SUMMARY:

• 8 Years of designing build process, Process automation, Build and Deployment Automation, Source Code repository, Environment Management, Cloud computing, Software Configuration Management.
• Experience in Architecting and securing the Infrastructure onAWSusingIAM,KMS,EMR,Cognito,API Gateway,Cloud Trail,Cloud Watch, Amazon Simple Queue Service (Amazon SQS),Config,AWS Kinesis,Lambda,NACL,Elastic Beanstalk,RedshiftandCloudFormation
• Worked in an environment of Amazon Web Services (AWS) products gained good knowledge in Elastic Cloud Computing, Simple Storage Services,Glacier,Block Storage,Elastic Beanstalk,Amazon Lambda,Virtual Private cloud,Load balancing,Relational Database Service, andCloud Watch.
• Ensured successful architecture and deployment of enterprise gradePaaSsolutions usingPivotal Cloud Foundry (PCF)as well as proper operation during initial application migration and set new development.
• Analyzed various distributed file systems suitable for a cloud storage using a storage benchmark. Tested a private storage cloud usingOpen Stack SWIFTsoftware and worked as well withOpenStack.
• Experience inCloudFormationto automateAWSenvironment creation along with the ability to deployment on AWS, using build scripts (AWS CLI) and automate solutions usingShellandPython.
• Expertise in integratingTerraformwithAnsible,Packerto create and version the AWS Infrastructure, designing, automating, implementing and sustainment ofAmazon machine images(AMI) across theAWSCloudenvironment.
• Experienced in automating, configuring and deploying instances on Azure, AWS, and Rackspace cloud environments and Data centers with in depth knowledge on ELK Stacks such as Elasticsearch, Logstash and Kibana.
• Involved in using Terraform and Ansible, migrate legacy and monolithic systems to Azure and managing Ubuntu and RHEL virtual servers on Azure by creating Ansible Nodes.
• Implemented a production ready, load balanced, highly available, fault tolerant Kubernetesinfrastructure.
• Created private cloud using Kubernetes that supports DEV, TEST, and PROD environments.
• Containerized all the Ticketing related applications - Spring Boot Java and Node.jsapplications using Docker.
• Used AZURE APP.FABRIC Message BUS to provide valuable functionality for integrating existing systems and building composite applications, deploy SOA components in an autonomous but federated manner for achieving true agility, flexibility among enterprises (composite applications and ESB are complementary solutions)
• Build a fully functional demo for Analytics Product using SharePoint Online, Windows Azure, SQL Azure, Silverlight technologies.
• Created required components to enable a private, internal only cloud infrastructure.
• Created dynamic routing/load balancing capability enabling large application scaling, used ingress rules andIngress Controllers- TraefikandNginx.
• Used Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Developed Python Modules for Ansible Customizations.
• Used Ansible Playbooks to setup Continuous Delivery Pipeline. Deployed micro services, including provisioning AWS environments using Ansible Playbooks.
• Used Ansible to document all infrastructures into version control.
• Provisioned load balancer, auto-scaling group and launch configuration for micro services using Ansible.
• Created a Continuous Delivery process to include support building of Docker Images and publish into a private repository- Nexus v3.
• ManagedKubernetescharts using Helm. Created reproducible builds of theKubernetesapplications, managed Kubernetes manifest files and Managed releases of Helm packages.
• Created required components to enable a private, internal only cloud infrastructure.
• Developed, maintained, and enhanced pre- and post-build scripts(Shell and Python)
• Designed and documentedCI/CDtools configuration management.
• Managing storage on EMC clarion and DMX.
• ImplementedAWS Cloud platformand its features which includes EC2, VPC, EBS, AMI, SNS, RDS, EBS, Cloud Watch, Cloud Trail, Cloud Formation AWS Config, Autos calling, Cloud Front, IAM, S3, R53.
• Proficient with container systems likeDockerand container orchestration likeEC2 Container Service,Kubernetes, worked withTerraform.
• ManagedDocker orchestration and Docker containerizationusingKubernetes.
• Implemented automated local user provisioning VMs created inOpenstack and AWScloud through Chef Recipes.
• Experienced Cloud and DevOps engineer in Automating, Configuring, and deploying instances on AWS, AZURE Cloud environments and Data centers.
• Setup AZURE Virtual Appliances (VMs) to meet security requirements as software-based appliance functions (firewall, WAN optimization and intrusion detections).
• Extensive experience in Windows AZURE (IaaS) migrating like creating AZURE VMs, storage accounts, VHDs, storage pools, migrating on premise servers to AZURE and creating availability sets in AZURE.
• Familiar using Dependency Visualization in Azure migrate for deep analysis and identify application dependencies.

TECHNICAL SKILLS:

Operating systems: Red Hat LINUX (5/6/7), IBM AIX (6.X, 7.X), VMwareESX4.X

DevOps Tools: GIT, Ansible, Jenkins, Docker, Puppet, Chef

Programming Languages: C, C++, JAVA/J2EE, Node.js, Python

Middleware Technologies: BEA WebLogic Application Server 8.x/9.x/10.x, JBoss 4.x/5.x/6.x/7.1, Apache webserver 2.xApache Tomcat 5.x/6.x/7.x

Cloud Technologies: Amazon webservices, Microsoft Azure, GCP

Web Technologies: JDK 1.4/1.5/1.6, HTML, XML, DHTML, MSXML

Scripting Languages: UNIX Shell Scripting (Bourne, Korn, C and Bash), Python, Java Script

Database: Oracle 8i/9i/10g, MS SQL Server, DB2, MySQL, PostgreSQL

Monitoring Tools: AppDynamics, Splunk, SiteScope, Dynatrace

Networking & Protocols: TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP, SSL.

Hardware: IBM RS/6000, PSeries, Xserve's, HP/IBM/Blade Servers. VMware VMware Infrastructure Client and VMware ESXServer4.x/3.x/2. x.

Storage: SAN EMC Symmetrix 800/ DMX1000, 2000 & 3000, EMC Clariion 500, 600, 700, NetApp NAS.

Mail Servers: SMTP, IMAP, and Qmail, Send mail, MC/service Guard, Sun Cluster

PROFESSIONAL EXPERIENCE:

Confidential, Woonsocket, RI

Linux/DevOps Engineer.

Responsibilities:

• Working in an environment with approx. 3000+ servers, with Linux (RHEL- Red Hat Linux 5,6,7,8), AIX, CentOS, Ubuntu, and HP-UX (11.23).
• Worked on Amazon AWS EC2 cloud services for installing, configuring, and troubleshooting on various Amazon images likeAmazon Linux AMI, Redhat 4.x, 5. x.6.x,7.x, Ubuntu 12.x, 13.x, 14.x, 15.x.Created and managed multiple Instances of Apache Tomcat and deployed several test applications in those instances in QA environment.
• Worked in AWS environment Storage Services (S3, Glacier, Block Storage, Lifecycle Management policies), CloudFormation (JSON Templates), Elastic Beanstalk, Lambda, VPC, RDS, Trusted Advisor and Cloud Watch.
• Hands on experience on Azure VPN-Point to Site, Virtual networks, Azure Custom security, end security and firewall. Used Azure Express Route to set up a private connection to Microsoft cloud services such as a Microsoft Azure, Office 365, and Dynamic 365.
• Designed & implemented VPC service for extension of on - premises datacenter with AWS Cloud using VPN & Direct connect services.
• Migrated Linux environmentto AWSby creating and executing a migration plan, deployed EC2 instances in VPC, configured security groups &NACL's, attached profiles and roles usingAWS Cloud Formation templates and Ansible modules.
• Scripting infrastructure and (Linux) machine provisioning using bash andthe Python AWS-SDK.
• Used AmazonRoute53 to manage DNSzones globally & to give public DNS names to ELB's and CloudFront for Content Delivery.
• Involved in creating the Azure Services with Virtual Machine. Involved in developing the Azure Solution and Services like IaaS and PaaS. Managed Azure Infrastructure Web Roles, Worker Roles, Storage, Azure AD Licenses, Office365. Created Cache Memory on Windows Azure to improve the performance of data transfer between SQL Azure and WCF services.
• Developed and maintained the continuous integration and deployment systems using Jenkins, ANT, Maven, Nexus, Ansible and Ruby.
• Have hands on Experience on Azure Cloud Services, Azure Storage, SQL Azure and in different PaaS Solutions with Web, and worker Roles and Azure Web Apps.
• Worked on build tasks using Maven, Ant, Gradle and GNU Make files and worked with development team to migrate Ant scripts to Maven.
• Automated configuration management and deployments using Ansible playbooks and Yaml for resource declaration. And creating roles and updating Playbooks to provision servers by using Ansible.
• Installing, Configured and management in Ansible Centralized Server and creating the playbooks to support various middleware application servers, and involved in configuring the Ansible tower as a configuration management tool to automate repetitive tasks
• Used IAM to assign roles, to create and manage AWS users, groups, and permissions to use AWS resources.
• Created Master-Slave configuration using existing Linux machines and EC2 instances to implement multiple parallel builds through a build farm, expertise in troubleshooting build and release job failures
• UtilizedChef, Puppet and Ops workas configuration management tools to deploy consistent infrastructure across multiple environments.
• Gained experience in dealing with Windows AZURE IaaS - Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto-Scaling.
• Deploying and maintaining production environment usingAWS EC2 instances and ECS with Docker.
• Created automated system to create VM's, storage accounts, Network Interfaces, etc. in Azure.
• Enable your machine for Azure development by installing the Azure SDK.
• Used Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes
• Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker, on GCP (Google Cloud Platform). Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test deploy.
• Involved in development of test environment on Docker containers and configuring the Docker containers using Kubernetes.
• Building/MaintainingDockercontainer clusters managed byKubernetes Linux, Bash, GIT,Docker, on GCP.
• Streamlined installation ofOpenShifton partner cloud infrastructure such as AWS and Azure.
• UtilizedKubernetesfor the runtime environment of theCI/CDsystem to build, test deploy.
• Designed and Implemented MVC architecture usingSpringFramework, which involved writing Action Classes/Forms/Custom Tag Libraries &JSPpages.
• Deployed virtual machines and another instance through OpenStack to handle different task force.
• Responsible for OpenStack project core infrastructure including code review, continuous integration systems and development tools.
• DeployedAzure IaaSvirtual machines (VMs) and Cloud services (PaaSrole instances) into secureVNetswith AzureinternalLoad Balancer and subnets.
• CreatedAzureAutomation Assets,Graphical runbooks,PowerShellrunbooks that will automate specific tasks. deployedAzure ADConnect, configuring ADFS authentication flow,ADFSinstallation usingAzureAD Connect.
• Implemented Enterprise Integration architecture usingAzure Service Bus,AppService, Active Directory, Storage, hybrid connection manager, active directory authentication forAzure SQLserver and other offerings byAzure.
• Working knowledge Server less services (AzureFunctions) created and configuredHTTPTriggers in the Azure Functions with Application insights for monitoring and performing load testing on the Application's using theVSTS.
• Experience in migrating the existing v1 (Classic)Azureinfrastructure into v2 (ARM), scripting and templating the whole end to end process as much as possible so that it is customizable for each area being migrated.
• Converting ExistingTerraformmodules that had version conflicts to utilize cloud formation duringTerraformdeployments to enable more control or missing capabilities.
• Designed and integratedPivotal Cloud Foundry(PCF) onMicrosoft Azureand deployed PCF using CF push and urban code deploy.
• Worked on developingAPIsusingKubernetesto manage and specify the copies of the containers to run the actual servers in the cloud environment.
• ManagedKubernetescharts using Helm. Created reproducible builds of theKubernetesapplications, templatize Kubernetes manifests, provide a set of configuration parameters to customize the deployment and Managed releases ofHelm packages
• Implemented a production ready, load balanced, highly available, fault tolerant, auto scalingKubernetescloud infrastructure and microservice containerorchestration.
• Created Clusters usingKubernetesand worked on creating manypods,replicationcontrollers, replica sets, services, deployments, labels, health checks and ingress by writingYamlfiles.
• Developed user access module of different internal and external applications (Presentation layer) usingStruts and Spring Framework.
• Configured VM's availability sets using AZURE portal to provide resiliency for IaaS based solution and scale sets using AZURE Resource Manager to manage network traffic.
• Experience in Private Cloud and Hybrid cloud configurations, patterns, and practices in Windows AZURE and SQL AZURE and in AZURE web and database deployments.
• Experience with automation/configuration management using either Jenkins & Ansible.
• Configuring, Automating and Deploying Chef, Puppet and Ansible for configuration management to existing Infrastructure.
• Wrote Python Code using Ansible Python API to Automate Cloud Deployment Process.
• Integrated Jenkins, Rundeck and Ansible. Designed and developed Jenkins Build deployments
• Used springdependency on user access module and data access module.
• Integrated Kafka with Flume in sand box Environment using Kafka source and Kafka sink.

  Worked with application teams to install operating system, Hadoop updates, patches, version upgrades as required. Integrated Kafka with Spark in sand box Environment.

• Closely worked with Developers and QA teams to develop the CI/CD pipeline to boost productivity and embrace patterns of reusability. Always ensured that code and infrastructure are in a production-deployable state, with continuous delivery.
• Carried automated Deployments and builds on various environments using continuous integration (CI) tool Jenkins.
• Used Git for source code version control and integrated with Jenkins for CI/CD pipeline.
• Experience, and leading up to building a continuous integration system for all our products.
• ImplementedAWSsolutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups.
• Responsible for Design of different Release Environments for new projects.
• Implementing new projects builds framework usingJenkins& maven as build framework.
• Implementing a Continuous Delivery framework usingJenkins,Chef,Maven&Nexusin Linux environment
• ManagedChefCookbooks to automate system operations.
• Developed and implemented software release management strategies for various applications according to agile process.
• Supported 300+ AWS cloud instances running Ubuntu, Redhat and windows environments.
• Design of Cloud architectures for customers looking to migrate or develop newPaaS, IaaS, or hybrid solutions utilizing Microsoft Azure or Amazon Web Services (AWS).
• Configure, monitor and automated cloud-based serviceAmazon Web Services. Remediating security vulnerabilities by applying patch fixes according to CVE IDs.
• Running scripts on multiple servers in a short span of time using the HP Automation Tool (HPSA).
• Actively participating in Quarterly patching of servers.
• Kubernetesis being used to orchestrate the deployment, scaling and management ofDockerContainers.
• Worked on Micro Services deployments on AWS ECS and EC2 instances
• Actively worked onDockerand deploying and maintainingMicro servicesin Dev & QA environment.
• Implementeddocker-maven-pluginin maven pom to build docker images for all microservices and later usedDocker fileto build the docker images from the java jar files.
• Implemented build stage- to build the micro service and push the docker container image to theprivate docker registry.
• Integrating Jenkinswith AWS and Openstack to automatically launch instances.
• Have good experience designing cloud-based solutions in Azure by creating Azure SQL database, setting up Elastic pool jobs and design tabular models in Azure analysis services.
• Good experience on maintain version control using SVN tool & Azure Devops.
• Responsible forOpenStackproject core infrastructure including code review, continuous integration systems, and deployment tools.
• Involved in creating the Azure Services with Virtual Machine. Involved in developing the Azure Solution and Services like IaaS and PaaS. Managed Azure Infrastructure Web Roles, Worker Roles, Storage, Azure AD Licenses, Office365. Created Cache Memory on Windows Azure to improve the performance of data transfer between SQL Azure and WCF services.
• Managed multiple Azure accounts with multiple VPC's for both production and non-prod where primary objectives included automation, build out, integration and cost control.

Confidential, Santa Clara, CA

Linux/DevOps Engineer

Responsibilities:

• Responsible for Installation, Configuration and Administration of Redhat Linux 5.0/6.0/7.0, AIX comprising of testing, tuning, upgrading, and loading patches, troubleshooting both physical and virtual server issues.
• ManagedAmazonWebServiceslikeEC2,S3bucket,RDS,EBS,ELB,Auto-Scaling,AMI,IAMthroughAWSConsole andAPIIntegration withPuppet/Chef/AnsibleCode.
• Hands - on experience in Azure Cloud Services (PaaS & IaaS), Azure Synapse Analytics, SQL Azure, Data Factory, Azure Analysis services, Application Insights, Azure Monitoring, Key Vault, Azure Data Lake .
• Good experience in tracking and logging end to end software application build using Azure Devops.
• UsedAWS Beanstalkfor deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby and Docker on familiar servers such as Apache, and IIS.
• Configured AppDynamics rules for Base page, Virtual and Ajax request, Site-catalyst Rule configuration andSplunkQuery.
• Closely work with Developers and QA teams to develop the CI/CD pipeline to boost productivity and embrace patterns of reusability. Always ensured that code and infrastructure are in a production-deployable state, with continuous delivery.
• Carried automated Deployments and builds on various environments using continuous integration (CI) tool Jenkins.
• Used Git for source code version control and integrated with Jenkins for CI/CD pipeline.
• Working withDevOpspractices using AWS, Elastic Bean stalk and Docker withKubernetes.
• Experience onSplunkEnterprise Deployments and enabled continuous integration on as part of configuration management.
• Installed and configuredSCM tools, Chef on AmazonEC2.
• Setup AZURE Virtual Appliances (VMs) to meet security requirements as software-based appliance functions (firewall, WAN optimization and intrusion detections).
• Worked as an administrator on Microsoft AZURE and part of DEVOPS Team for internal projects automation and build configuration management. Involved in configuring virtual machines, storage accounts, and resource groups.
• Created alarms, monitored & collected log files on AWS resources usingCloudWatch on EC2 instance which generates Simple Notification Service (SNS).
• Involved in implementingAnsibleconfiguration management and maintaining them in several environments onAWS cloud and VMware.
• Involved in performing application deployment toAWSElasticBeanStack environment.
• Configured & deployed Java applications on Amazon Web Services (AWS) for a multitude of applications utilizing theAWSstack, cloud formation.
• Writing Chef recipes for automating tasks and managedChef to configure Web Apps and deploy them on AWS server.
• Worked on multiple AWS instances likeElastic Load Balancer (ELB), Security groups, and AMIs, Autoscalingto design cost effective strategies.
• Deployed Azure IaaS virtual machines (VMs) and Cloud services (PaaS role instances) into secure VNets and subnets.
• Deployed Azure resource manager based resources.
• Experience in creating, managing, and utilizingS3 buckets and Glacierfor archival storage and backup on AWS.
• Created Python scripts to automateAWSS3 data upload/downloadand control instance operations withAWS API.
• ConfiguredAWSIAM and security group in VPC (Public and Private Subnets) using Chef.
• CreatedAWSRoute53to route traffic between different regions.
• Managed Chef cookbooks, recipes, nodes, environments, and data bags with Knife.
• Implemented continuous delivery framework usingJenkins, Chef, and Mavenon multiple environments.
• Used Chef server and workstation to manage and configure node, recipes, and cookbooks.
• Installing and configuring ofChefserver,Chef-solo along with creatingChefCookbooks and implemented latest releases ofChef- Solo, Compliance, Habitat, and writtenChefRecipes to install and configureNagiosfor monitoring Infrastructure.
• Executed the automation from commit to deployment by implementing a CI/CD pipeline with the help of Jenkins andChef.
• Worked on Setting upChefInfra, bootstrapping nodes, creating, and uploading recipes, node convergence inChefSCM.
• Used Kickstart and Jumpstart for server builds and net booting.
• Worked on OpenShift using Dockers for rapidly deploying in scalable fashion
• OpenShift HA cluster upgrade with now downtime
• Deploying applications using OpenShift from UAT to Prod envs
• Installed and configuredNexusrepository manager andJFrogArtifactory to archive the artifacts created at the end of the build and release process.
• UsedPuppetto manage Web Applications, Config Files, Data Base, Commands, Users Mount Points, and Packages.
• UsedPuppetfor creating scripts, deployments for servers, and managing changes throughPuppetmaster server on its clients.
• Designed and scripting usingANTforJ2EE, Web Services, Reusable JARS, Web Client and Open Source in creating Masterbuild.xmlbuild Properties &pom.xmlfiles and provided technical support to the development team for compilation problems.
• Involved in setting upJIRAas defect tracking system and configured various workflows, customizations, and plugins for theJIRAbug/issue tracker.
• Created and managed custom Windows and Linux based AMIs
• Setup Elastic Load Balancer for distributing traffic among multipleWebLogic servers.
• Involved in deploying the content cloud platform on Amazon Web Services usingEC2, S3 and EBS.
• Implemented multi-tier application provisioning in AWS,Openstack cloudand integrating it withChef/Puppet.
• Used SonarQube to help maintain the source code quality.
• Deploying the Openstack components on multimode with High availability environment.
• Managing DATA Center Inbound and outbound services. Working on Ansible automation tool.
• Deploy Openstack environments through automated tools, Ansible / custom pipeline.
• UsedSVN and GITas source code repository and Involved in migrating fromSVN to GIT.
• Created release branches in GIT-by-GIT Administration including branching, reporting, and assisting with project and end user support.
• Automated and updated the security groups to allow only the specific CIDRs. In addition to that, automated Iptables with puppet config.
• Managed theGITusing Nexus tool to automate the build process and used the same to share the snapshots and releases of internal projects.
• Used PowerShell for DevOps in Windows-based systems.
• Performed integration of Code Quality Analysis techniques - Check style, Find bugs with CI tools likeBamboo.
• Create and setup automated nightly build environment for java projects usingmaven.
• Scripting (bash, Perl) for job automation.
• Worked in Java and programming in JavaScript, J2EE, JSR, JSF, AJAX, jQuery, JSON, RIDC.
• Implemented Java based APIs to get health of NAS Storage Arrays on large scale.
• Support of Applications like Apache Tomcat and Java based applications running on Linux machines for multiple clients.
• Experience in analyzing logs for troubleshooting java application issues from server side.
• Worked on changes on HMC directly from the Data Center in events of lost remote console Connection.
• Using FIS inhouse tools - Change management System (CMS / also known as CASE) for ticketing needs and STAR for inventory management.
• Disabling TLS v1.0 and enabling 1.2 using shell scripting.

Confidential, Boston, MA

Unix/Linux Administrator

Responsibilities:

• Responsible for Installation, Configuration and Administration of Redhat Linux 5.0/6.0/7.0, AIX comprising of testing, tuning, upgrading, and loading patches, troubleshooting both physical and virtual server issues.
• Implemented Ansible to manage all existing servers and automate the build/configuration of new servers.
• Written the Ansible YAML scripts to configure the remote servers.
• Installing open SSL for supporting AES under TLS for HTTP Apache webservers.
• Responsible for Creating inventory’s lists, projects, writing code using GIT repo and scheduling jobs in Ansible towers for Patching and scheduling different automation jobs on Linux & Aix servers. Involved working with aPaaSsolution such asRedHat OpenShift.
• Updating kernel & security patches in Amazon Linux environment, handling out of memory issues in Linux kernels during rebalance inKafkacluster.
• Automated ourKafka/Schema registry clusters to add/in corporate SSL/TLS. Schema registry is a JAVA app and we added Nginx in front of it and enabled SSL.
• Containerized all the Ticketing related applications-Spring Boot Java and Node.jsapplications using Docker.
• UsedSpinnaker and Artifactoryfor pen source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence
• Installed and configuredNexusrepository manager for sharing artifacts between internal teams and created proxyNexusrepositories to speed up the build process.
• Responsible for installation & configuration of Jenkins to support various Java builds and Jenkins plugins to automate continuous builds and publishingDockerimages to the Nexus repository.
• Experienced with SAN and storage administration, with EMC Clarion & DMX storage administration.
• Worked with storage team for migration of oracle backups from X86 environment to NetApp NAS environment
• Installed and Configured EMC SAN Power path.
• Migration of Veritas Storage, Solaris and Linux servers and provided Storage Migration Support.
• Experience in Installing, upgrading, and configuringRedhatLINUX4.x,5.x, 6.x,7.x usingKickstartServers,Solaris8, 9, 10 using Jumpstart Servers and Interactive Installation
• Involved in development, user acceptance, performance testing, production & disaster recovery servers
• VERITAS File system and VERITAS Volume Manager 3.2 are used to configure the RAID 1 and RAID 5 Storage Systems and Monitor Storage.
• Installed and configured SAMBA server for windows and Linux connectivity.
• Extensively worked on TCP/IP networks, Win NT (WINS/DNS/DHCP),UNIX(NIS,NFS,SSH& Samba), LAN/WAN Technology, messaging services and Internet Services (DNS,SMTP,POP3/IMAP4, Send mail, Web, Proxy, Radius).
• Installation, configuration and maintenance DNS servers, Mail servers, FTP servers, NFS, NIS, NIS+ and Samba Web servers on Sun Solaris, and Linux platforms.

Confidential

Linux Administrator

Responsibilities:

• Responsible for Installation, Configuration and Administration of Redhat Linux 5.0/6.0/7.0, AIX comprising of testing, tuning, upgrading, and loading patches, troubleshooting both physical and virtual server issues.
• Storage management using LVM, SVM, Veritas VxVM Volume Manager, ZFS, ZPOOL.
• Server builds using jumpstart, kickstart, PXE Boot.
• Worked on stand-alone servers (Dell PowerEdge, T, M series) and virtualized environment (VMware vSphere 5.x, Oracle Virtual Machines).
• Multi TB backend storage (EMC, NetApps, Oracle NAS) hosting variety of DBs and Apps. Provided Unix Engineering support to mission critical servers.
• Providing On call support to production environment.
• Primary SME for security hardening of servers - providing solutions to pass internal and external audits for SAS70, PCI, HIPAA compliance for multi-OS platforms (Linux, AIX).
• Worked as a primary onsite Admin for the Data Center production servers and Data Center migration for consolidation and tech refreshes.
• Created Network vLANs, adaptors, andvirtual SCSI disks using NIM servers.
• Created service groups and failover groups using HACMP in multimode clustered environment.
• Created complex bash and korn shell (ksh) scripts for inventory management, performance troubleshooting, capacity management, user management for distributed servers, cron scripts.
• Familiar with Hardware Management Console (HMC), Integrated Virtualization Manager (IVM), and IBM Systems Director Management Console (SDMC), VMware VSphere
• Worked on HPSM and Service now ticketing tools.
• Troubleshooting and fixing issues discovered by monitoring tools - Big Sister, Tivoli, Hubble, and Envision.
• Implemented Java based APIs to get health of NAS Storage Arrays on large scale.
• Developed System 3, 4 BSD and Unix based APIs for implementing configuration changes and gathering information from Linux servers
• Storage Tech refresh from Old Frames to new Frames for EMC (Symmetrix/Clariion/VMAX)

  Using Hostbased/Openreplicator/OpenMigrator for hosts running HP-UX/SOLARIS/LINUX

  With Native HP LVM/Veritas Volume Manager/ZFS.

• Experience in Configuring, Administering & maintaining HP LVM / LINUX LVM & filesystems.
• Working with hardware vendors (Systems Maintenance Services aka. SMS) and software vendors (Oracle / IBM / Redhat / Symantec) to troubleshoot/fix server hardware/OS issues.
• Responsible for Creating GPFS file systems according to customer’s needs and Patching GPFS managers. Installing GPFS Clients on both Linux & Aix servers.
• Implement change management requests; resolve incident tickets through 'HP Service center’s ticketing system. Complete UNIX/LINUX related projects on a timely manner.
• Migrating servers from VAS to Boks server Authentication software.
• Participating in DR tests.
• Documentation of new installations and solutions.
• Experience in working with Veritas and Sun clusters.
• Troubleshooting Backup and Restore Problems Creation ofLVMsonSANusingLinuxutilities andLinuxnetwork, security-related issues, capturing packets using tools such asIP tables,firewall, andTCPwrapper andNMAP.
• Supported Middleware application teams such as WebLogic, java, http, apacheon RHEL platforms
• Helped in setting up round robin configuration from Weblogic middleware team to Oracle DB servers for HA
• Helped create log rotation and clean up scripts for middleware team via cron
• Helped in setting up ssh password-less keys (RSA, DSA) for deploying middleware builds just as Weblogic war files.
• Created custom plans, SSL certs (using open SSL) for working across multiple clients
• Troubleshooting and analysis of hardware and software failures for various Solaris servers (core dump and log file analysis).
• Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
• Installation and monitoring of Sun Volume Manager, Sun Cluster Server in SAN Environment.
• Providing 24 x 7 supports to various application level, server level & network level Monitoring and troubleshooting of any data center outages.
• Providing Support to networking services and protocols such as TCP/IP, NIS, DNS, NFS, LDAP, FTP, SSH, SMTP, SNMP, SSL, and HTTP.