Ahmed J

Experience

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  INFOTEL TECHNOLOGIES, DJIBOUTI, EAST AFRICA

  Feb 2006 - Jul 2008

  IT ENGINEER

   Job Role and Responsibilities Installing, configuring, administering and troubleshooting computer hardware, software and Internet problems. Provide support for LAN/ WAN as well as communication services. System integration and hardware maintenance of various computer systems with different configurations and operating systems in single as well as network environment Provide end to end support for Mail infrastructure including Antivirus / Spam solutions. Monitor mailbox management to ensure optimal performance from the exchange server. Install, Administer and Maintain especially Microsoft based Systems Infrastructure such as Server 2003 Exchange 2003 , Active Directory Install new hardware and hardware upgrades; perform firmware upgrades. Conduct periodic checks on staff workstations to ensure no unauthorized software is installed on their equipment Periodically ensures that security measures are in place, end-user machines are installed with security updates, and anti-virus files are updated, best practices promoted for end- users to reduce risks. Show less

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  SAUDI ROYAL COMMISSION, SAUDI ARABIA

  Jul 2008 - Feb 2012

  NETWORK/SYSTEM SUPPORT ENGINEER

   Job Role and Responsibilities  Provide L2/L3 support for Cisco Routers and Cisco Switches. Implemented SSH secure connection on all Cisco routers and switches. Configuring TACACS+ on Cisco IOS (Routers & Switches). Implementation of Syslog Server to log over all activity on network devices. Securing the network by properly disabling CDP, and enabling BPDU Guards, Root Guards, DHCP Snooping and portfast features on the correct ports and implementing the ether channel to bring the redundancy in the access layer switches. Installation & Configuration of HP Servers by using RAID Technology. Responsible for administering Active Directory users, groups, security Policies and maintaining other objects in the 2003 Active Directory. Maintaining a Change Management and records of all severs activities. Check Array configuration/IML logs/HP Diagnostic tools Daily Data Backups on to Tape Drives. Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes. Providing timely report to management on various data from system. Show less

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  TECHANGOL, LUANDA, ANGOLA

  Mar 2012 - Jun 2014

  IT Engineer

   Job Role and Responsibilities  Implemented and configured site-to-site VPN using cisco 3600 series routers. EIGRP and Static routing configuration for remote site. Configured RSPAN for monitoring and traffic analysis. Creation of context on cisco ASA’s. Troubleshoot problems with network and security infrastructure, including routers, switches, firewalls, VPN, proxy servers to ensure adequate resolution and take corrective action when necessary. Install new / rebuild existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements. Perform daily backup operations, ensuring all required file systems and system data are successfully backed up to the appropriate media, recovery tapes or disks are created, and media is recycled and sent off site as necessary. Oversees the daily operation and maintenance of internal IT networks and their connectivity’s with external telecoms providers Perform daily checks, routine maintenance and regular network maintenance downtime work during non-working hours to ensure optimal performance during productive hours. Create and maintain comprehensive documentation for all implemented networks to enable all records and rationales of changes to be available for future references. Show less

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  NETWORKERS HOME, BANGALORE, INDIA

  Jun 2014 - Jun 2015

  Network and Security Engineer

   Job Role and Responsibilities  As network and security engineer my roles were installing, configuring and IOS upgrading of Cisco 3800, 2900, 1800 Series Integrated Services Routers. Remote support of Cisco ASA 5500 and 5500-X Series Adaptive Security Appliances Firewall complete configuration and trouble-shooting such as Failover Configuration, Nat configuration and Policies configuration Configuration and troubleshooting of Remote access VPN. Configuring and troubleshooting VLAN, Port Security, Storm-control and SPANNING-TREE on Cisco Catalyst 3560-24TS, 3750-X Series Switches. Configuring and troubleshooting IPSEC VPN, IPSEC with GRE VPN, SSL VPN, GET VPN and Checkpoint R65. Securing Network devices by disabling unwanted services, shutting down unused ports on the switches, changing the native VLAN ID, force tagging of the native VLAN to prevent VLAN hopping attach. Implemented Dynamic ARP Inspection (DAI) on Cisco 3550 switches to prevent man in the middle attacks. Configured GETVPN single and dual hub. Installation and configuration of Cisco IronPort S170  Create, maintain and update daily operations status reports. Show less

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  JST IT&S Pvt Ltd

  Jun 2015 - now

  Senior Network Support Engineer

   Job Role and Responsibilities  My current assignment is with JST IT&S Pvt. Ltd. Chennai, INDIA, as a System Lead and Senior Network Support Engineer. My day to day activities include IT infrastructure related consulting, designing, installation and support services to our existing and future clients.At present I am handling three major projects of JST1) L&T Constructions: Here I installed Blue Coat Proxy SG600 and enabled Bluecoat WebFilter (BCFW) with a license of 2300 users across India. Upgraded operating system of 154 Brocade switches (ICX6430-48, FastIron WS 648G, FLS-48G, FWS 648 POE) with zero downtime located at different branches all over India 2) RR Donnelley: Installed Checkpoint firewall using Gaia R76 on both gateway and management created NAT rules for the flow of traffic. Implemented Syslog for logging SmartTracker logs. Enabled and configured SmartReporter on management server Enabled and configured Botnet and anti-virus protection on Checkpoint.  Enabled Captive portal3) CSS Corp: Installed and configured BlueCoat IntelligenceCentre for centralized management of PacketShaper, PolicyCentre or other network devices using Net Flow protocol located across all over India. Installed and configured 802.1x Wireless using Microsoft Windows Server 2008 R2 Radius Server.  Installed and configured NGF-1035 McAfee firewall, configured polices according to user groups and client’s requirements. Installed Security Management Center and Connected to McAfee Next Generation Firewall. Show less

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  JST-Technologies

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  Senior Network Engineer