Khalid Mohammed Ahmed

Experience

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  Sudan National Broadcasting Corporation (SNBC) Broadcast and satellite television network

  May 1995 - Mar 2003

  Maintenance Engineer

  Installation,configuring,optimizing and maintenance for Transmitter stations and studios.

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  United Nation Mission in Sudan (UNMIS)

  Nov 2006 - Sept 2008

  Telecommunication Assistant

  Planning , Surveying ,programming , maintaining and installation for all Communications Equipment’s (Microwave , Telephone ,VSAT,VHF/HF,GPS,C ISCO switches & routers , Vehicle VHF/HF Radios), Antennas installation & alignment for (Microwave,VHF/HF,wireless ,Cordless phone outdoor housing and Repeaters ) , Towers survey & erecting , Cabling infrastructure for telephones and data , Fiber Optic infrastructure, Solar Panel cages design - fabrication & installation , UPS maintaining –monitoring , Testing , configuring and distribute all Communication equipment for other sectors, Compilation of Communication assets data base, prepare Proper safe storage for sensitive Communication equipment .Perform other duties asked by the supervisor. Show less

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  Monusco-UN

  Sept 2008 - Nov 2014

  Microwave Comms Technician

  Planning, surveying and Installation of Microwave equipment and implementation of projects, Preventive maintenance for all microwave equipment & accessories in the mission area, assists coordinating the factory calibration and repair of telecommunication test equipment, Plan & designs the initial microwave network proposal for final approved by section chief, Surveys/feasibility studies & site preparation including installation of shelters, towers/antennas & associate power supply related accessories, Alignment & optimizes Microwave/VSAT dishes in order to maximize overall performance, Computerized path profile assessment ,Frequency surveys, Fresnel zone & transmission limitation regarding the feasibility of long range Microwave installation ,interfaces multiplexing equipment ,E-1 application for telephone (PABX /Cisco CUCM) and VTC, multi-layer LAN & WAN routers ,switches and bridges. Unit asset management and inspection. Carrying out complete range of preventive and corrective maintenance and upgrade of the main satellite hub (C band satellite system with 7.3m 4.9m & 3,9m fixed & transportable satellite system of the mission, carrying out breakdown handling of the system including HPAs.RF Components LNAs.LNBs. RFTs.up/down converters & modems.Installation and relocation of all size of C band satellite system in different locations of the mission, carrying out SSOG & other carrier benchmark test & solving interference issues coordinating with INTELLSAT/O3B other ISP. Show less

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  United Nations

  Feb 2015 - Aug 2017

  Telecommunications Specialist

  Installation, Planning, Designing and optimizing Wireless Network & Microwave/VSAT Network. Procurement and factory calibration for new equipment and spare parts.

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  United Nations

  Apr 2019 - now

  Telecommunications Consultant

  With United Nation Mission in DRC Congo (MONUSCO) I am responsible for Plan/designs, config/Install Microwave (Eclipse, 4RF APRISA XE, ERICSSON MINI LINK, Cambium/RADWIN PMP, Exalt) beside VSAT/VHF/UHF/HF/CUCM Network mission wide, Telecom Towers (ROHN, self-support) power supply & accessories, Alignment & optimizes Microwave/VSAT Antennas (C/L band satellite with 7.3m 4.9m & 3,9m), upgrade Microwave/VSAT and TETRA Radio Network, handling breakdown of the system including HPAs. RF Components LNAs. LNBs. RFTs. up/down converters & modems. carry out preventive maintenance and remotely support sectors. Coordinating with Intelsat/O3B(LEO) and other ISPs (SITA/Local GSM Companies). coordinate with local authorities and UN agencies related to radio frequencies, prepare yearly purchase orders and Q1s in calibration with procurement unit and follow up delivery and distribution, coordinating factory calibration spare parts and repair of comms equipment, organize internal training for sectors technician mission wide, plan organize write off obsolete equipment Show less