Prabhakaran K
Experience Windows system administrator
London
Summary
- Experienced in Microsoft server, Hyper-V, and VMware virtualization technologies.
- Proficient in installing and administering Windows Servers 2008-2019 and performing firmware upgrades.
- Skilled in implementing and managing Active Directory Domain services, group policies, AD, DNS, DHCP, WDS, WSUS, and SCCM.
- Knowledgeable in the installation, configuration, patching, and firmware upgrade management of ESXi and vCenter Server.
- Demonstrated expertise in creating and managing virtual machines, Vmotion, fault tolerance, and VMware High Availability.
- Familiar with ITIL processes, including incident, change, and problem management.
Overview
11
11
years of professional experience
Work History
Senior System Administrator
DXC Technology India Private limited, Client: TNT - FedEx, UK & EMEA region Infra: 3500+ Servers
Chennai
09.2019 - Current
- Windows server, ESXi Host, VCenter servers build, patching & Firmware upgrade,
- Patch Tuesday KB analysis and implementation on the Test and DEV servers The following weekend on the PROD servers.
- Patching the entire estate of Windows servers (Win 2008–2019) every month via SCCM and HPSA.
- Managing the 3500+ Windows server HW, Firmware upgrade, Server Build and upgrade, and OS-related issues. Also, Vulnerable tool version upgrades (like Edge, Chrome, McAfee Agent, and endpoint upgrades)
- Basic knowledge of PowerShell scripts was implemented to reduce manual work. Automate the manual jobs and high-polluting issues.
- Critical servers daily Health check and monitoring queue Incidents (P1 to P4)
- File sharing and permission-related Service requests
- Pro-active and server issues Fix change management and problem-record activity.
- All types of tickets such as New Virtual machine creation, Modification of Virtual resources, New VM template creation, Cloning VM, VM connectivity/performance issues, vMotion, High Availability, and Extension of Datastore in ESX Server,
- Hyper-V host server management and patching
System Administrator
Scintel Technologies Pvt. Ltd, Client: McKesson Corporation, USA Infra: 5000+ Servers
Chennai
12.2012 - 09.2019
- Managed over 5000 VMware View servers and desktops.
- Proficient in managing GPOs, sharing permissions, and AD user groups.
- Handled various types of tickets, including virtual machine creation and modification, VM templates, connectivity and performance issues, disk space problems, vMotion, high availability, fault tolerance, and datastore management.
- Experienced on server-related problems such as BSOD, drive space issues, restarts, ping failures, CPU and page file usage, Windows Server installation, AD server implementation, and WSUS.
- Demonstrated expertise in patch management, deploying MS Fixes and Patches, patch removal, registry changes, and addressing insecure protocols.
- Conducted security health checks on Windows servers using the Tenable Nessus security tool.
- Experienced in decommissioning physical, virtual, and ESX hosts, including tasks such as network monitoring removal, Lun removal, IP reclamation, backup termination, server shutdown, contract coordination, IT Asset Manager tool updates, SLA updates, and DNS record removal.
Education
Bachelors's in Computer Application - Computer Science
Selvamm Arts & Science College,
Namakkal, Tamil Nadu, India04.2011
Skills
- Windows System Administration
- Windows AD, Group Policy ,SCCM & WSUS Management
- Hyper-V, ESXi & VM Vcenter Patching and Firmware Upgrade
- Incident and Change Management
- Troubleshooting and Maintenance
- Technical Support
- Documentation/Reports
Languages
Tamil
First Language
English
Advanced
C1
Accomplishments
DXC recognition for the accomplishments:
- Congrats on the Q4 Champ Awards for May 6, 2021
- Community Recognition, September 9, 2021
- Deliver is recognized on November 19, 2021
- On December 20, 2021, COLLABORATE was recognized
- DELIVER Recognized: November 30, 2022
Timeline
Senior System Administrator
DXC Technology India Private limited, Client: TNT - FedEx, UK & EMEA region Infra: 3500+ Servers
09.2019 - Current
System Administrator
Scintel Technologies Pvt. Ltd, Client: McKesson Corporation, USA Infra: 5000+ Servers
12.2012 - 09.2019
Bachelors's in Computer Application - Computer Science
Selvamm Arts & Science College,
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