Senior Core Network Engineer - Scale & Secure ISP Backbone

Ilitha Telecommunications; Rosebank; On-site; CAD 84,000 - 151,000; Full time

Job summary

Ilitha Telecommunications is looking for a Core Network Engineer to join its Technology & Infrastructure division in Rosebank, Gauteng. The role centers on end-to-end planning, configuration, optimisation, and integrity of the core IP and transport network that powers FTTH and WTTX services.

You will handle capacity planning, backhaul design, IP addressing, routing governance, and escalations from the NOC. Responsibilities include building PoPs, monitoring utilization, coordinating with vendors,

Qualifications

• Bachelor’s degree in Telecommunications Engineering, Computer Science, Electrical Engineering, or a related field or equivalent professional experience.
• Cisco CCNP (Enterprise or Service Provider) certification or equivalent (Huawei HCIP / MikroTik MTCRE / Juniper JNCIS).
• Network security certification advantageous: Security+, CEH, CCNA Security, or equivalent.
• Project management qualification (PMP, Prince2) advantageous.
• Valid South African driver’s license.

Responsibilities

• Network Capacity Planning & Architecture: plan capacity, design PoPs, document backhaul, maintain IP/VLAN/backbone configurations.
• Backhaul Link Planning & Transport Management: monitor utilization, forecast growth, coordinate with vendors.
• Core Network Configuration & Operations: manage BGP/OSPF/MPLS, GPON OLT configurations, PPPoE/IPoE/RADIUS/TACACS/SNMP.
• Network Security & Governance: design access policies, conduct audits, ensure compliance.
• High-Level Technical Support & Escalation: act as L3 escalation point, engage OEMs for critical faults.
• Vendor & Project Coordination: manage changes, track milestones, document everything.
• Reporting & Documentation: maintain topology, IP plans, CMDBs; prepare capacity/performance reports.

Skills

BGP/OSPF/MPLS

IP/MPLS

Firewall/VPN

Security certification

CCNP Certification

Network monitoring tools

Documentation tools

MikroTik RouterOS

Ubiquiti platforms

GPON OLT platforms

Education

Bachelor’s degree in Telecommunications/CS/EE or equivalent

Tools

PRTG

LibreNMS

SolarWinds

Zabbix

draw.io

Visio

Job description

Ilitha Telecommunications is looking for a Core Network Engineer to join its Technology & Infrastructure division in Rosebank, Gauteng. The role centers on end-to-end planning, configuration, optimisation, and integrity of the core IP and transport network that powers FTTH and WTTX services.

You will handle capacity planning, backhaul design, IP addressing, routing governance, and escalations from the NOC. Responsibilities include building PoPs, monitoring utilization, coordinating with vendors,