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Telnyx is building the future of global connectivity through a private, multi-cloud IP network and edge technology. As a VoIP Engineer, you will be a subject matter expert in telephony systems, responsible for designing features, troubleshooting complex issues, and guiding software developers on implementation.
Key responsibilities include:
- Understand and maintain the Telnyx Telephony Engine architecture and all underlying services
- Operate, maintain, and expand SIP proxies based on Kamailio or OpenSIPS
- Handle level 3 troubleshooting escalations and triage critical issues
- Analyze telephony traffic patterns to identify issues and anomalies
- React to critical alerts to restore full service state
- Troubleshoot voice and network protocol communication issues
- Interface with partner organizations for interconnections and expansions
- Design, build, test, deploy, and maintain monitoring, alerting, QA, and logging tools for telephony applications
- Coordinate system maintenance and deployment events
- Work with global users to solve communications challenges
- Collaborate with engineers, business, sales, and operations teams
Required qualifications:
- Degree in Computer Science, Information Technology, Telecommunications, or similar
- Strong understanding of IP telephony (VoIP), TCP/IP networks, and related protocols (SIP, RTP, RTCP, ISUP, TLS, STUN, TURN, WebRTC)
- Experience with open source VoIP applications (Kamailio, OpenSIPS, FreeSWITCH, RTPEngine, Asterisk)
- Proficiency with Linux, open source tools, and shell scripting
- Experience with containers and automation tools (Docker, Ansible, Jenkins, Kubernetes)
- Familiarity with Python, Elixir, or Go is a plus
You should be comfortable with complex systems, detail-oriented, and eager to learn new technologies. Telnyx is a financially stable, profitable company focused on modernizing connectivity solutions.
