PROFESSIONAL SUMMARY:

• Over 7 Years of IT experience in System Engineer in Administration, migrations and upgrade. Windows /Linux Administration, Cloud Computing (AWS/Azure), VMware Virtualization. Transformed traditional environments to DevOps as Build and Release Engineer, automation and then into virtualized environments with AWS - EC2, EBS, S3, Load Balancing, CI/CD, VMWARE, Open Stacks - Nova, Neutron.
• Experience on AWS cloud services like EC2, S3, RDS, ELB, EBS, VPC, Route53, Auto scaling groups, Cloud watch, Cloud Front, IAM for installing. Experience in VPC creation manually and through wizard. Subnet (Public and Private), Route table, IG/NAT instances, NACL’S, SG, Site to Site tunneling, Peer to Peer VPC connections.
• Involved in deploying the application in cloud platform on Amazon Web Services like EC2 instances, S3, RDS, EC2, EBS, Elastic Load Balancer, Auto-Scaling groups and AMI. Configured and troubleshooted on various Amazon images for server migration from physical into cloud.
• Involved in application deployment on Amazon Web Services using EC2, Elastic bean stack, S3, RDS, EBS, ELB, Auto-Scaling and AMI. Configured Custom Amazon Machine images for infrastructure migration from on-premise to AWS.
• Experience in handling the infrastructure hosted on Microsoft Azure platform, Configuring Azure VNETs, VMs, Azure ELB, Blob storage, web apps, active directory, worker role, service bus, queue, Azure blob, table storages and API Management. Handled both IAAS and PAAS services hosted on Azure cloud.
• Extensive experience in configuring Amazon VPC to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts by creating security groups and setting up inbound and outbound rules and AWS IAM to control user credentials and roles.
• Configured Azure Virtual Networks to expose VMs to internet using Azure ELB, subnets, DHCP address blocks, DNS settings, security policies and routing and experience in Microsoft Azure cloud services (PAAS & IAAS), Blob storage, web apps, active directory, worker role, service bus, queue, Azure blob, table storages and API Management.
• Deployed serverless environments both on AWS used AWS Lambda and Azure Functions in Microsoft Azure. For infrastructure as a code used terraform and Cloud formation for AWS environments. Used Docker for containerization and kubernetes for orchestrating.
• Created ARM templates and expertise in configuring Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto-Scaling. Configured VSTS for CI & CD pipeline, to build and integrated. Monitored services using VSTS.
• Experience in working on Jenkins by installing, configuring and maintaining for CI and for End to End automation for all build using tools like ANT, Maven for user management and deployed in various application servers.
• Tested and automated deployment with Jenkins, Ansible Playbooks and containerized applications using Docker registry / daemon in the AWS cloud for Dynamic scaling capabilities.
• Used GIT for source code version controlling and integrated with Jenkins using webhook for CI/CD pipeline, installed and configured Sonar Qube for code quality tracking, Nexus/Artifactory for versioning.
• Managed Virtual servers on the Amazon Web Services (AWS) platform instances using the Configuration management Ansible by writing the Ansible playbooks to Automate the launching of AWS EC2 instances on Amazon Linux, Ubuntu and RHEL.
• Experience in managing Ansible Playbooks with Ansible roles . Used file module in Ansible playbook to copy and remove files on remote systems. Created inventory in Ansible for automating the continuous deployment.
• Developed AWS infrastructure including the tasks like code review and worked on automation tools like Jenkins and configuration management tool Chef, custom-built cloud hosted applications and used chef for continuous deployment.
• Experience in working with AWS cloud service like Compute, Network, Storage and In-depth understanding of the principles and best practices of Software Configuration Management processes, which include compiling, packaging, deploying and Application configurations.
• Experience in working with building automation to use with the continuous integration scenario for triggering a coordination with TFS Release Management.
• Experienced in hosting Chef Enterprise On-Premise, Installing Workstation, Bootstrapped Nodes for infrastructure automation and local development testing, used EC2 as virtual servers to host GIT, Jenkins and configuration management tools.
• Hands-on experience in working with various version control tools like CVS, Visual SVN, IBM Clear Case, Perforce, and GIT. Developed GIT from scratch and prepared documentation accordingly gaining a strong knowledge on master, branch, merges and tags.
• Expertise in migration and upgradation of application servers like WebLogic, Tomcat and WebSphere and updating JDK versions, patches and installing service packages for WebLogic/tomcat server.
• Installed and configured WebSphere on Linux for development team and deployed built artifacts to that using maven and python scripts.
• Having good implementation experience with installation and configuration of Kubernetes, clustering them designing and preparing which involves several steps like creating nodes, Networks, security models, preparing certificates, credentials, Docker, Bootstrapping the cluster, API server, Controller Manager, Scheduler, starting cluster Services.
• Creation of Pods through new application and control the scaling of pods, troubleshooting pods through ssh and logs, writing/modification of Build configs, templates, Image streams etc.
• Experienced with VMware ESXi Installation/Configuration/Administration with various virtualization components like vCenter, vSphere, processes like vMotion and created templates for cloning of virtual machines using VMware Virtual Client and migrating servers between ESXi hosts.
• Experience in RedHat-Linux, CentOS (5x,6x&7x), Ubuntu, and Windows Server (2008R2/2012R2) Environment and worked in configuring servers using kickstart and PXE Boot installations to initiate installation of Red hat Linux on several machines at once.
• Monitored the servers and checked the network performance using Nagios, AppDynamics, Dynatrace, Splunk, Zabbix for Resource Monitoring/Network Monitoring/Log Trace Monitoring and logging tools like ELK.

TECHNICAL SKILLS:

Operating System: Linux RHEL/CentOS 5.x/6.x/7, Solaris 11/10, Solaris 9/10, Windows 2008/2012 R2/2016 HPUX1 V1, V2, DEBIAN.

Application Servers: Apache, Tomcat, Nginx, Web Logic, WebSphere 6.x,7,8, Application Server, Jboss, LAMP, Jetty

Web Server: Tomcat, Apache, JBoss, Web Logic & Web Sphere 4.0/5.0

Clusters: LSF, Open Lava, Tephra, Vormetric, PBS, NBS (High Availability)

Monitoring Tools: Grafana, Cloud watch, Splunk, New Relic, Prometheus, logic Monitor.

Version Control Tools: Subversion, GIT, GITHUB, Tortoise SVN, Visual SVN

Cloud Environments: AWS, Microsoft Azure, OpenStack

Build & Automation Tools: Ansible, Chef, Puppet, Maven, Jenkins, Spinnaker, Team city, Udeploy, Kickstart.

Networking/Protocol: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP.

Virtualization Technologies: VMware ESXi, Windows Hyper-V, Workstation VM, Virtual box, Citrix Xen, KVM

Scripting: Python, Ruby, Bash Shell, PowerShell, MySQL, JSON

PROFESSIONAL EXPERIENCE:

Confidential, San Jose, CA

Sr. Cloud Engineer/ DevOps Engineer

Responsibilities:

• Extensively worked on Spot instances and EC2 Fleet . Involved in writing scripts using python SDK with boto3 and docopt modules to create, list, describe, modify, delete the instances and launch EC2 Fleet with weights and a mix of on - demand & spot instances.
• Worked with event-driven and scheduled AWS Lambda functions to trigger various AWS resources. Integrated lambda with API-Gateway to launch EC2 instances. Created Cross Account Access and managed to use the Lambda function integrated with API Gateway from one account to another.
• Wrote Python scripts to collect Cluster Names which consists of 100’s of Host machines with their names, Bios, Kernel, firmware in each collected various parameters which improves the performance of Host machines. Created MySQL tables and inserted values from dump which is in JSON format generated by running dmidecode on each machine using Perl scripts.
• Written scripts in Python which updates automatically ID when a machine moves from one cluster to other cluster and hooked the script to Cron Demon which is set up to run daily. Installed and configured puppet for automation and configuration management.
• Written Cloud Formation Templates (CFT) in JSON to create a complete infrastructure ( IAAS ) with VPC, subnets, NAT for web application deployment, used those CFT templates to build staging and other PROD environments.
• Configured Route53 using CFT templates assigned DNS mapping for the AWS servers and trouble-shoot the issues of the load balancer's, auto scaling groups and Route53 . Customized RDS DB instance name and passwords in CFT .
• Created CFT templates by adding parameters to enable stack at launch time and mappings for specific environment. Used metadata and scripts to deploy files and packages in CFT templates .
• Used spinnaker pipeline in cloud for clusters which is automatically triggered by an event for application management and continuous Blue/Green deployments with rolling’s.
• Configured Spinnaker for orchestration such as verifying health checks of load balancers, disabling old server groups and enabling new server groups.
• Involved in writing Ansible playbooks, modules and roles for deploying web applications, security tools, Mount points, Packages and automated the installation of ELK agent with Playbooks using Ansible . Used Ansible for the configuration’s management of EC2 instances hosted in the AWS cloud.
• Created inventory, job templates and scheduled jobs using Ansible tower and writing Python modules for Ansible customizations. Attached profiles and roles using AWS Cloud Formation templates and Ansible modules .
• Used AWS EC2 Container Registry for nodes in kubernetes . Used required images from ECR private registry pool fetched using kubelet to manage and update ECR login credentials.
• Developed Restful API and created VMs in Azure using CURL command and http request (Put, Get, Update, Delete, etc.,). Generated access token, subscription ID, tenant ID and client ID using Azure Active Directory in app registration.
• Used Python and Flask microframework for developing RESTful API followed by creating an endpoint that returns static data (dictionaries). Created a class with few specializations and a few endpoints to insert and retrieve instances of these classes and looking on how to run the API on a Docker container.
• Deployed Jenkins master-slave architecture using Mesos plugin for a highly availability and deployed web applications on top of Mesos cluster.
• Created private cloud using Kubernetes Helm packages and Performed Scaling of applications. Managed to leverage integrated components from Kubernetes to automate application builds, deployments, scaling and management. Used nodes, Config Maps, selector, Services and deployed application containers as Pods.
• Used Prometheus to fetch metrics from kubernetes API’s and created a config map in YAML which contains all configuration files are monitored and alerted using Prometheus .
• Used kubernetes to deploy both stateful and stateless applications. Configured a minikube cluster. Created kubernetes API object files in YAML for nginx server took from Docker image to run an application.
• Used kubectl commands to list, watch, delete and display the information then created POD with both the containers Node.js app and Node.js webserver. The created POD acted as ‘logicalhost’ to our application instance and all workloads such as deployments and jobs. Attached POD to Node and scheduled.
• Created RDS MySQL instance administrated created tables, indexes and maintained backups based on requirement in AWS. Maintained activities like change instances type, enabling read replicas for MySQL . Involved in subnet creation for multi AZ deployment.
• Used Data Migration Service for migrating data by creating replication instance with source and destination (Target) end points.
• Created Filesystem with different volumes at server level and attached them to EC2 instances. Took EBS Hot and Cold snapshots depending on mounted and unmounted files.
• Used to fix the issues in Data Center physically by rebooting and reimaging the host machines whenever they are down. Wrote small scripts in Bash to create and run policies inside DPC . Solved the user’s requests using JIRA ticketing system and used Confluence for documentation. Created VMs using third party service platform9 - VDI in OpenStack .
• Created Dashboards in Cloud Watch to monitor status checks shows in metric graph and created alarm events in Cloud Trial to audit each account region specific and stored in S3 . Created Cloud config for inventory . Created topics with ARN into subscription and added mail ID through SNS .
• Used Splunk - forwarder for collecting logs from the Mesos infrastructure and setted up indexes for visualizing using Splunk dashboards. Created Grafana dashboards for time series events.
• Involved in LSF, Vormetric, Open Lava, Tephra and PBS cluster management with operations team. Submitting the jobs as per user’s requirement and allocated the resources requested.

Confidential, FL

Sr. Cloud Engineer/ DevOps Engineer

Responsibilities:

• Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing . Worked with Azure Active Directory (AAD).
• Created Infrastructure using Terraform and managed different infrastructure resources, like Physical machines, VMs, Docker containers. Used GitHub repos which contains terraform code and created Azure infrastructure which are built using Jenkins.
• Used Azure Terraform to deploy the infrastructure necessary to create development, test, and production environments.
• Managed IP Forwarding for VMs and role instances acting as virtual appliances. Designed Border Gateway Protocol to enable Express Route connections from VPN Gateways and VPN devices between on premise, data centers and Azure Cloud to exchange the routes.
• Designed Network Security Groups for layer 4 Access Control List (ACLs) for incoming and outgoing packets, to control inbound and outbound access to network interfaces (NICs), VMs and subnets .
• Experienced in migrating On - premises Instances or Azure Classic Instances to Azure ARM Subscription with Azure Site Recovery / Azure Backup, Azure RMS and EMS . Designed hybrid network, set up Site to Site & Point to Site VPN between on-prem and Azure Networks.
• Involved in deploying web applications using ARM templates written in PowerShell . Created VM with load balancer using PowerShell scripting and deployed complete infrastructure using ARM templates.
• Configured NSGs for two tier and three tier applications. Experience in migrating on premises VMs, VHDs, storage accounts and pools to Azure and created availability sets. Configured Azure blob storage and Azure file servers. Configured private and public facing Azure load balancers.
• Worked on Serverless services (Azure Functions) configured HTTP Triggers in the Azure Functions with Application insights for monitoring and performing load testing on the Applications using the VSTS .
• Provided HA for IaaS and PaaS role instances for applications and databases on Azure cloud environment. Added server-side scripts to Azure mobile services to implement validations.
• Used GIT repository for Version Controlling of source code and coordinating with CI tools. Also experienced in working with TFS, GitHub, Git-Bash as CLI for version controlling.
• Automated provisioning of AZURE cloud infrastructure with Chef recipes and written chef cookbooks for version controlling. Performed large scale deployments on complex and hybrid infrastructure using Chef, written Cookbook/Recipes using Chef Resources, Ruby DSL, Chef Handlers Report & Exception, Test Kitchen, Chef spec and Vagrant.
• Involved in maintaining Chef Server, Chef workstation, and setting up Boot strapping nodes, creating, uploading recipes and automated deployment of MySQL, Oracle, MongoDB, Apache-Tomcat server, Yum and Rpm Package installations by writing the Cookbooks.
• Used bug tracking systems tool JIRA and REMEDY. Implementation of JIRA to track all issues pertaining to the software development lifecycle (SDLC) and Integration of JIRA with Git to track all code change.
• Integrated Azure with Docker Enterprise edition to create the Azure VM Scale sets for autoscaling and Azure storage. Clustered the microservice based Docker containers using kubernetes.
• Developed CI/CD with Jenkins on Kubernetes container environment, utilizing Kubernetes and Docker for the runtime environment to build, test, deploy and did orchestrating between containers using Docker swarm and writing Docker files.
• Installed, configured and maintained the Docker environments in Linux & Unix systems to house all microservices and created several scripts in python to monitor using Splunk, New Relic and admin all Docker containers.
• As part of continuously delivering Agile team to develop, test, and deploy Data platform features for ongoing test automation using Chef, Python based framework and Setup/teardown of stack.
• Worked on MongoDB documents CRUD operations. Deployed different databases like Oracle, MSSQL and MYSQL on DB service which is configured with persistent storage using the Confidential.
• Done Configuration Management and practices according to SDLC, along with the automation scripting using BASH, Power-shell, Python. Developed and implemented an Agile SDLC and refinement of SCM infrastructure.
• Monitored all infrastructure in real time and created alerts during issues depending upon specific conditions and configured to respond automatically using Splunk. Collected Reports and stored in Dashboards.

Confidential, Morrisville, NC

Site Reliability Engineer

Responsibilities:

• Worked on Architecting Multi AZ Components in AWS like, EC2, IAM, VPC, RDS With Replication, S3 for Object and Static Webpages, Auto Scaling of Micro Services like ECS, ELB with SSL Certs.
• Created Elastic Load Balancers ( ELB ) with Auto scaling groups in multiple available zones to achieve fault-tolerance and high availability. Implemented alarm notifications for EC2 hosts with CloudWatch to monitor the required parameters. In alarms created Topic and integrated with subscription.
• Implemented LAMP stack image in multitier AWS instances in different subnets in Amazon VPC, attached ACL’s and Security Groups to maintain high security.
• Worked on deployment automation using Shell with more concentration on DevOps and CI/CD tools such as Jenkins .
• Wrote Python scripts for building custom utilities, custom data visualization for web apps and for managing files and networks.
• Configured email and messaging notifications, managed users and permissions, system settings and Maintained two Jenkins servers and one Bamboo server to deploy into production and non-production environment.
• Installed and configured Jenkins with GIT, JUnit and with UDeploy and built the artifacts using Maven scripts and stored the artifacts into nexus repository .
• Developed new pom.xml for new Maven build and supported development team to migrate Ant scripts to Maven and Worked on authoring pom . xml files, performing releases with the Maven release plugin and managing Maven repositories.
• Maintained HA clusters and standalone server automated with Ansible. Integrated the AWS for code deployment using Ansible playbooks. Used Ansible to orchestrate the updates and functionality of servers.
• Supported VM provisioning activities, middleware installation and deployment activities using Ansible.
• Created Docker container support and deployed applications, created snapshots, images and managed Docker volumes. Used HP tools Quality Center, LoadRunner, Performance Center and JMeter Open source tool for Performance Testing.
• Worked on installation and configuration of admin server and managed nodes in WebLogic Application Server.
• Experienced in installing, creating Highly Available WebLogic server instances and configuring it with external webserver, database and messaging infrastructure (MQ).
• Created detailed documentation of complex build and release process, post release activities process, JIRA workflow and Release notes. Created deployment request tickets for deploying the code to Production, managed & tracked the defects status by using Remedy tool .
• Developed and maintained built wrapper scripts using Python and Unix Shell script and manipulated the existing scripts to meet the requirements.
• Scheduled the Linux Cron jobs and Jenkins jobs for build automation. Developed Perl and shell scripts for automation of the build and release process.
• Deployed and troubleshoot of various Jenkins issues. Installed and uninstalled, upgraded and downgraded various plugins in Jenkins .
• Coordinated with the firewall team for allowing required ports for migration and with storage team for storage allocations for new servers.
• Configured and maintained SPLUNK across UNIX and Windows platforms and extensive experience in Creating Splunk Dashboards and Alerts.
• Installed, Configured, Managed Monitoring Tools such as Splunk, Nagios for Resource Monitoring, Network Monitoring, Log Trace Monitoring.

Confidential

Build & Release Engineer

Responsibilities:

• Hands on Conflict Management, Branching, forking, Configuration Management, Tagging, Cloning, Merging, Pulling, Pushing, Committing and Reverting Changes in the Source Code Management tools like Subversion, GitHub/GitLab.
• Involved in building and deploying Java SOA applications to DEV, Test, Pre-Prod and Prod Environments using the tools such as ANT, Maven and Jenkins.
• Managed and troubleshooted continuous integration pipeline in Jenkins by Integrating the Source code management tools like GitHub, Bitbucket and automated the triggering of Jenkins build Jobs after the code merges.
• Configured various plugins like Junit, SonarQube in Jenkins and Published test result report, code quality check-up and uploaded the Artifact/Binaries to the Nexus Binary Repository Manager after every successful Maven/Ant build.
• Used Maven build tool to convert build.xml into pom.xml which consist all dependencies files.
• Integrated the Jenkins with chef tool creates WAR, JAR files from Nexus repository and deployed in Apache Tomcat environments.
• Used ANT and Maven as build tools to trigger and generate the JAR files. Configured build tools in Jenkins to move from one environment to other environments.
• Responsible for creating puppet modules and Manifest files from scratch and experience in editing existing puppet manifests and automated manual installation processes using puppet. Also designed and implemented fully automated server build management, monitoring and deployment by Using DevOps Technology with Puppet.
• Troubleshooted the existing ANT files in case of errors or changes according to the project requirements.
• Developed Shell, Perl and Python scripts for release and build automation using Jenkins and Maven. Manipulated the existed scripts to meet the client requirements.
• Coordinated with the Network team for allowing required ports for migration and with storage team for storage allocations for new servers.
• Converted java project from Eclipse to Maven project, troubleshooted the pom.xml changes and automated the build in Jenkins by configuring the Poll SCM and Shell Scripts.
• Written Python Scripts to parse XML/JSON documents and load the data in database. Involved in writing python routines to log into the websites and fetch data for selected options.
• Automation of Web Sphere EAR file artifacts deployed through Jenkins created using Maven and Ant scripts to build the artifacts from the respective source code.
• Involved in monitoring the availability & performance of RedHat Linux Servers through tools like mpstat, vmstat, iostat, netstat and nfsstat . Install, configure, and troubleshoot enterprise-wide Apache web servers and Tomcat application containers in a large Red Hat Linux / CentOS environment

Confidential

Linux Administrator

Responsibilities:

• Installation and Configuration of Red Hat Linux and used Kick-start for unattended Installation. Configured ESXI 5.1 Servers and vSphere Client on Linux and Windows environments, performed the host migration from physical to virtual (VMware) Migrations using VMware VCenter. Converting new LUN’s to data stores and adding them to ESX hosts.
• Hands on, Kickstart (PXE) installations of VM's from test and dev environments. Jumpstart installation of various fully and mostly POSIX compliant systems like AIX 5L & 6, Solaris 9 &10, RedHat 5 &6, CentOS 6 & 7.
• Expertise in creating and configuring RAID Levels, managing Virtual Disks, Disk Mirrors in Red hat-Linux while Implementing Disk Quotas and Managing ACLs per user and groups as per company requirement. Increasing and reducing logical volumes, swapping, mounting and unmounting file systems and have strong knowledge in RAID Technologies.
• Experience with VMware Virtualization using ESX hypervisor of vSphere 4.0. Worked on server’s consolidation and virtualization using UML Linux, XEN and VMware virtual infrastructure, VMware ESX, VMware VCenter.
• Worked on SAN storage on ESXI servers and assigning the LUNs to the virtual machines running on the ESXi server. Administered UNIX Systems for clustered AIX Servers running Dynamic LPARs with fiber attached SAN storage.
• Migrated VM's over versions of VMware ESX clusters(V2V) and converted physical machines to VMware server VM's (P2V) using VMware VCenter Converter.
• Migrated Virtual Machine from one LUN to the other with the use of Storage V-Motion, created standard Template from VM’s and deployed the VM’s from template and allocated resources from resource pool.
• Troubleshooting Backup and Restore problems Creation of LVMs on SAN using Linux utilities.
• Installed and Configured SAMBA Server in Linux environments for accessing the shared files from the windows environment.
• Worked on Grub, PXE boot, Packages, Yum, RPMs, LVM, Boot from SAN, file system configuration and performed backup in restoring files using tar, gzip and cpio.
• Performing installation, configuration, upgrades, Package administration and support for Linux systems on client side using RPM and YUM. Setting up the NIC bonding for the servers with critical information.
• Implemented and maintained Apache HTTPD, SMTP, DHCP, NFS, NIS, LDAP, DNS, SAMBA, SQUID, Postfix, Sendmail, FTP, Remote Access, Security Management Security trouble shooting skills.
• Deep understanding of Layer 7 protocols like HTTP, DHCP, DNS, and SSL/TLS. Hands-on experience in writing Shell scripts using Ruby, Bash, shell and Python for process automation of databases.
• Regular backing up of critical data and restoring backed up data Worked in solving tickets issued on day to day activities and problems related to development and test servers.

Confidential

System Administrator

Responsibilities:

• Expertise in installation, configuration, and administration of Linux environments ( Red Hat, CentOS and Ubuntu ) and Solaris systems. Installing and Configuration of RedHat Linux and used Kick - start for unattended installation. Build the RPM packages and updated the RedHat package manager as well as YUM repository.
• Implemented administration of classified Linux / UNIX systems within strict security policies and procedures includes the following tasks. Experienced in the BIOS upgrade and OS installations and configurations and maintenance.
• Created shell scripts ( bash, ksh ) to monitor system resources and system maintenance and Performed administrative tasks such as System start-up/shutdown, and Backup strategy and scheduled Cron jobs for job automation.
• Configuration and Administration of Load balancers and F5's, taking servers in/out of rotation. Diagnosing, monitoring performance issues using PS, TOP, vmstat and netstat . Reviewing logs for failures. Installing and Configuring NFS file system and shared them to clients.
• Created groups, created login IDs for large number of servers, added Users ID to a group as a primary or secondary group, removing Users ID from a group as well as adding users in Sudoers file.
• Experience in implementing and configuring of Volume Management by using Veritas Volume Manager, Solaris Volume Manager ( SVM ) using mirroring the root volume group, and Logical Volume Manager ( LVM ) with various RAIDS in LINUX .
• Created filesystems using RedHat volume manager and performed health checks on a regular basis for all the Linux servers and added storage to the cluster disks and managed the filesystem size in RHEL .
• Expertise in hardening Linux Server and Compiling, Building and installing Apache Server from sources with minimum modules.
• Installed and configured VMware ESXi 3.x, 4.x servers and applied security patches to ESXi servers.
• Creating templates to deploy multiple virtual machines and clone using VMware virtual client and migrating machines between hosts with HA and DRS .
• Worked on Virtualizing Red hat servers using vSphere 4.1/5.0 and managed ESX servers using vCenter and worked with ESX Cluster and Motion.
• Create and configure LVM based EXT3 and NFS4 based Cluster file systems on SAN LUNS utilizing Multipath to assist redundant path detection and increase I/O stability.
• Worked on Virtualizing Redhat servers using vSphere 4.1/5.0 and managed ESX servers using vCenter and worked with ESX Cluster and Motion.