Maroun Rizkallah, System and Network Manager

Maroun Rizkallah

System and Network Manager

Retail Group

Location
Lebanon - Beirut
Education
Bachelor's degree, licence en informatique - Systemes et Reseaux
Experience
20 years, 7 Months

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Work Experience

Total years of experience :20 years, 7 Months

System and Network Manager at Retail Group
  • Lebanon
  • My current job since June 2011

Develop IT Strategy for supporting the company vision and business plans and existing
Operations
* Develop and implement the Annual Information Technology budget plans.
* Ensure that IT strategies are aligned with Company business direction by maintaining
close relationship with Company Senior Management.
* Ensure highest level of support services to all users.
* Research and assimilate the latest emerging Information Technology to meet the
organizational goals, create business opportunities, and improve productivity and
effectiveness.
* Provide various sets of means to enable the Company to exploit emerging Information
Technologies, identify short and long term information system requirements of the
Company.
* Conduct trainings on several technologies for all IT
* Conducting weekly and monthly preventive maintenance checks and follow-ups on servers
and network appliances in order to avoid unscheduled stoppages
* Evaluate and negotiate supplier deals, to identify suppliers offering quality materials at
budgeted rates.
* Responsible for IT hardware, software and maintenance procurement
* Troubleshoot hardware, software and network operating system
* Schedule upgrades and security backups of hardware and software systems
* Ensure the smooth running of all systems
* Provide secure access to the network for remote users
* Ensure the security of data from internal and external attack
* Plan and communicate any system and network downtime that affect users due to
maintenance
* Implement corrective actions related to system and network

System & Network Administrator at Retail Group
  • Lebanon
  • June 2005 to June 2011

Planned and designed the organization's LAN network expansion for
better network infrastructure.
* Installed network switches, router, cabling, and firewall.
* Installed and configured Microsoft Window servers(Domain Controllers/File

Network Technician at Tetracom
  • Lebanon
  • November 2004 to June 2005

Provide onsite second level of support for customers
* Install and Configure Cisco, Nortel and 3Com Switches and Routers
* Install and Troubleshoot network cabling and server rooms
* Install and Configure analog voice systems
* Deploy and Install CCTV cameras

System And Network Administrator at Lebanese Army
  • United States
  • November 2003 to November 2004

Provide first level of support for 200 employees
* Install network appliances
* Troubleshoot network environment issues
* Troubleshoot hardware, software and network operating system

Server/Exchange Server /Web Server/ ISA
  • to

Responsible for network management including network performance tuning,
security monitoring, backup, antivirus deployment and email server administration.
* Maintained network security policy, addressed server security issues and applied
appropriate security patches and upgrades
* Provided second level of support for more than 900 end users.
* Responsible for the administration of Avaya Call Manager
* Design and implement network connectivity between 100 retail branches
* Ensure and maintain proper documentation for the network design and data centers
* Perform system backups and ensure disaster recovery in relevant cases
* Deploy and troubleshoot credit card machines
* Coordinate with other units within the IT department on inter-related and cross functional
issues

System And Network Administrator at Bank Of Beiru
  • United States
  • to

Provide first level of support for 2000 employees
* Prepare new workstation for first use
* Troubleshoot network environment issues

Education

Bachelor's degree, licence en informatique - Systemes et Reseaux
  • at I.P.N.E.T Dekwaneh
  • November 2005

Specialties & Skills

Active Directory
ISA Server
Microsoft Exchange Server
CCNA Certified
COMPUTER HARDWARE
DIRECTING
EXECUTIVE MANAGEMENT
NETWORKING
OPERATING SYSTEMS
SERVERS
TROUBLESHOOTING
BUDGETING
BUSINESS PLANS
CABLING

Languages

Arabic
Expert
English
Expert
French
Expert