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Bhavana - Senior Cloud/DevOps engineer

[email protected]

Location: Saginaw, Michigan, USA

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Professional Summary: Senior Cloud/DevOps engineer with 8+ years of IT experience who can Design, Develop the cloud Infrastructure, and Integrate DevOps tools, Build/Release management, Continuous Integration & Continuous Delivery/Deployment (CI/CD), Infrastructure automation including end-to-end code configuration using various tools, Configuration Management, and Linux administration. Experience with cloud platforms such asGoogle Cloud Platform,Microsoft Azure and Amazon Web Services (AWS). Expertise in managing tools such as Docker,Kubernetes,Terraform, Jenkins, and Git. o Experience in Google Compute, Google Storage, Google Database, Google Identity and Google Security, Google Networking, Google Management tools. o Experience in working on the IAAS, PAAS services like Google Compute Engine, Google Cloud Storage, Google App Engine, Google Cloud Run, Google Functions, Google Virtual Private Cloud. o Experience in Azure Web Apps, Azure Cloud Services, Azure Application Insights, Logic Apps, Azure ActiveDirectory (AAD), Azure stack, Azure Traffic Manager, Azure Monitoring, Azure OMS, Azure Key Vault, Azure ExpressRoute, Azure Load Balancing, Application Gateways, Azure Backup and Azure Automation. o Proficient in Microsoft Azure IAAS, SAAS and PAAS services like Virtual Networks, Virtual Machines, subnets, Azure network settings, DHCP address blocks, Azure Blob storage, Azure Network services, Azure DevOps, Azure Resource Groups, Express Route, VPN, API Management, PowerShell Automation, Auto-Scaling. o Expert in designing Azure Resource Manager (ARM) Template to deploy numerous resources and extensive experience in designing custom build steps using Power Shell and Developed PowerShell scripts and ARM templates to automate the provisioning and deployment process. o Hands-on experience on Service Management Automation (SMA) for automating the creation, monitoring and deployment of resources into Azure pack environment. Multiple Azure Virtual Machines (VMs) and cloud services were secured and monitored by deploying them into secure Azure Virtual Networks (VNets) and subnets. o Worked on Azure DevOps services like Azure Boards, Azure Repos, Azure Test plans, Azure Pipelines for Continuous Integration and continuous Deployment(CI/CD) and Azure Artifacts. o Hands on Experience Using Azure Kubernetes Service (AKS) for deploying and managing Kubernetes cluster in Azure and created an AKS cluster in the Azure portal, with the Azure CLI, also template driven deployment options were used. o Expertise in working with Terraform Template key features such as Infrastructure as a code, Execution plans,Resource Graphs, Change Automation and created infrastructure to deploy various applications across multiple cloud providers. o Experienced in writing Terraform templates that can spin up infrastructure for multi-tier application and provisioned boot strapped software on cloud with Terraform, also created and deployed the Terraform templates for the resource groups, resources in Azure portal. o Expertise in setting up Docker environmentsDocker Daemon, Docker Client, Docker Hub, Docker Registries, Docker Compose and handling multiple images by storing them in containers to deploy, also used Docker to containerize custom web application and deploy them on instance through SWARM Cluster and to automate the application deployment in cloud using Vagrant. o Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and Managed releases of Helm packages. Scheduled, deployed and managed Container replicas onto a node cluster using Kubernetes. o Experience in using Kubernetes for creating new Projects, Services for load balancing and adding them to Routes by accessing from outside, and also developed APIs using Kubernetes to manage and specify the copies of the containers to run the actual servers in the cloud. Scheduled, deployed and managed container replicas onto a node cluster using Kubernetes. o Launching Amazon EC2 Cloud Instances using Amazon Web Services (Linux/Ubuntu) and configuring launched instances with respect to specific applications. o Involved in designing and deploying multi-tier applications utilizing the AWS stack and focused on high-availability, fault tolerance, and autoscaling in AWS Cloud formation. o Experience in migrating infrastructure and application from on-premise to Azure, from Cloud to Cloud such as AWS to MicrosoftAzure, and migrating on-premises virtual machines to Azure Resource Manager Subscription with Azure Site Recovery and used virtual Machine Backup and Recovery Service Vault using Arm templates, Azure PowerShell. o Worked on configuring and integrating the servers with different environment and creating new machines using configuration management/provisioning tools like CHEF (Roles, Cookbooks, Recipes), ANSIBLE (Playbook, inventory). o Provisioned environments as infrastructure as a code using Terraform Involved in writing various custom Ansible playbooks for deployment orchestrationand developed Ansible Playbooks to simplify and automate day-to-day server administration tasks and used Ansible Tower for deployment. o Experienced in working with configuration management tool Puppet that includes the installation and configuration of the Puppet master, agent nodes and an admin control workstation along with objects such as Puppet resource, class, Manifest, modules and Forge. o Configured the Jenkins for automated builds, responsible for installing Jenkins master and slave nodes, Developed and maintained automated CI/CD pipeline for code deployment using Jenkins. Used Jenkins as CI tool for creating new jobs, build trigger, build system, managing required plug-ins, and post build actions, scheduled automation builds. o Performed automation of CI/CD pipeline in private cloud using Jenkins shared libraries and multibranch pipeline and automated the static code analysis through SonarQube in Jenkins pipeline for checking code quality. o Experience on numerous areas of Jenkins like Plugin Management, Securing Jenkins, Performance issues, Analytics, Scaling Jenkins, integrating Code Analysis and Test Phases to complete the CD pipelines within Jenkins. o Experience in managing the repository manager like Nexus, Jfrog, Artifactory for the Maven builds. Integrated Maven with Jenkins and Javadoc produced by Maven are captured and to build parallel modules for larger maven and Gradle projects. o Installed, Configured, Managed Monitoring Tools such as Splunk, Nagios for Resource/ Network/ Log Trace Monitoring and also different Bug Tracking Tools like Remedy, Jira, ServiceNow and Clear Quest. o Experience in Branching, Merging, Tagging, and maintaining the versions across the environments using SCM tools like GIT, GitLab, GitHub, Subversion, Bitbucket and experienced in migrating Bitbucket repositories to GitHub. Technical Skills: Cloud GCP, Azure, AWS Configuration Management Tools Ansible, Chef, Puppet Container tools Kubernetes,Docker Build Tools Maven, Gradle CI/CD Tools Jenkins, Azure DevOps Infrastructure as Code Terraform, ARM templates Version Control Tools GIT, BitBucket, Azure Repo Monitoring Tools Data Dog, Stack Driver, Prometheus, Grafana,CloudWatch, Nagios, JIRA, Splunk Databases MySQL, Aurora, RDS, MS Access, NoSQL (MongoDB, DynamoDB) Web and Application Servers Nginx, JBoss, Apache Tomcat, WebSphere Networking/Protocols TCP/IP, DNS, DHCP, WAN, SMTP, LAN, FTP/TFTP, SSH Operating Systems Linux (RedHat Enterprise Linux, CENTOS, FEDORA), Amazon Linux, Ubuntu, Windows. Scripting Python, YAML, Ruby, Bash, PowerShell, JSON Certifications: AZ-400: Designing and Implementing Microsoft DevOps Solutions Microsoft Certified: DevOps Engineer Expert Microsoft Certified: Azure Administrator Associate CKA: Certified Kubernetes Administrator Role: Site Reliability Engineer Oct2022 - Current Client: Equifax, MO o Experience working on GoogleCloud Platform (GCP) for Cloud Operations using various services like Google Kubernetes Engine (GKE), GoogleCloud Functions, GoogleStorage Bucket, GoogleFirestore, GooglePubSub Topics and Subscriptions, GoogleCloud Engine and Google App Engine, Google Stack Driver, Load Balancing and IAM. o Working on GKE cluster and workloads where multiple applications are deployed on to various environments and monitoring the deployed application logs for the application's availability. o Worked with Terraform templates to create infrastructure on GCP. Also created resources like Service Accounts, Bucket, IAM bindings, Topics and Subscriptions, Firestore Collection and Index usingTerraform modules in multiple environments, and automated infrastructure management. o Worked on Terraform Import to import the already created resources from one state file to another state file. o Perform day-to-day operation and troubleshooting of GKE clusters and Docker in GCP. o Experience in creating various alerts on the GKE cluster container logs integrated to the pagerduty. Experience in creating the monitoring dashboards in the GCP for the Memory and CPU usage of the Pods. o Experience in integrating the Jenkins, Helm, Kubernetes, and Vault with GCPto do automatic and semi-automated releases to development and production environments. o Worked onHelmcharts for managing the Kubernetes environment and creating reproducible builds of Kubernetes applications, managed Kubernetes manifest files and managed Helm package releases, and used Kubernetes and Docker for the CI/CD system to build, test, and deploy. o Implemented a Continuous Delivery pipeline with Docker,Jenkins, and GitHub, whenever a new GitHub branch is created, Jenkins, our Continuous Integration server, attempts to create a new Docker container from it. o Worked on Jenkins CI/CD pipeline jobs for end-to-end automation of building, testing, and delivering artifacts, as well as troubleshooting build issues during the Jenkins build process. Jenkins configuration, troubleshooting, and monitoring of build jobs. o Experience setting up the Datadog monitoring across various GCP services, and created Datadog dashboards for several apps, for real time monitoring of the metrics. o Experience in creating the Synthetic Tests like Ping test, Brower test, Health test in the Datadog for the multiple applications to monitor the up and downtime by sending out alerts in case of any downtime via email. o Coordinated developers with establishing and applying appropriate branching, labelling/naming conventions using GIT source control. o Implemented JIRA to track all issues pertaining to the software development lifecycle and Integration of JIRA with Git repository to track all code changes. Role: Sr. Cloud/DevOps Infrastructure Engineer Dec2020 Sept 2022 Client: Thrivent Financial and Lutherans- Appleton, WI o Azure Cloud Services, Azure Virtual Networks,Azure Blob storage, Azure Resource Groups, AAD, VPN, Azure Load Balancing, ARM template, AzureApplication Gateways, Auto Scaling, API Management, Azure Network Services, deploying Web Apps, Azuremonitoring by Application Insights, and creating Web-Jobs are some of the Microsoft Azure services I have worked on. o Involved in Backing up and Recovering an Azure Virtual Machine from a Recovery Services Vault as well as Azure Site Recovery Services. Having a good knowledge of Understanding on Express Route, Network Security Groups, Storage Accounts, and Storage Explorer. o Provisioning Azure resources of different providers Compute, Network, Application gateway using ARM template and also implemented and maintained dev, test, staging and production environments leveraging infrastructure as code using Azure ARM templates (Infrastructure as code, JSON). o Configured Azure Virtual Networks (Vnets), subnets, DHCP address blocks, Azure network settings, DNS settings, security policies, and routing. In addition, Azure IaaS virtual machines and Cloud services (PaaS role instances) were deployed in secure Virtual Networks and subnets. o Created Azure automated assets, Graphical runbooks, PowerShell run books that will automate specific tasks. Expertise in deploying Azure AD connect, configuring ADFS installation using Azure AD connect. o Developed Azure ARM Templates for different teams to deploy the .Net based application on to Web roles, triggered ARM Templates from the VSTS to build the .Net based applications and worked on Azure Key Vault to encrypt the data. o Configured Private end point for an Azure services like Azure Storage Account, Azure Key Vault, AKS in Virtual Network (Vnet) which provides secure connectivity between clients on my VNet and my Azure services. o Hands-on experience with Azure Pipelines in both classic and Yaml structure pipelines, leveraging various pipeline services such as variable groups, task groups, and so on, to set up Continuous Integration and Continuous Deployment (CI/CD)processes. o Worked on setting up self-hosted agents by installing required tool sets and Azure DevOps Agent in target Linux and Windows servers using configuration management tools such as Ansible, as well as Agents that run as service in Agent pools. o Created branch policies for Azure repositories at the project and individual repository levels using Python and PowerShell scripts and Azure DevOps rest API calls. o Worked with Terraform Templates to automate the Azure IaaS virtual machines using Terraform modules and deployed virtual machine scale sets in production environment. o Terraform backend configured to store the state files in the Azure Blob storage. o Provisioned the high availability of Azure VMs using Terraform and ARM templates, wrote new plugins to support new functionality in Terraform. o Implemented cluster services using Docker andKubernetes to manage local deployments in Kubernetes by building a self-hosted Kubernetes cluster using Terraform and Ansible and deploying application containers o Extensively worked on Terraform modules that had version conflicts to utilize during deployments to enable more control or missing capabilities. Overseen different infrastructure resources, like physical machines, VMs and Docker containers using Terraform. o Designed and implemented Continuous Integration (CI) across multiple environments using tools such as Azure DevOps to facilitate an agile development process that is automated and repeatable, allowing teams to safely deploy code many times per day while ensuring Azure Kubernetes Services (AKS) are supported. o Responsible for implementing containerized applications on Azure KubernetesusingAzure Kubernetesservice (AKS), Kubernetes Cluster for cluster management, Virtual Network to deploy agent nodes, Ingress API Gateway, MySQL Databases for stateless storage of external data, and Nginx reverse proxy setup in the cluster. o Worked with Kubernetes to manage containerized applications by utilizing its Nodes, ConfigMaps, Selector, Services, and deployment of application containers as Pods. o Worked on various CNCF projects such as Flux, Argo for Continuous Integration and Continuous Delivery (CI/CD) and also filtered traffic using a service mesh LINKERD. o Implemented Blue Green Deployment in Kubernetesso that the Pods are highly available for different versions, if there exists an issue with deployment, we can easily rollback to previous versions. o Configured and set up a Kubernetes cluster environment with a master and three minions. Collaborating with the development team to create Docker andKubernetes containers for each micro-service, as well as installing all necessary dependencies for each container. o Created deployment areas such as testing, pre-production and production environment in Kubernetes cluster and configured App Insights, Prometheus and Grafana monitoring dashboard for regular analysis. o Performed various rolling updates on Kubernetes, as well as debugging any issues encountered in the rolling update path and preparing the necessary method of operation for a successful update path. o Created Docker images and customized them as per the requirement, with working on Docker containers, Snapshots, managing Docker volumes, directory structure and removing Docker images. Setup Docker to automate container deployment through Azure DevOps and Worked on creating Docker images for different environments. o Worked with Docker service rolling updates to implement zero downtime PROD deployments and worked with Docker Trusted Registry as repository for our Docker images and worked with Docker swarm. o Experience in migrating On-premises infrastructure to Azure and involved in virtualization using (VMware), OpenStack and infrastructure orchestration using containerization technologies like Docker andKubernetes. o Developed Ansible Playbooks for managing Web applications, environment configuration files, Users, Mount points, and Packages. Ansible modules that have been customized to find facts about Azure Monitor alarms and to take actions to manage those alarms during deployments. o Used Ansible Tower, which provides an easy-to-use dashboard and role-based access control, to make it easier to grant access to individual teams to use Ansible for their deployments. o SonarQube was used in the build system to continuously inspect the code quality, Nagios was used for monitoring, and log analysis was performed using the ELK stack and monitoring charts were created. o Prometheus and Grafana were used to set up infrastructure and monitor services. o Created and wrote Bash, Python, and PowerShell shell scripts for setting up baselines, branching, merging, and automation processes across environments using SCM tools like GIT. Role: Sr. Cloud/DevOps Engineer Jan2019 Nov 2020 Client: Citco- Charlotte, NC o Designed, configured, and deployed solutions on Microsoft Azure usingARM Templates, the AZURE PowerShell Module, and the Azure CLI, with a focus on high availability and auto-scaling. o Worked with Azure Compute Services, Azure Application Gateway, Network Security Group, Web role, Worker role, and Scaling/Management. o Deployed Azure Cloud services (PaaS role instances) into secure Vnets and subnets, as well as designed Network Security Groups (NSGs) to control inbound and outbound access to Network Interfaces (NICs), VMs, and subnets. o Configure Azure Automation DSC configuration management to assign permissions via RBAC, assign nodes to proper automation accounts and DSC configurations, to get alerted when nodes and their configurations change. o Implemented Azure Hybrid integration to integrate applications, data, and processes via APIs. Used Azure compute services and Azure Web apps, as well as Azure Active Directory and Azure Blob Storage to combine data storage, movement, and processing microservices into automated data pipelines. o Developed cloud modules for interacting with Azure services, which provide tools for easily creating and orchestrating infrastructure on Azure as well as automated cloud-native applications in Azure usingAzure microservices such as Azure functions and Kubernetes withAnsible. o Worked on server-less services (Azure Functions), creating and configuring HTTP Triggers in Azure Functions with Application insights for monitoring and performing load testing on the Applications using VSTS (Azure DevOps). o Experience migrating on-premise to Windows Azure DR using Azure Recovery Vault and Azure backups, Docker containers to the cloud in Azure, and creating a Domain Controller in one of the Virtual Machines and adding users to the Domain Controller. o Hands-on experience with Azure Repos source code management, as well as experience on integrating various SCM tools such as GitHub and GitLab via service connections. o Worked on provisioning various services by creating Terraform templates for each service and setting up Continuous Integration and Continuous Deployment (CI/CD) pipelines in Azure. o Working knowledge of the Azure DevOps Administration platform, such as project level permissions, creating new Projects and Teams, and integrating with various external tools. o Worked with Terraform templates to create infrastructure on Azure. Also created resources, using Azure Terraform modules, and automated infrastructure management. Used Terraform to map more complex dependencies and identify the network issues. o Worked on Docker to dynamically provision slaves as needed. Created and maintained Docker files in the Source Code Repository, which were used to build images and run containers for applications and testing. Creating and managing multiple Docker images for middleware installations and domain configurations. o Experience on Docker Compose and Docker Machine to generate Docker containers for testing applications in a variety of environments, as well as automating the deployment, scaling, and management of containerized applications across clusters of hosts using Kubernetes. o Installed and configured Kubernetes effectively Utilized Kubernetes andDocker for the runtime environment of the CI/CD system to build, test and deploy and scheduled, deployed and managed container replicas onto a node cluster using Kubernetes. o Installed Istioservice mesh to enable node to node encryption to provide security requirements that intercepts network policy between microservices. o Experience in building and deploying the application code using Kubernetes CLI called kubectl, kubelet, kubeadm and schedule the jobs using Kube scheduler. Managed K8s charts using Helm and created reproducible builds of the Kubernetes applications. o Set up the Kubernetes provider with Terraform, which is used to interact with Kubernetes resources to create various services such as Config Map, Namespace, Volume, Auto scaler. o Developed Kubernetes manifests for a variety of applications such as Grafana, Prometheus, as well as setting up Kubernetes Clusters for running microservices and pushing microservices into production using Kubernetes-backed infrastructure. o KubeADM was deployed all in one using Ansible playbooks to create various test environments for validating Docker images and helm charts. o Automated infrastructure activities such as Continuous Deployment, Application Server setup, Stack monitoring using Ansible playbooks and worked on Integrating Ansible with Jenkins. o Responsible for building/deploying consistently repeatable deployments to production and non-production environments using Jenkins&Build Pipelines, Maven. o Prometheus was deployed and configured to monitor Kubernetes nodes with node-exporter and Kubernetes API and resources with Kube-state-metrics. Role: DevOps Engineer Sep2017 - Dec 2018 Client: Verisk- Jersey City, NJ o Configured Azure cloud services, Azure storage, Azure active directory. Created and managed Azure AD tenants and configured application integration with Azure AD. o Dealt with Microsoft AZURE IaaS Azure Virtual Networks, Azure Virtual machines, Cloud services, Azure Resource Groups, Express Route, Traffic Manager, VPN, Azure Load Balancing, Azure Application Gateways, Autoscaling. o Configured and provided recommendation for the Azure policy leading to security audit/prevention and Azure AD Privilege management, allowing just in time privilege access escalation for various PAAS services. o Created and managed AWS Cloud Formation Stack using VPC, subnets, EC2 instances, ELB, S3 and integrated it with CloudTrail. Versioned CloudFormation templates are stored in GIT, visualized CloudFormation templates as diagrams and modified them with the AWS CloudFormation Designer. o Configured AWS Identity and Access Management (IAM) Groups and Users for improved login authentication. Provided policies to groups using policy generator and set different permissions based on the requirement along with providing Amazon Resource Name (ARN). o Hands on experience in Automating, Configuring and deploying instances on AWS Cloud environments and Data centers also involved in High Availability and secure multi-AWS cloud infrastructure using Ansible with AWS CloudFormation and Jenkins for continuous integration. o Worked with Terraform for automating VPC's, ELB's, Security groups, SQS queues, S3 buckets and continuing to replace the infrastructure as a code from scratch and Created Terraform Scripts for EC2 instances, Elastic Load balancers and S3 buckets. o Created cloud instance and Docker deployment from tagged Docker builds published to Amazon ECR through the HashiCorp Terraform. Build a Kubernetes POC for container orchestration. o Worked in writing Templates for AWS infrastructure as a code using Terraform and Cloud Format to build staging and production environments. Defined Terraform modules such as Compute, Network, Operations, and Users to reuse in different environments. o Involved in launching Docker containers on pods on top of the multi-node Kubernetes cluster in an AWS environment with the help of KOPS and Kubectl. o Designed and Developed Jenkins Builds deployments on Docker containers. Managing and optimize the Continuous Integration using Jenkins and troubleshoot the deployment build issues using the trigged logs. o Implemented a Kubernetes Container Orchestration solution within OpenStack allowing for easy management, creation & recovery of OpenStack assets. o Architected Jenkins build pipelines in various Linux environments like RHEL, Centos and Windows to build and deploy Java applications. And used Jenkins pipelines to drive all Microservices builds out to the Docker registry and then deployed to Kubernetes. o Implemented CI/CD pipeline using Jenkins, Ansible Playbooks and Ansible Tower and worked on them to automate repetitive tasks, to streamline the applications delivery and services to AWS, to deploy critical applications quickly and proactively manage the changes. o Automated CI/CD pipelines, deployments of web application based on .NET, Node.js, Python, Java, using AWS Code Deploy, Code Pipeline, EC2, and secured by creating IAM roles and policies for services and users. o Integrated Jenkins with various Build tools to achieve successful implementation of Jenkins CI/CD pipeline. Configured and administered Jenkins into Tomcat Application Server jobs and template workflows to improve reusability for building pipelines. o Build Jenkins jobs to create AWS infrastructure from GitHub repos containing Terraform code and administered/engineered Jenkins for managing weekly builds o Implemented CHEFCookbooks for OS component configuration to keep AWS server's template minimal and written recipes and cookbooks for configuring server side through CHEF. o Developed Maven and gradle build scripts, utilized Maven dependency management to deploy snapshot and release artifacts to Nexus Artifactory/JFrog Artifactory. Role: Build and Release Engineer Dec2015 - Aug 2017 Client: Bosch Coimbatore, India o Extensively worked on Bamboo to configure and maintain continuous integration (CI) and end-to-end automation for all builds and deployments. Designed and built various deployment strategies using CI/CD pipelines. o Implemented Continuous Integration technologies like Bamboo. Resolved update password authentication issues in Bamboo and JIRA. o Set up a Continuous Delivery framework in a Linux environment using Jenkins and Puppet. Puppet manifests were created for deploying, configuring and managing collected for metric collection and monitoring. o Implemented installer scripts using Ant and Python for various products to be hosted on App Servers. o Developed Puppet modules to automate key cluster deployment, configuration, and lifecycle management. o Deployed Puppet, Puppet Dashboard, and Puppet DB to existing infrastructure for configuration management. Created recipes and Ruby scripts to customize Puppet as per our environment. o Wrote puppet manifests for configuration management and deploy .Net and Java applications. o Developed MAVEN scripts to build the projects and Migrated ANT to MAVEN Projects. o Managed central repositories and implemented Atlassian Stash and Bit Bucket to host GIT central repositories for source code across products, as well as to facilitate code reviews and login audits for Security Compliance. o Using Nagios, I managed a highly available monitoring infrastructure to monitor various application servers and their components. o Created JIRA Workflows for multiple projects according to business needs and Created projects while keeping up existing projects/agile boards. o Created and managed User accounts, groups, disk spaces in Linux environment. o Provided Linux training and consulting to other teams to ensure that new solutions are built to be scalable, supportable, and affordable. Provide mentoring for other technical staff. Role: Linux System Administrator Feb 2014 - Nov 2015 Client: Cognizant Hyderabad, India o Performed in system builds, server builds, install, upgrades, backup, performance monitoring, reliability of various flavors of Linux like Ubuntu, CentOS, RedHatLinux, Debian, Fedora and SUSE, UNIX (Solaris, IBM-AIX) along with Windows. o Administered Redhat Linux servers for several functions including managing Apache/Tomcat server, Mail server, MySQL database and firewalls in both development and production. o Performed troubleshooting of DNS, DHCP, and Active Directory and fixed NFS, TCP/IP and other protocols in Linux clusters using TOP, vmstat and IOstat command as well as maintained application backups. o Troubleshooting Linux system, security-related issues, capturing packets using tools such as IP tables, Firewall. Package management, setting up repositories, applying patches using YUM and RPM. o Managed RAID (Redundant Array of Independent Disks) in Linux that storues data in multiple copies for high availability and fault tolerance and disk management using Veritas and Logical Volume Manager (LVM) in Unix and Linux. o Created file systems like ext2, ext3, ext4, xfs on disk partitions using command line tool such as fdisk, lsblk, parted and on GUI using Gparted. Setting files and directory permissions at the command line and with ACL's. o Monitoring of network services (SMTP, POP3, HTTP, NNTP, ICMP, SNMP, FTP, SSH) and host resources (processor load, disk usage, system logs) on a majority of network operating systems like UNIX, Linux and Windows using Nagios. Keywords: continuous integration continuous deployment javascript sthree database active directory information technology microsoft Arizona Missouri New Jersey North Carolina Wisconsin