Senior VoIP Engineer

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

Job summary

Placements24 is seeking a Senior VoIP Engineer to design, implement, and optimize complex VoIP systems for a fully remote team across South Africa. You will ensure reliability and performance of voice infrastructure serving diverse clients.

You will work with PBX, SBCs and call manager platforms, troubleshoot issues, and advance network strategies for superior call quality. Remote collaboration, strong communication, and a drive to stay ahead of VoIP trends are essential.

Qualifications

• Bachelor's degree in Computer Science, Telecommunications, or related field; equivalent experience considered.
• Minimum of 5 years hands-on VoIP engineering experience.
• Strong knowledge of SIP, H.323, RTP, RTCP.
• Experience with Asterisk, Cisco Call Manager, Avaya or similar platforms.
• Familiarity with SBCs (Patton, Oracle Acme Packet) and QoS.
• Experience with call centre tech and ACD systems is a plus.

Responsibilities

• Design, deploy, and manage VoIP systems including PBX and SBCs.
• Configure call manager platforms and voicemail systems.
• Troubleshoot VoIP quality, connectivity, and service availability.
• Develop network optimisation strategies for high-quality calls.
• Manage SIP trunking and interoperability with providers.
• Document VoIP infrastructure, configurations, and procedures.
• Collaborate with network IT teams for voice/data integration.
• Monitor performance and implement outage-prevention measures.
• Stay current with VoIP technologies and best practices.
• Provide guidance to junior engineers and support staff.

Skills

VoIP engineering

SIP

H.323

RTP/RTCP

IP networking

Remote teamwork

Project management

VoIP troubleshooting

Education

Bachelor's degree in Computer Science/Telecommunications

Tools

Asterisk

Cisco Call Manager

SBCs (Patton/Oracle Acme Packet)

VoIP platforms

Job description

About the Role

Our client, a leading telecommunications solutions provider, is actively seeking an experienced Senior VoIP Engineer to join their dedicated remote workforce. This critical role will involve the design, implementation, maintenance, and optimisation of advanced Voice over IP (VoIP) systems and platforms. You will be responsible for ensuring the reliability, scalability, and performance of our client's voice communication infrastructure, serving a broad spectrum of clients. The position is fully remote, allowing you to contribute your expertise from anywhere within South Africa.

Key Responsibilities

• Design, deploy, and manage VoIP systems, including PBX, session border controllers (SBCs), and gateways.
• Configure and maintain call manager platforms and associated voicemail systems.
• Troubleshoot and resolve complex issues related to VoIP quality, connectivity, and service availability.
• Develop and implement strategies for network optimisation to ensure high-quality voice calls.
• Manage SIP trunking and interoperability with various service providers.
• Develop and maintain comprehensive documentation of VoIP infrastructure, configurations, and procedures.
• Collaborate with network engineering and IT teams to ensure seamless integration of voice and data networks.
• Monitor system performance and implement proactive measures to prevent outages.
• Stay current with emerging VoIP technologies and industry best practices.
• Provide technical support and guidance to junior engineers and support staff.

Requirements

• Bachelor's degree in Computer Science, Telecommunications, or a related field; equivalent experience will be considered.
• Minimum of 5 years of hands-on experience in VoIP engineering and telecommunications.
• In-depth knowledge of VoIP protocols such as SIP, H.323, RTP, and RTCP.
• Proven experience with major VoIP platforms (e.g., Asterisk, Cisco Call Manager, Avaya) and SBCs (e.g., Patton, Oracle Acme Packet).
• Strong understanding of IP networking, TCP/IP, DNS, DHCP, and QoS.
• Experience with call centre technologies and ACD systems is a plus.
• Excellent analytical and problem-solving skills.
• Strong communication and interpersonal skills, with the ability to work effectively in a remote team.
• Relevant certifications (e.g., CVOOR, CCNA Voice) are highly desirable.
• Demonstrated ability to manage projects and deliver results independently.

Benefits

• Competitive salary, a performance-driven bonus, and comprehensive benefits, including excellent health insurance, a retirement savings plan, and generous paid time off.
• Fostering employee growth through continuous learning, access to advanced training, and opportunities for career advancement.
• Flexibility and autonomy of remote work, contributing to a dynamic and innovative telecommunications company.
• Chance to shape the future of voice communications for a diverse client base.