VoIP Engineer - Global Telephony & Edge Solutions

Telnyx; Argentina; Remote; BRL 180,000 - 240,000; Full time

Job summary

Telnyx seeks a VoIP Engineer to design and guide telephony features across the platform, triage escalations, and coordinate interconnections with partners. You’ll work with Kamailio/OpenSIPS and other open-source tools while ensuring robust monitoring and diagnostics.

You’ll collaborate with global users and engineering teams to deliver reliable communications solutions and scalable telephony services across cloud-based infrastructure.

Qualifications

• Degree in Computer Science, IT, Telecommunications or similar is required.
• Strong understanding of IP telephony, VoIP and related protocols (SIP, RTP, RTCP, ISUP, TLS, STUN, TURN, WebRTC).
• Experience with Open Source VoIP apps and related tools (Kamailio, OpenSIPS, FreeSWITCH, RTPEngine, Asterisk, Wireshark, sngrep, Homer).

Responsibilities

• Understand how all Telephony services work and how they integrate with the platform.
• Operate, maintain, expand and support SIP proxies based on Kamailio or OpenSIPS.
• Handle level 3 troubleshooting escalations and triaging.
• Analyze telephony traffic patterns and identify issues and anomalies.
• React to critical alerts to rapidly restore full service.
• Troubleshoot and resolve voice and network protocol issues.
• Interface with partner organizations for interconnections and expansions.
• Design, build, test, deploy and maintain monitoring and logging for Telephony applications.
• Coordinate system maintenance and deployment events.

Skills

VoIP technology

IP telephony

SIP

WebRTC

RTP

RTCP

SIPS/TLS

ISUP

Kamailio

OpenSIPS

FreeSWITCH

RTPEngine

Asterisk

Wireshark

sngrep

Homer

Linux

Docker

Kubernetes

Ansible

Jenkins

Python

Go

Elixir

Education

Degree in Computer Science, Information Technology, Telecommunications or similar

Tools

Kamailio

OpenSIPS

FreeSWITCH

RTPEngine

Asterisk

Wireshark

sngrep

Homer

Docker

Kubernetes

Ansible

Jenkins

Job description

Telnyx seeks a VoIP Engineer to design and guide telephony features across the platform, triage escalations, and coordinate interconnections with partners. You’ll work with Kamailio/OpenSIPS and other open-source tools while ensuring robust monitoring and diagnostics.

You’ll collaborate with global users and engineering teams to deliver reliable communications solutions and scalable telephony services across cloud-based infrastructure.