A growing fibre network operator is looking for a senior Network Operations Engineer to be the primary technical escalation point in its network operations team, across its access, aggregation and core network.
You’ll independently diagnose and resolve complex incidents, find the root cause of recurring problems, guide other engineers through difficult investigations, and escalate to engineering only when a matter genuinely needs design or architecture input.
What you’ll do
Own advanced fault resolution across access, aggregation and core, from Layer 1 to Layer 3 and optical
Act as the technical lead during high-severity incidents, and drive RCA and post-incident reviews
Troubleshoot routing and switching on multi-vendor platforms (for example MikroTik, Juniper or Nokia), including BGP, OSPF/IS-IS, MPLS, ECMP, VLAN and QinQ
Troubleshoot GPON/XGS-PON faults across OLT, ONT and aggregation
Execute approved changes with MOPs, rollback plans and post-change verification
Analyse utilisation, congestion and device health, and support capacity forecasting
Mentor engineers and maintain troubleshooting guides and SOPs
Coordinate with vendors and third parties during investigations
What you’ll need
Matric
At least 5 years in an ISP, FNO, carrier or large service-provider environment
Strong hands-on routing, switching, backbone and GPON/FTTH experience
Tier 2/3 or advanced NOC troubleshooting experience
Strong practical BGP, OSPF/IS-IS, VLAN, QinQ, MPLS and ECMP knowledge
Advanced Layer 2/3 troubleshooting, packet captures and log interpretation
Experience with 10G to 100G links and optics
Availability for after-hours work during migrations and major incidents
Nice to have
A diploma or degree in Networking, IT, Telecommunications or Engineering
Vendor certifications such as CCNA/CCNP, JNCIA/JNCIS or equivalent
Python, Bash or similar scripting
What’s on offer
Senior technical ownership on a growing production network
Hybrid working
Cape Town or Johannesburg. Hybrid. Permanent.