Hariharan K, IT Administrator

Hariharan K

IT Administrator

Rasasi Perfumes

Location
United Arab Emirates - Dubai
Education
Master's degree, NETWORKING
Experience
14 years, 3 Months

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Work Experience

Total years of experience :14 years, 3 Months

IT Administrator at Rasasi Perfumes
  • United Arab Emirates - Dubai
  • My current job since June 2013

 Monitoring all SAP servers on daily including ECC_PRD, BI_PRD, BO_PRD, SOLMAN, AX_DB, PI_PRD.
 Provinding Support to SAP Team & Microsoft Dynamics Team.
 Maintain website of Rasasi Perfumes Using Durupal 6.
 Maintain 350 user system & email accounts and rights in Microsoft Exchange 2010.
 Maintain 110 user system & email accounts and rights in Lotus Notes 9.
 Managing 75 servers including 35 Physical and 40 Virtual Servers .
 Configuring the rules in accordance and checking all the VPN connectivity’s which includes desktop VPN and site-to-site, Global perspective VPN in Sonicwall NSA 3600.
 Manage Sonicwall NSA 3600 .
 Maintaining a Performance and Monitoring the Servers and Networks for Backup & Recovery Task on schedulded time via Acronis 11.5 Backup into IBM Tape Library.
 Managing SMTP Server- Mailmarshal (Trustware) 7.3.0.7277 .
 Handling/Managing Domain Server on Active Directory, DHCP, DNS and File Server. Grant/Revoke Shared Folder Access based on Global IT head service request.
 Manage & Installation of Windows based Servers, Desktop/Technical Support and Microsoft Outlook Configurations on Internet Mails & Exchange and Lotus Services and Troubleshooting.
 Managing Active Directory Environment-User & Group Administration, Domains & Forest access.
 Managing Kaspersky Antivurus Server.
 Assisting employees in the office and retail outlet for all their computer desktop systems and application requirement.
 Coordinate with vendors and with company personnel in order to facilitate purchases, Installation and Implementation.

Projects Completed:
1. Change of Firewall (Juniper to Sonicwall).
2. AMS (Approval Management System) in Lotus Notes.
3. Viewing of CCTV through a 3 GB Network (for 75 Outlets).
4. Change of Backup Solution (Symantec to Acronis).
5. Moving the connection of 200 outlets system to Rasasi Network from Etisalat Network. (ERP server moved from Etisalat).

Ongoing Projects:
1. Migration of all physical servers to Hyper-V.
2. Implementation of Huawei IP Telephony.
3. Implementation of Disaster Recovery.

Network Incharge at NIT UTTARAKHAND
  • India
  • December 2011 to April 2013

 Installation, configuration and maintenance of Dell M610e Blade Server.
 Deployment and troubleshooting DHCP Server, DNS Server, FTP Server, and SMTP Server.
 Created and design network layout and documented the network system design with detail information.
 Installation and trouble shooting, Windows 2003 and Windows 2008 Servers & professionals.
 Maintenance and providing support for more than 200 clients’ setup.
 Provided 24/7 on-call support for all network and security related issues.
 Administering & designing LANs, WANs internet/intranet, and wireless networks
 Established security policies for systems, and designed and managed secure networks for the Institute.
 Updated firewall rule base on Fortinet (UTM), as well as implemented VLAN in the firewall.
 Responsible for creating, modifying, removing VLAN configuration as per the need.
 Installation and supporting for mail clients like Outlook Web App (OWA) using Microsoft Exchange 2010.
 Managing D-Link switches.
 CEstablishedntly video conferencing between 15 different locations.
 Coordinate with Different ISP like BSNL and Tulip and created a load balancing between these two ISPs in the Firewall.

Assistant Network Engineer at THE ROBERT GORDON UNIVERSITY
  • United Kingdom
  • September 2009 to August 2011

Analyzed LAN to determine what were the major problems and improvements needed to be made to the network infrastructure.
 Configured and managed AD, Exchange, DHCP, and backup servers in the corporate network.
 Responsibilities include analysis, installation, maintenance and modification of computing system.
 Engineered a dedicated server to move them from a peer-to-peer network to provide more reliable service and to reduce the latency.
 Responsible for the evaluation and recommendation of the new hardware and software.
 Responsible for providing the desktop system administration and support to the network.
 Responsible for providing help, support and assistance in initial installation of the system, setup and maintenance of the user account, data recovery.
 Responsible for providing the assistance in the installation of system, network and updating Antivirus.
 Communicating and negotiating with users, specialists, other staff and suppliers.

Education

Master's degree, NETWORKING
  • at THE ROBERTGORDON UNIVERSITY
  • May 2011
Bachelor's degree, INFORMATION TECHNOLOGY
  • at VELLORE INSTITUTE OF TECHNOLOGY
  • June 2009

Specialties & Skills

Sonicwall
Windows Server
Fortinet
Juniper
NETWORKING
Active Directory
Sonicwall -Firewall
CISCO 2900 Series Router
Juniper - Firewall
Fortinet -Firewall
Acronis
Dell Blade Server M610e
Acronis

Languages

English
Expert
Hindi
Expert
Tamil
Expert

Training and Certifications

CCNA- CIsco Certification (Certificate)
Date Attended:
September 2009
Valid Until:
June 2011

Hobbies

  • Reading books, Designing network, playing cricket