Sivakumar Dhanabalan
Mobile: +91 9790903317                                Email: sivakumar.d@outlook.in
Profile Summary:
   • 10+ years of experience in server and network administering
   • Highly skilled in maintaining applications, installing backup systems and end-user issues.
   • Successful background in performing server installation,upgrade,patches and configurations
   • Experienced in installing and administering Citrix and Windows server systems.
Technical Proficiency:
   • Windows server administration 2003, 2008 R2 and 2012 R2
   • IIS 6.0/7.0 web service management
   • FSMO role management
   • Active directory service management
   • Group policy service management
   • DHCP server management
   • DNS server management
   • Print server management
   • DFS service management
   • WSUS service management
   • Citrix server administration
   • Xenserver Pool creation management
   • Xenserver patch update management
   • XenApp installation and configuration
   • XenApp farms
   • Load management
   • Citrix XenApp web interface administration
   • Citrix streaming profiles and publishing applications
   • Backup and Restore Administration
   • NTbackup management (Active Directory)
   • Bacula backup management
   • Database backup management
Professional Experience:
Roles and responsibility @ Comodo Security Solutions
   •   Windows active directory
                         directory Infrastructure Implementation and Migration 2003 to 2008 R2
   •   Installation, Administration and managing Cluster services
   •   Installation and configuration managing Active Directory,DNS and DHCP Servers
   •   Installation and configuration weekly MS patches management
   •   Managing Active Directory Users and other resource objects
   •   Creation and managing country wise OU and Groups resources
   •   Installation and configuration in DFS
   •   Transfer FSMO roles
   •   Managing domain controller site replication
   •   Installation and configuration Group policy structure
   •   Installation and configuration Windows Deployment services
   •   Managing IIS6 and II7 web servers and hosted web sites
   •   Creating, deploying, renewing and import and export of the SSL certificates
   •   Managing web server optimization and performance
   •   Creating and managing FTP sites
   •   Website content and application release management and creating virtual directories
   •   Installation and configuration Xen Server 6.0
   •   Managing node's storage size and memory
   •   Create and configuration in Pool
   •   Creating and configuration secondary node
   •   Installation and configuration streaming profile and publishing application
   •   Create and managing citrix server policies
   •   Installation and configuration XenApps
   •   Create new database in Mysql and SQL
   •   Modified user access privilege in databases and tables
   •   Create and managing secondary and third node database for replication purpose
   •   Database access user permission in SQL
   •   Windows NTBackup service managing (Active Directory Backup)
   •   Backup and Restore in database managing daily and weekly (Incremental and Full)
   •   Server hardware and software performance monitoring
   •   Creating group and configuration in Virtual Lan
   •   Reserve specific public IP address in grouped Virtual Lan
   •   Installation and configuration COMOD Endpoint Management services
   •   Configuration and managing weekly scanning schedule in COMODO
   •   Creating and managing DHCP Scope and reservation
   •   Change and managing the domain controller IP address without zone change
   •   Configuration and managing User Quotes
   •   Installation and configuration RAID management (RAID 1 and RAID 5)
   •   Configuration and managing SAN and NAS storage (Net gear box)
   •   Kayako ticketing tool
Roles and responsibility @ Imperial Garments Factory India Pvt Ltd.
   •   Installing and configuring and hardening of windows server 2003
   •   Creating group policies and implementation as per standard procedures
   •   RAID configurations and Disk management utilities tools
   •   Perform security health check of windows server and other compliance related activities
   •   Daily operating system alert handling and response
   •   Quarterly and half yearly password maintenance and scheduling
   •   Ticket status check and update
   •   Incident escalation and progress monitoring
   •   Monitoring DHCP scopes
   •   Monitoring DNS resolution and zones
   •   Maintenance of software licenses
   •   Perform timely patch management as per schedule
   •   Creating and update of technical documentation
   •   Installed centralized Symantec End-point Protection Manager 11 Anti-virus
   •   Managed all NTFS/Share's permissions
   •   Managed all User's and Groups accounts in domain controller
Roles and responsibility @ Computer Factory India Pvt Ltd
   •   Plan, develop and present training to increase overall capabilities of users of the installed
       computer equipment
   •   Providing hardware and software support in clients
   •   Responsible for all backups of the company
   •   Manages windows workgroup user's, computers and printers
   •   Installing, configuring, managing and maintenance of all servers and workstations
   •   RAID configuration and managing in client
   •   Administration of print servers and file servers
   •   Anti-virus software implementation (Mcafee, Symantec Norton, TrendMicro and Kaspersky
Roles and responsibility @ Tandem Info Tech Pvt Ltd.
   •   Administration of Windows domain controller and Linux servers
   •   Creating users, grant permission, applying new patches
   •   Managing of anti-virus server and updating DAT
   •   Managing the print server and file server
   •   Managing the networks in LAN,WAN
   •   Creating profiles and configuring the group policies
   •   Maintaining the LAN and sharing the proxy server
   •   RAID configuration and disk management
Roles and responsibility @ PC-Care Pvt Ltd.
   •   Installing and configuring various type of computers and printers
   •   Installation of new hardware device including network items
   •   Provide technical support to the internet cafe, management and clients networks
   •   Configuring, managing and troubleshooting of various servers
   •   Provide technical support to dial-up clients on daily basis
   •   Responsible for installing and updating of anti-virus
   •   Setting up of conference facilities (Video and tele-conference), and providing technical
       support
   •   Provide daily reports on status of all hardware equipment's and assigned duties
   •   Installing and configuring new equipment's and software on the network and for customers
Technical Qualifications:
      Completed MCSE
      Completed HDCA
Education Qualifications:
      MSC Information Technology at Annamalai University
      2011-2013
       Bachelors of Literature (B.Lit) at Dharumapuram Aadhinam Arts College
       2002-2005
Personal Details:
       Father's name                             : Dhanabalan
       Date of Birth                             : 05-05-1983
       Languages Known                           : English and Tamil
       Passport Number                           : 100383507761
       Present address                           : No: 2/157, Ashok Brindhavan Nagar,
                                                   2nd main road, 2nd cross street,
                                                   Iyyappanthangal, chennai-600056
                                                          Sivakumar Dhanabalan