Level 2 Voip & Network Support Technician

**ALL RESUMES MUST BE IN ENGLISH.**
**This is NOT a desktop support role.**
If your background is mainly **desktop support, Microsoft troubleshooting, software/hardware repair, or general IT helpdesk**, please do not apply.
We are seeking an experienced **Tier 2 VoIP & Network Technician** who can handle escalations, advanced troubleshooting, and deeper network analysis in a fast-paced telecom environment. This role requires strong knowledge of **SIP protocols, PBX systems, routing, switching, and network performance diagnostics.**
What You’ll Do (Tier 2 responsibilities)
- Resolve escalated VoIP issues: SIP registration failures, unidirectional audio, NAT traversal, codec mismatches
- Diagnose advanced network problems: packet loss, throughput issues, VLAN misconfigurations, routing loops
- Analyze call flow and SIP messaging (INVITE, ACK, BYE, 200 OK, 180/183)
- Perform deep-dive troubleshooting using packet captures (Wireshark or similar)
- Configure and o...