ICT Technical Support Specialist: Networking, VOIP & CCTV

CareerCare-SA; Mbombela (Nelspruit); On-site; ZAR 223,000 - 268,000; Full time

Job summary

CareerCare-SA is seeking an experienced Technical Support Specialist to support an ISP/WISP network in Nelspruit. You will troubleshoot MikroTik RouterOS devices, manage VPNs, firewall rules and CCTV systems, and assist with Yeastar PBX and IP phones.

The role requires hands-on experience with CCTV, VoIP, and firewall platforms, plus strong network monitoring skills. Standby rotation may be required, with a monthly salary of R22,000.

Qualifications

• 3+ years’ technical support experience within an ISP, WISP or telecommunications environment.
• Strong practical experience with MikroTik RouterOS v6 and v7.
• Good understanding of TCP/IP, VLANs, routing, NAT, firewall configuration and VPN technologies.
• Hands-on experience installing and configuring Yeastar PBX systems and Yealink IP phones.
• Experience with CCTV installation, maintenance and technical support.
• Experience with Sophos, FortiGate or other firewall platforms will be advantageous.
• Knowledge of Zabbix or similar network monitoring tools will be advantageous.
• MikroTik certifications such as MTCNA or MTCRE will be beneficial.
• Yeastar certifications, including YSCT, YSCSS, YSCRS or YSCIS, will be advantageous.

Responsibilities

• Provide technical support and maintenance for ISP, WISP or telecommunications network infrastructure.
• Configure, maintain and troubleshoot MikroTik RouterOS v6 and v7 devices.
• Diagnose connectivity, routing and performance issues, including TCP/IP, VLANs, NAT and VPNs (L2TP, IPsec, WireGuard).
• Install, configure and troubleshoot Yeastar PBX systems and Yealink IP phones.
• Install, maintain and troubleshoot CCTV systems and connectivity.
• Configure and support firewalls, network security and access controls, including Sophos or similar solutions.
• Monitor network performance using Zabbix or similar tools, maintain documentation and elevate complex issues.
• Provide professional customer support and participate in scheduled after-hours standby rotation.

Skills

MikroTik RouterOS

TCP/IP networking

VLANs

NAT

VPN technologies

PBX systems

IP phones

CCTV installation

Firewall configuration

Network monitoring (Zabbix)

Tools

MikroTik RouterOS v6/v7

Yeastar PBX

Yealink IP phones

CCTV systems

Sophos FortiGate firewalls

Zabbix

Job description

CareerCare-SA is seeking an experienced Technical Support Specialist to support an ISP/WISP network in Nelspruit. You will troubleshoot MikroTik RouterOS devices, manage VPNs, firewall rules and CCTV systems, and assist with Yeastar PBX and IP phones.

The role requires hands-on experience with CCTV, VoIP, and firewall platforms, plus strong network monitoring skills. Standby rotation may be required, with a monthly salary of R22,000.