Senior VoIP Network Engineer - On‑Site Randburg

Placements24; United States; On-site; USD 36,000 - 54,000; Full time

Benefits offered by this job

Competitive salary package

Medical aid & provident fund

Professional development & VoIP培训

Laptop & mobile provided

Team lunches & social events

Job summary

Placements24's client, a rapidly expanding telecommunications provider, seeks a skilled VoIP Network Engineer for on-site work in Randburg, Gauteng. You will design, implement, and support VoIP infrastructure, ensuring high availability, security, and performance for business customers.

The role requires 5+ years hands-on VoIP experience, strong SIP/RTP/H.323 knowledge, and familiarity with Asterisk, Cisco UC, Avaya, and SBCs. CCNA Voice or similar certifications are desirable.

Qualifications

• 5+ years hands-on VoIP network engineering experience.
• Strong knowledge of SIP, RTP, H.323 and telephony concepts.
• Experience with enterprise IP PBX systems and SBCs.

Responsibilities

• Design, implement, and maintain VoIP infrastructure including IP PBX, SBCs, and gateways.
• Configure VoIP protocols and monitor performance (latency, jitter, packet loss).
• Troubleshoot voice issues for users and network components.
• Manage extensions, routing, voicemail, and security for VoIP networks.
• Document configurations and provide staff training and guidance.

Skills

VoIP troubleshooting

Communication

Team collaboration

Independent work

Education

Bachelor's degree in CS/IT/EE

Tools

Asterisk

Cisco UC

Avaya

SBCs

Job description

Placements24's client, a rapidly expanding telecommunications provider, seeks a skilled VoIP Network Engineer for on-site work in Randburg, Gauteng. You will design, implement, and support VoIP infrastructure, ensuring high availability, security, and performance for business customers.

The role requires 5+ years hands-on VoIP experience, strong SIP/RTP/H.323 knowledge, and familiarity with Asterisk, Cisco UC, Avaya, and SBCs. CCNA Voice or similar certifications are desirable.