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VoIP Systems Engineer

Remote / Online - Candidates ideally in
Mbombela, Mpumalanga, South Africa
Listing for: Placements24
Remote/Work from Home position
Listed on 2026-11-04
Job specializations:
  • Engineering
Job Description & How to Apply Below
Location: Mbombela

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.

Key Responsibilities
  • 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.
Requirements
  • 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.
Benefits
  • 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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