Senior VoIP Architect — Hybrid Work & High-Impact Telephony

Placements24; Polokwane; Hybrid; ZAR 700,000 - 1,100,000; Full time

Benefits offered by this job

Competitive salary

Health benefits

Retirement benefits

Professional growth

Hybrid work environment

Job summary

Placements24 seeks a Senior VoIP Engineer to design, deploy, and support scalable VoIP solutions including PBX and SBCs. You will configure SIP/H.323/RTP, troubleshoot complex issues, and optimize performance while ensuring high availability.

The role requires strong networking, soft skills for a hybrid environment, and familiarity with cloud VoIP solutions. Based in Polokwane, Limpopo, SA, this position offers a hybrid work setup and opportunities to lead vendor relationships and document

Qualifications

• Bachelor's degree in Computer Science, Telecommunications Engineering, or a related field.
• 6+ years of experience in VoIP engineering and network administration.
• In-depth knowledge of VoIP protocols (SIP, RTP, H.323) and related technologies.
• Hands-on experience configuring and managing SBCs (e.g., Acme Packet, Oracle, Cisco).
• Proficiency with IP networking, routing, and QoS principles.
• Experience with IP telephony platforms (e.g., Cisco CallManager, Asterisk, BroadSoft).
• Strong analytical and problem-solving skills, with the ability to diagnose complex issues.
• Excellent communication and interpersonal skills, essential for a hybrid work environment.
• Familiarity with cloud-based VoIP solutions is a plus.
• Relevant certifications (e.g., CCNP Voice, Metaswitch) are advantageous.

Responsibilities

• Design, deploy, and manage scalable VoIP solutions, including PBX systems, gateways, and session border controllers (SBCs).
• Configure and maintain VoIP protocols such as SIP, H.323, and RTP.
• Troubleshoot and resolve complex VoIP network issues, ensuring high availability and quality of service.
• Monitor VoIP system performance, analyze call detail records (CDRs), and implement optimizations.
• Develop and maintain documentation for VoIP systems, configurations, and operational procedures.
• Collaborate with network and systems teams to ensure seamless integration of VoIP services.
• Stay current with emerging VoIP technologies and industry best practices.
• Provide technical guidance and support to junior engineers and support staff.
• Manage vendor relationships related to VoIP equipment and services.
• Implement security measures to protect VoIP infrastructure from threats.

Skills

VoIP engineering

SIP

RTP

H.323

SBCs

Cisco CallManager

Asterisk

BroadSoft

IP networking

QoS

Cloud VoIP

Metaswitch

CCNP Voice

Education

Bachelor's degree in Computer Science or Telecommunications Engineering

Tools

SIP

RTP

H.323

SBCs

Cisco CallManager

Asterisk

BroadSoft

Metaswitch

Job description

Placements24 seeks a Senior VoIP Engineer to design, deploy, and support scalable VoIP solutions including PBX and SBCs. You will configure SIP/H.323/RTP, troubleshoot complex issues, and optimize performance while ensuring high availability.

The role requires strong networking, soft skills for a hybrid environment, and familiarity with cloud VoIP solutions. Based in Polokwane, Limpopo, SA, this position offers a hybrid work setup and opportunities to lead vendor relationships and document