Ahmed Samir

Experience

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  Egyptian Company for Integral Commercial Markets

  Jan 2010 - Feb 2011

  Network Engineer

  • Manage, SQL 2008 Server database• Maintain access over sql software via VPN• Manage Active Directory, for permissions over shared folders and users • Manage DHCP Server over two branches• Provide solutions for Buffer Overflow Attacks , and SQL Injections over company’s database• Checking Security flaws and patching all systems, Securing access to the system via SSH tunnels.• Securing systems remote desktop sessions (RDP) via SSH tunnel secured by iptables .• Install, upgrade, and maintain desktop computers and printers.• Administering & designing LANs, WANs internet/intranet, and voice networks. • Communicating and negotiating with users, specialists, other staff and suppliers. • Network connectivity troubleshooting, ping, tracert, telnet. • Responsible for communication protocols, configuration, integration & security. • Investigating, diagnosing and resolve all network problems. • Maintaining pre-packaged software applications on the LAN. • Upgrading and repairing faults on CIS systems, networks & peripheral equipment. • Cisco & HP switch configuration in particular VLAN configuration/troubleshooting. Show less

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  Merkato Hyper Market

  Jul 2011 - Aug 2012

  System Administrator

  • Responsible for maintaining and installing computer networks based around • Microsoft Server Technologies. Working as part of a team and operating in a fast paced, changing and challenging 24x7 environment.• Designing, implementing and managing Active Directory.• SQL Server 2008 , Installing SQL Server , Maintaining Performance Quality , with Maintenance Tasks , Indexing , Compressing , Daily Backups • Provide Logical or physical support • Providing advice on selection and purchase of IT equipment. • Maintaining maximum availability of supported services for users. • Obtaining quotes for supply of goods and services from suppliers. • Responsible for disaster recovery, closing security loopholes and access levels. Show less

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  Teleperformance Dubai

  Apr 2015 - Oct 2021

  • Design, implement, Maintain Windows 2012 and 2008 R2, Hyper-V, Active Directory, GPO, DNS, DHCP and file & print servers.• Manage users & computers settings.• Managing Bluecoat web filtering server.• High Experience in AVAYA IP telephony systems• Deploying and managing Symantec end point(SEP), managing updates and monitoring the virus definitions.• Implementing and Managing JAMF solution to enforce policies and updates on macOS and iOS devices.• Broke down and evaluated user problems, using test scripts, personal expertise and probing questions.• Patched software and installed new versions to eliminate security problems and protect data.• Install and maintain network hardware and software.• Ensure network connectivity throughout company's LAN/WAN infrastructure is on par with technical considerations.• Administer servers, desktop computers, printers, routers, switches, firewalls, phones, personal digital assistants, smartphones, software deployment, security updates and patches.• Broad experience with multiple technologies including: Antivirus, MDM solutions, Desktop Imaging, Group Policy, Active Directory changes, Office Suite, Printers, OSX, iOS, Wireless technology, and other business applications.• Knowledge of Windows Server 2012 and 2016.• Knowledge of Mac OSX and Windows Servers.• Experience with Antiviruses software and DLP Support more than 600 machines and users (iMacs) using JAMF Server and windows using LANDESK.• Performed server backups and changed and replaced backup tapes daily.• Managing Data & Voice VLANS on cisco switches Show less • Responsible for maintaining and installing computer networks based around.• Design, implement, Maintain Windows 2012 and 2008 R2, Hyper-V, Active Directory, GPO, DNS, DHCP and file & print servers.• Design, Manage users & computers settings in Active Directory.• Managing webserver.• Monitoring Servers performance. • Managing Data & Voice Vlans on cisco switches & Core switch. • Managing Port Security & McAfee ePolicy Orchestrator. • Managing of Open Directory server. • Managing OS X Update server & Deployment server. • Dealing with Macintosh OS.• Managing OS X Profile Manager Server.• Managing MDM server. • Managing Bluecoat proxy server.• High Experience in AVAYA IP telephony systems.• Managing PBX Avaya G450 server.• Managing & configuring Cisco Firewalls ASA & Cisco routers.• Managing Routes and ACLs and Nating & Firewall zones & MPLS.• Managing Datacenter equipment & maintenance. Show less • Responsible for maintaining and installing computer networks based around • Manage Active Directory, for permissions over shared folders and users & security groups • Managing VLANS on cisco switches • Managing Port Security • Managing CMS & Nice application• Knowledge of Cisco IP communicator & ICRS • Provide Logical or physical support • Managing Citrix Xenapp • Maintaining maximum availability of supported services for users. • High Experience in AVAYA IP telephony systems. Show less

  • System Administrator

    Sept 2017 - Oct 2021

  • Technical Support Engineer

    Sept 2015 - Oct 2021

  • Technical Support Engineer

    Apr 2015 - Sept 2015
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  Etisalat UAE

  Oct 2021 - Mar 2024

  • Project Manager

    Sept 2022 - Mar 2024

  • System Administrator

    Oct 2021 - Mar 2023
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  Property Finder

  Dec 2023 - now

  IT Engineer