Senior VoIP Network Architect — Remote

Placements24; Pretoria; Hybrid; ZAR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Salary with performance bonuses

Health insurance

Career development opportunities

Job summary

Placements24 in South Africa seeks a seasoned Principal VoIP Network Engineer to design, deploy, and optimize large-scale VoIP networks in the Pretoria region. You will architect scalable systems, mentor engineers, and drive best practices across security, performance, and reliability.

You will lead cross-functional collaborations with telecom platforms, evaluate new VoIP technologies, and ensure high-quality voice services for a vast customer base.

Qualifications

• Master's degree in electrical or computer engineering or equivalent.
• 10+ years hands-on VoIP network design and operations.
• Deep expertise in SIP, H.323, RTP/RTCP.
• Experience with Cisco, Asterisk, SBCs, and related platforms.
• Strong problem solving, leadership and communication skills.

Responsibilities

• Architect, design, and deploy scalable VoIP networks and services.
• Lead integration of VoIP with existing and future platforms.
• Develop best practices for VoIP security, performance, and reliability.
• Troubleshoot complex VoIP issues including call quality and signaling.
• Perform capacity planning and network performance analysis for VoIP.
• Evaluate new VoIP technologies and vendors.
• Create and maintain documentation for VoIP designs and configurations.
• Mentor junior VoIP engineers and promote technical excellence.
• Collaborate with cross-functional teams to ensure service delivery.
• Stay current with industry trends and emerging VoIP technologies.

Skills

VoIP architecture

SIP/H.323/RTP/RTCP

Leadership

Mentoring juniors

Documentation

Education

Master's degree in Electrical Engineering or Computer Engineering

Tools

Wireshark

tcpdump

Cisco

Asterisk

SBCs

Job description

Placements24 in South Africa seeks a seasoned Principal VoIP Network Engineer to design, deploy, and optimize large-scale VoIP networks in the Pretoria region. You will architect scalable systems, mentor engineers, and drive best practices across security, performance, and reliability.

You will lead cross-functional collaborations with telecom platforms, evaluate new VoIP technologies, and ensure high-quality voice services for a vast customer base.