Junior VoIP Engineer: SIP Trunk & Network Support

Datafin IT Recruitment; Cape Town; Remote; ZAR 180,000 - 300,000; Full time

Job summary

Datafin IT Recruitment is seeking a Junior VoIP Engineer in Cape Town to support and maintain a VoIP platform. You will work with Senior Engineers to resolve faults, manage SIP trunks, and keep voice services stable while developing carrier-grade expertise.

Applicants should have a Matric/Grade 12 and a IT/Telecommunications or Networking qualification or hands-on experience, with strong SIP knowledge and networking fundamentals.

Qualifications

• Matric/Grade 12 is required.
• Diploma or Certificate in IT, Telecommunications or Networking (or equivalent hands-on experience).

Responsibilities

• Support and monitor the VoIP platform.
• Configure, test and troubleshoot SIP trunks and call routing.
• Diagnose call quality, registration and connectivity issues.
• Work with network fundamentals to isolate voice faults.
• Log, track and resolve support tickets, escalating complex faults to Senior Engineers.
• Assist with customer onboarding, number provisioning and configuration changes.
• Keep documentation and ticket records accurate and up to date.

Skills

SIP trunking

VoIP

Networking fundamentals

Troubleshooting

Wireshark

Linux familiarity

Helpdesk experience

Education

Matric/Grade 12

Diploma or Certificate in IT/Telecommunications or Networking

Tools

Asterisk

FreeSWITCH

Kamailio

Wireshark

Job description

Datafin IT Recruitment is seeking a Junior VoIP Engineer in Cape Town to support and maintain a VoIP platform. You will work with Senior Engineers to resolve faults, manage SIP trunks, and keep voice services stable while developing carrier-grade expertise.

Applicants should have a Matric/Grade 12 and a IT/Telecommunications or Networking qualification or hands-on experience, with strong SIP knowledge and networking fundamentals.