Pavan Kumar

510-***-**** acw5tc@r.postjobfree.com

SUMMARY

Responsible for working closely with Architects of DevOps and AWS. Turning the requirements into tickets and achieving them in allocated sprint times. Mentoring pair programming with other team members from other countries. Started working with automation in both windows and Linux with Ansible & CHEF and using the Terraform & Cloud formation for provisioning the infrastructure and updating it with fast changing requirements using Jenkins Pipelines Architecture from configuration Management to Provisioning and Testing the Infrastructure.

Creating new Ansible roles for various custom developed windows and Linux applications.

Creating Ansible playbooks for prebaking using packer into custom built and highly available cloud images and local virtual and VM boxes.

Testing the Ansible code using locally using vagrant and validating the package installation using Serverspec and Rake.

Creating power-shell scripts to target the windows AMI's in the AWS and install the windows packages headless and testing them.

Developing Playbooks and Cookbooks related to deployment and Configuration of oracle enterprise server and loading seed data using sql clients in automated way.

Writing the Vagrant files for launching the test instances in the virtual box

Writing server Spec to test the AWS resources created and validation. at multiple stages of Infrastructure provisioning.

CHEF Cookbooks for multiple environments and validating them locally.

prebaking the cloud images and creating local virtual box images for both cloud and local development operations.

Importing and exporting prebaked local boxes to cloud and repacking them.

Automation of the entire Provisioning Pipeline Process (PPP) of Configuration Management, prebaking and Provisioning with Jenkins and Simple Workflows.

SKILLS & INTEREST

Programming Languages: Python, Ruby

Operating System: Linux: CentOS 6/5, Ubuntu, Windows

Database Language: PostgreSQL, MySQL.

Cloud and Devops Tools: AWS, Chef, Puppet, Jenkins, Ansible, Docker, Vagrant, OpenStack, Terraform

Version Control: GIT, SVN

CMS: WordPress, Drupal

Monitoring Tools: Nagios, Splunk, Elk Stack

WORK EXPERIENCE

Rean Cloud - Devops Engineer May 2016 - Till date

Deploying, managing, and operating scalable, highly available, and fault tolerant systems on AWS

using EC2, ELBs, AutoScaling, etc.

Migrating an existing on-premises application to AWS.

Provisioning, operating, and maintaining systems running on AWS and Configuration management using Chef and Ansible.

Writing chef recipes for various applications and deploying them in aws using terraform.

Implementing and managing continuous delivery systems and methodologies on AWS using Jenkins, Code Deploy, Code Commit etc.

Provisioned monitoring, metrics, and logging systems on AWS using tools such as Splunk, ELK, Sensu .

Use Simulation tool Oracle virtual box and vagrant for Ansible code simulation locally for achieve agile method in automation.

Deploying a banking service platform in AWS through Ansible automation.

Perform daily health checks and maintain integrity of production environment support by proactively resolving services impacting incidents.

Experience scaling an application and/or its hosting environment to support increases in traffic

Provided managed services, on-call support to production systems and resolved all types of issues in

environment including AWS issues, and Linux/windows issues

Integration of Automated Build with Deployment Pipeline. Currently installed Chef Server and clients to pick up the Build from Jenkins repository and deploy in target environments (Integration, QA, and Production)

Implemented scheduled downtime for non-prod servers for optimizing AWS pricing.

Created proper documentation for new server setups and existing servers.

Developed installer scripts using Maven, Python for various products to be hosted on Application Servers

AWS GovCloud (US) is an isolated AWS region designed to host sensitive data and regulated workloads in the cloud, helping customers support their U.S. government compliance.

Worked on Cloud automation using AWS Cloud Formation templates.

Automated Continuous Build and Deploy Scripts for Jenkins Continuous Integration tool

Automated Cloud deployments using Chef, Python (boto & fabric) and AWS Cloud Formation Templates.

T-Mobile - DevOps Engineer Jan 2014 –April2016

Involved in provisioning various services using Puppet modules on the AWS cloud environment.

Build and maintain SQL scripts and execute different scripts for different environments.

Checking the database by writing the SQL Queries to check whether data is correctly storing in the data base or not. Checking the database catalog to get the information about the data type of the fields.

Ansible, Automation, Continuous Integration through Jenkins.

Ansible, Automation, Build Deployments, Continuous Integration through Jenkins and GO SDLC pipeline.

Actively involved in architecture of DevOps platform and cloud solutions.

Used chef for server provisioning and infrastructure automation in a SAAS environment.

Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using Amazon EC2, Chef, and custom Ruby/Bash scripts; maintained a farm of EC2 instances, ELB's and RDS.

Implemented Chef Cookbooks for OS component configuration to keep AWS server's template minimal.

Written Chef Cookbooks for various DB configurations to modularize and optimize end product configuration.

Implemented & building tools such as Maven in order to automate and enhance the overall operational environment.

Maintenance of source code in GIT. Created LABELS, and merged codes on GIT for QA testing and release.

Managed central repositories: Implemented Atlassian Stash along with GIT to host GIT central repositories for source code across products, facilitate code reviews and login audits for Security Compliance.

Designed & implemented backup strategy for critical systems like build machines, bug tracking, central repositories

ATOS - Linux/UNIX Administrator July 2008 – Dec 2013

Installed and configured Red Hat, Centos on remote servers and Desktop servers.

Installed patches and upgraded packages using RPM and YUM in Red hat Linux.

Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS and Apache.

Worked with developers to load software onto Linux Enterprise servers and also debugging Scripts.

Configured and connected to SSH through SSH clients like Putty and Cyber Duck.

Involved in spinning up the virtual machines on ESXI servers for testing purpose for developers using VMware.

Resolved TCP/IP network access problems for the clients. Develop, maintain, update various scripts (Shell, python, Bash) for services (start, stop, restart, recycle, cron jobs) UNIX based shell.

Involved in change management for scheduling changes on production & UA server using BMC Remedy Ticketing

EDUCATION

Wilmington University Delaware,

Master of Science in Computer Science

Relevant Coursework: Business Intelligence, Web and Data Security, Data Mining, Database Management, Algorithm Design and Analysis, Programming Languages

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