VoIP Engineer - Remote
Core
Design new features, guide developers, and resolve escalated issues for the Telnyx Telephony Engine and global IP network.
Role type
Senior IC VoIP Engineer (Telephony Systems)
Builds
SIP proxies, telephony traffic analysis tools, and monitoring/alerting infrastructure for global connectivity.
Domain
Telecommunications / IP Networking
Deliverable
production ML models | product features | infrastructure
Required skills
VoIP protocols (SIP, RTP, RTCP, ISUP, TLS, STUN, TURN, WebRTC), Linux, shell scripting, container orchestration (Docker, Kubernetes), automation (Ansible, Jenkins), open-source VoIP stack (Kamailio, OpenSIPS, FreeSWITCH, Asterisk), traffic analysis (Wireshark, sngrep, Homer)
Preferred skills
Python, Elixir, Go
Responsibilities
Operate and maintain SIP proxies based on Kamailio or OpenSIPS; handle level 3 troubleshooting escalations and triaging; analyze telephony traffic patterns to identify anomalies; react to critical alerts to restore service; troubleshoot voice and network protocol communication issues; interface with partner organizations for interconnections; design, build, test, deploy, and maintain monitoring, alerting, QA, and logging tools; coordinate system maintenance and deployment events.
Seniority
Senior, hands-on IC