SUMMARY

• Over 8 years of comprehensive experience in the areas of DevOps, AWS Cloud, CI/CD pipeline, Build/Release Management and Linux/Windows Administration.
• Worked on installation, configuration, maintenance and troubleshooting of Red hatLinux, SuseLinux, Ubuntu, Fedora, CentOS, Sun Solaris and some Windows Servers.
• Experience on complete software development life cycle (SDLC) with software development models like Agile, Scrum Model, JIRA, Waterfall model.
• Experienced in branching, tagging and maintaining the version across the environments using SCM tools like GIT, Subversion (SVN) and TFS onLinuxand windows platforms.
• Configuring and installing VMware Virtual Center servers and VMware Vcenter Appliance.
• Managed VMwareESXi hosts using vSphere client and Web client. Created and deployed LVM, resized the logical volume and volume group.
• Highly motivated and committed DevOpsEngineer experienced in Automating, configuring and deploying instances on AWS, Microsoft Azure and Rackspace cloud environments and Data centers.
• Build and configure a virtual data center in the AWS cloud to support Enterprise Data Warehouse hosting including Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer (ELB).
• Transfer data from Datacenters to cloud using AWS Import/Export Snowball service.
• Automate deployment for SaaS based application oncloudusing Chef Enterprise, Pivotal Cloud FoundryandAWS.
• Manage Amazon Redshift clusters such as launching the cluster and specifying the node type as well.
• Setup and build AWS infrastructure using various resources, VPC EC2, RDB, S3, IAM, EBS, Security Group, Auto Scaling, SES, SNS and RDS in Cloud Formation JSON templates, Route53, Lambda.
• Worked on AWS for deploying EC2 instances consisting of various flavors viz., Oracle Linux, RHEL, CentOS, Ubuntu and Solaris in both Linux and Windows.
• Created and deployed VMs on the Microsoft cloud service Azure, managed the virtual networks, Azure AD and SQL.
• Experience in maintaining Atlassian products like JIRA, Confluence, Bamboo and Bitbucket.
• Experience in development and deployment of applications using JBoss, IBM WebSphere Application andApacheTomcat.
• Knowledge inTerraformas infrastructure providers, build images using Packer.
• Designed highly available, cost effective and fault tolerant systems using multiple EC2instances, Auto - Scaling, Elastic Load Balance (ELB) and AMIs and Glacier for QA and UAT environments as well as infrastructure servers for GIT and Chef.
• Designed and implemented for fully implemented server build management, monitoring and deployment by using chef.
• Deployment to AWS withChef, Ansible and Terraform towards AWS or Google Compute cloud, and using Terraform for building, updating, and versioning infrastructure safely and efficiently, as well as creating custom in-house solutions withChefor Puppet configurations.
• Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby, Shell/Bash, Perl, Groovy and Docker on familiar servers like Apache.
• Involved in development of test environment on Docker containers and configuring the Docker containers using Kubernetes.
• Created and updated Puppet manifests and modules, files and packages stored in GIT repository. Responsible for implementing Puppet for applications deployment.
• Developed Playbooks usingAnsibleto deploy consistent infrastructure code across multiple environments.
• Installed Jenkins/Plugins for GIT repository, setup SCM polling for immediate build with maven and maven repository (Nexus Artifact) and deployed apps using custom Ruby modules through puppet as a CI/CD process.
• Experienced in working with IIS webservers and deploying the dot net applications into the webservers.
• Worked on monitoring tools such as Nagios, Splunk,ELKStack (Elasticsearch, Logstash, Kibana), CloudWatch.
• Delivered the setup monitoring/reporting needed for Confidential various levels of application stack using technologies Nagios, AppDynamics, NewRelic, Splunk.
• Experience in Installing, configuring Cloud Foundry Ops Manager, App Manager, Etc.
• Monitoring the servers using tools like BMC and Nagios and providing 24x7 on call support rotation basis.
• Expertise in Installing and Managing LDAP, NIS, NIS+, NFS, DHCP, SAMBA, DNS etc.Knowledge of using Routed Protocols like FTP, SFTP, SSH, HTTP, HTTPS and Direct connect.

TECHNICAL SKILLS

Operating system: Linux (RHEL (Red Hat 4/5/6/7), CENTOS & SUSE), Solaris 11/10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, HPUX11i V1, V2 & V3, Ubuntu 12/13/14, Windows NT /2000/2003, DEBIAN.

Application Servers: WebLogic Application server 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBoss 4.22. GA Web Sphere 6.x/7.x/8.x

Automation Tools: Jenkins, chef, Puppet, Ansible, Docker, Vagrant, Terraform, Kickstart, OpenShift

Version control tools: GIT, Subversion (SVN), Bitbucket, GitHub

Web servers: Tomcat, APACHE 2.x, 3.x, JBOSS 4.x/5.x, Web Logic (8/9/10), Web Sphere4.0/5.0 and nginx

Networking/Protocol: DNS, DHCP, CISCO Routers/Switches, Palo alto, WAN, TCP/IP, NIS, NFS, SMTP, LAN, FTP/TFTP, Juniper, Cisco

Scripting: Perl, Python, Ruby, Bourne, Node.JS, Groovy, Bash shell, Power shell scripting

Virtualization Technologies: VMWare ESXi, Windows Hyper-V, Power VM, Virtual box, Citrix, Xen

Cloud Environments: AWS, Amazon EC2 & S3, Azure, Rackspace, OpenStack

Databases: RDBMS, NoSQL, MySQL, DB2, PostgreSQL, MongoDB, Cassandra DB

Volume manager: VERITAS volume manager, LVM with Linux

Bug Tracking Tools: Bitbucket, JIRA, Confluence, Bugzilla

Monitoring Tools: Nagios, CloudWatch, Splunk, App dynamics.

PROFESSIONAL EXPERIENCE

Confidential - Salem, NH

Cloud AWS DevOps Automation Engineer

Responsibilities:

• Experience with system analysis, troubleshooting and performance tuning of operating systems.
• Configured network services like DNS, DHCP, IPv4, IPv6, IPsec, VPN, TCP/IP etc.
• Hardening and Patching of Centos, RHEL and Solaris servers. Patching inLinuxusing yum and in Solaris upgrading and patching on standalone servers using single user mode, and on production servers using an alternate boot environment (ABE).
• Created and wrote shell scripts (Bash), Ruby, Perl, Python and Power shell, JavaScript and XML for automating tasks.
• Worked on AWS EC2 Instances creation, setting up AWS VPC, launching AWS EC2 instances different kind of private and public subnets based on the requirements for each of the applications.
• Designed and deployed AWS solutions using EC2, S3, RDS, EBS, Elastic load Balancer (ELB), Auto-scaling groups,Opsworks.
• Managed AWS infrastructure provisioning (S3, ELB, EC2, RDS, Route 53, IAM, security groups - CIDR's, VPC, NAT) and deployment and EC2 Installs with CentOS, Ubuntu and RHEL 6.
• Expertise in Amazon AWSCloud Administration which includes services: EC2, CloudWatch, S3, EBS, VPC, RDS, ELB, Route 53, SNS, SQS, Lambda, DynamoDB, Auto Scaling, Security Groups, ECS, Kinesis, RedShift and CloudFormation.
• Written various Lambda services using Python and Java for automating some of the tasks.
• Used SSM Commands to run the shell script on Linux instances for server startup etc. and invoked the run command using Lambda.
• Experience with container based deployments usingDocker and working withDockerimages, Docker hub andDockerRegistries.
• UsedTerraformsto launch EC2 instances by writing a configuration file and destroy them if not required.
• Run a single command on the nodes to provision the infrastructure of the organization usingTerraform.
• UsedTerraformsto set up the AWS infrastructures such as launching the Ec2 instances, S3 buckets objects, VPC, Subnets.
• Created various custom extensions in XL deploy as per application requirements.
• Responsible in implementing end to end automation using XL release and XL deploy tools for Test and Production pipelines.
• Installed the Ear, War files using XL deploy & XL release and Integrated Jenkins with XL deploy & XL release, created Infrastructure and Environments for multiple applications in XL deploy, Responsible for upgrading and checking compatibility of XL release and deploy versions
• Worked on Deployment Automation of all microservices to pull image from Private Docker registry and deploy to Kubernetes Cluster.
• Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple namespace versions.
• Develop proactive monitoring tools using AppDynamics, Splunk, and Azure Application Insights to create dashboards, views, and queries, and alerts that provide awareness into critical business processes.
• APM monitoring and deployment using AppDynamics, CA Wily and Splunk.
• Perform day-to-day administration of AppDynamics Controllers and CA Wily MOMs.
• Manage deployments of application monitoring internally.
• Experience configuring AppD Controller.
• To understand application architecture/flow map and replicate it in AppDynamics.
• Created, managed and performed container-based deployments using Docker images containing Middleware and Applications together and Evaluated Kubernetes for Docker container orchestration.
• Developed different environments of different applications on Google cloud by provisioning Kubernetes clusters on GCE instances and GKE using Docker, Ruby, Bash and Python.
• Created Docker images using a Dockerfile, worked on Docker container snapshots, removing images and managing Docker volumes.
• ManagedDockerorchestration usingDockerSwarm.
• Building/MaintainingDockercontainer clusters managed by Kubernetes, Linux, Bash, GIT,Docker, on GCP.
• Maintained and developed Docker images for a tech stack including Cassandra, Kafka, Apache, and several in house written Java services running in Google Cloud Platform (GCP) on Kubernetes.
• Building/Maintaining Docker container clusters managed byKubernetesLinux, Bash, GIT, Docker, on GCP.
• Worked withOpenShiftplatform in managing Docker containers and Kubernetes Clusters.
• Built Continuous Integration environment and Continuous delivery using Jenkins Ms Build for Dot net Application.
• Our Continuous Integration stack consists of Git, Jenkins CI-CDX, the Docker Trusted Registry, and OpenShift Enterprise.
• Use OpenShift to improve application security by putting admin consoles on different Docker containers accessible only from unusual port numbers.
• Increase application availability by controlling platform ecosystem DNS with to OpenShift Container Platform and running web applications on multiple endpoints.
• Support and enhance SDLC cycle by using Docker containers delivered with O to OpenShift Container Platform for web application deployment.
• Setup NFS servers as OpenShift storage backend and configured various storage claims for developers
• UtilizedKubernetesfor the runtime environment of the CI/CD system to build, test deploy.
• Implemented a production, load balanced, highly available, and fault tolerant Kubernetes infrastructure.
• Developed Terraform templates to create load balancers (ELB), EC2 instances with auto scaling, monitoring on the fly for different environments such as QA, SIT, stage which will run on different VPCs.
• WroteAnsibleplaybooks with python SSH as the wrapper to manage Configuration of AWS nodes and tested playbooks on AWS instances using python. RunAnsiblescripts to provide Dev servers. Protected encrypted data needed for tasks with Ansible Vault.
• Architected and designed Rapid deployment method using Ansibleto auto deploy servers as needed.
• Involved in writing various custom Ansible playbooks for deployment orchestration and developed Ansible Playbooks to simplify and automate tasks
• Automated using Ansible, Python, Perl or shell scripting with attention to detail, standardization, processes and policies.
• Migrated an On-premises virtual machine toAzureResource Manager (ARM) Subscription.
• Configure continuous integration from source control, setting up build definition within Visual Studio Team Services (VSTS) and configure continuous delivery to automate the deployment ofASP.NETMVC applications to Azure web apps.
• Hands on experience in Azure cloud services, Azure storage, Azure active directory, Azure Service Bus. Create and manage Azure AD tenants and configure application integration with Azure AD.
• Deployed Azure IaaS virtual machines (VMs) and Cloud services (PaaS role instances) into secure VNets and subnets.
• Involved in design, installation, administration and optimization of hybrid cloud components to ensure business continuity with Azure AD, ADFS, SSO & VPN Gateways
• Migrated On-premises applications to Cloud and Cloud orchestration using Terraform, Cloud Formation and Azure Resource Manager(ARM) templates.
• Configured and deployed Azure Automation Scripts for a multitude of applications utilizing the Azure stack for Compute, Web and Mobile, Blobs, Resource Groups, Azure Data Lake, HDInsight Clusters, Azure Data Factory, Azure SQL, Cloud Services, and ARM Services and utilities focusing on Automation.
• Designed Architecture for API development & deployment as Microservices including Python code in Docker container and Azure Service Fabric.
• Set-up a continuous build process in Visual Studio Team Services to automatically build on new check-in of code then deploy that new build to the Azure Web application.
• Experience in dealing with Windows Azure IaaS - Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, VPN, Load Balancing, Application Gateways, Auto-Scaling, and Traffic Manager.
• Support day-to-day Active Directory infrastructure, Certificate Services, LDAP and Kerberos as needed in an environment with over 60 AD Forests and over 400 Domain Controllers deployed in On-premise datacenters, AWS and Azure.
• Deployed and maintained the Active Directory Teams Microsoft System's Center Operations Manager (SCOM) deployment.
• Helped in the design and deployment of updating Windows 2016 AD Upgrade.
• Web application development using Agile methodology using Ruby on Rails, MongoDB.
• UsedJava fundamentals like parallel streams and filters through lambda expressions to handle searching.
• Built and Deployed Java/J2EE to a WEB application server in an Agile continuous integration environment and automated the whole process.
• Performed Continuous Integrated delivery (CI and CD process) using Jenkins and uDeploy.
• Configured and maintained Hudson to implement the CI process and integrated the tool with Ant, Maven and Gradle to schedule the builds took the sole responsibility to maintain CI Jenkins/Hudson server.
• Deployed Java/J2EE and Dot Net applications to WebLogic server-using Jenkins builds.
• Integrated Jenkins with uDeploy and Created uDeploy Components, uDeploy process, installed uDeploy agents on both windows and Linux machines according to application team requirements.
• Supported and deployed to web application servers such as WebLogic, JBOSS,Apache Tomcat, andApacheHTTPD servers.
• Used JIRA for all our projects in scrum methodology for creating stories and giving points to the stories, and updated stories as per our sprints.
• Installing, configuring and managing the RDBMS and NoSQL tools like MySQL, DB2, PostgreSQL and MongoDB, DynamoDB and CassandraDB.
• Migrated data from Heterogeneous Data Sources and legacy system (DB2, Access, Excel) to SQL Server databases using SQL Server Integration Services (SSIS) to overcome transformation constraints.
• Worked on Docker and GitHub using LogStash to store the information in in the elastic cluster.
• Work closely with project development team and business development team during the development lifecycle.

Environment: AWS, Chef, SVN,Terraforms, Jenkins, Docker, WebLogic, JIRA, Oracle, SQL, Shell, Groovy, Perl, Python, Azure, Ant, Maven, Apache Tomcat, Java, RHEL/Linux, Centos, Solaris, uDeploy, Terraform, Splunk, Redshift, Kubernetes, JBoss, OpenShift.

Confidential - Atlanta, GA

DevOps/AWS Engineer

Responsibilities:

• Worked with Windows,Linuxand AWS teams to resolve issues and plan for infrastructure changes.
• Provided documentation of solutions for VMWare, Windows, Linuxand AWS teams.
• Worked with VMWare tools like vCenter &vSphereto manage VM's running on ESX cluster nodes and experience working vMotion.
• Worked on implementation team to build and engineer servers on Ubuntu and RHEL Linux. Provisioning virtual servers on VMware and ESX servers using vCloud.
• Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.
• Managed and architected virtual servers.
• Created and wrote shell scripts (Bash), Ruby, Perl, Python and Power shell, JavaScript and XML for automating tasks.
• Worked on AWS Auto Scaling for providing high availability of applications and EC2 instances based on the load of applications by using AWS CloudWatch.
• Template creation in JSON format forCloudFormationto create/modify multiple Stacks.
• Used AWS Route53, to route the traffic between different availability zones. Deployed and supported Mem-cache/AWS Elastic-Cache and then Configured Elastic Load Balancing (ELB) for routing traffic between zones.
• Managed and performed systems routine backup, scheduling jobs like disabling and enabling Cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, and testing
• Implemented cloud services IAAS, PAAS, and SaaS which include Openstack, Docker andOpenshift.
• Worked on NoSQL database DynamoDB to process large data documents.
• Migrated the productionSQLserver schema to the newAWSRDS Aurora instance. Wrote SQL queries and worked on administration for optimizing and increasing the performance of database.
• Worked on Multiple AWS instances, set the security groups, Elastic Load Balancer (ELB) and AMIs, Auto-scaling to design cost effective, fault tolerant and highly available systems.
• Set up preconfigured RHEL5.x and 6.x on local and in the cloud on AWS EC2 and defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.
• Launching EC2 instances and involved in AWS RDS, S3, Load Balancing, IAM, VPC, Cloud Formation, Lambda, and Cloud Watch.
• Creating Storage Pool and Stripping of Disk for Azure Virtual Machines. Backup, Configure and Restore Azure Virtual Machine using Azure Backup.
• Worked in Azure infrastructure management (Azure Web Roles, Worker Roles, SQL Azure, Azure Storage, Azure AD Licenses, Office365).
• Led migration of Virtual Machines to Azure Virtual Machines with Azure Site Recover. Built a solution using Azure managed services StorSimple and Blob storage to archive on-premises data to cloud.
• Established connection from Azure to On-premise datacenter using Azure ExpressRoute for Single and Multi-subscription connectivity.
• Manage Identity Access management of Azure Subscriptions, Azure AD, Azure AD Application Proxy, Azure AD Connect, Azure AD Pass through Authentication.
• Managed Clusters with various Servers in Azure Cloud Resource Groups and monitored via remotely run scripts Ambari, Azure Data Factory and Blobs.
• Established SSO connections using SAML 2.0 and OAuth 2.0 protocols in AD and Provided high availability for IaaS VMs and PaaS role instances for access from other services in the VNet with Azure Internal Load Balancer.
• Implemented high availability with Azure Classic and Azure Resource Manager deployment models.
• Worked on Continuous Integration (CI) /Continuous Delivery (CD) pipeline for Azure Cloud Services using CHEF
• Deploy and manage Azure storage for SQL DB's (SaaS and PaaS applications), SQL Server on Azure, Windows and Linux instances among other azure cloud services.
• Experienced working on chef, Databags implementation, Coding standards, Cookbook document,
• Testing docs, chef Infra, bootstrapping nodes, creating and uploading Chef Recipes, Chef Node convergence in Chef SCM.
• Collaborate in the automation of AWS infrastructure viaterraformand Jenkins - software and services configuration via chef cookbooks.
• Wrote multiple cookbooks in Chef and implemented environments, roles and Data Bags in Chef for better environment management.
• Wrote Chef Recipes to automate our build/deployment process and do an overall process improvement to any manual processes.
• Implemented Chef Knife and Cookbooks by Ruby scripts for Deployment on internal Data Centre Server and reused same Chef Recipes to create a Deployment directly into EC2 instances.
• Deployed and configuredChefServer,ChefSoloand ChefCompliance including bootstrapping ofchefclient nodes for provisioning.
• Worked on Chef Automation including writing Cookbooks and customized recipes for test driven development environments & configuration management and infrastructure automation.
• Configured Chef Repo, Chef Work stations and Chef Nodes.
• Built and deployed a Chef Server in AWS for infrastructure automation.
• Create Chef Cookbooks and Recipes to maintain and automate various parts of infrastructure.
• Used chef to automate most of the application deployment and working on making entire infrastructure automated
• Worked with Chef Cookbooks, Chef Recipes, Chef attributes, Chef Templates and Ohai.
• TestedSplunksearch strings & operational strings and used it as resource monitoring tool.
• Worked with administrators to ensure Splunk, App dynamics is actively and accurately running and monitoring on the current infrastructure implementation.
• Created a fully CI/CD process. Automated Build and Deployment Platform and coordinating code build promotions and orchestrated deployments usingJenkins/Hudson and GitHub.
• Prototype CI/CD system with GIT on GKE utilizing Kubernetes and Docker for the runtime environment for the CI/CD systems to build and test and deploy.
• Designed and Developed Bamboo Buildsdeployments on Docker containers.
• Managing and optimize the Continuous Integration using Jenkins,Bambooand troubleshoot the deployment build issues using the trigged logs.
• Installed and administered Docker and worked with Docker for convenient environment setup for development and testing.
• Developing Docker images to support Development and Testing Teams and their pipelines distributed Jenkins, Selenium and JMeter images, and ElasticSearch, Kibana and Logstash (ELK & EFK) etc.
• Installed Docker Registry for local upload and download of Docker images and even from Docker hub.
• Worked on the Docker ecosystem with a bunch of open source tool like Docker machine, Docker Compose, Docker Swarm.
• Used the JIRA, Confluence for bug tracking, creating the dashboard for issues.
• Carried automated Deployments and builds on various environments using continuous integration (CI) tool Jenkins.
• Deployed Mcollective for orchestration. Wrote custom Mcollective plugins to deal specifically with our needs.
• Responsible for deployingSSLCertsacrossAWSELB and CloudFront.
• Develop and maintain web applications from conception to production using the LAMP STACK.

Environment: AWS, OpenStack, Docker, Jenkins, Linux, VMware, vCenter, vSphere and vMotion, RHEL, Satellite, OpenShift, Artifactory, GitHub, SVN, Chef, Puppet Mcollective, Puppet Hiera, Nagios, Ruby, Python, LAMP, PowerShell, Ubuntu, CloudFormation, Bamboo, Apache, Terraform, Nginx.

Confidential - Princeton, NJ

Build & Release Engineer/ Software Configuration Management

Responsibilities:

• Involved inDevOpsmigration/automation processes for build and deploy systems.
• Consulted and recommended client in Build and Release Management Implementation.
• Used SCM/Build tools for Developers. Helping to resolve all SCM/Builds issues like merge conflicts, compilation errors, missing dependencies, Branching/Merging/Tagging.
• Involved working with a PaaS solution such as RedHatOpenShift.
• Created and maintained the Power Shell scripts and Perl scripts deployment scripts for Tomcat application servers.
• Used Git for source code version control and integrated withJenkinsfor CI/CD pipeline, code quality tracking and user management with build tools Maven and Ant.
• Worked on authoring pom.xml files, performing releases with the Maven release plugin, and managing artifacts in maven internal repository.
• Researched and implemented code coverage and unit test plug-ins like find bugs, check style and with Maven/Hudson.
• Set up Jenkins server and buildjobs to provide continuous automated builds based on polling the Git source control system during the day and periodic scheduled build overnight to support development needs using Jenkins, Selenium and Maven.
• BuildJavacode on to different Jenkins servers as per the schedule.
• Built and Deployed Java/J2EE to a web application server in an Agile continuous integration environment and automated the whole process.
• Worked in an Agile development team to deliver an end to end continuous integration/continuous delivery (CI/CD) product in an open source environment using tools like Puppet, Jenkins.
• Experience in writingPuppet manifests and modules to automate the deployment process and to integratingPuppet manifests into Jenkins jobs for a continuous delivery (CD) framework.
• Deployment automation using Puppet along with Hiera Data on Mcollective orchestration engines and writing manifests and modules for different micro services.
• Deployed Puppet for configuration management to existing infrastructure.
• Developed, build and deployment scripts using Ant, Maven and Gradle as build tools in Jenkins to move from one environment to other environments.
• Experience in working in .Net application and branching, Tagging, Release Activities on Version Control Tool like GIT and Subversion (SVN).
• Analyze and resolve conflicts related to merging of source code forGIT, Subversion (SVN)/Bitbucket.
• Wrote new plugins in Nagios to monitor resources.
• Monitored Application and Servers through Nagios, Web Servers Administration on Apache and Nginx.
• Installed Nexus repository tool to maintain the artifacts/dependencies jars.
• Responsibility to perform the Security Scans, defect tracking, defect reporting and defect reproducing using SonarQube, Bugzilla and JMeter.

Environment: Java, Maven, ANT, Gradle, groovy, GIT, SVN, Puppet, Jenkins, Ruby, JMeter, Tomcat, SonarQube, Bugzilla, Shell and Perl Scripts, Ansible, PowerShell, Nexus, RHEL 5.x/6.x

Confidential - Detroit, MI

Sr. Linux Administrator

Responsibilities:

• Created and maintained user accounts in RedHat Enterprise Linux(RHEL)and other operating systems
• Troubleshooting and maintaining of TCP/IP, Apache HTTP/HTTPS, SMTP and DNS applications.
• Configuration of NIS, DNS, NFS, SAMBA, SENDMAIL, LDAP, TCP/IP, Send Mail, FTP, Remote access Apache Services onLinux& Unix Environment.
• Migrated different projects from Perforce toSVN
• Performing NIC bonding onLinuxSystems for redundancy.
• Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS, and Apache.
• Created Bash/shell scripts to monitor system resources and system maintenance.
• Create and Update Documentation for current Patching process. Coordinate with Lines of Business to schedule patching. Create Change request for Patching in Production environment.
• Booted systems into different run levels for troubleshooting and system maintenance.
• Network troubleshooting using ndd, traceroute, netstat, ifconfig, and snoop etc.
• Monitor all network channels TSDB traffic incoming and outgoing for status, information and errors between TSC and NCTC.
• Worked on TSDB to create, enumerate, update and destroy various time series and organize them in some fashion.
• Expertise in Logical Volume Manager (LVM), Configured volume groups and logical volumes, extended logical volumes for file system growth needs using LVM commands.
• Creation of Logical volumes (LVM) for Linux operating systems.
• Responsible for the basic administration tasks related to LDAP andWebSpherePortal.
• Hands on experience in building servers and automating the provision of OS by using Kickstart for RedHat and Jumpstart for Solaris.
• Experienced in Server builds and automating the provision of OS by using Jumpstart for Solaris and Kickstart for RedHat (RHEL).
• Installed and configured servers using RedHat Linux KickStart method.
• Created Linux Virtual Machines using VMware Virtual Center, creating VM Templates, and troubleshooting all Virtualization related issues.
• Expertise in remote access and application virtualization technologies such as XEN, VMware, ESX, ESXi, etc. onLinux.

Environment: RHEL, Windows, Shell Script, VMware servers, XEN, ESX, ESXi, WebSphere, Perforce, SVN, Windows 2003 server, Kick Start, Solaris.

Confidential

Linux System Administrator

Responsibilities:

• Installation & Configuration of servers with RHEL, Ubuntu, CentOS & Solaris.
• Interacting with 350 users on site and more remotely via email/phone/ticketing systems for their computing needs.
• Developed, customized and build RPM/YUM onLinuxfor deployment on various servers through software Development Life Cycle(SDLC)
• Server IP changes, patch management, performance tuning, NFS, SFTP,SAN,NASstorage handling.
• Setting up and configuring NFS, NIS, DNS, and PXE bootstrap with KickStart.
• Used Rpm and Yum for patch management and resolving kernel panic issues after patching.
• Setting up different Raid Levels on HP and Dell servers.
• Installed, configured, Administered and supportedWebSphereApplication Servers 6.0/6.1 on Windows andLinuxenvironment using GUI as well as silent install
• Performing NIC bonding onLinuxSystems for redundancy.
• Creating VM guest hosts, cloning, creating templates and moving machines with Vmotion.
• Responsible for building and monitoring over 200 physical and virtual machines.
• Troubleshooting user SSH and user authentication. Configuring OpenSSL.
• Updating kernel parameters.
• Writing shell/Bash scripts for Automated Back- ups and Cron Jobs.
• Installed and configuredApacheWeb-servers and troubleshoot problems arising fromApache functionality.
• Creating, extending and reducing LVM's for managing the disk storage space.
• Overseeing migrations from physical to virtual.
• Used Maven (POM.xml) andAntscripts (build.xml) as build frameworks/scripts.
• Expertise in Administrating Red Hat -Linuxbackup & restore with star, tar and including formatting disk & partitioning.
• Worked with DBA for installation Oracle on Linux and Solaris.
• Worked on installations on Power path on all Linux boxes.
• Participate in installing and configuring UNIX/LINUX based Oracle 10g products.
• Maintaining RHEL servers along with Security/GIS kernel patching, using Blade-Logic Automation.
• KickStart servers based off RHEL 6.x / 7.x in production, development and testing environments.

Environment: RHEL, Windows, Ubuntu, CentOS, Solaris, Shell Script, VMware servers, WebSphere, Apache, Windows 2003 server, KickStart, Solaris, OpenSSL, LVM, SSH, Linux, Maven/Ant.