PROFESSIONAL SUMMARY:

• Over 6 years of experience in IT industry as a Linux Administrator, Build and Release Engineer, DevOps and Cloud Engineer (Amazon Web Services, Microsoft Azure and Google cloud platform) with major focus on Cloud Resource Utilization, Source Code Management, Infrastructure Automation, Continuous Integration, Continuous Delivery and Continuous Decitiliployment.
• Knowledge in understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, Scrum, and Waterfall methodologies.
• Highly proficient in AWS Cloud platform and its features which includes EC2, VPC, EBS, AMI, SNS, RDS, EBS, Cloud Watch, Cloud Trail, Cloud Formation, AWS Config, Auto scaling, Cloud Front, IAM, S3, and Route53.
• Hands - on experience in configuration of network architecture on AWS with VPC , Subnets , Internet Gateway and also in creating snapshots and Amazon Machine Images ( AMI ) of the instances for backup and creating clone instances.
• Experience in maintaining AWS Identity and Access Management (IAM) components including creating users, groups, roles, policies and access control for various AWS services.
• Experience in provisioning and administering EC2 instances and configuring EBS, S3 cross region replication, Elastic Load Balancer, configure Auto scaling, setting up CloudWatch alarms, Virtual Private Cloud (VPC) and RDS, based on architecture.
• Experienced in Migrating on premise data center workloads to cloud platforms and created server less architecture using AWS Lambda.
• Developing process automation Powershell DSC 4.0,5.0. Setup and configure pull server, creating custom resources, working with various system modules and configuration
• Proficient in creating Cloud Formation templates that describes all AWS resources so that you can spend less time managing those resources and more time focusing on your applications that run in AWS.
• Experience in working with Terraform for automating ELBs, Security Groups, SQS Queues, S3 Buckets, and continuing to replace the rest of our infrastructure.
• Used Terraform to map more complex dependencies and identify network issues and worked with Terraform key features such as infrastructure as code, execution plans, resource graphs and change automation.
• Expertise in Azure Development worked on Azure web application, App services, Azure storage, AzureSQL Database, Azure Virtual Machines, Azure AD, Azure search, Azure DNS, Azure VPN Gateway and Notification hub.
• Experience on Server less services and configuring HTTP Triggers in the Azure Functions with application insights for monitoring and performing load testing on the Applications using the VSTS and monitored OMS Log Analytics in Azure Security Center for Trouble shooting the Compute, Storage and Networking.
• Experience in creating and managing pipelines using Azure Data Factory, copying data, configuring data flow in and out of Azure Data Lake Stores according to technical requirements.
• Experienced in deploying the code through web application servers like Web Sphere, Web Logic, Apache Tomcat, Nginx and JBOSS.
• Worked on Hudson, Jenkins and Bamboo for continuous integration and for end to end automation for all build and deployments including setting up pipeline jobs and upstream/downstream job configurations in Jenkins.
• Experience in creating Jenkins file in the root of a repository by using Groovy that contains a definition of Jenkins Pipeline to automatically manage and execute jobs based on repository branches.
• Used Jenkins and pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes.
• Implemented zero downtime deployment process in WebLogic using Python and Ruby, shell script and automated it using integrations tool Jenkins.
• Deployed and configured Chef server including bootstrapping of Chef client nodes for provisioning and experience in developing Chef recipes through Knife command-line tool through Ruby scripts to create Chef cookbooks to manage systems configuration on Chef Server to initiate Chef Nodes.
• Worked with Ansible playbooks and inventory which are the entry point for Ansible provisioning and management where the automation is defined through tasks and run Ansible scripts to provision servers.
• Wrote Ansible playbooks by using YAML script to launch AWS instances and used to manage web applications, configuration files, used mount points and packages.
• Administration experience in branching, tagging, develop, manage Pre-commit, Post-commit hook scripts and maintaining the versions across different Source Code Management (SCM) tools like GIT, Subversion (SVN) on Linux and Windows platforms and SCM client tools like GitLab, GitHub, GitGUI and BitBucket.
• Strong experience in using Maven and Ant as build management tools for building of deployable artifacts (jar, war and ear) from source code and used Nexus, JFrog and artifact repository managers for Maven builds.
• Experience in integrating Ant and Maven build tools with Jenkins in order to automate the build process as a part of continuous delivery.
• Hands-on Experience in Puppet Modules involved in node classifications, hierarchy data and developed puppet roles & profiles and managed Puppet Dashboard/ Puppet DB for configuration management to existing infrastructure.
• Experience in build & deployment in DevOps through automation using scripting languages such as Shell , Bash , Perl , JSON , Ruby , Groovy and Python .
• Strong and progressive experience in the server installation of Red Hat Linux, Centos, Oracle Enterprise Linux, VMware ESX&ESXI environment
• Proficient in using different Bug tracking tools like Jira, Rational Clear Case, Bugzilla and IBM Clear Quest.

SKILL:

Cloud Environment: Amazon Web Services (AWS), Windows Azure and Google Cloud Platform (GCP).

Version Control Tools: GIT, GitHub, GitLab, Subversion (SVN), and BitBucket.

Build Tools and Artifactory: Maven, Ant, JFrog and Nexus.

Automation & Configuration Tools: Docker, Jenkins, Bamboo, Chef, Puppet, Ansible, Salt stack, Terraform Java, Java Development, Grafana, Kabana, Nagios, Prometheus.

Orchestration Tools: Kubernetes, Docker swarm, Apache Mesos, Marathon and Google Cloud Engine, iOS

Application Servers: WebLogic, Apache Tomcat, JBoss, WebSphere and Nginx.

Networking Protocols: TCP/IP, DNS, DHCP, Cisco Routers/Switches, WAN, LAN, FTP/TFTP and SMTP.

Bug tracking and monitoring Tools: JIRA, Bugzilla, Nagios, Cloud Watch, Splunk, ELK and SonarQube.

Scripting Languages: Shell Scripting, Python, Ruby, Perl, Yaml, Node.js and Groovy.

Operating Systems: Linux (Red Hat, CENTOS & SUSE), Ubuntu, Solaris, DEBAIN and Windows.

WORK EXPERIENCE:

DevOps/Cloud Engineer

Confidential, Phoenix, AZ

Responsibilities:

• Executed Infrastructure as code and leveraged AWS such as Elastic Cloud Computing (EC2), Simple Storage Services(S3), Cloud Formation Template, Glacier, Block Storage, Elastic Beanstalk, Amazon Lambda, Virtual Private Cloud(VPC), Elastic Load Balancer(ELB), Relational Database Service(RDS) and Cloud Watch.
• Used AWS Cloud Formation templates for provision the infrastructure necessary to create development, test and production environments and configured users and groups using the Amazon Identity and Access Management (IAM) using MFA multi factor authentication to secure AWS accounts.
• Designed, configured and deployed AWS for a multitude of applications utilizing the AWS stack, focusing on High-Availability, Fault tolerance, and Auto-scaling and involved in Architect, Build and maintain Highly Available secure multi-zone AWS cloud infrastructure utilizing with AWS Cloud Formation .
• Integrated AWS Lambda with AWS CORE to automatically respond to events in DynamoDB streams and created AWS S3 API to manage buckets and upload objects. Followed various bucket policies to provide server side encryption to all the objects stored in the bucket.
• Worked on Packer with Terraform for c reating identical machine images for multiple platforms from a single source configuration and used Machine images formats in different platform include AMIs for AWS EC2 , VMDK / VMX files for VMware .
• Worked with AWS Code Pipeline and creating cloud formation JSON templates which are converted to Terraform for infrastructure as code to spin up the servers in AWS as per environment requirement to implement Blue - Green Deployment.
• Creation of the PowerShell script for the execution of the chef-client in a zero manner to support the ad-hoc deployment of the cookbooks
• Configured Azure Virtual Networks, subnets, DHCP address blocks, Azure network settings, DNS settings, security policies and routing. Also, deployed Azure virtual machines and Cloud services into secure Virtual Networks and subnets. Competent using AzureService Fabric for developing microservices and application lifecycle management.
• Deployed ASP.NET web Application in Azure using Web App service, connected it to Azure SQL Database and used VSTS to provide CI/CD pipeline and created Azure Active Directory(AD) tenants and managed to restrict the access to VSTS (Virtual Studio Team Service).
• Used Agile Methodologies - Scrum meetings to manage full life-cycle development of the project and configured VMs in Availability sets using Azure Portal to provide resiliency for IaaS based solution and scale sets using Azure Resource Manager to manage network traffic.
• Exported data to AZURE Data Lake Stores and stored them in their native formats using different sources, Relational and Semi-structured data using Azure Data Factory and implemented Azure Cloud Infrastructure to create ARM templates for AZURE Platform .
• Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing and exposed to Virtual Machines and cloud services in the VNets to the internet using Azure External Load Balancer.
• Performed provisioning of IAAS, PAAS Virtual Machines and Web, Worker roles on Microsoft AZURE Classic and Azure Resource Manager, and Deployed Web applications on Azure using PowerShell Workflow.
• Worked on Kubernetes charts using Helm and created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and Managed releases of Helm packages.
• Nagios Xi Applications monitoring thru SNMP MIBs and OIDs
• Used Kubernetes to manage containerized applications using its Nodes, ConfigMaps, selector, services and deployed application to Kubernetes cluster , t roubleshoot containerized application and manage the cluster for creating or modifying individual Kubernetes resources.
• Strong knowledge on front-end java development using Adobe Flex, MXML, Action Script, AJAX, Java Scripts, CSS, HTML and DHTML
• Used kubectl command-line tool to communicate with Kubernetes cluster and run kubectl as reverse proxy to handle location of API server for authentication and utilized kubectl proxy by passing an authentication token directly to the API server.
• Used Kubernetes as an open source platform for automating deployment, scaling and operations of applications containers across clusters of hosts and provided container centric infrastructure.
• Managed Docker and Docker containerization using Kubernetes and created Docker images using a Docker file, worked on Docker container snapshots, removing images and managing Docker volumes.
• Implemented containerization and orchestration using Docker for micro service-based applications and using Docker to setting up ELK with Docker -Composed and virtualized the servers using the Docker for the test environments and Agile dev-environments.
• Built and deployed Docker containers to break up monolithic app into Micro-services, improving developer workflow and optimizing speed and converted our staging and Production environment from a handful AMI's to a single bare metal host running Docker.
• Configured SSH, SMTP, Build Tools, and Source Control repositories in Jenkins. Installed multiple plugins to Jenkins and configured Proxy to get auto updates and worked in Jenkins server Capacity planning and wrote GITLAB scripts for Jenkins server restarts and Expect scripts for Jenkins remote agents.
• Administered GIT Repositories and managed account administration, branching, merging, patch fixes and snapshots by creating post commit and pre-push hooks using Python in Git Repositories .
• Developed build using MAVEN as build tools and used CI/CD tools to kick off the builds move from one environment to other environments and Installed & administered Nexus repository to deploy the artifacts generated by Maven and to store the dependent jars which are used during the build.
• Wrote several Ansible playbooks for the automation that was defined through tasks using YAML format and run Ansible Scripts to provision Dev servers and installed and Implemented GITLAB configuration management system and used Ansible to manage Web applications, configuring Files, Users, Mount points and Packages.
• Created inventory, job templates and scheduling jobs using Ansible Tower and managed Ansible roles from Ansible Galaxy to automate the infrastructure, implemented and designed AWS virtual servers by Ansible roles to ensure deployment of web applications.
• Built iOS Storyboards with Tab Bar Controllers creating segues between different views, established IB Outlet, IB Actions in the storyboard.
• Worked on Ansible along with Ansible Tower can be used to automate different software java development processes all over the organization. Deployed the java application into web application servers like Apache, Tomcat.
• Provided mobile and web based prototypes and proof of concepts for new business java development.
• Worked collaboratively on an agile team to implement software development life cycle to quickly deliver working software solutions to meet business needs.
• Product Nagios Xi Administratio Involved in integrating Chef cookbooks into Jenkins jobs for CD framework, and worked with various custom resources, created roles for environments and used Chef Handlers for different auto kickoff requirement jobs.
• Worked on some iOS 9 bug fixes.
• Used Chef to develop the infrastructure code for Testing team for some applications and created Chef Recipes for deployment build internal data center server and re-used Chef Recipes to deploy directly into AWS EC2 instances.
• Worked on Splunk for User administration setup, maintaining account, monitor system performance, configured network and server monitoring .
• Created ELK Dashboards and Parsing logs in Graylog and configured Elastic search, Logstash and Kibana ( ELK ) for log analytics, full text search, application monitoring in integration with GITLAB .
• Implemented rapid-provisioning and life-cycle management for CentOs Linux server and skilled in supporting WebSphere , Web logic , and JBoss application Server.
• Good Working knowledge of Build scripts and automated solutions using various scripting languages like Shell , Python , Groovy , Ruby and YAML .
• Used JIRA as ticket tracking and work flow tool and involved in setting up JIRA as defect tracking system and configured various workflows, customizations and plugins for the JIRA bug/issue tracker.

Environment: AWS, Virtual Private Cloud (VPC), AWS Lambda, AWS CORE, AWS AMI’s, Tomcat, Grafana, Kabana Nagios Nginx, Terraform, Docker Engine, Docker, Kubernetes, Web Sphere, Web Logic, Apache Tomcat, Java, Java development Selenium, JBOSS, GIT, GitHub, GitLab, Maven, Nexus, Jenkins, Ansible, Splunk, JIRA, SonarQube, YAML, Python, Ruby, Groovy.

AWS/DevOps Engineer

Confidential, Kalamazoo, Michigan

Responsibilities:

• As a passionate on AWS, involved in migration of business from a physical data center environment to AWS and designed, built and deployed multitude applications utilizing almost all the AWS stack focusing on high-availability, fault tolerance, and auto-scaling with CloudWatch monitoring
• Involved in designing and deploying a multiple application using almost all of the AWS services mainly EC2, Route53, S3, RDS, DynamoDB, SNS, SQS, CloudTrail, Snowball, CloudWatch, Cloud Formation, and CloudFront.
• Created roles, users and groups and attached policies to provide minimum access to the resources using AWS Identity Access Management (IAM).
• Created AWS S3 buckets, S3 versioning, life cycle policies, backup files, achieve files in Glacier, performed folder management in each bucket, managed cloud trail logs and objects within each bucket.
• Created multiple VPC’s, public and private subnets as per requirement and distributed them as groups into various availability zones of the VPC.
• Created NAT gateways and instances to allow communication from the private instances to the internet through bastion hosts and used Kinesis to stream the data over thousands of data sources.
• Worked on AWS OpsWork, AWS Lambda, AWS CodeDeploy, AWS cloud formation and cloud foundry.
• Involved in writing Java API for Amazon Lambda to manage some of the AWS services and created highly available environments using auto-scaling and load balancers.
• Managed Amazon Redshift clusters such as launching the cluster by specifying the nodes and performing the data analysis queries.
• Created multiple targets in iOS app which is used for various environments in testing the app.
• Nagios Xi Applications monitoring thru SNMP MIBs and OIDs
• Used amazon SNS for notification services and participated in scrum meetings and followed Agile Methodology.
• Created alarms and notifications for EC2 instances using CloudWatch and maintained edge location to cache data with CDN using CloudFront to deliver data with less latency.
• Involved in building/maintaining Docker container clusters managed by Kubernetes, Linux, Bash, GIT and Docker on Google Cloud Platform (GCP).
• Maintenance of the user accounts (IAM), Cloud SQL, Cloud DNS, VPC, RDB, Cloud Datastore Cloud Bigtable, and Cloud Pub/Sub services in Google cloud platform.
• Used Terraform in AWS Virtual Private Cloud (VPC) to automatically setup and modify settings by interfacing with control layer and automated data log dashboards with the stack through Terraform scripts.
• Used Docker continuous deployment tool to run, ship and deploy the application. Worked with container base deployments using Docker, working with Docker images, Docker Hub and Docker-registries.
• Involved in virtualization technologies like VMWare, Vagrant and worked with containerizing applications like Docker swarm and Mesos.
• Migrated Mesos to Docker Swarm for the micro services project and worked to setup Jenkins as a service inside the Docker swarm cluster to reduce the failover downtime to minutes and to automate the Docker containers deployment without using configuration management tool.
• Created branches and managed the source code for various applications in GIT. Managed and implemented central repositories along with GIT to host central repositories for source code across products, facilitate code reviews and login audits for security compliance.
• Created various Maven scripts to create multiple deployment profiles and deploy the applications to Apache Tomcat.
• Created local and virtual repositories in JFrog artifactory and integrated with Jenkins.
• Defined dependencies and plugins in Maven pom.xml for various activities and integrated Maven with GIT to manage and deploy project related tags and servers.
• Worked with continuous integration tool Jenkins to build and test the team's software projects and automated Maven builds by integrating them with continuous integration tool Jenkins.
• Set up Continuous Integration (CI) for major releases in Jenkins and TeamCity and worked on Upstream and Downstream Jobs in Jenkins. Provisioned instances, storages & monitoring services and CI/CD pipeline through Jenkins.
• Created Ansible playbooks to provision Apache web servers, Tomcat servers, Nginx, Apache spark and other applications.
• Worked on some iOS 9 bug fixes
• Implemented Ansible modules for deployment on build on internal data centre servers and re-used and modified same Ansible modules to create a deployment directly into Amazon EC2 instances.
• Worked with Ansible Tower to manage multiple nodes and manage inventory for different environments and automated the cloud deployments using Ansible, Chef, Python (boto & fabric) and AWS Cloud Formation.
• Invoked Chef Cookbooks from the Chef super market, and modified according to the application requirement. Repaired broken Chef Recipes and corrected configuration problems with other Chef objects.
• Used configuration management tool Chef, installed workstation, bootstrapped nodes and created Chef cookbooks using recipes to automate system and uploaded them to Chef server. Building Cookbooks in Ruby and managed node runlists and pushing them into Chef Server.
• Created and modified build scripts used in the build process and build automation using Perl and Groovy scripts.
• Managed large-scale deployments in stage and production environments and created scheduled jobs using Shell, Ruby and Python scripts.
• Used SonarQube in build system for continuously inspecting the code quality, Nagios for monitoring and performed log analysis using ELK stack and created monitoring charts.
• Installing, upgrading and configuring Linux Servers using Kickstart as well as manual installations and the recovery of root password.
• Installed and deployed Red Hat Enterprise Linux, CentOS, and installation of packages and patches for Red Hat Linux servers.

Environment: AWS, Google Cloud Platform, Docker, OpenShift, Docker swarm, Mesos, Prometheus VMWare, Vagrant, Git, Maven, Jenkins, TeamCity, Ansible, Chef, Berkshelf, Test Kitchen, Knife, Chef super market, runlists, Chef Bootstrap, Perl, Groovy, Shell, Ruby, Nagios, SonarQube, Python, ELK, Red Hat.

DevOps/Cloud Engineer

Confidential, McLean, VA

Responsibilities:

• Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWS Cloud watch and used Amazon Glacier for archiving data, Amazon RDS to manage, create snapshots, automate backup of database and used Route53 with latency options for high availability and fault tolerance.
• Designed scalable and highly available Domain Name System ( DNS ) within AWS Cloud to route traffic to AWS Cloud from users connected using AWS Direct Connect for larger deployments and worked on AWS Cloud Watch, Cloud Trail services and Cloud Front to set up and manage cached content delivery.
• Implemented CI / CD Pipelines for automated prod deployments in AWS by integrating with other systems like Jenkins , Chef and HP Service Manager using REST APIs and used security groups, network ACLs , Internet Gateways, NAT instances and Route tables to ensure a secure zone for organizations in AWS public cloud.
• Responsible for day to day Build and deployments in Dev, QA, pre-production and production environments. Implemented AWS high-availability using AWS Elastic Load Balancing ( ELB ), which performed balance across instances in multiple availability zones.
• Created Docker containers and Docker consoles for managing the application life cycle, Extreme Programming practices and used Docker - Hub , creating Docker images and handling multiple images primarily for middleware installations and domain configurations.
• Configured applications that run multi-container Docker applications by utilizing the Docker - Compose tool which uses a file configured in YAML format and Docker for the runtime environment of the CI / CD system to build, test and deploy.
• Worked on deployment automation of all the micro services to pull image from the private Docker Registry and deploy to Docker swarm cluster and worked on Docker container snapshots, removing images and managing Docker Volumes .
• Configured and deployed GIT repositories with branching forks, tagging, merge requests and notifications. Integrated Eclipse IDE with different versioning tools like SVN and GIT.
• Built end to end CI / CD Pipelines in Jenkins to retrieve code, compile applications, perform tests and push build Worked with Jenkins API's to know various things like build status, count of builds by using Groovy.
• Maintained build related scripts developed in shell for Maven builds. Created and modified build configuration files including POM files and implemented code coverage and unit test plug-ins like Find Bugs, Check style and PMD with Maven.
• Created Chef Recipes - Concept of Test Driven Development for Infrastructure as a Code to other environments with setting up Chef Infrastructure, creating and uploading recipes, node convergence in Chef SCM.
• Deployed and configured Chef Server, Chef Solo and Chef Compliance including bootstrapping of Chef client nodes for provisioning; Created roles, cookbooks, and recipes for server configuration, deployment, and app stack build.
• Configured multiple platform servers using Puppet and used Core and Custom Resources in Puppet Manifests to make the dependencies in the classes and also defined site-specific and global variables using Puppet hiera.
• Deployed Puppet & Puppet DB for configuration management to existing infrastructure and wrote Puppet manifests to automate configuration of services and also used Puppet server workstation to configure nodes.
• Used Puppet for automating Continuous Deployment ( CD ) and implemented infrastructure automation through Puppet for auto provisioning, code deployments, software installation and configuration updates.
• Worked on Nagios as monitoring tool for resource Monitoring, Network Monitoring and log Trace Monitoring.
• Configured commercial SSL certificates for Applications Servers such as WebSphere , WebLogic , Tomcat using NGINX and Apache web servers to terminate SSL endpoint.
• Managed a large deployment of CentOs Linux instances systems with Terraform and provision virtual servers using Vagrant and kitchen in Oracle VM virtual box, provisioned servers in AWS EC2.
• Written custom scripts using Python , Perl & Shell (bash, ksh) to automate jobs and also used shell scripts and Perl scripting to take backup oracle database.
• Used Jira, Crucible bug tracking tool for both hosted and local instances for issue tracking, workflow collaboration and tool-chain automation.

Environment: AWS, Redshift, Glue, Lambda, Cloud Formation, Docker, Docker Volume, snapshot, Git, Maven, Nexus, chef, puppet, Jenkins, SVN, Jira, Crucible, Nagios, Cloudwatch, Tomcat, JBOSS, Terraform, WebLogic, Nginx, Ruby and Python.

Build and Release Engineer

Confidential

Responsibilities:

• Installation and configuration of Red Hat Enterprise LINUX servers Ubuntu, Centos on remote servers and desktop servers.
• Participated in the release cycle of the product which involved environments like development, INT, QA, UAT and production.
• Extensively worked with version control systems like GIT , Perforce version and Subversion control systems.
• Resolved conflict of the branching and merging of the code line while using the GIT and subversion tools.
• Managed source control repository in subversion- controlling and monitoring check-in's & create tags for builds.
• Developed build and deployment scripts using Ant as build tool in Jenkins to move from one environment to other environments.
• Installed Maven and implemented Maven builds to automate artifacts like jar, war and ear and managed Nexus to download the artifacts during the build.
• Extensively worked on Jenkins and Hudson for continuous integration and End to End automation for all build and Bamboo tools for continuous deployment.
• Worked on creation of Puppet manifests files and slave/node architecture. Written manifests/Recipes and Ruby scripts to customize the Puppet/Chef as per our environment.
• Performed setup of clustered environment with Apache Tomcat application server and used Puppet to configure and maintain tomcat servers.
• Responsible for the development and maintenance of processes and associated scripts/tools for automated build, testing and deployment of the products to various developments.
• Setup infrastructure and build script to enable build and release process.
• Performed merging from development to parent branches prior to building the code.
• Used various bug tracking tools like Bugzilla and Jira and integrated with Junit, JMeter and HP QC.
• Worked on various scripting language like Bash, Shell, Perl and Python for compilation deployment Processes.

Environment: GIT, Perforce, Puppet, Subversion, Nexus, Ant, Maven, Jenkins, Bamboo, JIRA, Bugzilla, Junit, HP QC Apache Tomcat, Shell Script, Perl Scripts, Unix/Linux, Windows XP and Red Hat Enterprise.

Linux Administrator

Confidential

Responsibilities:

• Worked in infrastructure team on installation, configuration and administration of CentOS 5.x/6.x/7, Red Hat Linux 8/9, RHEL 5.x/6.x/7, Red Hat Satellite 6, Windows Server 2003, 2008 and SUSE Linux 10.x/11 Experience in creation of environments on virtual machines to be handed over to development and QA teams.
• Set up and administer user and groups accounts with restricted permissions. Install and configure Web servers, file servers, firewalls, and directory services with ability to diagnose basic configuration bottleneck.
• Worked on network services (processor load, disk usage & system logs) and host services like SNMP, FTP, SSH, HTTP, UDP, TCP/IP and SMTP.
• Configured kick start server and updating/applying patches to the servers using Red Hat Satellite server.
• Involved in hardening, Linux Server and Compiling, Building and installing Apache Server from sources with minimum modules.
• Worked with installation of Patches, FTP, unzip, untar, scheduling of cron jobs, worked with server monitoring using commands like uptime, ping and Solaris 10 utilities like svcs, svcadm.
• Deployment and Configuration of application server Tomcat deploying Java and Web Application.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, and MySQL databases in both development and production.
• Installation and configuration of RedHat Linux on VSphere and VMWare ESX.
• Kernel tuning, writing shell scripts for system maintenance and file management and written Perl scripting to take backup Oracle database.
• Worked closely with network and security team to open the required port for communicating during migration. Commended for technical, analytical and problem-solving skills; effective task prioritization; and customer service orientation.

Environment: Red Hat Linux, CentOs, VMWare, Virtual Machines, Logical Volume Manager, Shell, Global File System, Red Hat Servers, Oracle, MySQL, Veritas Volume Manager, Veritas Net backup, Netstat, KSH/Perl programming, DNS, NIS, NFS, Apache, Tomcat, Windows servers and VMware .