Network/System/VoIP Administrator
Resume:
DAVOUD TAVAKOLI
** ******** ********, ******, **, L4G 3P6
*.********@*****.***
ca.linkedin.com/in/DavoudTavakoli/
NETWORK/SYSTEM ADMINISTRATOR WITH 10+ YEARS OF EXPERIENCE
SUMMARY
Results–oriented professional with over 10 years extensive experience in IT network/system/VoIP administration and support
In-depth experience in implementation, analysis, organization, troubleshooting and documentation of LAN/WAN/VoIP networks for enterprise clients
Critical thinker with excellent analytical and problem solving skills
Demonstrated ability to see big picture and to focus on details
Self-directed with the ability to take initiative in identifying and resolving problems
Expertise in core network planning and managing implementation process in a 24/7 call center
TECHNICAL SKILLS:
Ability to Plan, provision and maintain VoIP phone systems, IP PBXs such as Digium Switchvox, Elastix, Freepbx, Asterisk and Mitel
Implementing and maintaining virtual datacenters using VMWare Technology or KVM(Virtualization)
Ability to Plan, provision and maintain network services on open source environment, Linux based such as DHCP, DNS, Samba, file sharing and cloud storage, email service, VPN, VoIP telephony systems, virtualization, network monitoring systems and shell scripting
Ability to plan, implement and maintain Windows infrastructure, Active Directory and GPO also implementing and maintaining the necessary network services such as DHCP, DNS, VPN access,E-mail and file sharing, MS Exchange, RDS server, network monitoring systems and Powershell scripting
Planning, configuring and maintaining data and voice network for LAN and WAN Networks including hubs, managed switches, routers, wireless links, access points, load balancer and firewalls.
Helpdesk assistance ability for maintaining, troubleshooting and installing the hardware, OS and applications
EXPERIENCES
Helpdesk and Administrator, Golden Integrated Solutions, Toronto (Sep 2013-Now)
Planned, implemented and maintained small to mid-sized VoIP PBXs on different PBXs Digium Switchvox, Elastix, Freepbx and Asterisk
Provisioned and configured Citrix XenApp server, Windows RDS remote application server
Provisioned and configured network devices such as switches, POE switches, Managed switches with VLANs, routers, Wifi access points and gateways
Accompanied in migrating a 100-user email server from MS Exchange server to Telus Hosted Exchange service
Planned, implemented and maintained open source Network Monitoring System(Zabbix) with a distributed topology
Installed and maintained virtualized environment on VMWare and KVM servers
Maintained and supported the MSP clients from small to mid-sized businesses which have variety of
oLinux and Windows servers
oVMWare and KVM virtualization
oDigium Switchvox, Asterisk, FreePBX and Elastix VoIP phone systems
oSwitches, POE switches, Managed switches, routers, VLANs, Wifi access points and gateways for network
oWindows XP, 7, 8 and Apple iOS as workstations and different application such as MS Office, Adobe suite and antiviruses
oDifferent network services and applications DNS, DHCP, RDS, MS Exchange server, FTP, network monitoring tools, SQL server and Sharepoint
Network Administrator, Nickel Ghaleb, Iran(2005- 2013)
Planned, implemented and maintained a virtual datacenter using VMWare vSphere client 4.1 containing 2 hosts and 25 Servers resulting in the decrease of cost, space and maintenance cost for datacenter
Planned, implemented and maintained windows infrastructure, Active Directory and GPO based on Windows 2003 Server and Windows 2008 also migrated Domain from Windows 2000 to Windows 2003
Planned, implemented and maintained a network containing hubs, switches, routers, wireless links, access points and firewalls for 14 branches, 45+ servers and 400 clients
Planned, implemented and maintained a disaster recovery plan for data connection lost by preparing a redundant connection that decreased connection lost from 5% to 0.5%.
Implemented, configured and maintained network services such as DHCP, DNS, VPN access and file sharing
Installed, Configured and maintained a network monitoring application(IPMonitor) to control and decrease network resources downtime
Improved and expanded network based on ISO 27001 security standard guidelines
Experienced with SAN, NAS, iSCSI and LTO tape storage systems
Hardware and Network Specialist, Nickel Ghaleb, Iran (2001-2005)
Configured and maintained a network with 14 branches containing Routers, Switches and Wireless links.
Configured and maintained servers such as Raid configuration, operating system and servers performances
Contributed in supporting 400 computers for hardware, applications, OS, network and performance problems
Implemented and maintained network infrastructure, Active Directory, DHCP, DNS, and other network services based on WindowsNT Server, Windows 2000 Server and Windows 2003 Server also successfully migrated domain controller from Windows NT to Windows 2000.
EDUCATION
Bachelor of Engineering - Hardware Engineering, Isfahan University 1994
CERTIFICATE
Workplace communication for Internationally educated IT pros (Ryerson University) 2013
Digium Certified Switchvox Engineer (dCSE) v2 (Asterisk Company) 2014
Digium Switchvox Support Engineer (dSSE) (Asterisk Company) 2015
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