Insightful, results-driven, technically sophisticated IT Professional with demonstrated success in IT.
Solutions Engineering, Server & Network Administration, Cloud Computing and Data Center operations. Able to coordinate and direct all phases of project-based efforts while managing, motivating and guiding individuals and teams.
Configuring and Managing Zimbra, Postfix, and other mailing software.
Configuring and Managing Web Servers like Apache, lighthttpd, nginx.
Configuring and Managing Proxy Server SQUID.
Configuring Chat and Video Chat on Openfire and Spark client.
Configuring and Managing HA clusters with Heartbeat,
Good Understanding of Openstack architecture, capabilities and roadmap.
Strong knowledge on virtualization technologies. ( VMware , KVM, Xenserver).
Expert in Hypervisor configuration (KVM, ESX, XenServer).
Experience working with enterprise SAN's (NetApp, EMC or others).
Strong Architectural understanding Infrastructure stack (Blade matrix, CISCO UCS)
Experience in system/network programming, data-intensive system configuration management, operating system tuning, scripting language(s) such as Shell, Perl.
Good HA and DR understanding. (Clustering, Load balancers) using Pacemaker, Ultramonkey, HA-proxy, Keep-alive.
MySQL master-slave Geo-graphically Replicated Clusters.
Mongo DB,Node.js,Elastic Search clusters,Redis,Cassandra
CDN Optimized Websites.
High available wordpress standalone and multi-site setups.
You can reach me on skype @umashankar_1988