SUMMARY

• DevOps Engineer with 8+ years of experience in IT industry managing cloud infrastructure like Amazon Web Services (AWS), Google Cloud (GCP) and Azure.
• Gained hands - on experience in implementing core DevOps concepts such as containerization, virtualization, version control, cloud computing, database management and load balancing.
• Proficient on Amazon Web Services and with the configuration of various cloud services like EC2, Elastic Load Balancing, Auto Scaling, S3, VPC, SES, SNS, IAM, Cloud Watch, Cloud Front, Lambda, Elastic Cache, Elastic Beanstalk, Cloud Formation, Route53, Ops Works, Redshift, DynamoDB and RDS.
• Experience in migrating production infrastructure intoAWScloud utilizingAWSServer Migration Service(SMS), DatabaseMigration Service,Elastic Beanstalk,CloudFormation, Code Deploy, Code Commit, EBS & OpsWorks.
• Worked with IAM service creating new IAM users & groups, defining roles, policies, and Identity providers and implemented using the grid system for it according to users.
• Created alarms and trigger points in CloudWatch based on thresholds and monitored the server's performance, CPU Utilization and disk usage for operational & performance metrics during load testing.
• Experience on Azure Serviceslike VM, App Service, Websites, SQLAzure, Storage, Blob Service, Cosmos DB, Network Services, VNets, Load Balancer, Resource Manager, Scheduling andPowerShellAutomation.
• Worked with Azure Active Directory service creating Azure AD authentication, Roles, Users and groups.
• Also worked on Application registration using Azure Active Directory to create Service Principle connections between Azure DevOps and Azure Cloud for linking the web app services to make deployments.
• Experience in migrating from on-premises toWindows Azureand buildAzure Disaster RecoveryEnvironment andAzurebackups from the scratch usingPowerShellscript.
• Experienced on Google Cloud Platform services like Compute engine, Stack driver monitoring, Cloud load balancing, Cloud storage, Cloud SQL, Stackdriver and Cloud deployment manager.
• Worked on setting up Google Cloud Platform Firewall rules in order to allow or deny traffic to and from theVM'sinstances based on specified configuration.
• Experience in designing aTerraform templateand deploying it using cloud deployment manager to spin up resources like virtual cloud networks,Compute Enginesin public and private subnets along withAutoScalerinGoogle Cloud Platform.
• Experience in utilizing orchestration technology Google Kubernetes Engine onGCP to provide highly available and fault tolerant applications. Create clusters in Google Cloud and managed them using GKE.
• Experience in creating Docker images and pushing them to container registry of GCP.
• Extensive experience in Ansible, Ansible Tower and Terraform as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Expertise in writingAnsible Playbooksfrom scratch usingYAMLfunctions to automate theCI/CDpipeline and deploy MicroServices, including provisioning AWS environments using Ansible Playbooks.
• Provisioned load balancer, auto-scaling group and launch configuration for MicroServices usingAnsible
• Experience in defining Chef Server and workstation to manage and configure nodes. Writing Chef Recipes to automate our build/deployment process and do an overall process improvement to any manual processes.
• Experience in usingPuppetto automate repetitive tasks and quickly deploy critical applications
• Experience in creating customPuppet moduleskeletons to manage change and able to writtenmanifestsand Ruby scripts to customize thePuppet as per requirement configuration.
• Create AWS instances via Jenkins with EC2 plugin and integrated nodes in Chef via knife command line utility.
• Implemented Continuous Integration concepts using Jenkins, Azure DevOps, Bamboo, Team city and AnthillPro.
• Extensively worked on Jenkins by configuring and maintaining End-to-End automation for all build and deployments including setting up pipeline jobs, upstream and downstream job configuration in Jenkins.
• Implemented and created CI/CD pipelines in Azure DevOps for .net applications using Azure Repos and deploying to Azure Web Services for various environments like Dev, INT, UAT and Prod.
• Extensive experience in using Maven, Gradle, MS Build, Visual Studio and ANT as build tools for building of deployable artifacts (jar, war & ear) from source code. In addition, used Artifacts repository managers likeNexus,JFrogfor Maven & Ant builds.
• Experience in creating Docker Containers leveraging existing Linux Containers and AMI's in addition to creating Docker Containers from scratch. Virtualized the servers usingDockerfor the test and dev environments needs.
• ManagedDocker orchestration and Docker containerizationusingKubernetes.
• Experience in using Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes K8 cube.
• Experience in Virtualization technologiesVMWare,Virtual box, for creating virtual machines and provisioning environments and in usingTomcatandApacheweb servers for deployment and for hosting tools.
• Strong use of Shell scripting languages including Bash for Linux and Mac platforms and PowerShell for Windows systems. Experienced with Interpreted Languages including Perl and Python.
• Installed, Configured, Managed Monitoring Tools such as Splunk, Nagios for Resource Monitoring, Network Monitoring and Log Trace Monitoring.
• Generated reports usingSonarQube, which covers different areas of Code quality like bugs and code coverage.
• Experience in Installing, upgrading and configuring Red Hat Linux 4.x, 5.x, and 6.x using Kickstart Servers.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX, Linux (RedHat, CentOS & SuSE), SolarisUNIX, Centos and Ubuntu, Win NT/2000 Server.
• Configuration and administration of VMware ESXI, vCenter, vSphere Client and Linux / Windows clients.
• Users and group creation, monitoring and maintaining log for system status & health using Nagios system monitor.
• Strong development and design experience with variousJavaandJEEframeworks likeSpring, Spring boot, Groovy, Apache CXF, Apache Axis, JPA, Hibernate, Struts, JSF and JMS.
• StrongJavaScript development experience including frameworks such as Angular JS, Require JS, and JQuery.
• Experience in building Cross browser responsive web application usingHTML5, CSS3, Bootstrap and CSS
• Experience in working with various Relational Databaseslike Oracle, DB2, MySQLand Teradata building complex queries, functions, triggers and store procedures.
• Experienced on Subversion, BitBucket, GitHub Enterprise and Azure Repos. Proposed and implemented branching and merging strategies.
• Expertise in working with different Bug Tracking ToolslikeJIRA,Bugzilla,ServiceNow, and HP Quality Centre.
• Efficient in working closely with teams to ensure high quality and timely delivery of builds and releases. Experience in installing, configuring, managing, tracing complex build problems, release issues and trouble shooting skills
• Team player with excellent interpersonal skills, self-motivated, dedicated and understanding the demands of 24/7 system maintenance and has good customer support experience.

TECHNICAL SKILLS

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

Infrastructure as code: Terraform, Cloud Formation.

AWS Services: EC2, VPC, IAM, S3, Elastic Beanstalk, Cloud Front, Redshift, Lambda, Kinesis, DynamoDB, Storage Gateway, SMS, and SNS.

Azure Services: VM, Azure DevOps, App Service, Websites, SQL Azure, Storage, Blob Service, Cosmo DB, VNets, Load Balancer, Resource Manager, Scheduling & Power Shell Automation.

Operating Systems: Linux (Red Hat, CentOS & SUSE), Ubuntu, Solaris, DEBAIN, HP-UX, Windows.

Scripting: Shell Scripting, Groovy, Python, Ruby, Perl and Power Shell, Yaml.

Version Control Tools: GIT, GITHUB, GitLab, Subversion (SVN), Bitbucket.

Build Tools: Maven, Gradle, Sonar, Nexus, Ant.

Containerization Tools: AWS ECS, Docker, Kubernetes, Mesos.

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

Configuration Tools: Chef, Puppet, Ansible, Jenkins.

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

Networking Protocols: TCP/IP, DNS, DHCP, WAN, LAN, FTP/TFTP, SMTP.

Monitoring Tools: Nagios, AWS Cloud Watch, Splunk, ELK.

Bug Tracking Tools: JIRA, Bugzilla, Red Mine, HP QTP.

PROFESSIONAL EXPERIENCE

Confidential, St. Louis, MO

Sr. DevOps Cloud Engineer (AWS/Azure)

Responsibilities:

• Created and Managed Virtual Machines inAzureand setting up communication with the help of endpoints.
• Configured VMs availability sets usingAzureportal to provide resiliency for IaaS based solution and scale sets usingAzureResource Manager to manage network traffic.
• Designed and configured Azure Virtual Networks (VNets), subnets, network settings, DHCP address blocks, DNS settings, and security policies & configured Border Gateway Protocol routes to enable ExpressRoute connections between on-premise data centres & Azure cloud.
• Led implementation of Azure Active Directory for single sign-on access to hundreds of cloud SaaS.
• Configured Azure Role-based Access Control (RBAC) to segregate duties within our team and grant access to users that they need to perform for their job.
• Created the CI/CDAzureDevOpsPipe-line & Deployment Automation for .net, java & UI based Web Applications.
• Worked with Git for source code version control and integrated with Azure DevOps for CI/CD pipeline.
• Created dashboards inAzure DevOps forCI/Pipelines. Identified and logged defects inAzure DevOps and interacted with developers to priorities the issues.
• Configured three types of blobs (block blobs, page blobs, and append blobs) inAzurefor storing a large amount of unstructured object data, that can be accessed from anywhere viaHTTPorHTTPS.
• Worked on Azure Fabric, MicroServices & Docker containers and involved in setting it up.
• Used Azure Internal Load Balancer to provide high availability for IaaS VMs and PaaS role instances.
• Worked withAWS CLIandAPIto manage resources onAWSfor servicesEC2,S3,VPC,Cloud Watch,ELB,Auto-scaling, created python script usingAWS APICalls to manage all resources deployed.
• ConfiguredAWS IAMand Security Groups in Public and Private Subnets inVPC.ManagedIAMaccounts andIAMpolicies to meet security audit & compliance requirements.
• Provided high durability of the available data using data storage in theAWS S3bucket, versioningS3, lifecycle policies. Also, web hosting the data from theS3bucket by creating URLs.
• Utilized AWS CLI to automate backups of ephemeral data-stores to S3 buckets, EBS and create AMIs for critical production servers as backups.
• Used AWS Beanstalk for deploying and scaling web applications and services deployed with Java, Node.js, Python and Ruby on servers like Apache, Nginx, and Tomcat.
• Written templates forAWSinfrastructure as code usingTerraform to build staging & production Environment.
• Deployed and configuredElasticsearch,Logstash, andKibana (ELK)for log analytics, full-text search, application monitoring in integration withAWS LambdaandCloudWatch.
• Configuring theDockercontainers and creatingDockerfiles for different environments. Worked with container-based deployments using Docker, working with Docker images, Docker Hub, Docker-registries and Kubernetes.
• Creating clusters usingKubernetesand worked on creating many pods, replication controllers, deployments, labels, health checks and ingress by writingYAML files.
• UsedJenkinsand pipelines to drive all micro-services builds out to theDocker-registryand then deployed toKubernetes, CreatedPodsand managed usingKubernetes.
• Setting upChef Infra, bootstrapping nodes, creating and uploading recipes, node convergence inChef SCM.
• Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef Server, Managed on-site OS Applications, Services & Packages using Chef as well as AWS EC2 & S3 with Chef Cookbooks.
• Worked on Ansible setup, managing hosts file using YAML linter, authoring playbooks and modules with Ansible.
• Created inventory in Ansible for automating the continuous deployment & wrote playbooks using YAML scripting.
• Solved Gateway time issue on ELB, and moved all the logs to S3 Bucket using Terraform templates.
• ConfiguredELKstack in conjunction withAWS& usingLogStashto output data to S3& reducedElasticsearchdisk space usage by 66% by automatingElasticsearchmaintenance usingJenkins.
• Automated the cloud deployment using Chef, Python, and AWS Cloud Formation Templates.
• Responsible for managingAWSresources in the cloud and maintain Continuous Integration and Continuous Deployment(CI/CD)pipeline in Jenkins for fast-paced robust application development environment.
• Created Chef Cookbooks, wrote recipes in Ruby Script to install, configured Infrastructure across environments, and automated the process using Python Script.
• Involved in Setting upChef Workstation,bootstrappingvarious enterprise nodes, setting up keys.
• Worked on using aGITbranching strategy that included developing, feature & staging branches as well as master.
• Coordinated with developers to establishing and applying appropriate branching, labelling/naming conventions usingGITsource control. Pull requests and code reviews were performed.
• Configured Jenkins, used as Continuous Integration tool for Installing and configuring Jenkins Master and hooking up with different build slaves. Automatized Java application builds using Ant and Maven.
• Used Nagios as a monitoring tool to identify and resolve infrastructure problems and worked on Nagios event handlers in case of the automatic restart of failed applications and services.
• Configured and maintained CI/CD tools GIT, Jenkins, Maven, Docker-registry/daemon, Nexus and JIRA for Local/POC/Non-Prod/Prod environment in AWS cloud platform.
• UtilizedVirtualizationtechnologies likeVMWare,Virtual Box, worked with containerizing applications like Docker, Kubernetes,and worked onApacheandFirewalls in both development and production.

Environment: AWS, AZURE, Chef, Docker, Ansible, Jenkins, Terraform, Kubernetes, ANT, Maven, Ruby, Shell, Python, WebLogic Server, Load Balancers, WLST, Apache Tomcat, Virtualization, Configured plug-ins for Apache HTTP server, Nginx, LDAP, JDK, XML, GitHub, Nagios, Splunk.

Confidential, Green Bay, WI

Sr. DevOps Cloud Engineer (GCP/AWS)

Responsibilities:

• Responsible for Setup and build AWS infrastructure using resources VPC, EC2, S3, RDS, Dynamo DB, IAM, EBS, Route53, SNS, CloudWatch, CloudTrail, Security Group, Autoscaling and RDS using CloudFormation templates.
• Deployed and monitored scalable infrastructure on AWS and configuration management instances and Managed servers on the AWS platform using Chef Configuration management tools and Created instances in AWS as well as migrated data to AWS from Data center.
• Developed strategy for cloud migration and implementation of best practices using AWS services like database migration service, AWS server migration service from On-Premises to cloud.
• Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWS CloudWatch / Splunk and assigned AWS elastic IP addresses to work around host or availability zone failures by quickly re-mapping the address to another running instance.
• Provisioned the highly available EC2 Instances using Terraform and cloud formation and wrote new python scripts to support new functionality in Terraform.
• Managed AWS infrastructure as code (IaaS) using Terraform. Expertise in writing new python scripts in order to support new functionality in Terraform. Provisioned the highly available EC2 Instances using Terraform and CloudFormation and Setting up the build and deployment automation for Terraform scripts using Jenkins.
• Worked on Google Cloud Platform (GCP) services like compute engine, cloud load balancing, cloud storage, cloud SQL, stack driver monitoring and cloud deployment manager.
• Created custom log metrics usingStackdriverlogging and create charts and alerts using the custom log metrics. SetupAlertingandmonitoringusingStackdriverinGCP.
• Used Terraform and Packer for creating google compute instances. Created base images using Packer.
• Created shared VPC with different tags in a singleGCPproject and using the same in the entire project. Set up VPC peering to connect different VPC network.
• Worked on GKE Topology Diagram including masters, slave, RBAC, helm, kubectl, ingress controllers GKE Diagram including masters, slave, RBAC, helm, kubectl, ingress controllers.
• Worked on Jenkins file with multiple stages like checkout a branch, building the application, testing, pushing the image into GCR, Deploying to QA3, QA9, Acceptance testing and finally deploying to production.
• Managed Docker orchestration and Docker containerization using Kubernetes. Used Kubernetes to orchestrate the deployment, scaling, and management of Docker Containers.
• Created and deployed Kubernetes pod definitions, tags, labels, multi-pod container replication. Managed multiple Kubernetes pod containers scaling, and auto-scaling. Deployed pods using Replication Controllers by interacting with Kubernetes API server defining through declarative YAML files.
• Worked on installing, configuring and managing Docker Containers, Docker Images for Web Server Applications, Implemented Docker-maven plugin, and maven pom.xml to build Docker images for all MicroServices and later used Docker file to build the Docker images from the java jar files.
• Created Docker images using Docker file, worked on Docker container snapshots, removing images and managing Docker volumes and virtualized servers in Docker as per QA and Dev-environment requirements and configured automation using Docker containers.
• Worked on Docker-Compose, Docker-Machine to create Docker containers for testing applications in the QA environment and automated the deployments, scaling and management of containerized applications.
• Implemented Ansible configuration management system. Used Ansible to manage Web applications, Environments configuration Files, Users, Mount points, and Packages also Worked with automation/configuration management using Ansible and created playbooks in YAML to automate the development processes.
• Added required images to Vagrant and create servers out of Images for testing and automated infrastructure build-out and systems provisioning using Ansible and Ansible Tower.
• Developed build and deployment scripts using Maven in Jenkins to move from one environment to other.
• Supported Maven multi-module builds and store artifacts in a remote repository in artifacts.
• Worked with the development team to generate deployment profiles (jar, war, rar) using Ant Scripts and Jenkins.
• Worked on writing Jenkins build a pipeline with Gradle script and Groovy DSL (Domain Specific Language) and integrating Ant/Maven build scripts with Gradle for the sole purpose of continuous build.
• Built and maintained ELK stack to collect logs and to monitor applications. In addition, installed, monitored and configured Applications in Nginx and Apache Tomcat Server, established connectivity to databases, and troubleshoot issues on the fly.
• Created Pre-commit hooks in Perl/shell/bash for authentication with JIRA-Pattern Id while committing codes in SVN, limiting file size code and file type and restricting development team to check-in while code commit.
• Deployed and configured JIRA, both hosted and local instances for issue tracking, workflow collaboration, and tool-chain automation.
• Used monitoring tools Nagios and Splunk to improve application performance and implemented SPARK communication tool chat bot for triggering alerts.

Environment: AWS, EC2, RDS, ELB (Elastic Load Balancing), S3, Cloud watch, Cloud Formation, Route53, Lambda, MAVEN, Nexus, Chef, Terraform, Jenkins CI/CD, Nagios, Jira, SHELL, Python, VPC, Autoscaling, Apache, JBoss, Nginx, Tomcat, GIT, Docker, Kubernetes, GCP.

Confidential, New York, NY

DevOps AWS Engineer

Responsibilities:

• Configuring of monitoring and alerting tools according to the requirement like AWS CloudWatch, CloudTrail, Dynatrace, Nagios, Splunk Enterprise and SNMP monitoring for the VPN connections.
• Written Cloud Formation Templates(CFT)inJSONandYAMLformat to build theAWSservices with the paradigm of Infrastructure as a Code.
• Involved inAWSEC2, VPC, S3, SQS, SNS based automation throughPython,and BashScripts. Adopted new features ELB&EBS as Amazon released them.
• DevOps role converting existing AWS infrastructure to Server-Less architecture (AWS Lambda, Kinesis).
• Create automation and deployment templates for relational and NoSQL databases including MSSQL, MySQL, Cassandra and MongoDB in AWS.
• Part of the developer team supporting the automation of software delivery across multiple AWS regions and availability zones while helping to reduce its data centre footprint to support an agile disaster recovery system.
• Worked on Linux Shell and Perl Scripting, UNIX, Window, Build and Release Engineering principles.
• Releasing code to testing regions or staging areas according to the schedule published.
• Worked onTomcat,JBoss,Web LogicandWeb Sphere Application serversfor deployments.
• Worked on User and Group creation, Monitoring and maintaining the logs using Linux commands and Nagios.
• Worked on Continuous Integration(CI)system i.e.Puppetfor official nightly build, test and managing change list.
• Used bothGIT to manage code. Coordinated and assisted developers with establishing and applying appropriate branching, labelling/naming convention using GIT source control.
• Implementing aContinuous Deliveryframework usingPuppetin multiple environments.
• Worked on Puppet Server and workstation to manage and configure nodes, writing puppet manifests to automate the configuration of a broad range of services.
• Deployedpuppetto existing infrastructure and implementedpuppet modulesfor server housekeeping.
• Actively involved inArchitectingthepuppetinfrastructure to manage servers in different environments.
• UtilizedPuppetforconfiguration management of hosted Instances withinAWS.
• ConfigureELKstack in conjunction withAWSand usingLogStashto output data toAWS S3.
• Implemented Release schedules, communicated the Release status, created Roll out Plans, tracked the Project Milestones, prepared the reports, and chaired the Release calls & worked for successful release of Jira Application.
• Developed and implemented Software Release Management strategies according to the Agile Process.

Environment: AWS CloudWatch, CloudTrail, Nagios, Splunk, EC2, VPC, S3, ELB & EBS, Lambda, MongoDB, PowerShell, SVN, GIT, Puppet, Maven, Nexus, Python Scripts, Perl Scripts, Ruby Scripts, Bash Scripts, Puppet, XML, JIRA.

Confidential

Java DevOps Engineer

Responsibilities:

• Set upJenkinsserver and build jobs to provide continuous automated builds based on polling theGitsource control system during the day and periodic scheduled builds overnight to support development needs usingJenkins,Git,J-unit,Selenium, andMaven.
• Used the Eclipse as IDE, configured and deployed the application onto WebLogic application server using Maven build scripts to automate the build and deployment process.
• PreparedJava/J2EEdevelopment structure for Eclipse, Maven.
• Created SQL queries, PL/SQL Stored Procedures, Functions for the Database layer by studying the required business objects and validating them with Stored Procedures using DB2. Also used JPA withHibernateprovider.
• Implemented web services for communicating by usingSOAP hosted in the AWS.
• Worked withHibernate3.0, which includes integrating legacy databases, writing custom CRUD statements, integrating stored procedures and functions and performed polymorphic associations.
• DevelopedhibernateDAO Accessor Classes usingSpringJDBC Template and Worked withHibernatefor object relational mapping and connection management.
• Worked on running and managing web Apps usingAWSElastic Beanstalk. Coordinated withQAandDEVteams for validating theCRs.
• Developed the Presentation and Controller layers using JSP, HTML,JavaScript, Business layer usingSpring(IOC, AOP), DTO, JTA, and Persistent layer DAO,Hibernatefor all modules.
• Implemented User interface (UI) entire application using JSP, JSTL, Custom Tag Libraries, JavaScript, XML/XSLT, HTML and CSS. Created applications, connection pools, deployment of JSPs, Servlets, and EJBs in WebSphere.
• UsedGITas a version control system to store current and previous versions of source code.
• Providing technical assistance in creating High Level & Low-Level design usingspring framework,Web Logic,SOAP Web Services,JDK.

Environment: Java, J2EE, Spring Frame work, Soap, Hibernate, HTML, CSS, JavaScript,AWS, JQUERY, AJAX, JSON, XML, YUI, APACHE TOMCAT server, Angular JS framework, JPA, SOAP UI, REST web services, spring web flow, Boot strap.

Confidential

Build/Release Engineer

Responsibilities:

• Developed and Implemented Software Release Management strategies for various applications according to the agile process. In addition, responsible for designing and deploying best SCM processes.
• Supported and developed tools forIntegration,Automated Testing, andRelease Management.
• UsedSubversionasSource Code Repositories. ManagedSVN repositoriesfor branching, merging and tagging. Analyse and resolve conflicts related to merging of source code forSubversion.
• Coordinate/assist developers with establishing and applying appropriatebranching,labelling/naming conventionsusingGITsource control.
• Installing and configuring Jenkins onLinux Machines. UsedJenkinsforContinuous Integrationand deployment intoTomcat Application Server.
• Developed build and deploymentscripts usingAntandMavenasbuild toolsinJenkinsto move from one environment to other environments.
• Installedand configuredInfrastructure AutomationtoolChef. MaintainedHigh Availabilityclusters & Standalone Server environments withscriptingand configuration management(Chef).
• UsedMaven,Chef Cookbooksto build the application and deploy.
• Monitored day-to-day system administrator's activities which includes performance monitoring and tuning, disk space issues, send mail issues, Tools related issues,FTP,Telnet& application-oriented issues.
• Deployed and monitored scalable infrastructure and configuration management usingChef.
• Maintained and coordinated environments configuration, controls, code integrity, and code conflict resolution & worked on Nagios for monitoring the systems.
• DevelopedShell/Perl ScriptsforAutomationpurpose.

Environment: Chef, Maven, Nagios, Subversion, Power Shell, Shell/Perl, SCM, Jenkins, Tomcat.

Confidential

Linux Administrator

Responsibilities:

• Installed, and configured RHEL using Kickstart and Solaris 9, 10 using Jumpstart.
• Implemented virtualization environment using VMware ESXi 5.5, ESXi Cluster and vCenter Server. Created, configured and maintained virtual machines in VMware ESXi with different OS. Created clones, and snapshots of virtual machines in VMware ESXi.
• Migrated VMWare Virtual servers from one host group to new host group using vMotion. Involved in server migration from Solaris to RHEL, and from physical server to virtual server.
• Improved service levels by guaranteeing appropriate resources to virtual hosts using VMWare Distributed Resource Scheduler (DRS).
• Added the SAN LUNs to the OS, laying out the file systems, volumes, building rootdg and mirroring using VxVM.
• Provided user administration like adding or deleting users, groups, group, and password aging.
• Implemented system upgrades including hardware, operating system and patch upgrades.
• Configured run scripts to run the services at start up.
• Wrote shell and python scripts to automate admin jobs such as monitoring the servers for resource consumption, processes running, file handling such as moving, copying and renaming files, reading data from the files etc.
• Wrote crontab for scheduling of automatic repetitive jobs, and executing shell scripts.
• Installed and configured MS SQL server and Oracle in Linux server.
• Installed and configured Tomcat and Jboss in Linux server.
• Assisted the middleware administrators in deploying the web and enterprise applications in the deployment environment that included MS SQL server 2008, Oracle 11g, Jboss 6.x, and Tomcat 7.
• Worked on Nagios for systems and networks monitoring.
• Debugged day-to-day issues and problem relating to systems, software and servers.
• Documented application configuration details in Solaris, and RHEL environment.

Environment: RHEL 5.x, 6.x, Solaris 9, 10, VMWare ESXi 5.5, VMware DRS, vMotion, SAN, VxVM, Shell Scripting, Python, MS SQL server 2008, Oracle 11g, Jboss 6.x, Tomcat 6.