VoIP / Asterisk Engineer

As part of our continued growth, Neo Group is recruiting on behalf of one of our local partners, leveraging our network of 1,400 talented professionals across 10+ countries. Together, we are committed to delivering innovative, data-driven solutions that empower our clients and foster professional growth within a dynamic and collaborative workplace.

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)

• Recharge your batteries with 20 paid working vacation days annually to explore, relax, and rejuvenate.
• Kick off your birthday month with a bang! Not only do you get heartfelt birthday wishes from your team, but you also enjoy a fully-paid day off. 
• Prioritize your health with compensation for wellness activities. 
• Experience an international work environment with a passionate, motivated, and professional team.
• Foster camaraderie and celebrate achievements through engaging in corporate events throughout the year.