Sameer Doddi

Experience

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  Indian Institute of Science

  Jun 2008 - Dec 2009

  Project Trainee

  Monitoring Internet usage, collecting performance statistics and tuning of network and producing results for top level management.Develop and maintain scripts for monitoring and reporting various aspects of system performance, resource utilization, and application usage. Troubleshooting problems pertaining to Proxy Server, System Performance, Network Administration, Application Conflicts, lvm, raid and System Bugs.Managing the Proxy server, Mail Servers, DNS, LDAP and monitoring day-to-day server performance.Automating the routine task through number shell scripts.NTP server to synchronize system time with the time server.Worked on Sendmail, MailScanner, and Spamassassin. Show less

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  HCL Technologies

  Jan 2010 - Jan 2011

  Associate Consultant

  Managing and Administration of all the servicesImplemented Single Sign-On (SSO) user CAS authentication for accessing the Internet services.Deployed Redhat LDAP server and implemented the schema changes for the requirement. Secure Data replication between LDAP servers configured to use ldaps protocol.No. of users registered: 2000+ Implemented SVN to track device and service configurations of various servers and devices configuration.Installed VMware ESX and Vcenter application to manage Virtual Machines for different project purpose.Vcenter features like Vmware HA, DRS, clone, template, and VM migrationsExtensively involved in migration of servers and written many automation scripts to perform things effectively Deployed and configured MediaWiki software for different project purpose.Managing the Proxy, Mail , DNS, LDAP, DHCP, samba and NFS servers and monitoring day-to-day server performance.Configured a Bug tracking utility (Bugzilla) for Testing and Project development teams.Maintenance of different websites and portals which was deployed on apache server. Redhat cluster administration.Apache with ssl configutaion for various internal portals Show less

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  Cisco

  Jan 2011 - Dec 2014

  Senior System Engineer

  Integration of different Cisco components to build Headend on Redhat servers in India Labs.Systems Integration at various labs in India, Israel and customer places (UPC Netherlands) Participated in Live customer delivery (UPC Netherlands) and deployed various cisco components.Working with STB (setup box) Testing and development team proactively and help to resolve issues at the server end.Configuration on IBM Blade center and cisco ucs servers with Fabric Interconnect configuration (B200 M3).DVB Technologies, Cable and satellite transmission systems.Multiplexers - Hormonic, DCMQAM - RF Gateway, QPSK Modulator and de-modulators.VOD systems - Prodis (Sechange), VAM.Cisco CMTS for provisioning docsis setup for cable modem.Oracle Database administration.VmwareInstalling and configuring ESX servers.Installing, configuring and managing vCenter. Managing VM’s using VMware web Client.Creating and managing virtual machines,installing VM Tools into VM’s.Creating VM Clones and templates from VM’s.Installation and configuration of virtual machines in an Enterprise SAN and NAS environment.Migration VM's using vVmotion and storage vMotion.Creating and managing VMware cluster. Enabling HA and DRS/FT features in a cluster.Configurations of Virtual switches and network connections.Upgrading from Vsphere 4/5.1 to Vpshere 5.5 using update Manager.Troubleshooting Virtual machine ESX Server issues. Show less

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  EMC

  Dec 2014 - Jan 2016

  Senior System Engineer

  Expertise in Cloud IaaS/Paas services.(Vmware Vcloud director/Openstack)Expertise in Backup as a service(Baas)Backup services - EMC Avamar, Avamar Rest-APIIntegration of MSSQL, oracle, EMC isilon, Vcenter, Sharepoint 2013, Exchange 2007/2013, windows/linux/solaris filesystem with EMC avamar for backup and restore.Storage - EMC Isilon, EMC Data domain.Virtualization Technologies (VMWare/Docker/QEMU).Configuration Management - AnsibleExperience in vcenter orchestrator. Experience in DevOPs modelExperience in creating NAT's and firewall rules using NSX Edge. Database Setup and Administration (MySQL/Mongodb/Oracle)Enterprise Directory Services (OpenLdap / Fedora / ActiveDirectory)DNS and DHCP Services.Web Servers - Apache, TomcatLoad balancer - ZenScripting - shell.Deployment of Baas solutions at beta customer location.Release management and extending support to various teams.Responsible for deploying various labs for service provider solutions team.Upgradation and maintenance of servers.designing network topology for the lab setup. Show less

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  IBM

  Jan 2016 - May 2017

  Cloud Infrastructure Architect

  Design, Implement and manage soft-layer private cloud infrastructure for different clients. Defining migration strategies to migrate workloads from traditional data center to cloud. Implemented Vsphere, openstack, VIO (VMware integrated openstack) infrastructure for different customers on softlayer cloud. Creating Low level design for the implementation. Build and design reference architecture for Iaas cloud customers Implementing Devops practices using configuration management tools on IAAS cloud. Planned and executed major infrastructure upgrade on Vsphere infrastructure Significant experience of working with Customers, Project Managers and Technical Teams for securing & executing projects. Implementation of Global build process for the smooth transition of the project. Worked on new initiative such as Azure, ICO implementations Show less

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  Dell Technologies

  Jun 2017 - now

  • Management of Pivotal cloud foundry (PCF)/Tanzu application service platform hosted for production grade IT applications• Management of Pivotal container service (PKS), an on-premises Kubernetes solution.• Working with stakeholders and product teams to ensure that business needs are being met.• Leading Group of system engineers on technical aspects and driving the project.• Plan, design, implement and monitor platform administration processes and procedures.• Experience on Monitoring solution – Prometheus, Thanos, Grafana and other exporters related to PCF, Vcenter exporter and blackbox exporters.• Working knowledge of build automation and CI/CD pipelines (Concourse) and GitOps tools like argocd• Management of VMware infrastructure.• Experience in system administration• Qualifying PCF new releases, raising defects and co-ordination with respective teams to get fixes.• Knowledge on SDN offerings like NSX-T.• Log Management – ELK, Splunk• Vulnerability Management- Kenna, Prisma Cloud Show less

  • Consultant

    Apr 2021 - now

  • Senior Advisor, IT Architecture

    Jun 2017 - Apr 2021