VoIP Engineer - Remote

Telnyx; Argentina; On-site; ARS 1,800,000 - 2,400,000; Full time

Job summary

Telnyx is seeking a skilled VoIP Engineer in Argentina to design, optimize and operate our telephony platform. You’ll work with global users and engineers to deliver reliable voice services and scalable SIP infrastructure.

You’ll help triage issues, guide developers, and implement monitoring, testing and automation for telephony applications, leveraging Kamailio/OpenSIPS, FreeSWITCH and related technologies.

Qualifications

• Degree in Computer Science, IT, Telecommunications or related field.
• Strong understanding of IP telephony, TCP/IP networks and related protocols (SIP, RTP, RTCP, ISUP, TLS, STUN, TURN, WebRTC).
• Experience with Open Source VoIP applications such as Kamailio, OpenSIPS, FreeSWITCH, RTPEngine, Asterisk and open source tools such as Wireshark, sngrep and Homer.
• Experience with Linux, Open Source tools and shell scripting.
• Experience with containers and automation-orchestration tools such as Docker, Ansible, Jenkins, Kubernetes.
• Familiarity with programming in Python, Elixir or Go are a plus.

Responsibilities

• Understand how all Telephony services work and how they are integrated to the platform.
• Operate, maintain, expand and support SIP proxies based on Kamailio or OpenSIPS applications.
• Handle level 3 troubleshooting escalations and triaging.
• Analyze telephony traffic patterns and identify issues and anomalies.
• React to critical alerts in order to rapidly return to a full-service state.
• Troubleshoot and resolve 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.

Skills

VoIP technology

IP networking

SIP/RTP protocols

Kamailio/OpenSIPS

FreeSWITCH/Asterisk

Wireshark

Linux

Docker/Kubernetes

Python/Elixir/Go

Troubleshooting

Education

Bachelor's degree in Computer Science or related field

Tools

Kamailio

OpenSIPS

FreeSWITCH

RTPEngine

Asterisk

Wireshark

sngrep

Homer

Docker

Ansible

Jenkins

Kubernetes

Job description

About Telnyx

technology right to your fingertips through intuitive APIs, we're shaping a new era of seamless interconnection between people, devices, and applications.

We're driven by a desire to transform and modernize what's antiquated, automate the manual, and solve real-world problems through innovative connectivity solutions. As a testament to our success, we're proud to stand as a financially stable and profitable company. Our robust profitability allows us not only to invest in pioneering technologies but also to foster an environment of continuous learning and growth for our team.

Our collective vision is a world where borderless connectivity fuels limitless innovation. By joining us, you can be part of laying the foundations for this interconnected future. We're currently seeking passionate individuals who are excited about the opportunity to contribute to an industry-shaping company while growing their own skills and careers.

About You

As a VoIP Engineer you understand how the Telnyx Telephony Engine works as whole, while also being able to identify each underlying service and its purpose. You use this knowledge plus your experience working with VoIP technologies to design new features and guide software developers on their implementation. You assist other teams by triaging escalated issues and then working with all the involved parties until they are resolved. You are the subject matter expert for all topics that are telephony related, and when you don't know the answer you will know who to ask.

About Telnyx

Telnyx is an industry leader that's not just imagining the future of global connectivity—we're building it. From architecting and amplifying the reach of a private, global, multi-cloud IP network, to bringing hyperlocal edge technology right to your fingertips through intuitive APIs, we're shaping a new era of seamless interconnection between people, devices, and applications.

We're driven by a desire to transform and modernize what's antiquated, automate the manual, and solve real-world problems through innovative connectivity solutions. As a testament to our success, we're proud to stand as a financially stable and profitable company. Our robust profitability allows us not only to invest in pioneering technologies but also to foster an environment of continuous learning and growth for our team.

Our collective vision is a world where borderless connectivity fuels limitless innovation. By joining us, you can be part of laying the foundations for this interconnected future. We're currently seeking passionate individuals who are excited about the opportunity to contribute to an industry-shaping company while growing their own skills and careers.

As a VoIP Engineer you understand how the Telnyx Telephony Engine works as whole, while also being able to identify each underlying service and its purpose. You use this knowledge plus your experience working with VoIP technologies to design new features and guide software developers on their implementation. You assist other teams by triaging escalated issues and then working with all the involved parties until they are resolved. You are the subject matter expert for all topics that are telephony related, and when you don't know the answer you will know who to ask.

The Opportunity

You work with users around the globe, where you help by solving their communications challenges. You’ll also get to work with other engineers to build delightful features that span various parts of the system, as well as our business, sales, and operations teams to understand and solve our users’ pain points.

We’re looking for people with a strong background in VoIP technologies and interest in building successful products or systems; you’re comfortable in dealing with lots of moving pieces; you have exquisite attention to detail; and you’re comfortable learning new technologies and systems.

• Understand how all Telephony services work and how they are integrated to the platform.


• Operate, maintain, expand and support SIP proxies based on Kamailio or OpenSIPS applications.


• Handle level 3 troubleshooting escalations and triaging.


• Analyze telephony traffic patterns and identify issues and anomalies.


• React to critical alerts in order to rapidly return to a full-service state.


• Troubleshoot and resolve 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.

Who We're Looking For

• A 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 such as Kamailio, OpenSIPS, FreeSWITCH, RTPEngine, Asterisk and open source tools such as Wireshark, sngrep and Homer.


• Experience with Linux, Open Source tools and shell scripting.


• Experience with containers and automation-orchestration tools such as Docker, Ansible, Jenkins, Kubernetes.


• Familiarity with programming in Python, Elixir or Go are a plus.