Senior Network Engineer, Port Elizabeth

Are you a skilled network and VoIP professional looking to step into a high-impact, technically challenging role? We’re looking for a Senior VoIP&Network Operations Engineer to join our team and play a key role in maintaining and evolving a mission-critical ICT environment. This role is central to ensuring the stability, performance, and continuous improvement of our network, and VoIP infrastructure.

You’ll operate as a Senior technical expert, handling escalations, driving advanced troubleshooting, and contributing to automation and infrastructure optimisation initiatives. You’ll also collaborate across teams, support large-scale environments, and provide guidance to junior technicians.

Key Responsibilities Network Operations

Manage senior network support, including escalations and complex troubleshooting

Ensure network reliability across diverse environments

VoIP&Telephony

Monitor VoIP systems (physical&virtual) using dashboards and alerts

Conduct call quality investigations and performance optimisation

Support provisioning, automation, and system maintenance

Contribute to R&D initiatives (e.g., codec optimisation, system enhancements)

Manage VPN technologies (e.g., WireGuard)

Problem Management&Escalations

Lead investigations into recurring issues and trends

Support escalation overflow and high-priority incidents

Step in to oversee Tier 1 operations when required

Projects&Leadership

Act as a key technical resource on large-scale projects

Mentor and guide junior engineers

Contribute to automation and infrastructure innovation initiatives

Security&Networking

Configure and manage next-gen firewalls and network security solutions

Support large on-premises client environments (enterprise scale)

Ticket Management

Own and drive ticket resolution with a strong focus on SLAs and quality

Requirements

Strong experience in VoIP systems and troubleshooting

Solid understanding of networking principles and infrastructure

Experience with firewalls, VPNs, and network security

Ability to handle escalations and complex technical investigations

A proactive mindset with an interest in automation and optimisation

Strong communication skills and ability to support/mentor junior team members

Experience with Linux servers and Docker environments is a nice-to-have

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