VoIP Systems Engineer
Mbombela, Mpumalanga, South Africa
Listed on 2026-11-04
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Engineering
About the Role
Our client, a dynamic telecommunications solutions provider, is actively seeking a skilled and experienced VoIP Systems Engineer for a contract position. This role will focus on the design, implementation, configuration, and ongoing support of Voice over IP (VoIP) systems and related infrastructure. You will play a key role in ensuring the reliability, scalability, and performance of our client's VoIP services for their diverse customer base.
This is a remote opportunity, offering the flexibility to work from anywhere. We are looking for a motivated individual with a strong technical background in VoIP technologies and a proven ability to troubleshoot complex voice communication systems. Your expertise will be crucial in delivering seamless and high-quality voice solutions.
- Design, deploy, and manage VoIP telephony systems, including PBX, soft switches, and gateways.
- Configure and maintain VoIP protocols such as SIP, H.323, and RTP.
- Monitor VoIP system performance, troubleshoot issues, and ensure high availability and quality of service.
- Implement and manage call routing, voicemail, conferencing, and other voice features.
- Develop and maintain documentation for VoIP system configurations, network diagrams, and troubleshooting guides.
- Collaborate with network and system administrators to ensure seamless integration of VoIP services.
- Perform regular system updates, patches, and security configurations.
- Assist in the planning and execution of VoIP system upgrades and migrations.
- Provide technical support for VoIP-related incidents and user inquiries.
- Stay current with emerging VoIP technologies and best practices.
- Bachelor's degree in Computer Science, Telecommunications Engineering, or a related field.
- 3+ years of hands‑on experience with VoIP system design, implementation, and administration.
- In‑depth knowledge of VoIP protocols (SIP, RTP, SCCP) and telephony standards.
- Experience with leading VoIP platforms (e.g., Asterisk, Cisco Call Manager, Free SWITCH).
- Strong understanding of IP networking, including TCP/IP, DNS, DHCP, VLANs.
- Experience with network troubleshooting tools (e.g., Wireshark).
- Familiarity with codecs and voice quality metrics (MOS, Jitter, Latency).
- Excellent problem‑solving skills and the ability to work independently.
- Strong written and verbal communication skills.
- Certifications such as CVOICE or CCNP Voice are a plus.
- Competitive contract rate commensurate with experience.
- Flexible, remote work arrangement.
- Opportunity to work with cutting‑edge VoIP technologies.
- Exposure to a variety of challenging projects.
- Potential for extension or future contract opportunities based on performance.
- Access to online learning resources for skill enhancement.
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