We are seeking a skilled and proactive VoIP Engineer to join our team, responsible for the setup, maintenance, and continuous improvement of our 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

We expect you to have: 

• 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

Nice to have

• 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

1. HR interview

2. CTO interview

3. VoIP team members interview