Rohini Alla

GC Holder

Email: ad01ew@r.postjobfree.com Phone:408-***-****

PROFESSIONAL SUMMARY:

●Highly motivated DevOps engineer with overall 8+ years of extensive experience in Software Development Life Cycle (SDLC), Software Configuration Management (SCM), Change Management (CM), Build automation and Release Management (RM).

●Implemented a Continuous Delivery pipeline with Docker, Jenkins, GitLab and GitHub and AWS AMI’s.

●Worked on installation of Docker using Docker toolbox. Worked on creation of custom container images, tagging and pushing the images and writing Docker files to manage images.

●Installed and configured JFrog repository manager for sharing artifacts between internal teams and created repositories to speed up the build process.

●Installed GitLab runners in on-perm VMs for migration and updated configs in Gitlab CI/CD pipeline.

●Used Rancher for Kubernetes clustering, artifactory uploads and docker images.

●Used Kubernetes to orchestrate the deployment, scaling and management of Docker Containers.

●Created & Managed Docker files for creating necessary base images used in automation of build & deployment environments.

●Experience in Administration/Maintenance of source control management systems, such as Subversion (SVN), Perforce, TFS, GIT and knowledge of Clear Case.

●Extensively worked in configuring Amazon EC2, S3, RDS, Lambda, ELB, EBS, SNS, Route53, Glacier, and different administrations in the AWS family.

●Created Cloud Formation templates for automation process on EC2 instances in AWS cloud service.

●Managed multiple AWS accounts with multiple VPC's for both production and non-prod where primary objectives included automation, build out, integration and cost control.

●Used AWS Cloud Watch to monitor resources such as EC2, RDS, and DynamoDB tables and to set alarms for notifications and to monitor logs of the operation of the system.

●Experience in integrating cloud services into DevOps framework (GitHub, Jenkins, Ansible, Splunk) which enables API request to provision and configure infrastructure through infrastructure as code.

●Used Jenkins as a full cycle continuous delivery tool involving package creation, distribution, and deployment onto tomcat application servers via shell scripts embedded into Jenkins jobs.

●Extensively worked on Jenkins by installing, configuring, and maintaining for continuous integration (CI) and for End-to-End automation for all build and deployments.

●Worked on Bitbucket and Jenkins CI/CD pipelines, maintained and troubleshoot build and deploy issues.

●Good understanding of OpenShift platform in managing Docker containers and Kubernetes Clusters.

●Got good knowledge with Mesos but worked mostly with Docker and Kubernetes.

● Worked with Terraform key features such as Infrastructure as code, Execution plans, Resource Graphs, Change Automation and extensively used Auto scaling launch configuration templates for launching amazon EC2 instances while deploying Micro services.

●Worked on Terraform for automating VPCs, ELBs, security groups, SQS queues, S3 buckets, and continuing to replace the rest of our infrastructure. Using Terraform as a tool, Managed different infrastructure resources Cloud, VMware, Bare Metal Servers and Docker containers.

●Experience in Ansible automation including writing playbooks, customized modules for test driven developments Implemented and designed AWS virtual servers by Ansible roles to ensure deployment of web applications.

●Extensively worked configuring Amazon EC2, S3, RDS, Lambda, ELB, EBS, SNS, Route53, Glacier, Azure CDN and different administrations in the AWS family.

●Supported and worked for the Docker team to install Apache Kafka cluster in multimode and enabled security in the DEV environment.

●Written Ansible YAML scripts that can store the credentials for various sandboxes and secured them on the remote servers.

●Installed Kafka manager for consumer lags and for monitoring Kafka metrics also this has been used for adding topics, Partitions etc.

●Successfully Generated consumer group lags from Kafka using their API and Identifying, gathering, analyzing and automating responses to key performance metrics, logs, and alerts.

●Automate using scripting languages such as PowerShell, Bash, Python or similar.

●Automation process with popular scripting languages, integrating with third party API’s. (Python, PowerShell, bash).

●Created branches and maintained different versions of chef Recipes in distributed Version Control tool like Git.

●Expertise in using build tools like Maven and Ant for the building of deployable artifacts such as war & ear from source code. Application Deployments & Environment configuration using Chef, Ansible.

●Automate Deployment using Ansible to provision amazon AWS Instances to enable continuous deployments.

●Written Templates for AWS infrastructure as a code using Terraform to build staging and production environments.

●Implemented Build per Branch as part of CI process in Jenkins to run SonarQube code coverage and run unit and integration tests to improve the pipeline efficiency.

●Automated Weekly releases with Maven scripting for Compiling Java Code, Debugging and Placing Builds into Maven Repository.

●Build automation to use with the continuous integration scenario for triggering coordination with TFS Release Management.

●Deployed and configured GIT repositories with branching, forks, tagging, merge requests, and notifications.

●Build and release software baselines, code merges, branch and label creation in Subversion/GIT and interfaced between development and infrastructure.

●Developed GIT hooks on local repository, code commit, remote repository, code push functionality, on GIT Hub.

●Experience in using Tomcat, JBOSS, Web logic and WebSphere application servers for deployment.

●Extensively worked with the Programming languages like YAML, Shell Scripting and Python.

●Deployed the (Elastic Search, Log stash, Kabana) stack using Ansible and SaaS.

●Creates Correlation searches by defining the Splunk Use cases, designed adaptive response plans by assigning investigators.

●Created and developed ARM templates for Azure VMs, which reduced deployment time and improved consistency.

●Developed automated scripts using PowerShell and ARM templates to provision and manage azure resources, which improved efficiency and reduced manual errors.

●Collaborated with cross-functional teams to design and implement Azure DevOps CI/CD processes, resulting in a 60% reduction in deployment time and a 20% increase in successful deployments.

●Experience in implementing Azure services such as Azure Active directory, Azure Key vaults (AKV), Azure Container registry (ACR).

●Creates and maintains documentation supporting training, deployment and operational processes.

EDUCATION:

●Bachelors from Osmania University, India.

●Masters from Osmania University, India.

TECHNICAL SKILLS:

Cloud Platform

AWS EC2, VPC, ELB, IAM, SNS, RMS, RDS, AZURE, EDS, GCP, CLOUD WATCH, CLOUD FOUNDATION, AWS CONFIG, S3, CLOUDTRAIL, AWS Code Pipelines, VMWARE, Rancher

Configuration Management

Chef, Puppet, Maven, Ansible, Kubernetes, Docker, Lens, GitLab, OpenShift and SonarQube

CI Tools

Hudson, Jenkins, GitHub Actions

Monitoring Tools

Splunk, Nagios, sensu, Grafana, graphite

Database

MySQL, SQL Server, Oracle, Elasticsearch

Build Tools

Ant, Maven, Jenkins, GitLab, Grunt, Gradle, IDE, Cucumber, Visual Studio

Version Control Tools

Subversion (SVN), TFS, GIT, GIT Hub, GitLab

Bug Tracking Tools

JIRA, ServiceNow, Bugzilla

Web Servers

JBOSS, Apache, Tomcat, WebLogic, WebSphere, IS

Scripts

Ruby, Perl, Python, Bash Shell, PowerShell

Languages

C, C++, Java, .net and .net core

SDLC

Agile, Scrum, Kanban

Operating System

Redhat, Ubuntu, Linux, RHEL, Windows, CentOS, Fedora

Web Technologies

Google Web Toolkit, HTML, JavaScript, CSS, XML, Angular.Js, Microservices, SOA patterns, REST

PROFESSIONAL EXPERIENCE:

Centene, Remote July 2022- July2023

Sr. AWS DevOps Engineer

Roles & Responsibilities:

●Migrating Centene components from Jenkins to Gitlab and on-prem VMs to AWS cloud using PowerShell, Rancher and Kubernetes

●Using Rancher for Kubernetes clustering, Artifactory uploads and docker images.

●Used Helm to deploy and manage applications across any or all these environments, ensuring multi-cluster consistency with a single deployment.

●Lead and migrated successfully 14 components end to end from Dev to Stage and Prod deployment, successfully completed all the stages.

●Installed Gitlab runners and config runners in Gitlab CI/CD pipelines.

●Worked on PowerShell scripts and Yaml files to move common functionality to utilize in all components and helped external teams to utilize these scripts for their components as well.

●worked on existing Windows VMs to support Gitlab migration.

●Using Rancher for streamline cluster deployment on on-prem VMs, Azure and AWS clouds.

●Created Webhooks to call service for creating automatically create Pull request to other branches.

●Implemented a Continuous Delivery pipeline with Docker, Gitlab Pipeline and AWS AMI’s.

●Virtualized the AWS Servers using the Docker, created the Docker files and version controlled them.

●Worked on Cloud automation using AWS Cloud Formation templates.

●Created AWS S3 buckets, performed folder management and Managed cloud trail logs and objects within each bucket.

●Building, changing and versioning Infrastructure by handling multiple providers with Terraform simultaneously.

●Created the AWS VPC network for the Installed Instances and configured the Security Groups and Elastic IPs accordingly.

●Automating the tasks using Ansible playbooks, Shell scripting and Python. Provisioned and patched servers regularly using Ansible.

●Created Master-Slave configuration using existing Linux machines and EC2 instances to implement multiple parallel builds through a build farm.

●Written Templates for AWS infrastructure as a code using Gitlab /Rancher to build staging and production environments.

●Cloud infrastructure maintenance using a combination of Jenkins, Ansible and Terraform for automating CI/CD pipeline in AWS.

●Demonstrable experience designing and implementing complex applications and distributed systems into public cloud infrastructure (AWS, GCP, Azure).

●Adopted GitOps into the release process and further automated the process by creating mirror branching strategy.

●Integrated Ansible with Jenkins to provide automation CI/CD through Jenkins and wrote playbooks to automate ansible servers using YAML scripting. Implemented Jenkins workflow plugins for repeated deployments of multi-tier applications, artifacts and services to Docker.

●Find and resolve complex build and deployment issues while on call 24*7 support and strong knowledge of troubleshooting and debugging application team issues.

●Configured SSH, SMTP, Build tools and Source control repositories in Jenkins. Installed multiple plugins to Jenkins and Hands on experience in deployment automation using shell/power shell scripting.

●Used security groups, network ACL's, internet gateways and route tables to ensure a secure zone for organization in AWS

●Associated in implementing SonarQube code quality checks.

●Integrated Gitlab with code quality analysis and Review tools like SonarQube.

●The Docker container creation process for each GitHub branch gets started on Jenkins as a Continuous Integration (CI) server.

●Worked on OpenShift to leverage integrated components from Kubernetes to automate Application builds, Deployments, scaling and management.

●Building/Maintaining Docker container clusters managed by GIT, Gitlab, Docker, on AWS.

●Utilized Kubernetes building Tomcat and WebSphere application Server environments.

●Used Maven to build rpms from source code checked out from GIT repository, with Jenkins being the Continuous Integration Server and Nexus as repository manager.

●Used Jenkins file to automate the build trigger process whenever a branch is merged with master.

●Installed and configured JFrog repository manager for sharing artifacts between internal teams and created repositories to speed up the build process.

●Used IAM for creating roles, users, groups and implemented MFA to provide additional security to AWS resources.

●Integrated AWS DynamoDB and S3 buckets using AWS lambda to store the values of the items and backup the DynamoDB streams.

●Implemented a serverless architecture using API Gateway, Lambda and Dynamo DB and deployed AWS lambda code from S3 buckets. Created lambda deployment function and configured it to receive events from s3 bucket.

●Worked on creating the Docker Files to build customized Images.

●Managed Ansible Playbooks with Ansible modules, implemented CD automation using Ansible, managing existing servers and automation of build/configuration of new servers.

●Worked on Ansible core concepts like Inventory, Playbooks, Roles, Tasks and Modules.

●Used Jira as ticket tracking and workflow tool.

●Responsible for developing and maintaining build, deployment scripts for test, Staging and Production environments using Rancher cluster management.

●Deployed, maintained, and provided the team with various ADO tools like deployment tools, staged virtual environments and provisioning scripts.

●Using Kubernetes liveness and readiness probe to monitor health of containers and services. Added queries in Azure monitor logs for Grafana Dashboard for service health.

●Responsible for building/deploying consistently repeatable build/deployments to production/nonproduction environments.

●Developed and designed Azure Devops pipeline to manage the resource across multiple subscription in Azure.

●Used Azure Repos, Boards and Test plans to plan work and collaborate on code development, built and deployed applications.

●Responsible for facilitating and managing the .NET C#, Angular, MVC, Linq, HTML5, CSS and RESTful webservices process from initial application to loan closing

●Served as the main point of contact for borrowers, providing prompt and professional communication throughout the .NET C#, Angular, MVC, Linq, HTML5, CSS and RESTful webservices process.

●Managed requirements gathering and analysis for new .NET C#, Angular, MVC, Linq, HTML5, CSS and RESTful webservices software development projects.

●Worked with stakeholders to identify process of .NET C#, Angular, MVC, Linq, HTML5, CSS and RESTful webservices and proposed solutions to streamline workflows.

Environment: AWS, AZURE, PowerShell, Ansible, Git, GitHub Actions, GitOps, GitLab, Rancher, Docker, Kubernetes, Python, .net and .net core, Shell scripting, JIRA, Jenkins, Maven, JFrog, Apache Tomcat. SonarQube

Bank of America, Remote Sep 2020 – June2022

Sr. AWS DevOps Engineer

Roles & Responsibilities:

●Utilized AWS services like EC2, VPC, Auto scaling, SSH,S3, EBS, ELB, CFT, LAMBDA, IAM, SNS, SQS, Dynamo DB, Elastic Bean Stalk and cloud watch services to build highly available, Scalable and self-healing Applications.

●Performed Auto Scaling(ASG), Elastic Load Balance (ALB) & AMIs and utilized EBS to store persistent data and mitigate failure by using snapshots.

●Created the uDeploy templates for components and applications, on boarded around 200 apps into uDeploy to achieve continuous integration. Troubleshooting with the agent's problem in uDeploy server.

●Worked with RedHat OpenShift Container Platform for Docker and Kubernetes. Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple namespace versions.

●As a team, migrated Bitbucket pipelines to Jenkins.

●Experience in deployment automation and related tooling (Terraform and AWS Cloud Formation).

●Good exposure in utilizing Jenkins, GitHub Actions and built the code integration, code delivery and release pipelines.

●Queuing and data-pipeline solutions (RabbitMQ, pub/sub, SQS).

●Created the AWS VPC network for the Installed Instances and configured the Security Groups and Elastic IP's accordingly.

●Worked on annotation of web-app using RedHat OpenShift using MongoDB, Elasticsearch, AngularJS and NodeJS.

●Experience in designing and installing and implementing Ansible configuration management system for managing web applications, environment configuration files, users, mount points and packages.

●Worked on log management tools like Logstash and Elasticsearch.

●Experienced with setup, configuration and maintain ELK stack (Elasticsearch, Logstash and Kibana).

●Written Templates for AWS infrastructure as a code using Terraform to build staging and production environments.

●Experience in building automated CI/CD pipeline with AWS Code Pipeline, Jenkins, AWS Code Deploy.

●Demonstrable experience designing and implementing complex applications and distributed systems into public cloud infrastructure (AWS, GCP, Azure).

●Built largely open-source technology such as Docker, Kubernetes, Terraform and leveraging multiple cloud platforms both public and private to deliver a ubiquitous and consistent global platform for continuously deploying applications.

●Initiated Microservices application through Docker and Kubernetes cluster formation for scalability of the application.

●Worked on Report Creation from TFS using SQL Server Reporting Services.

●Managed Openshift master, nodes with upgrades, decommission them from active participation by evacuating the nodes and upgrading them.

●Automation process with popular scripting languages, integrating with third party API’s. (Python, PowerShell, bash).

●Experience on Cloud Databases and Data warehouses (SQL Azure and Confidential Redshift/RDS)

●Created NAT gateways and instances to allow communication from the private instances to the internet through bastion hosts.

●Integrated Jenkins with code quality analysis and Review tools like SonarQube.

●Responsible for creating & Managing Docker files for creating necessary base images used for automation of build & deployment environments.

●Worked on architecture included Docker as the container technology with Kubernetes and worked on with REST API and build secure cloud-based infrastructures using Amazon Web Services using DevSecOps tools such as Ansible.

●Implemented Docker container creation process for each GitHub branch gets started on Jenkins as Continuous Integration (CI) server.

●Implemented Mesos and Marathon, Kubernetes for Orchestration with Docker.

●Worked in clustering, deploying apps through Splunk deployment server, created roles and authentication and signing of IOS.

●Used Kubernetes to orchestrate the deployment, scaling and management of Docker Containers.

●Building/Maintaining Docker container clusters managed by GIT, Docker, on AWS.

●Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test deploys.

●Install and configure Apache Airflow for S3 bucket and created DAGS to run the Air flow.

●Used Jira as ticket tracking, workflow tool, customizations and plugins for Jira/Bug issue tracker, integrated Jenkins with JIRA, GitHub and maven.

●Used Maven to build rpms from source code checked out from GIT/ Bitbucket repository, with Jenkins being the Continuous Integration Server and Nexus as repository manager.

●Used Jenkins file to automate the build trigger process whenever a branch is merged with master.

●Installed and configured Nexus repository manager for sharing artifacts between internal teams and created proxy Nexus repositories to speed up the build process.

●Worked on DynamoDB NoSQL database using boto3, which included creation of tables, items and automating the tasks.

●Experienced in AWS Elastic Beanstalk for app Deployments and worked on AWS lambda with Amazon kinesis.

●Worked on creating the Docker images using Docker file, creating docker snapshots, removing images and managing docker volumes and implemented docker automation solution for CI/CD model.

●Responsible for developing and maintaining build, deployment scripts for test, Staging and Production environments using Maven.

●Worked closely with internal and external stakeholders, including underwriters, appraisers, title companies, and other parties, to ensure smooth and efficient .NET C#, Angular, MVC, Linq, HTML5, CSS and RESTful webservices processing

●Monitored loan status, updated borrowers on progress, and proactively address any delays or issues that may arise during the .NET C#, Angular, MVC, Linq, HTML5, CSS and RESTful webservices process.

●Organized discussions with respective team members on .NET C#, Angular, MVC, Linq, HTML5, CSS and RESTful webservices and took meeting notes for better understanding.

Environment: AWS, GCP, Ansible, Git, GitHub Actions, Docker, Kubernetes, Terraform, CDN, Python, Java, Shell scripting, JIRA, Jenkins, Maven, Nexus, Apache Tomcat, SonarQube, Bitbucket.

Experian, Southern, CA Nov 2018 – Aug 2020

Infrastructure/Sr. DevOps Engineer

Roles & Responsibilities:

●Designed DevOps workflow for multiple applications by orchestrating Test, Build, Release and Deploy phases through various CI/CD pipelines using Git, Maven, Jenkins, Docker, Kubernetes, Chef, Puppet & Cloud formation tools.

●Implemented a CI/CD pipeline with Jenkins, GitHub, Nexus, Maven and AWS AMI's.

●Managed multiple AWS accounts with multiple VPC's for both production and non-prod where primary objectives included automation, build out, integration and cost control.

●Created S3 buckets and managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS.

●Implemented a production ready, load balanced highly available fault tolerant Kubernetes infrastructure. Created private cloud using Kubernetes that supports DEV, TEST and PROD environments.

●Integrate the dynamic pages with Angular JS and JQuery to make the pages dynamic.

●Implemented multi-tier application provisioning in Amazon cloud Services, integrating it with Chef.

●Installed and configured Chef and written recipes to automate the administrative tasks.

●Created Automated Deployment using Chef Cookbooks.

●Clear understanding of version control tools like TFS – ChangeSet, Versioning, Branching etc.

●Setup profiles, thresholds, alerts based on thresholds and created various dashboards in Dynatrace and AppDynamics. By using Application performance Management in AppDynamics, monitored Micro Services deployed in elastic infrastructure, spotting thread contention issues, and their root cause and integrated alerting system with Jira.

●Worked on Security groups and EIP defined as IAAC ingredients for well working orchestration.

●Worked on Azure load balancing options, including Traffic Manager, Azure Media Services, CDN, Azure Active Directory, Azure Cache and Redis Cache, Multi-Factor Authentication and Service Bus.

●Integrating the Third-Party Tools with TFS for ALM & Traceability

●Scripting in PowerShell and Python. Experience with systems and IT operations, monitoring operations is involved. Using Service to manage tickets as well as building backend automation.

●Implemented multi-tier application provisioning in Amazon cloud Services, integrating it with Chef.

●Written Bash scripts to perform deploy dynamic content to tomcat Webserver and WebSphere App Servers.

●Migrating and maintaining build and test environments into the Cloud Infrastructure.

●Worked on AWS services EC2, IAM, S3, Lambda, Cloud Watch, Dynamo DB, SNS, Elastic Bean stalk, VPC, ELB, RDS, EBS, Route 53, ECS and Auto scaling.

●Administered databases using RDS, MySQL and DynamoDB in AWS and executed the DML and DDL scripts.

●Deploying phase monitoring Nagios, Splunk code deploying phase puppet, chef, ansible, testing, debugging.

●Wrote chef cookbooks to automate RHEL servers and Webservers patching across many Virtual Servers.

●Build script using MAVEN build tool in Jenkins to move from one environment to other environments.

●Managed Maven project dependencies by creating parent-child relationships between projects.

●Coordination of an Active Directory reconfiguration/Upgrade and implementation project, effectively migrating five (5) AD domains.

●Setup all different kinds of projects in Jenkins ranging from software to maven style projects and matrix-based projects.

●Created a site-to-site VPN between on premise and Azure, using RAS for secure replication of on premise domain controller, to the newly created Microsoft Azure domain controller.

●Designed and implemented complete CI process with Jenkins and Nexus.

●Configured local Maven repositories with Nexus repositories and scheduled projects in Jenkins for continuous integration.

●Code Coverage-Installed SONAR on Jenkins server and configure with the build process for the code analysis process for better code quality and code metrics, and rapid feedback for development teams and managers.

●Experience in Monitoring tools using AWS cloud watch and troubleshooting build and deployment failures.

●Experience in Jenkins monitoring distributed builds, and plugin management.

●Used Maven dependency management system to deploy SNAPSHOT and RELEASE artifacts to JFrog to share artifacts across projects.

Environment: Maven, Jenkins, Docker, Kubernetes, Nexus, Bash, GIT, AZURE, Cache, JIRA, SonarQube, Apache Tomcat, WebSphere, PowerShell

AMN Health Care, NJ Feb 2017 – Oct 2018

DevOps Cloud Engineer

Roles & Responsibilities:

●Worked on Managing the Private Cloud Environment using Chef.

●Managed and optimize the Continuous Delivery tools like Jenkins.

●Install, Configure, Administer Jenkins Continuous Integration Tool

●Developed and implemented Software Release Management strategies for various applications according to the agile process.

●Developed build and deployment scripts using Maven as build tools in Jenkins to move from one environment to other environments.

●Branching, Tagging, Release Activities on Version Control Tool GIT.

●Automated deployment of builds to different environments using Jenkins.

●Built and Deployed Java/J2EE to a web application server in an Agile continuous integration environment and automated the whole process.

●Used Jenkins for Continuous Integration and deployment into WebSphere Application Server.

●Used Maven as build tool on Java projects for the development of build artifacts on the source code.

●Developed build and deployment processes for Pre-production environments.

●Used Subversion as source code repositories.

●Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.

●Managed SVN repositories for branching, merging, and tagging.

●Continuous Delivery setups with Puppet by creating manifest and maintain templates for different environments. Migration of shell scripts into Puppet Manifests.

●Experience in developing puppet modules (blueprints) for installation, configuration and continuous integration (CI).

●Involved in writing parent POM files to establish the code quality tools integration.

●Installing, configuring and administering Jenkins CI tool on Linux machines.

●Installed and Configured the Nexus repository manager for sharing the artifacts within the company.

●Used Jira as ticket tracking and workflow tool.

Environment: Shell Script, Git, Jenkins, Puppet, Artifactory, LINUX, Maven, Web sphere, JIRA.

Aircel, India May 2014 – Dec 2016

Linux Administrator

Roles & Responsibilities:

●Worked with 350+ servers with RHEL 5.x, 6.x and Solaris 9, 10 servers.

●Installed, and configured RHEL using Kickstart and Solaris 9, 10 using Jumpstart.

●Implemented virtualization environment using VMware ESXi 5.5, ESXi Cluster, and vCenter Server.

●Created, configured and maintained virtual machines in VMware ESXi with different OS.

●Created clones, and snapshots of virtual machines in VMware ESXi.

●Worked on Nagios for systems and networks monitoring.

●Migrated VMWare Virtual servers from one host group to new host group using vMotion.

●Involved in server migration from Solaris to RHEL, and from physical server to virtual server.

●Improved service levels by guaranteeing appropriate resources to virtual hosts using VMWare Distributed Resource Scheduler (DRS).

●Created, and maintained large file systems with EMC and Netapp SAN devices.

●Added the SAN LUNs to the OS, laying out the file systems, volumes, building rootdg and mirroring for redundancy using VxVM.

●Created and configured sparse root and whole root Zones, and LDOMs in Solaris 10.

●Managed the disk using SVM, ZFS, VxVM in Solaris, and LVM in Redhat.

●Provided user administration like adding or deleting users, groups, group membership, and password aging.

●Installed and updated software packages for Linux and Solaris Servers using RHN, and sun update manager.

●Implemented system upgrades including hardware, operating system and patch upgrades.

●Configured run scripts to run the services at startup.

●Wrote manifests, classes, and modules in Puppet to automate and configure packages, services, files, directories, cron jobs and other resources in servers with various OS.

●Wrote shell and python scripts to automate admin jobs such as monitoring the servers for resource consumption, processes running, file handling such as moving, copying and renaming files, reading data from the files etc.

●Wrote crontab for scheduling of automatic repetitive jobs and executing shell scripts.

●Installed and configured MS SQL server and Oracle in Linux server.

●Installed and configured Tomcat and Jboss in Linux server.

●Assisted the middleware administrators in deploying the web and enterprise applications in the deployment environment that included MS SQL server 2008, Oracle 11g, Jboss 6.x, and Tomcat 7.

●Debugged day to day issues and problem relating to systems, software and servers.

●Documented application configuration details in Solaris, and RHEL environment.

●Provided 24x7 on-call supports for 350+ servers.

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