Cobus Viljoen

Experience

• 

  Vox Telecom

  Jan 2005 - Sept 2012

  Network Engineer

  I have completed and passed two Juniper courses (Basic & Advanced routing & Switching). I have completed my Juniper Networks Certified Internet Associate exam, scoring 98%• Secondary support to Main Helpdesk• Secondary support for Field Technicians• All core configuration & setups of Router, switches & firewalls including: Juniper NetScreen (5GT, SSG20, SSG140, ISG-1000)-Juniper NetScreen VPN’s (Tunnel & Policy Based), Juniper Netscreen Security. Juniper Routers (M320 & MX960)-BGP, ISIS, OSPF, and MPLS. Juniper Switches (EX4200)- Stacked switches. Extreme Networks and Stacked Switches. Alcatel - SAS-E; SAS-X; ESS, and VPLS• Maintaining the core network infrastructure including the switching & server infrastructure• Managing & maintaining the Iron Port Security Appliances (Clustered & Unclustered)• Managing Core Network security & firewalls (Juniper & Fortigate) Show less

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  Imperial Online

  Oct 2012 - Jun 2013

  Network Architect

  • Responsible for Network design and Maintenance• Network Capacity planning • As well as but not limited to the above duties as described with Voxtelecom.

• 

  Core2Africa

  Jul 2013 - Jul 2016

  Network Engineer

  I'm currently a Network Engineer for a Professional Services company. We are responsible for auditing and optimizing large enterprise networks. We play an active role in the mobile operator space and have experience working in the packet core, security, switching and routing network of these operators.• Responsible for Network Design, optimization & maintenance• Capacity Planning • Professional Services• Networks Responsible: MTN Groups, Cell C, Telemedia, Voxtelecoms, Mweb, and VO Connect. Show less

• 

  ECN (Electronic Communications Network)

  Aug 2016 - Feb 2018

  Head Of Networks

  Responsible for the running the day to day operations of the network as well as the team of network engineers. Designing & implementing the network strategy as required by business and to ensure a 99,99% network uptime. I recently upgraded the ECN network from a cisco only flat structured network to a new Juniper network with more dynamic routing with more resiliency built into the network to optimize efficiencies and network uptime• Ensuring daily operational duties are fulfilled• Ensuring uptime and stability of the entire ECN network• Planning/architecting new ways to introduce new products / services • Managing a team of 8 members• Maintenance and or improvements of the network Show less

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  Reflex Solutions

  Mar 2018 - now

  Responsible for all last mile, backbone and isp related divisions

  • Chief Technology Officer: Carrier Access Networks

    May 2022 - now

  • Head of Carrier

    Mar 2018 - May 2022
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  AEX | Automation Exchange

  Jul 2023 - now

  Network Architecture