Telecom Systems Admin: PBX/VoIP Expert | Growth & Benefits

Placements24; Kempton Park; On-site; ZAR 420,000 - 660,000; Full time

Benefits offered by this job

Private medical aid

Provident fund

Training and career advancement

Job summary

Placements24 is seeking a Telecommunications Systems Administrator in Gauteng to manage PBX, VoIP, and mobile communications. The role focuses on keeping all telecom channels reliable, secure, and scalable, with hands-on troubleshooting and proactive upgrades.

You will collaborate with IT and other departments to ensure uninterrupted voice and data services, provide end-user support, and maintain system documentation while adhering to regulatory standards.

Qualifications

• Bachelor's or diploma in IT/Telecommunications or related field.
• Minimum 5 years' experience in telecommunications systems administration.
• Proven PBX (Asterisk/Avaya) and VoIP experience.
• Strong networking knowledge (TCP/IP, DNS, DHCP).

Responsibilities

• Administer and maintain PBX and VoIP systems.
• Monitor network performance and troubleshoot issues.
• Manage user accounts, extensions, and calling features.
• Implement system upgrades and configuration changes.
• Provide end-user support for telecom issues.
• Develop and maintain system documentation and guides.
• Ensure security and integrity of telecom systems.
• Collaborate with vendors for maintenance.
• Manage mobile device deployments and services.
• Plan for scalability and capacity needs.

Skills

PBX administration

VoIP technologies

Networking fundamentals

MDM solutions

Troubleshooting

Customer service

Education

National Diploma or Bachelor's degree in IT/Telecommunications

Tools

Asterisk

Avaya

VoIP platforms

Job description

Placements24 is seeking a Telecommunications Systems Administrator in Gauteng to manage PBX, VoIP, and mobile communications. The role focuses on keeping all telecom channels reliable, secure, and scalable, with hands-on troubleshooting and proactive upgrades.

You will collaborate with IT and other departments to ensure uninterrupted voice and data services, provide end-user support, and maintain system documentation while adhering to regulatory standards.