Koduru Karuna

Carrier Objective Having 7.01 years of Experience as a Windows Server Administrator in a highly competent and organized systems administrator with experience of software procurement, installation, administration & compatibility. Well mannered, articulate and able to act as point of contact for colleagues and external clients.

• CMS IT Services Pvt Ltd – November 2021
• Received Monthly Performance Excellence Award in CMS IT Services Pvt Ltd – February 2021
• Roles & Responsibilities
• Providing proactive and reactive Tier 2 & 2+ support to the customer with an emphasis on minimizing downtime and service interruptions
• Manage Escalated Incidents and provide a solution to clients
• Provide root cause analysis, prevention, and knowledge capture
• Manage challenging technical issues by setting customer expectations, devising and implementing action plans, and professionally communicating with all involved parties
• Providing timely responses to client and management requests
• Status updates on such requests on regular basis
• Ensures problem ownership and promote end user satisfaction
• Manage ticketing system; Create, track, escalate and close trouble and/or infrastructure change tickets in Footprints
• Track activities of technical request to whom tickets were assigned to ensure request were resolved in timely manner meeting SLA requirements
• Worked on Change Record as per the process
• Develop, document, and maintain Wintel Admin training materials and system documentation for training or educating new engineers
• Performed AD, DHCP, SMTP and Application servers Migrations as per customer request
• Creating and managing Active Directory User Accounts and Groups
• Installing and configuring IIS, also hosting the web applications
• Worked on updating patches using windows server updating services (WSUS)
• Worked on Visual Studio 2019 installation and troubleshooting
• Worked on building and configuration of new servers in the organization
• Installing and configuring RDS Terminal services
• Installing, configuring & Troubleshooting ADDS, DHCP and DNS Servers
• Migration and upgrading of Windows server 2012 R2, 2016 and 2019
• Creating Group policies and implementing and linking the GPOs accordingly
• Involved in Configuring & Troubleshooting Windows Servers 2012/R2, 2016 & 2019
• Monitoring, Schedule Scanning & Updating Antivirus to ensure maximum protection to the server
• Handling the alerts from Windows server and provide the proper solution to fix the alerts
• Configuring and managing Cluster Servers (NLB & failover clustering)
• Knowledge and worked on FSMO role transfer and seizing FSMO roles
• Installing and configuring print services along with Network printers
• Having knowledge on installing and configuring Hyper-V
• Experience of working in 24/7 operations
• Troubleshooting problems with the help of Event Logs
• Installing, configuring and managing ESXI servers, Vsphere Client and Virtual center
• Security hardening and Monitoring of VM’s &ESXI servers (CPU, Memory, Disk, Network Utilization) for Security Compliance
• Migrating using VMotion, Performing Snapshots, Cloning, Cold Migrations, Hot Migrations& Storage Migration
• Creating and Managing Virtual Machines and Templates
• Enabling HA and DRS features in a cluster
• Taking the Snapshots of the Virtual Machines using Snapshot Manager
• Configured Resource Pool, VMotion, Alarms
• Migrate Physical Servers to Virtual Server using VMware Converter 6.2 (P2V, V2V Conversion)
• VM Servers build & rebuild (Deploying the New VM from the Template and Cloning an Existing VM) as per the client request through change management process
• Windows Exchange Server 2013 :
• Troubleshooting mail flow issues
• Managing Exchange 2010/2013 in a large, on-premise, clustered enterprise environment
• Research acute, complex technical problems within the environment and develop plans to resolve
• Working closely with the managed service provider and senior IT staff, facilitate collaborative work
• Engage in administrative tasks such as adding, modifying and deleting group mailboxes and
• Email accounts
• Sound knowledge of Email client like Microsoft Outlook and OWA
• Manage Exchange Online users, manage recipients - create, modify, delete, shared mailbox, recover deleted emails
• Troubleshooting issues with shared mailboxes
• Preforming Exchange migrations
• Managing Mailbox databases/ Backups/ Repair/ Recovery
• Technical Specialization
• Microsoft Servers : Windows Server 2012 & R2, Window 2016 & 2019 servers
• Server Role Configurations : Active Directory, DNS, DHCP, IIS, Patch Mgmt
• Anti-Virus : Symantec Endpoint Protection Mgmt
• Console RDP Tools : Remote Desktop (RDP), remotely anywhere, VM console.