VoIP / Asterisk Engineer

We are on the lookout for a VoIP/Asterisk Engineer to join our Engineering Department.

Responsibilities:

• Deploy and configure Asterisk 18+ (22 preferred) for test and production environments;
• Set up and maintain XCally / Motion integrations with Asterisk core;
• Manage SIP / PJSIP trunks, routing logic, and IVR workflows;
• Configure channel-based stereo recording (agent left / customer right);
• Enable WebRTC connectivity (WSS/TLS, ICE, STUN/TURN);
• Integrate Asterisk via AMI / ARI and maintain CDR / CEL data pipelines;
• Troubleshoot call-flow, audio, and codec issues;
• Ensure security and monitoring using TLS, Fail2Ban, Prometheus, and Grafana.

• Solid experience with Asterisk 18+ (22 preferred);
• Strong understanding of SIP / PJSIP, RTP / SRTP, and NAT principles;
• Experience with XCally / Motion and FreePBX;
• Practical knowledge of Docker / Linux-based systems;
• Understanding of WebRTC signaling and browser endpoints;
• Familiarity with AMI / ARI APIs and CDR / CEL integration;
• Scripting skills in PHP / Bash;
• Strong VoIP troubleshooting background;
• Knowledge of VoIP billing, E.164 number formatting, and security practices.

Nice to Have:

• CRM / CSP integrations, WebRTC SDK (JS/TS), cloud environments (AWS, Hetzner, GCP)

We will tell you more about all the benefits on the interview :)

This position is planned to be created (promising).