Voice Engineer

Reference: JHB007295-Nondu-3

Datacentrix is looking for a Voice Engineer for a fixed short term contract.  Must have 5 years experience configuring, deploying, and troubleshooting networking, SIP/VoIP services, and telephony solutions. You will be responsible for the design, implementation, support, and maintenance of enterprise voice and unified communications solutions. The successful candidate will deliver reliable, secure, and high-quality voice services while supporting customer implementations, maintaining existing environments, and ensuring the ongoing stability, performance, and continuous improvement of the voice platform. Duties & Responsibilities Qualifications and Experience Required:

• Matric plus, relevant IT qualification
• 5 years' experience configuring, deploying, and troubleshooting networking, SIP/VoIP services, and telephony solutions.
• Hands-on experience with the planning, configuration, installation, and troubleshooting of IP PBXs, IP handsets, SIP trunks, and VoIP gateways.
• Experience with one or more of the following platforms or technologies will be advantageous: PortaOne, Yeastar, 3CX, MAN3000, PhonEX One, Microsoft Teams Calling, Cloud Contact Centre platforms, AudioCodes, Oracle Communications, Cisco Collaboration, Yealink, Snom, Fortigate, Meraki
• Good understanding of networking concepts, including: LAN, WAN, VLANs, Layer 2 and Layer 3 networking, Routing and switching, Quality of Service (QoS), TCP/IP, DNS, NAT, and firewall principles
• Strong troubleshooting and analytical skills.
• Excellent communication and customer service skills.
• Valid South African driver's licence and own reliable vehicle

Role Responsibilities:

• Design, deploy, configure, and support IP telephony and VoIP solutions.
• Implement and maintain customer voice services, including customer profiles, SIP trunks, Session Border Controllers (SBCs), and voice gateways.
• Configure, deploy, and support both cloud-hosted and on-premises PBX platforms.
• Troubleshoot VoIP faults, including voice quality, SIP signalling, call routing, media path, and network-related issues.
• Perform system upgrades, migrations, patching, and preventative maintenance.
• Monitor the voice infrastructure and proactively identify and resolve service issues.
• Liaise with carriers and service providers to resolve interconnection, routing, and service-related issues.
• Drive the ongoing development and enhancement of the VoIP platform by identifying new features, implementing best practices, and maintaining technical documentation.
• Ensure the correct configuration, staging, testing, and deployment of ISP and customer VoIP equipment in accordance with the company standards and best practices.
• Produce and maintain technical documentation, implementation guides, and standard operating procedures.
• Provide technical support to internal teams and customers and participate in an on-call support roster when required.