VoIP Engineer

Job Title: VoIP Engineer Location: Dubai, UAE

Job Summary

Our client is seeking a results-driven and technically adept VoIP Engineer with over 4 years of hands-on experience in designing, deploying, and optimizing enterprise-grade VoIP solutions. The successful candidate will have demonstrated expertise in configuring SIP trunks, deploying and managing Session Border Controllers (SBCs), and maintaining complex IP PBX systems.

Key Responsibilities

• Design, deploy, and optimize VoIP solutions for enterprise environments
• Configure and manage SIP trunks with major service providers
• Deploy and manage Session Border Controllers (SBCs) for secure VoIP communications
• Maintain and troubleshoot complex IP PBX systems across various platforms, including:
• Grandstream UCM
• Yeastar S-Series
• 3CX v20+
• Asterisk FreePBX
• Troubleshoot call routing issues and implement dial plans
• Ensure network QoS for VoIP traffic and integrate voice solutions with legacy systems and modern unified communication environments

Required Skills

• SIP Trunking (Registration, Authentication, NAT Traversal)
• Session Border Controller (SBC) Configuration & Security
• IP PBX Platforms (configuration and management)
• Call Routing & Dial Plan Logic
• VoIP Protocols (SIP, RTP, SRTP, T.38)
• QoS and VoIP Traffic Shaping
• Number Normalization and E.164 Formatting
• Integration with PSTN Gateways, VoIP Phones, and Softphones
• Network Diagnostics & Packet Analysis (Wireshark, sngrep)
• VoIP Monitoring & Troubleshooting (logs, CDR, SIP traces)

Professional Highlights

• Successfully implemented SIP trunking and number porting projects across multi-site enterprise environments
• Migrated legacy PBX systems to IP-based platforms, achieving improved call quality and reduced telecom costs
• Deployed secure SBC configurations to support remote IP phones and NAT traversal for global teams
• Streamlined dial plans and outbound rules for diverse geographic and business needs
• Delivered training and documentation to IT teams and end-users on VoIP system usage and best practices

Requirements

• 4+ years of experience in VoIP engineering
• Bachelor's degree (Preferred)