System Administrator
Avensys consulting Pte Ltd
Total years of experience :22 years, 4 Months
Troubleshoot and provide maintenance for the Group’s IT network (LAN/WAN), servers, user devices.
Monitor the Group’s network operating system’s connectivity state and performance to ensure operational availability and escalate network issues to designated parties.
Maintenance of Group anti-virus platform for servers and client desktop, conduct test and deployment of Microsoft patches for servers and client.
Manage and maintain high availability of servers and network which include :
• Active Directory: user account and group policy.
• Web Server, IIS, Internal of DNS.
• E-mail: user account, e-mail blast, webmail and Exchange Server.
• SQL Database administration, user account, backup and restore.
• File server: Sharing of files internally.
• Modem, backbone switch and routers configuration.
• Terminal Servers, Proxy server
Ensure security and provide access to remote office and to mobile user
Preparation of new machine for new staff and upgrade for current staff (Installation and configuration).
Manage & liaise with vendors on operational support and infrastructure projects
Provide assistance to users in resolving routine hardware and software problems
Review security logs for MS Windows servers and network equipment and take corrective actions
Monitor and proactively addressing day-to-day user issues and emergencies
Involved in in Redhat, UNIX Administration and Configuration
Liaise with vendors on systems related issues
To perform installation, configuration, administration, maintenance, tuning and troubleshooting the server infrastructure.
Administration of entire Windows, Linux, UNIX that includes Servers and Desktops.
Manage and maintain Retail banking system (Ultracs 2.0)
Manage and maintain HP UNIX 11.11 server and configuring devices
Manage and maintained Iron port C150 email security appliance
Manage, maintain and troubleshoot Symantec End point 11 series
Manage, maintain and hosting of IIS servers & uploading files and web pages
Manage & troubleshoot DMS server using view wise 5.6.1
Administration and troubleshooting E-mail server
Managing & maintaining and configuring PDC server (Red hat Linux)
Manage, maintain & configure squid Proxy server under red hat Linux 7.2
Configure and manage Terminal server, VPN, DFS, DNS and SSL Certificates updates
Manage and configuring local and network printer
Resolve user end problems hardware, software, and network and email problem
Performing daily, weekly and monthly backups and restore backup using tar.
Managing and configuring of Email blast and PC Anywhere applications, PIX 515 V 4.4
Troubleshooting real time problems and optimizing the Network performance.
Configuring and Maintaining the LAN and WAN.
Provide strategic plan network implementation systems support for small businesses and professional offices.
Administration of entire Windows 2000, XP, Linux that includes Servers and Desktops.
Supported Help desk management.
Managing and maintain Samba server (fedora core 5).
Managing and Maintain FTP and intranet servers.
Administration of ADS DNS, DHCP on Windows.
Performing daily, weekly and monthly backups.
Other activities include creating and managing User Accounts, Groups, Account Policy, User Rights, User Profiles, and System policies.
Managing and Maintaining Proxy server and mail server.
Involved in Remote Installation. Remote Desktop, Remote Assistance
Maintaining and monitoring the OS level security for the systems
Cloning Hard Disk using Norton Ghost and acronis, Easeus
Responsible for troubleshooting LAN more than 200 system.
Involved in troubleshooting operating systems, hardware, structured cabling.
Involved in internet sharing and setting up proxy.
Maintaining Networking devices like Hubs, Switch, and Media Converter.
Configure outlook and Microsoft outlook express and so on.
Involved in Using Firewall (Sygate)
Hardware / software installation and troubleshoot.
ICS, Internet Sharing and Internet permission using proxy.
Managing and maintains physical and Logical Devices.
Configuring MS outlook and outlook express
Involved in data recover and mail recovery using third party tool
Involved in network problems and virus problems.
Creating User & user rights, groups, Disk quota, and file permissions.
Managing and maintains tally servers
Responsible for servicing hardware and peripherals computer systems.
Involved in diagnosis and troubleshooting of hardware problems.
Involved in assembling systems.
Involved in maintenance of computer systems.
Installation, configuration and troubleshooting of all hardware peripheral device