Senior VoIP & Network Engineer (SIP/PBX Integration)(J26-58)

Location : Riyadh, Saudi Arabia
Industry: Artificial Intelligence / Digital Solutions

Availability: Immediate

Role Overview :

We are looking for a Senior VoIP & Network Engineer to design, deploy and operate the telephony backbone of an AI-driven voice platform.
The role focuses on enabling seamless interaction between customer telephony infrastructures and conversational AI systems, ensuring reliability, call quality and scalability across diverse environments.

This position requires a rare combination of deep VoIP expertise and strong network engineering fundamentals, with hands-on involvement in complex, real-world deployments.

Main Responsibilities

Voice Platform Connectivity

• Establish and manage SIP connectivity between AI voice services and customer telephony environments.
• Design call flows supporting inbound, outbound and transferred calls across multiple systems.
• Ensure uninterrupted interaction between AI agents and external callers.

PBX System Integration

• Connect AI voice services to a wide range of PBX solutions, including both modern software-based platforms and legacy hardware systems.
• Adapt integrations to heterogeneous customer environments, often lacking standardization or up-to-date documentation.

Network Enablement for Voice Traffic

• Configure and troubleshoot network components to allow secure and stable SIP and RTP communication.
• Address NAT traversal, firewall policies, port management and VPN connectivity.
• Apply traffic prioritization mechanisms to preserve voice quality under load.

Advanced Troubleshooting

• Perform low-level analysis of signaling and media traffic to identify complex voice issues.
• Isolate and resolve audio degradation, call drops, registration failures and interoperability problems.
• Determine whether issues originate from network infrastructure, PBX configuration or service provider layers.

Voice Quality & Performance Optimization

• Adjust codecs, buffers and media parameters to improve audio clarity and stability.
• Monitor call performance indicators and continuously improve end-user experience.
• Recommend technical changes to customer systems to meet platform performance standards.

Knowledge Structuring & Reusability

• Build reusable technical configurations and onboarding models for common PBX and SIP scenarios.
• Formalize integration patterns to accelerate future deployments.
• Produce clear internal documentation and troubleshooting references.