MONITOR, maintain and grow both a local and national core network as well as access/client networks as your technical expertise as a Senior Network Engineer sought by an Internet Service & Network Specialist to join its team. Your role will also entail the design, spec and implementation of sound network solutions, providing 3rd Line support & handling escalated calls and ensuring proactive maintenance of access & core networks. The successful candidate must have a suitable tertiary qualification, 3+ year’s ISP industry experience at a senior level & strong TCP/IP and network stack proficiency. You must have 5+ years’ working knowledge of the following: Linux, IPv4 & IPv6, MTU, BGP, OSFP, VLANs, MPLS, Meraki, Viptella, Cisco, Juniper, Mikrotik & FortiGate.


  • Design, spec and implement sound network solutions.
  • Monitoring, maintenance and configuration of core network infrastructure.
  • Identify and plan for upgrades/capacity/hardware.
  • 3rd Line support, handling escalated calls.
  • Proactive maintenance of access and core networks.
  • Product R&D.
  • Liaise with various 3rd parties to ensure call resolution.
  • Adherence to call lifecycle processes and procedures.
  • Liaise with the Project Management team.
  • Will be part of an after-hours standby rotation cycle.


  • A relevant tertiary qualification.
  • Have at least 3+ years’ experience in the ISP industry at a senior level.
  • Have a thorough understanding of TCP/IP and the network stack.
  • Be able to communicate and understand client requirements.

Must have advanced, working knowledge and experience 5+ years of below –

  • Linux
  • IPv4 & IPv6 understanding
  • MTU understanding
  • Routing protocols: BGP, OSFP
  • In depth knowledge of Technologies: Q-in-Q, dot1Q tunnelling, VLANs, MPLS
  • SDWAN: Meraki, Viptella
  • Cisco
  • Juniper
  • Mikrotik
  • FortiGate
  • Understanding packet capture outputs
  • Certifications in the above OME devices


  • Be analytical, structured and precise in their work with emphasis on attention to detail.
  • Ability to work under pressure and multitask while prioritising workload and issues.

While we would really like to respond to every application, should you not be contacted for this position within 10 working days please consider your application unsuccessful.


When applying for jobs, ensure that you have the minimum job requirements. OnlySA Citizens will be considered for this role. If you are not in the mentioned location of any of the jobs, please note your relocation plans in all applications for jobs and correspondence. Please e-mail a word copy of your CV to [Email Address Removed] and mention the reference numbers of the jobs. We have a list of jobs on [URL Removed] Datafin IT Recruitment – Cape Town Jobs.

Desired Skills:

  • Senior
  • Network
  • Engineer

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