Network Voice Engineer
Jersey City, New Jersey, United States of America
Contract
1 week ago
Key skills
Firewall
About this role
We are looking for Network Voice Engineer for our client in Jersey City, NJ.
Job Title: Network Voice Engineer
Job Location: Jersey City, NJ
Job Type: Contract
Job Overview:
Pay Range: $51hr - $56hr
Requirement/Must Have:
- 4+ years overall experience in Unified Communications (UC).
- Strong hands-on experience with Ribbon Session Border Controller (SBC) configuration and 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.
Responsibilities:
- Provide L2/L3 support for Ribbon Session Border Controller (SBC) environments.
- Troubleshoot and resolve SIP trunk and interconnect issues.
- Address SIP signaling failures, registration issues, routing/policy issues, codec/DTMF mismatches, and TLS/SRTP issues.
- Resolve one-way/no audio, RTP anchoring, NAT/firewall traversal, and interop issues between platforms (Cisco/Zoom/Carrier).
- Perform configuration and operational tasks including 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.