VIRINCHE MARWADI

Sr. DevOps, AWS Engineer

ac3z0v@r.postjobfree.com

330-***-****

PROFESSIONAL SUMMARY:

Over 8 years of I.T experience in infrastructure automation, code migration, configuration management and CI/CD lifecycle.

Extensive experience in Linux administration on RHEL, UBUNTU, Centos, and AIXVM ware sphere ESX/ESXI environment.

Expertise in setting up the traditional infrastructure on Amazon Web Services like EC2, S3 bucket, EBS, Security groups, ELB, Auto scaling and VPC services. Implemented Amazon IAM (Identity & Access Management) console to create custom users and groups.

Experienced in building REST APIs on SQL, Oracle (Relational) and NoSQL databases like MySQL, MongoDB and EMR.

Hands on experience in various Docker components like Docker engine, Hub, Machine, Compose and Docker Registry. Utilized Kubernetes for the run time environment of the CI/CD system to build, test and deploy in an open source platform.

Deployed and scaled web applications that are developed on programming languages such as Java/J2EE, .Net, PHP, Node JS, Python, Ruby, Go.

Experienced in writing the Chef Cookbooks and recipes to automate the installations and deployment tasks in Service Oriented Architecture (SOA). Experienced in setting up Chef Infrastructure, Chef Repo and boot strapping Chef Nodes.

Automated deployment activities in middleware environment which includes portal applications running on Java/AWS using Puppet master and Agent nodes.

Wrote Ansible Playbook with Python SSH as the wrapper to manage the configuration of AWS nodes and test playbooks on AWS instance using python. Run Ansible scripts to provision Dev servers.

Diversely experienced in DevOps tech stack like cloud automation using AWS on Linux Instances, Configuration Management using Docker, Chef and Puppet, automating pre and post deployment tasks like spinning up JVMS/Web servers using Shell/Power shell Scripts.

Administered Red Hat Enterprise Linux which includes installation, upgrading and loading patches on VMware virtualization systems.

Experience in migration of Linux logical volumes (LVM) from one server to another server using AWS snapshots. Enhanced RAID techniques and the creation of Disk groups and volumes using VERITAS Volume manager.

Implemented CI/CD in agile/scrum with tools like Bamboo, Jenkins and Hudson.

Managed and deployed various version control methodologies using tools like Subversion, GIT, MAVEN, ANT, and MS Build for building deployable artifacts from source code. Worked with different bug tracking tools like JIRA, HP Quality center, Clear Quest.

Collaborate with Enterprise infrastructure teams on driving automation across the stack from hardware, OS, Virtualization, Application Servers, Web Servers, Storage, Database and Networking.

Proficient with Shell, Python, Ruby, Perl, Power Shell, JSON, YAML, Groovy Scripting languages with the concepts of Azure and Open Stack Cloud based technologies.

Designed template stacks using Cloud Formation scripting to automate building the EC2, S3, Elastic Load Balancing, Auto Scaling, VPC using JSON files. Worked on setting up the life cycles policies to back the data from AWS S3 to AWS glacier.

Configured DNS health checks using Route 53 in the AWS cloud environment. Monitored logs and traffic using Cloud watch metrics for public/private instances defined in AWS VPC.

Experienced in designing, deploying and maintaining various multitude applications for data migration utilizing almost all AWS services stack including Elastic Cloud Compute EC2, RDS, EFS, Elastic Bean Stalk, Subnets, Security Groups, NACLS, Cloud Front, Red Shift, RDS, Key Management Service, Elastic Container Service (ECS), Cloud Formation scripting, Elastic Cache, SNS, Focusing on High Availability, Fault-Tolerance

Hands on experience in installing, configuring, testing and deploying applications on Apache Web server, Web logic, Web sphere, JBOSS. Knowledge on IP Networking, DNS, Load balancers. Worked with IP sec VPN tunnels and Citrix provisioning servers.

Experienced in setting up the network monitoring tools like Nagios and Amazon Cloud watch to monitor major metrics like CPU utilization, Network packets and Load balancer latency.

TECHNICAL SKILLS:

SCM Tools

GIT, SVN, ClearCase, Jenkins CI, Coverity, Gerrit, Code Collaborator, Valgrind.

CM Tools

Chef, Ansible, Puppet.

CI Tools

Jenkins, Hudson, Bamboo.

Virtualization

VMware, Citrix XenCenter.

AWS/Databases

Oracle, SQL Server, MySQL, DynamoDB, RDS, NoSQL.

Reporting Tools

Nagios, Cloud Watch, Cloud Trail.

Programming Languages

C/C++, Java/J2EE, C#.

Application Server

Web logic, Web Sphere, Apache, Tomcat, IIS, Jboss.

Cloud Platforms

AWS, OpenStack, Openshift

Scripting Languages

KSH, CSH, Bash, Python, Perl, Ruby.

Network Protocols

TCP/IP, SMTP, SOAP, HTTP/HTTPS, DNS, DHCP, NFS, SNMP, BGP, EIGRP.

Build Tools

ANT, MAVEN.

AWS Cloud Environment

EC2, Lambda, Simple Storage Service (S3), RDS, VPC, Cloud Front,, Cloud Trail, SES, Cloud Watch, Route53, Elastic Bean Stalk, Elastic Load Balancer, Elastic IP, Security Groups, RedShift, Auto-Scaling, IAM, Direct Connect, Glacier, SNS, SQS, Elastic Cache, Lambda, Cloud Formation Scripting, Snowball, Code Build, Code Commit, Code Pipeline, CLI, Auto Scaling, Mobile Hub

PROFESSIONAL EXPERIENCE:

DXC Technologies, Tallahassee, FL Nov 2016 – Current

Sr. AWS/DevOps Engineer

Responsibilities:

Created and configured AWS EC2 instances using preconfigured templates such as AMI, RHEL, Centos, Ubuntu as well as used corporate based VM images which includes complete packages to run build and test in those EC2 Instances.

Deployed Jenkins Continuous Integration tool by connecting to Linux EC2 Instance, downloaded and Installed Jenkins, then Installed AMAZON EC2 plugin to add AWS EC2 as a new cloud which allows new EC2 instances to be used as new Jenkins build slaves.

Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, SVN/GIT with Dev/Test/Prod Branching Model for weekly releases.

Rapid-Provisioning and Configuration Management for Linux/Unix, Windows using Chef and Cloud Formation Templates on Amazon Web Services.

Involved in Devops processes for build and deploy systems.

Deploying and managing applications in Datacenter, Virtual environment and Azure platform as well.

Working on Azure for highly available customer facing B2B and B2C applications.

Worked on functions in Lambda that aggregates the data from incoming events, then stored result data in Amazon Dynamo DB. This function also sends data to Amazon CloudWatch for simple monitoring of metrics.

Used Puppet to deploy ELK for automating continuous deployment (CD) and configured Slave Nodes and deployment failure reporting.

Good working experience with PowerShell 3.0 for installing windows features and roles and for automating monthly security patching.

Converted .Net application to Microsoft Azure Cloud Service Project as part of cloud deployment. Migrated SQL Server 2008 database to Windows Azure SQL Database and updating the Connection Strings based on this.

Used Terraform scripts to Automate instances for Manual instances that were launched before.

Extensive use of Elastic Load Balancing mechanism with Auto Scaling feature to scale the capacity of EC2 Instances across multiple availability zones in a region to distribute incoming high traffic for the application.

Created AWS IAM users with CodePipelineFullAccess, AmazonEC2FullAccess, AmazonS3FullAccess and AWSCodeDeployFullAccess, generated security credentials and provided those credentials to users to get AWS access.

Configured software and services using Ansible Playbooks. Ansible implementation to manage server and application installation and updates, saving hours off of each update cycle.

Added users to Identity access and management. Created S3 bucket to hold deployment files.

Designed data pipelines for loading network data in Elastic search for consumption with Kibana dashboard and graphs.

Built Docker development environments for corporate developers. They were working with vagrant and it was taking them up to three days to on board a new employee and get them working. I managed to reduced this to about 12 minutes, for a new environment.

Design and Implementation of a Docker Production Environment. Converted Corporate to a Docker Production Environment. Implementation of Docker, and various Docker orchestration tools such as docker-compose, docker swarm, boot2docker, Quay on –perm registry and various other management tools.

Rebuild of entire existing platform over Docker containers. New environment creation time reduced by over 4 hours, transition of entire development team over to Docker containers and CoreOS Docker cluster setup and management

Designed / developed distributed private cloud system solution using kubernetes (Docker weave) on CoreOS.

Dynamically adding and removing servers from AWS production environment, automating backups by shell for Linux/Unix to transferring data into S3 buckets.

Setting up the code review tool Gerrit with GIT and Integrated with CI system to help developers for peer code reviews & identified code issues at early in the cycle using code analysis.

Installed and configured AWS CLI in Linux and used command like AWS S3 mv and AWS S3 cp to create bucket and backup. Implementation of AWS CLI, Auto scaling and Cloud Watch Monitoring.

Used JIRA for ticket tracking, change management and Agile/SCRUM tool.

Performed deployment of tools and scripts in web servers in using chef configuration management tool.

Enabled HTTPD services in EC2 instances to have easy access from web. Performed Installation of Jenkins CI in some of the EC2 Instances.

Environment: AWS EC2, Jenkins CI, Elastic Load Balancing, Elastic Bean Stalk, Elastic Container Service, VPC, RDS, ECS, Cloud Front, Cloud Formation, Elastic Cache, Cloud Watch, Route 53, Redshift, Lambda and DynamoDB, Gerrit, GIT.

NorthWestern Mutual, Milwaukee, WI Aug2015 - Sept2016

Sr. AWS/DevOps Engineer

Responsibilities:

Initiated planning sessions for development and testing teams to simplify deployment activities.

Developed various test cases to ensure proper testing is performed across all corners of application post deployment.

Executed the automation from commit to deployment by implementing a CD pipeline with the help of Jenkins and Chef.

Expertise with all the aspects of Chef Concepts like Chef Server, workstations, Nodes, Chef Clients and various components like Kitchen.

Developed writing Chef Cookbooks using the components like attributes, files, resources and templates.

Advanced the automation for middleware installations and deployment activities by writing Chef Cookbooks and recipes.

Improved the virtualization for the servers using the Docker for the test environments and the dev. Environment needs.

Achieved Continuous Delivery in high scalable environment by Docker coupled with load balancing tool Nginx.

Wrote the Vagrant scripts to spin up servers on the developer work stations.

Created Vagrant windows and Linux boxes using Packer.

Maintained the interfaces and secure connections between Jenkins and CI/CD tools.

Configured jobs and pipelines using Jenkins.

Formulated in connecting continuous integration with GIT version control repository and continually build as the check-inn’s come from the developer.

Responsible for providing an end to end solution for hosting the web application on AWS cloud with integration to S3 buckets.

Supervised the DevOps team for infrastructure support on AWS cloud.

Designed a highly available secure multi zone AWS cloud infrastructure utilizing Chef with AWS Cloud Formation.

Responsible for managing UBuntu, Linux and windows virtual servers on AWS EC2 instance by creating Chef Nodes through Open Source Chef Server.

Maximized the through put between the CPU and drives and improved the performance of data processing with the help of Amazon Red shift.

Accelerated the Chef infra maintenance including monitoring and security fix and on Chef Server backups.

Launched and configured the Amazon EC2 Cloud servers using Linux AMI and Ubuntu AMI and configuring the servers for specified applications using Jenkins.

Implemented the automated Nagios in Ops environment for alerts and email notifications using Python script and executed them through Chef.

Enabled the Amazon Cloud watch to monitor major metrics like Network packets, CPU utilization and load balancer.

Utilized Amazon Elastic Block Storage which provides persistent block storage volumes for use with Amazon EC2 instances in the AWS cloud.

Enhancement of Amazon Virtual Private Cloud in the scalable environment which provides advanced security features such as security groups and network access control lists to enable inbound and outbound filtering at the instance level and subnet level.

Worked with Amazon Elastic Load Balancing which automatically distributes traffic across multiple Amazon EC2instances which enables to achieve fault tolerance in the applications.

Incorporated Amazon Ops works which is a configuration management tool that uses Chef to automate the servers that are configured and deployed across Amazon EC2 instances.

Well versed with Amazon Route 53 which effectively connects user requests to the infrastructure running on AmazonEC2 instances and AmazonS3 buckets.

Initiated the process of deployment for automation to Web Sphere servers by developing Python scripts.

Analysed the ANT build projects for conversion.

Established ANT and MAVEN scripts for build activities in QA, Staging and Production environments.

Environment: GIT, Jenkins 2.46, Chef 1.2.22, AWS EC2, S3, Route 53,Opsworks,VPC,Elastic Block Storage RDS, Python, Cloud watch, DOCKER 1.12,LINUX AMI,AWS Elastic Load Balanced, Vagrant 1.9.3, Nagios, Auto scaling groups, Nginx 1.11.7,Apache Tomcat 7.0.75, JIRA, Ubuntu 14.04.4 LTS, Windows server NT 6.3,Oracle server.

Remedy Partners, New York, NYC Nov 2014 – July 2015

Role: Cloud Engineer

Responsibilities:

Automated Linux production server’s setup using Puppet scripts. Developed the Puppet manifests creation, testing and implementation. Deployed DevOps using Puppet, Dashboard and Puppet DB for configuration management to existing infrastructure.

Responsible for large scale Puppet implementation and maintenance. Instituted AWS automation through Puppet and Ansible environment.

Ability to use Docker as a new level in defining and creating applications or services by encapsulating them in containers

Hands on experience in Amazon web services provisioning and good knowledge of AWS services like EC2, Elastic Load balancer, Elastic Container service, Cloud Front, Elastic Block Storage, RDS, Dynamo DB and Virtual Private Cloud.

Implemented Amazon Simple DB which is a NOSQL database enables the high durability by managing the multiple geographically distributed replicas of the data automatically.

Initiated the automation of the AWS account by creating and providing federated access integration with LDAP.

Engineered in defining the AWS security groups which acts as a virtual firewall that controlled the traffic allowed to reach one or more AWS EC2 instances.

Expertise in automating the AWS volumes snapshot backups for enterprise using Lambda.

Achieved login authentication for groups and users by AWS Identity Access and Management (IAM).

Utilized Amazon Elastic Map Reduce which processes the big data across a Hadoop cluster of virtual servers on Amazon Elastic Compute Cloud (EC2) and Amazon Simple Storage Service (S3).

Expanded big data in the cloud with Apache Hadoop by setting the multimode Hadoop cluster on Amazon EC2.

Enhancement of EC2 storage options to Hadoop Distributed File System(HDFS).

Wrote Ansible playbooks with Python SSH as the wrapper to manage the configurations of Open stack nodes and test playbooks on AWS instances using Python.

Integrated the Jenkins with GIT to poll codes and Maven to push artifacts to AWS S3.

Mastered the configuration management tools like Ansible.

Involved in combining multi-node software using Ansible.

Managed and reviewed the Hbase log files.

Mastered in Administration, installing the Hbase log files

Incorporated the development of SOAP and RESTFUL web services.

Managed the automated build system like ANT, Maven for implementing new scripts for the build system.

Initiated the deployment of the build artifacts to Web logic application server using Maven.

Responsible for large scale Puppet implementation and maintenance.

Created Subversion repositories with standard directory layout of trunk, branches and tags.

Administered the authentication and authorization using Jenkins

Configured Maven user settings in Settings.xml file for users in their home directory.

Created Maven POM files to build Java projects.

Capable of installing, configuring and monitoring tools such as Nagios for resource monitoring and Log trace monitoring.

Environment: GIT, Jenkins 2.47, AWS EC2, Elastic load balancer, Elastic Container service, Elastic Bean Stalk, Python, Docker 1.13, Web logic server 12.1.3, ANT, MAVEN, PUPPET Enterprise 3.8.5, ANSIBLE 3.1.0, SOAP web service, RESTFUL web service, Nagios, IAM, Dynamo DB, RDS, AWS Lambda, Elastic Block Storage, Cloud front, Amazon Elastic Map Reduce, Amazon Simple DB.

Dicks Sporting Goods, Coraopolis, PA Aug 2013 – Oct 2014

Infrastructure Engineer

Responsibilities:

Well versed with administering and automation using Chef and Puppet.

Improved the development and version control of Chef Cookbooks, testing of cookbooks using Test kitchen and running recipes on nodes managed by Chef server.

Provided support to the team by writing the recipes and shell scripts to customize the Chef as per our requirement.

Boosted the cloud infrastructure through the development of automation software such as Opscode Chef books.

Initiated the implementation of server provisioning and infrastructure automation in SAAS environment by using Chef.

Managed the configuration of Web App and deploy to AWS cloud server through Chef.

Advanced the configuration of virtual machines availability sets using Azure portal to provide resiliency for IAAS based solution and scale sets using Azure resource manager to manage network traffic.

Supervised the escalations for Hyper-V, Microsoft Azure IAAS and Windows OS.

Responsible for building and configuring a virtual datacentre in AWS cloud to support Enterprise Data warehouse hosting including Virtual Private Cloud, Public and Private subnets, security groups, Route tables, Elastic load balancer, Cloud Watch and Security management VPC.

Utilized Amazon Dynamo DB which provides high I/O performance and efficiently handled the high scale requests by using Dynamo DB API.

Advanced AWS Code Commit in the cloud environment which is used to host secure and highly scalable GIT repositories.

Accelerated the AWS Elastic Bean Stalk used for deploying and scaling web applications on servers such as Nginx, Apache and IIS.

Out spaced the End to End solution for hosting the web application on AWS cloud with integration to S3 buckets.

Utilized Identity Access and Management service which defines a set of permissions to access the resources per client needs.

Expert in writing scripts using Power shell, MS Build.

Expertise with Build and release of Cloud based products containing Linux and Windows environment using Power shell and Team Foundation Server.

Utilized Power Shell scripts which automates the creation of contacts from Active Directory users and updating of address books increasing productivity and efficiency.

Extensively worked with branching and merging strategies, creating baselines and releasing the code.

Expertise with GIT as source code management tool for creating the local repo, cloning the repo, adding, committing and pushing the changes in the local repo.

Supported the team in the migration of environment from Red hat to Centos environment.

Administered different bug tracking tools like JIRA, Remedy, Clear Quest and Bug villa.

Environment: GIT, Jenkins 2.46, Web App 3.1, Team Foundation Server, Power shell, Linux, Windows, MS Build, AWS EC2, S3, Chef 12.19.33, PUPPET 3.8.4, Cloud watch, VPC, Elastic Load Balancer, IAM, AWS Code Commit, Dynamo Database, Nginx server 1.11.6, CEPH, Apache server, IIS server, Hyper-V, Microsoft Azure, JIRA, Clear Quest, Bug zilla.

Dean Foods, Dallas, TX. Oct 2012 – July 2013

Software Configuration Engineer

Responsibilities:

Responsible for daily system administration tasks in Linux environments such as user and group management, disk management, job scheduling and packages installation on Linux environment.

Involved in the implementation work flows orchestration using Bamboo.

Utilized Bamboo for the integration of build dependencies and configuration of jobs.

Enhanced the monitoring and system health awareness by creating various Nagios plugins.

Boosted the networking and infrastructure by troubleshooting TCP/IP, DNS, SSH, LDAP

Administered in installation and configuration of GIT in which the code is merged from development branch to master branch and make it ready for deployment.

Supervised the configuration of Subversion (SVN) which is distributed for multiple applications.

Mentored the team with the installation and configuration of JBOSS 5.0 on different environments like Dev, Test, QA and production.

Responsible for building and deploying J2EE application in JBOSS using Python scripts.

Expertise with the automation and deployment process using JBOSS server.

Developed the build scripts using ANT and MAVEN as the build tools for the creation of the build artifacts like war or ear files.

Improved the installation and configuration on UBuntu, Red hat.

Installed Jenkins on a Linux machine and created a master and slave configuration to implement multiple parallel builds.

Gained experience in installation, configuration, up gradation and patching on RHEL 5.X and windows in EC2 instances.

Created the custom Puppet modules for bootstrapping new servers with required application dependencies and packages.

Environment: GIT, Bamboo, Cent OS, Red Hat Enterprise Linux, Puppet, JBOSS, Jenkins, Python scripting, Nagios, Chef.

Eclature Technologies, Hyderabad, India Mar 2011 – Aug 2012

Release/Build Engineer

Responsibilities:

Managed Source code using SVN/GIT and used the concepts of branching, merging and tagging for release management

Supported Development team to resolve build failures related to environments, tools and scripts

Setup Jenkins server for build and test applications

Maintained ant build script including build.xml and pom.xml

Experience managing Apache, Tomcat Application Server

Worked with IT operational readiness team to design and implement build and release scripts using UNIX or implementing/configuring industry standard tool

Developed and facilitate release/deployment management processes across environments in support of releases

Using BuildForge and Cruise Control - Deploy project.ear files to appropriate environments in accordance with weekly schedule

Creation and maintenance of scripts for development and deployment

Maintenance of continuous integration based on Maven and Jenkins

Managed Maven pom files and other scripts and repository management tools (Artifactory, Nexus)

Created and maintain build automation shell, manage building fixes, merges, release cuts as needed, Written scripts for environment changes in Bash and Perl for WebSphere mapping modules to the enterprise application

Revolutionized the traditional build process with the automated Continuous Integration and Continuous Deployment tool. Installed Jenkins CI to production, Development and test areas

Integrated Gerrit tool to git for code review which helped in the reduction of the code defects.

Created maintenance branch to apply patches for critical fix

Archived build and placed it in a secure server to retrieve if needed in future

Developed script such as jobclone.sh to clone Jenkins job from one server to another

Developed scripts like sendmail.sh to send email notification to the group if server is down

Developed script spacecheck.py to check and report the free space on the build servers

Created scripts such as laucher.sh to start build process and sequencer.sh to launch build in sequence

Experiences updating Java JDK 1.8 in all Linux, Solaris and Windows machines

Experience Installing eclipse with ANT to build JAVA based application, compilation and packaging

Environment: Git, SVN, ClearCase, Clearquest, Gerrit, Code Collaborator, Jenkins, Ant, Maven, Java JDK, Java/J2EE, Citrix XenCanter, Bash, Python, Perl, Apache, Tomcat, WebSphere.

SB Technologies, Hyderabad, India Apr 2009 – Jan 2011 Linux administrator

Responsibilities:

Advanced the installation and configuration of Red Hat Linux over the network using NFS and FTP.

Supervised the implementation and maintenance of DHCP, NFS, NIS and DNS.

Implemented the virtualization using VMware in Linux.

Installed EXSI hypervisor for VMware created for new Centos servers.

Hands on experience in the installation and configuration of Apache, IIS and file servers on AIX and Linux servers.

Monitored creating and managing user accounts, security, Access Control Lists, permissions, disk space and process monitoring in Red hat Linux.

Hands on experience in the installation of Web Sphere on Linux for the development team.

Initiated in setting and configuring LDAP and active directories on Linux and Windows servers.

Designed and maintained the continuous build and continuous integration environments in Scrum and Agile projects.

Involved in combining and automating tools like Selenium with build processes to provide feedback for the development teams.

Worked with IBM Rational Clear Quest tool which is used for tracking the bug changes in the Client server environment.

Responsible for ITIL service management focused on aligning IT services with the need of business.

Managed the implementation of Remedy9 which is a IT service management suite designed to manage many of the ITIL modules.

Worked closely with cloud teams to build and deploy virtual machines using Open stack and VMware.

Hands on experience in automating different tasks using Windows Power shell.

Managed patching for LINUX and Windows servers. Worked on Citrix provisioning server and have been responsible for the installation, configuration of the provisioning servers and Vdisk Management for Xen desktops.

Applied Cisco security patch for Collaboration systems. Implemented WAN IP sec VPN tunnels for new HQs to remote branch offices. Provided License up gradation for Cisco routers. Upgraded and maintained Cisco unified communications clusters.

Environment: Open stack, VM ware, Linux server, Windows server, Power shell, Selenium, Red hat Linux, IBM AIX, IBM Rational Clear Quest, Citrix Server Apache server, IIS server.

Education:

Masters in Digital Sciences, Kent State University, May 2017.

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