Varshith kasireddy

470-***-****

adcmg0@r.postjobfree.com

Professional Summary:

Over 7+ years of experience in IT industry and expertise as Linux Administrator, build engineer and Release Management, Automating Software Configuration Management (SCM), Deploying Applications through Continuous Integration (CI) and Continuous Deployment (CD) and Managing Cloud Services.

•Expert in various Azure services like Compute (Web Roles, Worker Roles), Caching, Azure SQL, NoSQL, Storage, and Network services, Azure Active Directory (AD), API Management, Scheduling, AzureAutoScaling, and PowerShell Automation.

•Experienced in configuring Cloud platforms such as Virtual Networks Multi-site, Cross-site, VMs, Azure AD, Load Balancers, Azure SQL, Cloud Services, etc.

•Experienced in Amazon Web Services(AWS) cloud platform and services like Lambda, DynamoDB, EBS, ELB, AMI, Elastic Beanstalk, CloudFront, CloudWatch, OpsWorkSNS, Glacier, Auto-Scaling, IAM, Route53, EC2, S3, RDS, VPC, VPN, Security-Groups,, and through AWS management console.

•Experience in Designing and distribution of Data across all the nodes and Clusters on different availability zones in AWS Redshift and Scaling Amazon RDS, MySQL, MongoDB, DynamoDB, Cassandra DB, PostgreSQL, Instances Vertically and Horizontally for High Availability.

•Experience with AWS instances spanning across Development, Test and Pre-production and Cloud Automation through Open Source DevOps tools like Chef, Jenkins & Docker.

•Responsible for OpenStack project core infrastructure including code review, continuous integration systems, and developer tools and OpenStack Multi-node Installation, Configuration and Administration.

•Experienced in Pivotal Cloud Foundry (PCF) on Azure VM’s to manage the containers created by PCF. Used Docker for deployment containers and pushed code to Azure Cloud.

•Extensive experience in writing Ansible playbooks and Modules to automate our build/deployment process and do an overall process improvement to any manual processes and experience in working with GIT to store the code and integrated it to Ansible Tower to deploy the playbook.

•Experience using Ansible Tower, which provides an easy-to-use dashboard, and role-based access control, so that it's easier to allow individual teams access to use Ansible for their deployments.

•Experienced in working on puppet and chef, Databags implementation, Coding standards, Cookbook documents, Testing docs, chef Infra, bootstrapping nodes, creating and uploading Chef Recipes, Chef Node convergence in Chef SCM.

•Expertise in using Docker and setting up ELK with Docker and Docker-Compose. Actively involved in deployments on Docker using Kubernetes.

•Experience in Jenkins pipelines to drive all microservices builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes.

•Expertise in Terraform for building, changing, versioning infrastructure and collaborating automation of AWS Infrastructure via Terraform and Jenkins.

•Experience in writing Jenkins Pipeline Groovy Scripts for Continuous Integration and build workflows and Used Jenkins uploading Artifacts into Nexus Repository and Automated various day-to-day administration task by developing Bash, Ruby, JSON, Perl, PowerShell and Python Scripts.

•Experience in Administration/Maintenance of Source Control Management Systems, such as SubVersion (SVN), Perforce, TFS, GIT and Knowledge of Clear Case.

•Experience in installation and management of network related services like TCP/IP, FTP, SSH, DNS, TELENT, HTTP, HTTPS, LOAD BALANCING, VPN, FIREWALL, SUBNETS, SMTP, CDN.

•Experience in Installing, Configuring, Managing the Monitoring Tools such as Splunk, Nagios, ELK and NewRelicfor Resource Monitoring/Network/Monitoring.

•Hands on experience in creating analytical matrices reports, dash boards for release services based on JIRA tickets

•Expert in troubleshooting Linux Servers, resolving boot issues and maintenance of server issues using rescue mode and single user mode and involved in building new Linux Physical and Virtual servers using kickstart and PXE boot.

•Experience in internet information service and hands on experience with WebSphere, JBoss and WebLogic deployments.

•Responsible for configuring and connection to SSH through SSH clients like Putty Remotely copying files using SFTP, FTP, SCP, WinScp and FileZilla.

TECHNICAL SKILLS:

Cloud platforms

AWS, Microsoft Azure, Openstack, PCF.

Containerization Tools

Docker, Kubernetes, OpenShift, Mesos.

Virtualization Platforms

Oracle VM Virtual Box, Vagrant, Hyper-V and VMware

Application/Web Servers

Amazon AWS, Apache Tomcat, JBoss, WebSphere, VMware

ScriptingLanguages

Python, Bash/Shell Scripting, PowerShell, YAML, JSON.

Build Tools

ANT, Maven, Gradle.

ConfigurationManagement tool

Ansible, chef, puppet.

Build & Integration tool

Ant, Maven, Jenkins

Operating Systems

UNIX, Linux, Windows, Ubuntu

Logging & Monitoring Tools

Splunk, Cloudwatch, ELK, Dynatrace

Databases

MS SQL Server, PSSQL

Networking

TCP/IP, DNS, SNMP, SMTP, Ethernet

Issue Tracking Tools

JIRA, Confluence, Rally

Education: Bachelor’s Degree in Computer Science, JNTU-H, 2013

PROFESSIONAL EXPERIENCE

CBRE, TX Mar 2018 to present

Azure Cloud Engineer

Responsibilities:

•Hands-on experience in Azure Cloud Services (PaaS & IaaS), Storage, Web Apps, Active Directory, Application Insights, and Logic Apps. Implemented Azure APIM modules for public facing subscription based authentication.

•Good in Manage hosting plans for Azure Infrastructure, implementing & deploying workloads on Azure Virtual Machines (VMs), Design and implement VM storage & good understanding on Implementing images/disks.

•Worked on Configuration of Internal load balancer, load balanced sets and Azure Traffic manager.

•Hands on experience on Azure VPN-Point to Site, Virtual networks, Azure Custom security, Endpoint security and firewall.

•Hands on experience on Backup and restore Azure services. Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, and security policies and routing.

•Hands on experience in Azure CLI, Bash, Powershell Scripting.

•Experience in maintaining the branching, Staging, build and release strategies using SCM tools like Subversion, GIT and Bitbucket.

•Developed Git workflows and built CI/CD pipelines using GitHub, Jenkins, and Maven to automate deployments.

•Worked on TFS/Azure Devops for continuous integration (CI) and for end to end automation for all builds and deployments and also worked on Build tools like Maven for the building of deployable artifacts into artifactory like Jfrog and Nexus from source code.

•Automated and orchestrated workloads using Terraform, Chef, Puppet, Ansible and ARM Templates over Microsoft Azure.

•Supported external customers and internal teams with troubleshooting issues in environments and conducting root-cause analysis, and drove problems to conclusion.

•Expertise in working with Terraform key features such as Infrastructure as a code, execution plans, resource graphs, change automation and created infrastructure in a coded manner using Terraform.

•Maintained build packages using Team Foundation Server (TFS) as well as Azure Devops on Linux and Windows platforms, integrated these tools with editors like Visual Studio and migrated projects from Subversion repositories to GitHub.

Environment: TFS/Azure Devops, Azure Infrastructure, Visual Studio, Terraform, Chef, Puppet, Ansible, Azure CLI, Bash, Powershell Scripting, GitHub, Jfrog.

OptumInsight, CT Mar 2017 to Jan 2018

AZURE Cloud Engineer

Responsibilities:

•Migrating the existing v1 (Classic) Azure infrastructure into v2 (ARM), scripting and templating the whole end to end process as much as possible so that it is customizable for each area being migrated.

•Configured Azure VPN-Point to Site, Virtual networks, Azure Custom security, Endpoint security and firewall, Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing.

•Worked on PCF Application migration and resolved issues.

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

•Used AzureOMS & Power BI for visualizing the activities. Worked on Azure App Insights, Alerts and Log Analytics for Monitoring as part of OMS.

•Ensured successful architecture and deployment of enterprise grade PaaS solutions using Pivotal Cloud aws4 Foundry (PCF) as well as proper operation during initial application migration and set new development.

•Converted existing Terraform modules that had version conflicts to utilize cloud formation during Terraform deployments to enable more control or missing capabilities.

•Deployed web applications into different application servers using Jenkins and implemented Automated Application Deployment using Ansible.

•Written Chef Cookbooks, recipes to automate installation of Middleware Infrastructure like Apachetomcat, JDK, and configuration tasks for new environments etc.

•Virtualized the servers using the Docker for the test environments and Dev-environments needs and configuration automation using Docker containers.

•Worked on infrastructure with Docker containerization. Collaborated with development support teams to set up a continuous delivery environment with the use of Docker.

•Configure and setup Kubernetes Cluster environment with master and Nodes. Managed local deployments in Kubernetes using minikube, creating local clusters and deploying application containers.

•Configured and maintained Jenkins to implement the CI process and integrated the tool with Maven to schedule the builds. Took the sole responsibility to maintain the CI Jenkins server.

•Responsible for setting up Jenkins server and building jobs to provide continuous automated builds based on polling and post-hook scripts in source control systems like GIT.

•Artifacts generated by Jenkins configure jobs with the Maven for various deployments of Managed JAVA/J2EE enterprise applications in an agile environment, automated solutions using Python & managed artifacts in the NEXUS repository.

•Maintained build related scripts developed in shell for Maven builds. Created and modified build configuration files including POM.xml and convertedbuild.xml into pom.xml to build the applications using MAVEN.

•Managed GIT repositories for branching, merging, and tagging. Configured GIT with Jenkins and scheduled jobs using POLL SCM option and integrated to automate the code checkout process.

•Monitoring SPLUNK authentication and permission for supporting large scale SPLUNK deployments. Used JIRA for bug tracking, issue tracking and project management.

•Using Python, Perl and Shell scripts for automation and monitoring, the administrative tasks and management using CronJobs.

•PowerShell scripting for Automation - Creating VM's, Virtual Networking, VPN, Key Vault, Load balancer and Disk Encryption.

•Worked in creating, cloning Linux Virtual Machines, templates using VMware and migrating servers between ESX hosts using VMotion and installed Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.

Environment: VMware, Azure, Elasticsearch, Chef, Puppet, Ansible, Ant, Maven, Jenkins, Terraform, Python, Ruby, Shell, TFS, JIRA, Splunk, Oracle, WebLogic Server 11g, Apache Tomcat, Docker, Kubernetes, VMware, Apache HTTP server, Nginx, JSON, Nexus, Java, .Net, LDAP, JDK1.7, GitHub.

Monsanto, St. Louis, MO May 2014 to Jan 2017

DevOps Engineer

Responsibilities:

•Worked in designing and deploying AWS Solutions using EC2, S3, EBS, Elastic Load balancer (ELB), auto scaling groups.

•Leveraged AWS services such as code pipeline to create CI/CD pipeline and cloud watch and cloud trail to create Monitoring dashboards and network traffic logs.

•Design roles and groups using AWS identity and access management (IAM), and manage networks using Security Groups, Network Access Control Lists with services provided by IAM.

•Written Chef Cookbooks for various DB configurations to modularize and optimize end product configuration, converting production support scripts to Chef Recipes and AWS server provisioning using Chef Recipes.

•Written multiple cookbooks in Chef to automate the environment provisioning, Middleware Infrastructure Installations. Implemented environments, roles, data bags in Chef for better environment management.

•Developed many roles and playbooks in Ansible and automated to build and deploy infrastructure using Ansible.

•Extensively worked on Ansible to configure the servers, deploy software, and orchestrate continuous deployments or zero downtime rolling updates

•Worked on the creation of custom Docker container images, tagging and pushing the images and Dockers consoles for managing the application of life cycle.

•Extensively worked on Jenkins by installing, configuring and maintaining for Continuous integration(CI) and for End to End automation for all build and deployments

•Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant to schedule the builds.

•Worked in all areas of Jenkins setting up CI for new branches, build automation, plugin management and securing Jenkins and setting up master/slave configurations.

•Worked on source control tools like GIT. Primarily used Ruby to write GIT applications as well as created and maintainedGIT repositories also analyzing and resolving conflicts related to merging of source code to GIT.

•Created Splunk app for Enterprise Security to identify and address emerging security threats through the use of continuous monitoring, alerting and analytics. Work closely with Application Teams to create new Splunk dashboards for Operation teams.

•Responsible for authoring and editing Python scripts for automation purposes which enabled the QA testers to perform testing with a more reliable and faster performance.

•Administered user and groups accounts setting permissions, web servers, file servers, firewalls and directory services.

•Installed a PHP based Linux kickstart solution that allows for the building of profiles based on IP address- this system allows for rapid installation of new Linux systems.

•Worked on handling tasks in Linux/Unix which include upgrading RPMS using YUM, kernel, HBA driver, configure SAN disks, Multipathing and LVM file system.

Environment: Amazon Web Services(AWS), Cloud Formation, Bamboo, Chef, Jenkins, Nginx, Nagios, Docker, Maven/ANT, PowerShell Scripting, Puppet Hiera, Puppet DB, Linux, VMW are Servers, Udeploy, Shell scripting, Bash, GIT/ SVN, Splunk, ELK, Apache Mesos, Linux/RHEL, Windows, Python, LVM, RPM’s.

Smart IMS - Hyderabad, India Sep 2013 – Jan 2014

Linux Administrator

Responsibilities:

•Installed and configured, updated, upgraded and maintained Linux servers and perform the network configuration on RedHat, Centos OS and Applications.

•Created Linux Virtual Machines using VMware Virtual Center, creating VM Templates, and troubleshooting all Virtualization related issues. Migrated different projects from Perforce to SVN.

•Involved in setup and install of configured Server and Boot Server using PXE booting for Kickstart process & performed Kickstart to install OS on Linux boxes.

•Installed, configured and managed Global File System (GFS) in Linux Servers, creating and managing Cluster suite using GFS and Administration and maintaining of VERITAS Cluster Server.

•Configured RedHat Satellite Server for patching and configuring Linux servers to update patches from the satellite server.

•Implementation & Managing of RAID levels like RAID 0, RAID 1, RAID 5 using Solaris Volume Manager

Management of disks on Red Hat Linux Servers using LVM, creating volumes, file system and resizing volume, Volume Groups, Logical volumes, and Disk Mirroring.

•Basic Network configuration LAN/WAN and Monitoring & Troubleshooting. Configuring wireless Router, Switches, and router on Linux.

•Involved in running LAMP (Linux, Apache, MySQL, and PHP) systems in agile quick scale cloud environments and Created Bash, shell, python scripts to monitor system resources and system maintenance.

•Adding servers to domain and managing the groups and users in Active Directory, installing and configuring send mail on RedHat Linux servers.

Environment: Linux, RedHat, CentOS, TCP/IP, SVN, .Net, Jenkins, Java, Apache Tomcat, SQL, Oracle, Agile, WebLogic, Subversion, Bash, Kickstart, VERITAS, LVM, SSH, Perforce.

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