
VoIP Engineer
2 weeks ago
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We are looking for a results-driven and technically adept VoIP Engineer with over 4 years of hands-on experience in the design, deployment, and optimization of enterprise-grade VoIP solutions. Demonstrated expertise in configuring SIP trunks with major service providers, deploying and managing Session Border Controllers (SBCs), and maintaining complex IP PBX systems across platforms such as Grandstream, Yeastar, 3CX, and Asterisk.
Highly skilled in troubleshooting call routing issues, implementing dial plans, ensuring network QoS for VoIP traffic, and integrating voice solutions with legacy systems and modern unified communication environments.
Core Competencies
- IP PBX Platforms: Grandstream UCM, Yeastar S-Series, 3CX v20+, Asterisk FreePBX
- 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.
- Seniority levelMid-Senior level
- Employment typeFull-time
- Job functionEngineering and Information Technology
- IndustriesIT Services and IT Consulting
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