Sivakumar Dhanabalan
Plot No:69, Ashok Brindhavan Nagar, 2 nd Main road,
2nd Cross Street, Iyyappanthangal, Chennai-600056
Email:sivakumartdv@gmail.com, Mobile:9940197891
Professional Profile:
9 years of enterprise IT projects lifecycle experience on Designing, Deploying, Administrating, Maintaining
and Supporting Enterprise Microsoft platform, Linux platform and customized business applications.
Extensive experience in installation, administration and networking in various environments.
Expertise in Windows 2008/2003/2000 – Active Directory server administration and Exchange 2003.
Active Directory Services; Active Directory Group Policy Objects (GPO); Group Policy Management
Console (GPMC); DHCP; Replication, FSMO role; and DNS.
Expertise in Linux server administration(Red hart, Cent OS, Ubuntu)
Experienced on Service Delivery, Network and Systems support, Change/Content/Vendor /Incident and
Inventory/Facility/Helpdesk Management systems.
Experienced on support procedures, designing, troubleshooting LAN/WAN infrastructure and security
architecture design
Experience in SQL 2005/2008 server Database connectivity from clients.
Extensive documentation and training experience.
Professional Accomplishments:
MCSE on Windows Server 2003 - Active Directory Servers..
MCSA on Exchange Server 2003
HDCA
Technical Skills:
Platforms Experience: Dell Poweredge R430,Lenovo and HCL tower Servers
Directory Services : Active Directory 2000/2003 /2008Design and Administration
Operating Systems :Windows 2008 R2/2003 Server-Standard and Enterprise edition,Windows 2000-
Server, Advanced Server and Professional,Windows 8/7/vista/XP
Messaging Services :Microsoft Exchange 2003 Server, Postfix, SendMail servers
Protocols : TCP/IP, WINS, SNMP, SMTP, POP3, IMAP, LDAP, NNTP
Remote Management : RDP, VNC, Terminal Services, MS NetMeeting, PC Anywhere, Telnet, FTP
Monitoring : Nagios, MRTG
Backup Strategies : Bacula Backup, Cobain Tool and Windows NT Backup
Utilities :Ghost Image, Web Enabled ticket logging system, McAfee, Symantec, COMODO
Antivirus Administration and Roll out
Professional Experience:
COMODO Security Solution Pvt. Ltd.
System Administrator – Enterprise Support
Feb 2012-Till date
Responsibilities:
Responsible for third-level support for all server related issues.
Participated in complete system builds, upgrades, migrations, code deployments and patch management.
Implemented security policy and virus protection.
Administered change management related to server upgrades and software installation.
Prepared and maintained documentation of technologies, standards and procedures.
Upgrade Windows Domain Controller from 2003 to 2008 R2
Configuration WDS Windows and Linux Operating System Deployment
Installed and Configuration COMODO Endpoint Security for Centralized Management Anti-Virus
Implement Roaming Profile for all Domain Users
Deployment Group Policy Management (GPMC) Console 2008
Installation and configuration ADC in Windows Server 2008 R2
Installed OS Updates and Patches through Windows WSUS Server 2003
FSMO Configuration and Transfer Role
Watch the server Performance and Issue in Event Viewer Console
Installation and Configuration File Server Management using DFS
Installation new Linux DHCP Server
Performing Daily health checks on enterprise Domain Controllers, Postfix, SendMail Queues
Kayako Ticketing Tool
Imperial Garments Factory India Pvt. Ltd.
System Administrator
April 2010 – Feb 2012
Responsibilities:
Prepared the environment for deployment of Windows Server 2003.
Analyzed the hardware and software requirements of Active Directory.
Installed, configured, and provide troubleshooting for Server 2003.
Migrated Windows Server 2003 from test environment to the production environment.
Implemented and managed IP Addressing; configured TCP/IP addressing on a server.
Deploying Group Policy for domain users (GPMC).
Managing Symantec Endpoint Protection Manager (SEPM) Centralized Anti-Virus 2011
Managing Windows PSTOOLS utilities
Untangle open source Linux Proxy and Firewall Configuration
Remote Support
Handling configuration, administration & implementation of:
SQL Server 2005 Database Servers
Linux Configuration & Apache Configuration & samba Server Configuration
File permission & send mail configuration
Computer Factory India Pvt. Ltd
System Engineer (Customer Support)
April 2008 – March 2010
Responsibilities:
Providing Hardware and Software support for 150 desktop and 7 IBM X Server.
Providing support for ADS and DHCP Installation and Configuration.
Installation and Configuration in Windows Server 2003
Smooth wall open source Linux Proxy and Firewall Configuration
Sync backup Tool Used
DHCP Scope and IP Reservation
Managed installation and configuration of Microsoft outlook mail (Client Side).
Provided Technical support for LAN Printers, Hardware and Software Technical support for all the customers.
Responsible for handling Security updates and Virus updates
Tandem Info Tech Pvt., Ltd.,
System Engineer (Customer Support)
Jan 2007 – March 2008
Responsibilities:
Taking care of daily customer calls on field such as assembling, installation of software’s, trouble shooting of
pc, dot matrix / laser printers and other computer peripherals.
Installation of new hardware device includes networking item
Windows Server Standard Edition 2003 and Small Business Server 2003
Group Policy and Active Directory Configuration
Internal User Desktop Trouble shootings
LAN Basic Trouble shootings
Around 75 system managing and maintenance with Domain User’s
Configuration and Managing Google Apps with Thunderbird
Data Recovery in Formatted HDD
Laptop Service
Managing and Configuration Mcafee Anti-Virus software
Managing Remote Supporting Tools
PC-Care Pvt. Ltd.
Technical Support Engineer (Customer Support)
June 2005- Dec 2006
Responsibilities
Installing and Configuration various type of computer and printers.
Taking care of daily customer calls on field such as assembling, installation of software’s, trouble shooting of
pc, dot matrix / laser printers and other computer peripherals.
Installation of new hardware device includes networking item
Creating Bootable Floppy
New LAN Setup Creating
Configuration Network Printer and Local Printer (Sharp and Canon)
New Network Patch card crimping
Hardware RAID Configuration
Remote Management with Team Viewer, VNC, Show my pc and RDP
Laptop Service
Educational Qualifications:
M.sc IT (Information Technology) in Annamalai University.
Personal Details:
Sex: Male
Date of Birth: 05-05-1983
Nationality: Indian
Marital Status: Single
Languages Known: English and Tamil
DECLARATION
I, Siva Kumar. D does here by declare that the particulars given above are true to the best of my knowledge
and belief.
