Our customer is a fast-growing SaaS telecom company that provides communication solutions to individuals businesses worldwide. He provides professionals with an easy-to-use cloud-based-communication system connected to the tools.
The team of 100 people works from all around the world, with offices in Paris and Tallinn.
The role :
We are looking for a skilled and proactive VoIP Engineer to join our customer’s team, responsible for the setup, maintenance, and continuous improvement of their VoIP infrastructure.

Main missions :

• Setup & maintenance of VoIP Infrastructure based on Kamailio / FreeSwitch / RTPEngine
• Changing VoIP Infrastructure for new features
• Analyzing & troubleshooting the SIP traffic
• Responding to crashes and system failures
• Enforcing policies around security, compliance, change control, etc

Job details :

• Full-time, permanent contract
• Location : Paris
• Hybrid : 2 days of working from home per week

Job requirements :

• Excellent knowledge of SIP stack
• Excellent knowledge of FreeSWITCH or Asterisk platforms
• Experience with working Kamailio/OpenSIPS, or similar
• Basic programming knowledge, in languages such as Bash, Lua, Python
• Basic knowledge of WebRTC

The following skills will be a plus :

• Past experience working with SBC – Audicodes, Ribbon
• Good knowledge of Linux
• Experience with system and network monitoring solutions
• Experience with Docker
• Some knowledge of SS7 protocol