VoIP Engineer

LeadingEdge HR Solutions


Date: 2 weeks ago
City: Dubai
Contract type: Full time
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)

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