in Oracle Demantra Demand Management, Demantra Sales and Operations Planning, and Oracle Applications R12
• Excellent knowledge and understanding for use, deployment and management of AWS services such as EC2 Containers, S3, ELB, RDS, Route53, Auto - Scaling, Cloud Formation, Cloud Watch, VPC, IAM, Code Commit, Elastic Bean Stalk, Cloud Trail, API Gateways, AMI’s, Snapshots etc.
• Experience in migrating on premise Datacenter workloads to Amazon web Services (AWS).
• Experience in working on source control tools like Subversion (SVN), GIT and managed Branching/Tagging/Merging/Rebasing.
• Extensively worked on Jenkins, Hudson for continuous integration and for End to End automation for all build and deployments.
• Experience in writing Jenkins DSL pipelines using the groovy code.
• Experience in using MAVEN and ANT as a Build Tools for the building of deployable artifacts from source code.
• Experience in deploying the code through web application servers like Apache Tomcat and JBOSS.
• Experience in using Nexus and Artifactory Repository Managers for Maven and Ant builds.
• Experience in Code Quality Analysis Tools like SonarQube.
• Experience in Container orchestration using Kubernetes, Docker Swarm.
• Expertise in writing Chef/Ansible cookbooks/Plyabooks to automate Infrastructure as a code.
• Experience in architecting and deploying of fault tolerant, highly available, cost effective and secure servers in AWS.
• Performing system administration activities including installation, system monitoring, configuration and troubleshooting performance related issues.
• Managed environments DEV, TST and UAT for various releases and designed instance strategies.
• Configured, Managed Monitoring Tools such as Nagios, Splunk for Resource Monitoring, Network Monitoring, Log Trace Monitoring.
• Expertise in UNIX shell scripting and python scripts used to automate day to day administrative tasks.
• Experience in administrating, deploying and managing RedHat, Ubuntu, CentOS and Windows servers.
• Experience in Virtualization technologies VMWare, Virtual box, for creating virtual machines and provisioning environments.
• Experience in JIRA and HP Quality Center for tracking and updating project defects and tasks
• Worked with multiple databases like DynamoDB, ORACLE.
• Expertise in Oracle SQL and PL/SQL
• Experience in Oracle Applications and Oracle Demantra
• Experience in ticketing tools like Service Now and PPM
• Good trouble shooting knowledge and Proven strength in debugging, problem solving, Coordination and analysis

TECHNICAL SKILLS:

• Configuration Management Ansible, Chef
• Continuous Integration Jenkins
• Version Control Tools GIT, SVN
• Build Tools Maven, ANT
• Cloud Platforms AWS
• Package Management Nexus, Artifactory
• Code Quality Analysis Tools SonarQube
• Bug Tracking Tools JIRA, Bugzilla, HP Quality Center
• Ticketing Tools ServiceNow, PPM
• Monitoring Tools Nagios
• Visualization Docker and Kubernetes
• Operating Systems Linux, Ubuntu, CentOS, Windows and Unix
• Databases Oracle, DynamoDB, MySQL
• Programming Languages C, JAVA, SQL, PL/SQL, Shell Scripting, Python
• Web/Application Servers Apache Tomcat, JBOSS, Web logic
• ERP Oracle Applications 11i & R12
• Forecasting Tools Oracle Demantra

PROFESSIONAL EXPERIENCE:

Confidential, San Jose

Lead DevOps Engineer

Environment: Maven, Jenkins, Shell Script, Python, GIT, AWS, Linux, DockerNagios, SonarQube, Ansible, JIRA, Ansible, Oracle11g

Responsibility:

• Implementing AWS solutions using EC2, S3, RDS, Dynamo DB, EBS, and Elastic Load Balancer, Auto scaling, SNS, Cloud Trail, Cloud Formation, IAM, Route 53, Cloud Watch, Lambda etc.
• Creating S3 buckets and managing policies for S3 buckets for storing static websites, logs, build artifacts, snapshots and creating a snapshot of an EBS volume and stores it in Amazon S3.
• Working on creating of custom Docker images, tagging and pushing the Images and creating the Docker containers.
• Create and maintain thousands of virtual machines and containers using Docker and UNIX skills.
• Developing scripts for build, deployment, and maintenance of tasks using Shell/Python/JSON for automation purpose.
• Used MAVEN as build tools on Java projects for the development of build artifacts on the source code.
• Used Maven to perform daily and weekly Software Builds.
• Created various modules and Manifests in Ansible to automate various applications
• Implemented a Continuous Delivery framework using Jenkins, Ansible, Maven in Linux environment
• Implemented virtualization using VMware in Linux
• Responsible for monitoring servers, applications and switches using Nagios.
• Installing and setting up Oracle11g on Linux for non-prod environments
• Working on Jenkins for deploying the application in DEV and TST environments. Involved in Continuous Integration with Jenkins.
• Working on Nagios for the monitoring the performance of the servers.
• Working on configuration management tools like Ansible
• Having experience on CI/CD pipeline to automate the deployments
• Implemented and designed AWS virtual servers by Ansible Playbooks to ensure deployment of web applications.
• Maintained and developed infrastructure using Ansible, Jenkins and AWS tools.
• Used Ansible Tower, which provides web-based interface to execute playbooks easy
• Worked on Ansible Playbooks and Ansible Tower to automate repetitive tasks, to deploy critical applications quickly, and proactively manage the changes.
• Collaborate in the automation of AWS infrastructure via Ansible, and Jenkins - software and services configuration via Ansible Playbooks.
• Initiated responsibility for administering the SVN and GIT servers which included install, upgrade, backup, adding users, creating repository/branches, merging, performance tuning, troubleshooting issues and maintenance.
• Created Jobs in Jenkins by setting up global permissions and scheduling jobs using web hooks.
• Migrated legacy applications to a repeatable Continuous Integration platform.
• Configured Jenkins as a CI engine to build and promote applications to QA, UAT environments.
• Installed and configured Jenkins for Automating Deployments and providing a complete automation solution.
• Maintained JIRA for tracking and updating project defects and tasks.
• Experienced in installing SonarQube and integrate with Jenkins to see the code quality and vulnerabilities.
• Worked in a group running Jenkins in a Docker container with EC2 slaves in Amazon AWS cloud configuration. Also gain familiarity with surrounding technologies like Kubernetes.

Confidential, San Diego

Lead DevOps Engineer

Environment: Maven, Jenkins, Shell Script, Python, GIT, AWS, Linux, Docker, Nagios, SonarQubeChef, JIRA

Responsibility:

• Designed, configured, and managed public/private cloud infrastructures utilizing Amazon Web Services (AWS) including EC2, Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer, Cloud Watch and IAM.
• Created various branches in GIT, merged from development branch to release branch, created tags for releases.
• Configured various Jenkins jobs to continuously integrate the processes.
• Created S3 buckets and managed policies for them and utilized S3 buckets for backup on AWS.
• Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Developed scripts for build, deployment, maintenance and related tasks using Jenkins, Docker, Maven, Python and Bash.
• Used Chef to manage Web Applications, Commands, Users, and Packages.
• Built and managed a large deployment of Ubuntu Linux instances systems with Chef Automation and written recipes, tools, shell scripts, and monitoring checks.
• Used Docker and Docker Compose to create cluster of Microservices.
• Monitoring CPU, memory, physical disk, Hardware and Software RAID, multipath, file systems, network using NAGIOS monitoring.
• Experienced in writing Shell Scripts in Bash and Cron tab in Linux to automate the tasks.
• Application and System Level Trouble shooting on Linux based Servers.
• Experienced in installing SonarQube and integrate with Jenkins to see the code quality and vulnerabilities.
• Maintained JIRA for tracking and updating project defects and tasks.

Confidential, San Diego

Release Engineer

Environment: Ant, Maven, WebLogic, Nexus, Tomcat, Jenkins, Shell Scripting, Linux / windows OSSonarQube

Responsibility:

• Participated in Weekly Release Meetings with Technology Stakeholders to Identify and Mitigate potential risks associated with the Releases.
• Imported and Managed Multiple Corporate Applications into Subversion (SVN).
• Deployed the Java Applications into Web Application Servers like Apache Tomcat.
• Executed User Administration and Maintenance Tasks including Creating Users and Groups, Reports and Queries.
• Worked as a System Administrator for the Build and Deployments Process on the Enterprise Server.
• Developed and Supported the Software Release Management and Procedures.
• Responsible for Design and Maintenance of the GitHub Repositories, Views, and the Access Control Strategies.
• Performed Version Control Subversion Checkouts via Shell Scripts.
• Used ANT and Maven as a Build Tools on Java Projects for the
• Development of Build Artifacts on the Source Code.
• Automated the Build and Release Management Process including
• Monitoring Changes between Releases.
• Deployed Java Applications into Web Application Servers like WebLogic.

Confidential

Build & Release Engineer

Environment: Git, Maven, Jenkins, Tomcat, Apache, Shell script, Ruby, Chef, Artifactory

Responsibility:

• Developed installer scripts using Ant, Python and UNIX for various products to be hosted on Application Servers.
• Troubleshoot Build and Deploy Issues, with little downtime.
• Organize and Co-ordinate Product Releases work closely with product development, QA, Support across global locations to ensure successful releases.
• Implemented Chef to deploy the packages for Dev, QA and Production.
• Build scripts using ANT build tools in Jenkins to move from one environment to other environments.
• Install, Configure and Administer Hudson/Jenkins CI/CD Tool.
• Implemented Continuous Integration and Continuous deployment using various CI Tools like Jenkins, Bamboo, and SonatypeNexus.
• Parse the Application and System logs using Python and PowerShell for all business applications to proactively monitor and trace errors with automated email alerts to various teams internally.
• Automated Continuous Build and Deploy Scripts for Hudson/Jenkins Continuous Integration tool.
• Work with application development and operation teams using a variety of automated testing and build, and deploy tools (Maven, Ant, Nexus, Jenkins, SVN and JUnit) to resolve issues with transition to new DevOps solution.
• Branching, Tagging, Release Activities on Version Control Tools like SVN and GIT.
• Documented release metrics, software configuration process.

Confidential

Oracle Demantra Techno-Functional Consultant

Environment: Linux, Oracle 11g, Tomcat, Oracle Applications R12, Oracle Demantra, SQL, PL/SQLToad, Shell Scripting

Responsibility:

• Gathering the business requirements and map with Demantra
• Design the solution for Demantra Demand Management and S&OP
• Provided custom solution for DM and S&OP process based on the business requirement
• Worked on the Demantra Integration with Oracle Applications R12
• Modified Demantra Data Model to change the weekly start day from Monday to Sunday, as Confidential ’s week start day was Monday
• Customized Demantra Levels to map with business requirement, renamed ‘Product Category’ level as ‘Product Family’, as business users want to see it as Product Family aggregation.
• Added new levels ‘Order Type’ and ‘Make Buy’
• NAFCCO has different departments and those are differentiated by Order Type, and as per business requirement Demantra data should be aggregated at Order Type level.
• In S&OP process, they want differentiate items as Make or Buy.
• Worked on Demantra custom hooks to pull additional level attributes
• As per the requirement, created different override and approval series for different users
• Like Demand Planner Override, Demand Planner Approval, Product Expert Override, Product Expert Approval etc.
• Created custom series for Ordered Quantity and Entered Quantity
• Created new users and user groups
• Created a new Integration Interface and a workflow to pull the Ordered and Entered quantity from source to Demantra
• Developed custom PL/SQL code to pull the Ordered and Entered quantity from Oracle EBS source instance to Oracle Demantra
• Modified existing PL/SQL code to bring the Order Type Information from Oracle EBS source instance to Oracle Demantra
• Involved in the Forecasting Cycle, to generate the forecast based on the previous history
• Provided user trainings to understand the Demantra core concepts and data processing
• Performed CRP tests at client location
• Prepared Test scripts and involved in Application Integration Testing and System Integration
• Worked on High Level Analysis (HLA) documentation
• Worked on MD50 and MD70 documentations
• Worked on TE040 documentation
• Worked on user training manuals
• Prepared setup document BR100
• Used PPM as ticketing tool

Confidential

Oracle Demantra Technical Consultant

Environment: Linux, Oracle 11g, Tomcat, Oracle Applications R12, Oracle Demantra, SQL, PL/SQLToad, Shel Scripting

Responsibility:

• Worked on Oracle Demantra Applications
• Developed customer Interfaces using PL/SQL programming
• Worked on Oracle ERP AOL concepts
• Involved in Development and Unit Testing
• Provided on-time Production support for day-to-day issues
• Provided SQL queries to Functional team to debug different issues
• Involved in different migrations
• Provided technical design documents (MD70), and test case documents (TE20)
• Worked on the Demantra Integration with Oracle Applications R12
• Worked on Demantra Series, Worksheets, workflows and Integration Interfaces
• Involved in the Demantra custom integration with EBS
• Created new users and user groups based on their roles and responsibilities
• Developed oracle PL/SQL stored procedures to export the forecast data from Demantra to MRP custom table