System Administrator Customer Support

HARIKUMAR KOSINA

No.**, *st cross

Chandravadana layout

Kalker Main Road, RM Nagar Mob: +91-905*******

Bangalore 560016 ****.*******@*****.***

Objective

To contribute the growth of employer through my dedication towards work, enthusiasm to learn, master new skills and excel to become the best in my work.

Professional Summary:

Having 8+ years of experience in IT industries that includes Citrix CVAD and System administration.

Operations Professional to provide RIM (Remote Infrastructure Management) support in managing Citrix hosted servers and make sure that the servers in production environment are up and running without any impact.

Managed Virtualization Environment using CVAD, PVS, MCS and VMware ESX 6.5, 6.7 & 7.X.

Education:

Bachelor of Technology Jawaharlal Nehru Technological University, Anantapur, AP

CSE Aggregate: 6.2 CGPA

Year of passing: 2012

Technical Skills:

Citrix: XenApp 7.6, XenApp and XenDesktop 7.15, CVAD 1912, 2203 LTSR and Active Directory.

OS: Windows Server 2022, 2019, 2016, 2012, 2012 R2, 2008, 2008 R2 & 2003.

Virtualization: VMware ESXi server 6.5/6.7/7.X

Hardware: HP Proliant, Dell PowerEdge.

Tools: Citrix Director/Monitor, Citrix Cloud Console,Service now ITSM, Control Up Realtime DX.

Work Experience:

Period

Employer

Location

Designation

June 2016 to September 2020

Startek Inc. Aegis customer support service PVT LTD

Bangalore

System Administrator

September 2020 to till date

Teva Pharmaceuticals India PVT LTD

Bangalore

Senior Computer System Administrator

Citrix Responsibilities

Upgradation of Citrix Infra (Storefront, License, Delivery Controller, PVS, VDA, PVS Target) from 7.15 LTSR to 1912 LTSR.

Performing Daily Health Check of Citrix Environment

Publishing Applications and Desktops using Citrix Studio.

Manage the Citrix Delivery Groups and Machine Catalogs, Load Balance the Applications.

Knowledge and work Experience on DDC /Storefront/Director/PVS/Citrix Daas.

Deploying and Managing Citrix Servers.

Providing L3 level support to the end users.

Resolving user connections to the Citrix storefront server.

Troubleshooting user issues and Citrix severs performance/slowness related issues.

Deploy Citrix Servers based on customer requirement.

Citrix Profile Management.

Group Policy Creation from Citrix Infrastructure.

Capacity Management for Citrix infra.

Management of VMware infrastructure for Citrix servers.

Expertise on Managing and Supporting PVS infrastructure.

Expertise on Machine Creation using PVS and managing the Vdisk Store.

Expertise on Versioning of Vdisk and Managing the Master Images.

Expertise on Reverse Imaging.

Creating Machines (Client and Server OS) via PVS Console – Streamed VM Setup Wizard.

Maintaining Templates in VCenter for the machines creating machines via PVS Console.

Upgradation of PVS Target Device Agent.

Troubleshooting Service-related issues.

Patch and Vulnerability Management for PVS Provisioned Golden Images / VDisks.

Citrix Infra Health Check Support for VMware/Datacenter/Storage/DB/Network Activities.

Designed and implemented several process improvements including change management, Problem management and root cause analysis, Inventory management and Audit responses.

VMware Responsibilities

Creating and managing of VMware Clusters.

Snapshot Management and restoration of server.

Firmware Upgrade and Managing Hardware issues

VM Tool and VM Hardware Maintenance Up gradation.

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.

Thin to Thick Conversion projects for Critical environments.

Migrating Virtual machines with VMotion and Storage VMotion.

Troubleshooting virtual machine issues.

V2V conversions by VMware standalone convertor.

Basic Knowledge on Site Recovery Manager and DR.

Personal Traits:

Confidence.

Quick Learner.

Good at communication.

Task bounded but not time bounded.

Personal Details:

Date of Birth : 14th June 1991

Father’s Name : Mr. K. Sreenivasulu

Mother’s Name : Mrs. K. Rama Laxmi

Nationality : Indian

Gender / Marital Status : Male / Married

Languages Known : English, Telugu, Hindi, Kannada,

Hobbies : Cricket and Volleyball

Declaration

I hereby declare that the above details are true to the best of my knowledge.

Place: Bangalore

(Harikumar Kosina)

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