John Chama

John chama

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location of John ChamaKalumbila, North-Western Province, Zambia
Followers of John Chama317 followers
  • Timeline

  • About me

    Network Support Specialist @ inq. digital | Routing | Switching | VLANs |OSPF |VRF| BGP| Wireless| Optic Fibre| Microwave Radios|Cisco|

  • Education

    • The copperbelt university

      2009 - 2012
      Dip electronics and telecoms engineering computer systems networking and telecommunications merit
    • The copperbelt university-kitwe

      2009 - 2012
      Diploma electronics engineering
  • Experience

    • Xcel global limted

      Feb 2014 - Sept 2014
      Optic fiber technician

      ● To coordinate maintenance and patrol on the Airtel Zambia Optic fibre backbone networkin Lusaka.● Carrying out optical fiber cable termination and splicing with an averageattenuation of 0.001dB per splice.● Carrying out OTDR tests on each link twice a month and recording the same forfuture reference.● Conducting OTDR test results analysis and interpretation.● Carrying out civil works to repair or restore trench quality, duct system, manholemaintenance.● Technical documentation. Show less

    • Evendata

      Apr 2015 - May 2017
      Network technician

      As a Network Technician, I was responsible for the following;● Installation of LAN and WAN networks -Copper cable termination RJ45 &RJ11, Data points, and patch panel terminations.● Network cable management● Installation, configuration, troubleshooting, and maintenance of wireless radioinfrastructure such as Radwin radios, MotorolaPTP800, PTP600, CBNL, Aviat, Huawei RTN 900/950 microwave radios at both clientend and communication towers.● Troubleshooting LAN and WAN networks to identify & and resolve faults.● Responsible for conducting site surveys for both LAN and WAN implementations.● Wireless radio link optimization and software upgrades.● Installation and configuration of Network switches and routers such asCisco,Draytek,TrendNet,Dlink etc.● Installation and configuration of surveillance system (CCTV). Show less

    • Africonnect zambia ltd (rebranded to inq.digital zambia ltd)

      May 2017 - Sept 2020
      Enterprise support technician

      I was responsible for among other things;● Providing network support to enterprise/corporate clients by resolving their connectivity problems, such as optimizing their wireless radio links to ensure an excellent quality airlink.●Troubleshooting network problems both on wireless and wired platforms.●Installation, configuration, and commissioning of new enterprise network sites/links.●Installation, cabling, splicing, and testing of enterprise fiber links.●Monitoring and maintenance of Hotel WiFi systems.●Conducting site survey at client site for microwave radio and optic fiber links.●To plan wireless links and conduct simulations for Line of Sight (LoS) using link planner tools.●To provide technical advice to enterprise and corporate clients on the best network implementations based on their present and future needs.●To ensure that the wireless backbone and fiber infrastructure are running to the expected standards and this was done by constantly monitoring the signal levels and other network parameters . Show less

    • Inq. digital

      Sept 2020 - now
      Network support specialist

      I am responsible for among other things;● Ensure that Customer Last Mile links and services are implemented in line withrequired standards, expectations, and timelines.● Ensure standards and requirements are met through conducting quality assurancetests.● Configure customer networks (WAN/IP-VPNs) and provide support in networkupgrades within agreed time frames.● Provide quality, timely service and advice to customers ensuring that all works meetthe required standards of service.● Manage all escalations from the Service Reliability Centre (SRC) promptly to meet Service Level Agreements.● Provide excellent care and maintenance of all field equipment for the successfulexecution of duties.● Plan, install, commission & maintain customer managed WiFi implementation.● Ensure that the radio access/transmission network and fibre core networkinfrastructure are deployed to perform according to plan.● Ensure that radio access/transmission network and fiber infrastructure areperforming to standards.● Manage routine maintenance of wireless & and fiber core network infrastructure.● Ensure that network infrastructure standards and practices conform to the Zambialegal, regulatory as well group requirements.● Identification and upselling of product and service opportunities at customer sitesduring customer service implementations.● Wide Area Network (WAN) configuration such as Virtual Private Network (VPN).● Local Area Network (WLAN) survey, design and implementation.● Link budget analysis: Evaluate system performance by considering transmitter power, receiver sensitivity, antenna gains, cable losses, and atmospheric attenuation. Show less

  • Licenses & Certifications

    • Aws fundamentals: going cloud-native

      Coursera
      Jul 2020
      View certificate certificate
    • Radio frequency awareness

      Gravity group holdings
      Oct 2017
    • Cisco network security

      Coursera
      Dec 2023
      View certificate certificate
    • Network security associate nse 3

      Fortinet
      Dec 2021
    • Fall arrest and basic rescue

      Gravity group holdings
      Oct 2017
    • Iot (internet of things) wireless & cloud computing emerging technologies

      Coursera
      Aug 2020
      View certificate certificate
    • Project management: beyond planning and control

      Coursera
      Mar 2022
      View certificate certificate
    • Foundations of cybersecurity

      Coursera
      Dec 2023
      View certificate certificate
    • Aws fundamentals: addressing security risk

      Coursera
      Aug 2020
      View certificate certificate
    • Building ai powered chatbots without programming

      Coursera
      Aug 2020
      View certificate certificate