Key Responsibilities
- L2/L3 support for Ribbon Session Border Controller (SBC) environments.
- Troubleshoot and resolve SIP trunk and interconnect issues:
- SIP signaling failures, registration issues, routing/policy issues, codec/DTMF mismatches, TLS/SRTP issues
- One-way/no audio, RTP anchoring, NAT/firewall traversal, interop issues between platforms (Cisco/Zoom/Carrier)
- Perform configuration and operational tasks (as applicable): routing, transformation/normalization, security policies, certificates, upgrades/patch coordination, and change validation.
- Analyze call traces/logs and provide SIP ladder/call flow analysis for escalations.
- Support change implementation, testing, rollback planning, and documentation/runbooks.
Must-Have Skills
- Strong hands-on experience with Ribbon SBC (configuration + troubleshooting).
- Excellent skills in SIP call flow analysis, packet/log trace analysis, and voice security basics (TLS/SRTP).
- Experience supporting carrier SIP trunks and working with multiple UC platforms.
Rate:
Not specified
Location:
Remote
IR35 Status:
Outside
Remote Status:
Remote
Industry:
IT
Seniority Level:
Not Specified