MOHAN K

DevOps/AWS Engineer

980-***-****

ac2ppi@r.postjobfree.com

Professional Summary

Around 9 years of overall IT experience in various roles like AWS Cloud Engineer, Developer, DevOps Engineer, Build and Release Engineer, Linux Admin etc.

Experienced in Infrastructure Development and Operations involving AWS Cloud platform like EC2, EBS,S3,VPC, RDS, SES, ELB, Auto scaling, Cloud Front, Cloud Formation, Elastic Cache, Cloud Watch, SNS, AWS Import / Export.

Expertise in Azure infrastructure management (Azure VM’s, ARM Templates, SQL Azure, Azure Storage, Azure AD, WebApps, Logic Apps, Key Vault, Automation, DSC).

Experienced in deploying Azure IaaS virtual machines (VMs) and cloud services (PaaS role instances) into secure VNets and Subnets.

Experienced in Configuration Management, Build Engineering, Release Management and Automation by using DevOps tools for entire life cycle models in Enterprise Applications.

Solid experience of working with all phases of Software Development Life Cycles in Waterfall, Agile methodology and Scrum.

Experienced in setting up databases in AWS using RDS, storage using S3 buckets and configuring instance backups to S3 buckets.

Excelled in creating AMI (AWS Machine Images) that utilizes ELB (Elastic Load Balancer) and Auto Scaling.

Hands on experience with AWS-CLI to suspend an AWS Lambda function and to automate backups of ephemeral data-stores to S3 buckets, EBS.

Experienced in designing Azure Resource Manager(ARM) Templates and in designing custom build scripts using PowerShell.

Extensive experience using ANT, MAVEN, Gradle, TeamCity, VSTS as a Build Tools for building deployable artifacts such as (jar, war & ear) from source code .

Extensively worked on Jenkins, VSTS for continuous integration and for end-to-end automation of all build and deployments.

Experienced in working with automation tools like CHEF, PUPPET and ANSIBLE.

Developed Cookbooks with Recipes, Resources and Run lists, managed the Chef Client nodes and uploaded the Cookbooks to chef-server from Workstation and managed Chef Server in pushing the configuration changes to client nodes, monitoring the logs and security.

Worked on installation and configuration of Puppet PE. Installed Puppet Master and configured multiple Nodes to Master.

Worked on modules from Puppet Forge and redesigned those based on client’s requirements.

Experienced in setting up Octopus to facilitate Dev/QA teams with automation of build and deployment process.

Developed Playbooks using Ansible to deploy consistent infrastructure code across multiple environments.

Extensively used Docker for virtualization, Ship, Run and Deploy the application securely to fasten the Build/Release Engineering.

Expert with Docker components like Docker Engine, Hub, Machine, creation of Docker images, Compose, Docker Registry and handling multiple images primarily for middleware installations and domain configurations.

Handled large volumes of containers with Docker Swarm, Kubernetes, and Mesos.

Strong experience in writing Python, Shell, PowerShell and Perl scripts to automate the deployments.

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

Expertise in Source Code Management and repository tools like Tortoise, SVN, GIT, Code Commit, Nexus and TFS.

Experienced in trouble shooting, configuring and deploying enterprise applications in Web Sphere, Web Logic and Tomcat, JBoss as well.

Expertise in administering and deployment of Sun Solaris, Red Hat (Linux) & AIX servers via VMware.

Experience with monitoring tools like Nagios, Splunk, Graphite, New Relic and Zabbix.

Extensively worked with Service Management tools like BMC Remedy, Rally, JIRA and used these for tracking, reporting and managing bugs.

Very good knowledge on compiled languages like C, C++ and JAVA led to work with Developers and Analysts to address project requirements. Able to effectively manage time and prioritize multiple projects.

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

Self-motivated, quick learner, able to take independent responsibility to contribute for team.

Technical Skills

Operating systems : Windows Vista/7/8/10, LINUX, FEDORA, CENT OS, RHEL,

Windows Server 2000/2003/2008.

Programming Languages : C, C++, Python, PowerShell, Perl, Shell, Ruby, SQL, Java/J2EE.

IDE : Eclipse, WordPress, MySQL Workbench, TOAD, Visual Studio.

Build Tools : ANT, MAVEN, TeamCity, MAKE, Gradle.

Databases : Oracle, MYSQL, SQL, IBM DB2, MongoDB.

Web Servers : Web logic, IIS, Web Sphere, Apache Tomcat, JBOSS.

Version Control System : GIT, TFS, SVN, ClearCase, Perforce, CVS, Tortoise.

Tracking tools : JIRA, Rally, ServiceNow, Remedy, Clear Quest, Bugzilla.

Repositories : SonaType Nexus, Artifactory, NuGet, Chocolatey.

Monitoring Tools : Nagios, Zabbix, Graphite, Splunk.

CI/CD Tools : Jenkins, TFS, VSTS, Vagrant, Docker, Octopus, UDeploy.

Configuration Tools : Chef, Puppet, Ansible, Terraform.

Cloud Services : AWS, Microsoft Azure, Open Stack, CA Virtualization.

Other Tools : Barracuda WAF, Confluence, SolarWinds

Professional Experience

Intellinet, Charlotte, NC. Feb 2018 – Till Now

End Client: CCBCC

Cloud/DevOps Engineer

Responsibilities:

Work on CIRRUS project migration from Mainframe SAP to Azure PaaS.

Developed strategies for cloud migration, implemented best practices and helped to develop backup and recovery strategies for applications and database on virtualization platform.

Migrate SharePoint from on-prem to Azure cloud as PaaS.

Build VM’s with Vanilla images using ARM templates.

Use Azure DSC for configuring nodes triggered with ARM templates on automation account.

Scale WebApps using Azure Load Balancer for high availability and configure with Puppet.

Configure nodes using Puppet with IIS services.

Provide VM’s for Non-Prod/core upon service requests for Dev/QA using Puppet.

Design and Implementation of Firewall appliances (Barracuda WAF) in Azure and configure the same for IDS/IPS and to establish VPN connections.

Manage inbound, outbound traffic and Firewall using Barracuda WAF for web applications.

Bind SSL certs to WebApps using PowerShell and retrieve/store certs in Azure Key Vault.

Manage CI environment with GIT as source control management tool.

Worked on automating PowerShell scripting for IIS deployments and automation activities.

Manage nodes and containers using SolarWinds for packet loss issues and health checks.

Use Jira as Application Lifecycle Management(ALM) and Jira Confluence for workflow management.

Use Jira as SCRUM/Kanban board management for issue tracking, project management and ServiceNow for service requests.

Share documents and projects status reports regarding builds, environments, version control on SharePoint.

Environment: Azure, Puppet, VSTS, JIRA, Confluence, ServiceNow, SharePoint, GIT, Barracuda WAF, PowerShell, ARM Templates, Azure Key Vault, Logic Apps, SonaType Nexus OSS, IIS, NuGet, Docker, Vagrant, VMWare, SolarWinds, Azure SQL, RHEL.

Intellinet, Charlotte, NC. Jul 2017 – Feb 2018

End Client: AvidXchange

DevOps Engineer

Responsibilities:

Work on ARM templates to provide infrastructure as code for Future state for IaaS services.

Provide high availability for IaaS VMs and PaaS role instances for access from other services in the VNet with Azure Internal Load Balancer.

POC on integrating Puppet with ARM templates using Azure AD services with a self-service portal.

Work on cross-platforms like Windows and RHEL with TFS, GIT.

Configure nodes using Puppet with RabbitMq services and provide RabbitMq clusters.

Configure VM’s for Dev/QA environments using Puppet, Octopus, RabbitMq and Redis.

Manage CI environment with GIT as source control management tool.

Use TFS as Application Lifecycle Management(ALM) and administer TFS for legacy applications.

Develop GIT branching and merging strategy for feature and release branches.

Administration of builds using TeamCity from code commits on both TFS and GIT.

Work on Nexus for internal repository management and NuGet package explorer.

Use Chocolatey as package manager for installing packages, tools, applications and services DEV/QA/PROD servers.

Use Octopus Deploy with VSTS for deploying builds to various QA/PROD environments.

Application deployment on IIS web servers using Octopus in windows environment

Worked on automating PowerShell scripting for IIS deployments and automation activities.

Setup Octopus tentacle on Puppet master configuration and puppet nodes for deployment automation.

Spinning up VM’s using Vagrant for sandbox testing.

Use Rally, ServiceNow as SCRUM management tool for issue tracking and project management.

Share documents and projects status reports regarding builds, environments, version control on SharePoint.

Environment: Azure, Puppet, Octopus, Rally, GIT, TFS, TeamCity, ServiceNow, RabbitMq, Redis, PowerShell, ARM Templates, SonaType Nexus OSS, IIS, NuGet, Docker, Vagrant, VMWare, Chocolatey, MySQL, RHEL, Hiera, SharePoint.

ALLY BANK, Charlotte, NC. Jan 2017 – Jul 2017

AWS Engineer

Responsibilities:

Administration, build and maintenance of the available secure multi-zone AWS cloud infrastructure by using the configuration tool Ansible with AWS Cloud Formation and Jenkins for continuous integration.

Create and launch Amazon EC2 Instances using Amazon images (Linux) and configure the launched instances with specific applications.

Work with AWS services like Glacier, ELB (Elastic Load Balancer), RDS, SNS, SWF, Lambda, IAM and hands on experience with Amazon Web Services (AWS) provision.

Design roles and groups using AWS Identity and Access Management (IAM).

Create, delete and manage user accounts that are used to interact with AWS and setup their ACL’s with Amazon IAM.

Backup database instances periodically by using S3 to save snapshots of data.

Move application logs to S3 by using cloud watch logs and create alarms raised by applications.

Manage Linux, VMware and AWS/VM’s.

Manage Amazon Redshift clusters such as launching the cluster and specifying the node type as well.

Manage DNS zones with the usage of Route 53 and gave public DNS names to elastic load balancer ip’s.

Transfer of data from Data centers to cloud using AWS Import/Export Snowball service.

Scripting infrastructure and (Linux) machine provisioning from scratch using tools such as bash and the Ruby AWS-SDK.

Design & implement the Virtual Private Cloud (VPC) service for increase of customers on premises data center with AWS Cloud utilizing VPC and VPN and direct connect services.

Deploy, scale web applications and services developed with Java, PHP, Node.js, Python, Ruby and Docker on familiar servers like Apache with the help of AWS Beanstalk.

Integrate with Jenkins for CI/CD pipeline with GIT.

User management with build tools Maven to create JAR, WAR, EAR.

Install Jenkins on Linux machine and create a master-slave configuration to implement multiple parallel builds through a build farm.

Experienced in automated deployment (Terraform, AWS cloud formation), and serverless architecture AWS lambda and AWS services.

Wrote the PowerShell scripts to automatically restart the UDeploy agents on LINUX machines.

Integrated Jenkins with UDeploy and created UDeploy components, UDeploy process, installed UDeploy agents on both Windows and Linux machines according to application team requirements.

Use SonaType Nexus to store, organize the Artifacts.

Hands on with Ansible to configure and deploy automated tasks to many servers at once.

Write Ansible Playbooks, Modules to automate installation of Middleware infrastructure like Apache tomcat, JDK and configuration tasks for new environments etc.

Used file module in Ansible playbook to copy and remove files on remote systems.

Work with DevOps practices by AWS, Elastic Bean Stalk and Docker with Kubernetes.

Work with several Docker components like Docker Engine, Docker-Hub, Docker-Compose, Docker Registry and Docker Swarm.

Environment: AWS, EC2, S3, VPC, VPN, VM’s, Glacier, ELB, RDS, SNS, SWF, IAM, Route 53, Redshift, AWS Cloud Formation, Linux, Terraform, GIT, Maven, Jenkins, Sonar, Docker, Kubernetes, UDeploy, Apache, Tomcat, Ansible, Ruby, Nexus.

USAA, SAN ANTONIO July 2015 – Dec 2016

AWS Cloud Engineer

Responsibilities:

Participated in the release cycle of the product, which involves environments like Development, test, QA and UAT.

Develop Cloud Formation scripts to automate EC2 instances creation for multiple applications

Create S3 buckets and manage policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS.

Creating Cloud Watch alerts for instances and using them in Auto-scaling launch configurations.

Create an AWS RDS, MySQL DB cluster and connected to the database through an Amazon RDS MySQL DB Instance using the Amazon RDS Console.

Bootstrapping instances using Chef and integrating with auto scaling.

Manage the configurations of multiple servers using Chef.

Perform biweekly build cycle and testing processes.

Develop Maven Scripts to automate the build process.

Install Nexus and use it as Private Repository Manager with in the company.

Create and setup the entire Chef Infrastructure and create Wrappers on top of Chef Knife tools as per requirements.

Automate the provisioning of test and production infrastructure in AWS using tools like Terraform and Chef.

Created scripts using Terraform modules to deploy ELB, and EC2

Install and Configure Jenkins for CI/Automation tool.

Responsible for User Management, Plugin Management and END-END automation of Build and Deploy using Jenkins on Tomcat servers.

Experience in installation, configuration administer Monitoring tools such as Nagios.

Process monitoring and debugging using tool called Nagios.

Develop Shell and Perl Scripts for manual and automated deployment of the code to the different environments and E-mail the team when the build is completed.

Manage and perform the environment related configuration changes as a part of deployment.

Maintain and coordinate environment configuration, controls, code integrity, and code conflict resolution.

Analyze and Convert ANT scripts to MAVEN to standardize the procedures.

Managed the artifacts generated by Maven and Gradle in the Nexus repository.

Integrate builds with Code Quality Tools like Cobertura, PMD and Findbugs.

Associate in implementing SonarQube code quality analysis tool for the code.

Support and develop tools for integration, automated testing and release management.

Coordinate Release effort amongst various teams (Dev, QA, DBA and Business Analysis) in geographically separated environment.

Environment: AWS, Subversion (SVN), CHEF, Jenkins, Terraform, Java/J2EE, ANT, MAVEN, Cucumber, Gherkin, Cassandra, TC Server, Tomcat, Ruby Scripts, Shell Scripts, XML, Data Center, UNIX, Windows 7, Oracle, ServiceNow, Nagios.

MindTree, San Jose, CA Dec 2012 – April 2015

DevOps Engineer

Responsibilities:

Work on application Deployments & Environment configuration using Chef.

Manage virtual machines using VM ware, Oracle Virtual box, Docker.

Create Chef cookbooks for sudo users and network configurations using Chef Server

Maintain automated environment using Chef Recipes and cookbooks.

Primarily use Ruby to write Chef Recipes.

Install, configure and administer Jenkins for Continuous Integration and deployment into different Web/ Application Servers.

Implement the setup for Master slave architecture to improve the Performance of Jenkins.

Develop build and deployment processes for Pre-production environments.

Managing GIT repositories for branching, merging, and tagging.

Worked on User administration setup, maintaining account, monitor system performance using Nagios.

Monitoring of Linux servers and applications via Nagios.

Develop build scripts using MAVEN as the build tools for the creation of the build artifacts like war/jar or ear files.

Involved in development of a java-based utility which helps in migrating the ANT build file to Gradle build file.

Virtualize the servers using the Docker for the test environments and dev-environments needs. And, configuration automation using Docker containers.

Develop Python, Shell and Ruby Scripts for automation and monitoring purpose.

Manage branching and Merging in a multi-project environment.

Responsible for the development and maintenance of processes and associated scripts/tools for automated build, testing and deployment of the products to various developments.

Responsible for the Plugin Management, User Management, Build/Deploy Pipeline Setup and End-End Job Setup of all the projects.

Work on SQL queries across multiple database and applications.

Perform Database Tasks as executing DML’s in MySQL.

Manage email (Postfix and Send mail), LDAP and Oracle services.

Use JIRA as a ticket tracking, change management and Agile/SCRUM tool.

Participated as an active member of Change Control Board in Production Readiness process.

Worked with JIRA for Issue Tracking and monitoring.

Skilled to Write, debug, maintain scripts in Shell, Perl etc.

Evaluate and implement internal and third-party tools for appropriateness, ease-of- use, scalability, robustness

Experienced with release engineering, build or configuration management in Jboss web application environment.

Worked with the Architects on SDLC process being the owner of post development environments

Develop and implement the software release management for the release of web applications.

Environment: C++ and Java/J2ee, ANT, GIT, Linux, Shell, Nagios, Hudson, Apache Tomcat, nexus, JIRA, SQL Server, Chef.

TechAdvaita, Hyderabad, AP. Sept 2011 – Nov 2012

Build and Release Engineer

Responsibilities:

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

Application of automations tools like Chef, Puppet, DevOps based on the requirements.

Deployment and implementation of Chef for infrastructure as code initiative.

Performed the automation using Chef Configuration management.

Involvement in Chef-infra maintenance including backup/monitoring/security fix and on Chef Server backups.

Use ANT as build tool on Java projects for the development of build artifacts on the source code.

Work with Knife command-line tool and creating Cookbook.

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 Coordinate Product Releases, work closely with product development, QA, Support across global locations to ensure successful releases.

Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using Amazon EC2, Chef, and custom Ruby/Bash scripts

Management of the VMware vSphere Environment using Chef.

Integrate the code quality analysis tools like Cobertura, Find Bugs, JUnit, PMD, and Checkstyle into the projects.

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

Work with JIRA for Issue Tracking and monitoring.

Develop automation framework for Application Deployments to the cloud environments.

Manage and optimize the Continuous Delivery tools like Jenkins.

Installation, Configuration, Administration of Hudson/Jenkins Continuous Integration Tool.

Automate Continuous Build and Deploy Scripts for Hudson/Jenkins Continuous Integration tool.

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

Develop ANT and MAVEN Scripts to automate the build process.

Provide ANT build script for building and deploying the application.

Integrate automated build with Deployment Pipeline. Install Chef Server and clients to pick up the Build from Jenkins repository and deployed in target environments (Integration, QA, and Production).

Provide stable build environments for product development.

Automate the cloud deployments using chef, Python (boto & fabric) and AWS Cloud Formation Templates.

Administer and Support UNIX Servers including SUSE, Solaris, HP-UX & Red Hat Linux and Centos.

Environment: Java, Eclipse, Toad, Git, Docker, Tomcat, Apache, Oracle 12c, Jenkins, Python, Ruby Chef, JIRA, Maven, VMware vSphere, Art factory, Ubuntu, CentOS, Linux, AWS, AWS Cloud Formation Templates, Cassandra, AWS RDS, AWS Cloud Watch, Ruby, Chef-solo/server, Nagios.

Razorsight software, Hyderabad, India June 2010 – Sept 2011

LINUX ADMIN

Responsibilities:

Create and manage user accounts.

Monitor application process.

Responsible for installation and maintenance of Solaris, Red Hat and IBM AIX servers.

Setup J2EE environment, install, configure, tuning and support Weblogic, JBoss, Tomcat and Apache server for test and production environment.

Administer accounts for individual and corporate users.

Troubleshoot user logins using Telnet.

Perform security administration and monitored job processes using associated commands.

Monitor client disk quota.

Administered file system security.

Upgrade server memory and configured page file.

Execute scripting in production environment.

Administer tools for Repository creation and maintenance of accounts using tool environment for non-global zones.

Configure SPARC servers.

Perform patch administration.

Schedule jobs using CRONTAB and AT Utility and write shell scripts to automate system process.

Examined log activity.

Documenting of Linux, Windows environment and configuration details including documentation of solutions for any issues that have not been discovered previously.

Setup Firewall rules.

Deploy applications in clustered environments.

Recommend and implement solutions to identified security exposures.

Environment: Solaris 8/9/10, Red Hat Linux 4/5, NAGIOS, Korn Shell, Bash Scripting, LDAP directory, Active Directory, BEA Web logic servers, AN Switches, Apache, Tomcat WebSphere, WebLogic application server.

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