VoIP & UC Systems Administrator – Flexible Remote

Placements24; Centurion; Hybrid; ZAR 420,000 - 660,000; Full time

Benefits offered by this job

Flexible remote work arrangements

Medical aid

Retirement fund contributions

Certification opportunities

Job summary

Placements24 is seeking a meticulous Telecommunications Systems Administrator to manage PBX, VoIP, and UC platforms from Centurion. You will monitor performance, apply upgrades, and ensure secure, reliable communications across the organization.

The ideal candidate has hands-on experience with PBX (Avaya, Cisco CallManager), SIP/H.323, and UC solutions, plus network security best practices. This role offers flexible remote work options and opportunities for certifications.

Qualifications

• Proven experience as Telecommunications Administrator or similar role.
• In-depth knowledge of PBX systems (e.g., Avaya, Cisco CallManager), VoIP protocols (SIP, H.323), and UC platforms.
• Experience with network infrastructure related to telecommunications, including LAN/WAN and QoS.
• Strong understanding of voice and data network security best practices.
• Excellent troubleshooting and problem-solving abilities.
• Ability to manage multiple tasks and priorities in a dynamic environment.

Responsibilities

• Administer and maintain PBX systems, VoIP gateways, and unified communications platforms.
• Monitor system performance, availability, and capacity, implementing necessary adjustments to optimize operations.
• Manage user accounts, configurations, and permissions for all telecommunication services.
• Troubleshoot and resolve issues related to voice quality, call routing, and system malfunctions.
• Implement and maintain security measures to protect telecommunications systems from unauthorized access and threats.
• Plan and execute system upgrades, patches, and migrations to ensure systems remain current and secure.

Skills

PBX systems

VoIP protocols

UC platforms

SIP/H.323

QoS

Network security

Troubleshooting

Multi-tasking

Tools

Avaya

Cisco CallManager

Job description

Placements24 is seeking a meticulous Telecommunications Systems Administrator to manage PBX, VoIP, and UC platforms from Centurion. You will monitor performance, apply upgrades, and ensure secure, reliable communications across the organization.

The ideal candidate has hands-on experience with PBX (Avaya, Cisco CallManager), SIP/H.323, and UC solutions, plus network security best practices. This role offers flexible remote work options and opportunities for certifications.