VoIP / Asterisk Engineer

TL;DR

VoIP / Asterisk Engineer: Deploying and configuring Asterisk (18+) and maintaining VoIP infrastructure with an accent on SIP/PJSIP trunk management, IVR workflows, and WebRTC connectivity. Focus on troubleshooting call-flow, audio, codec issues, and ensuring security and monitoring using tools like Prometheus and Grafana.

Company

hirify.global is an outsourcing company leveraging a network of 1,400 professionals across 10+ countries to deliver data-driven solutions for clients.

What you will do

• Deploy and configure Asterisk 18+ for test and production environments.
• Set up and maintain XCally / Motion integrations.
• Manage SIP / PJSIP trunks, routing logic, and IVR workflows.
• Configure channel-based stereo recording and enable WebRTC connectivity.
• Integrate Asterisk via AMI / ARI and maintain CDR / CEL data pipelines.
• Troubleshoot call-flow, audio, and codec issues, ensuring security and monitoring.

Requirements

• 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.
• Familiarity with AMI / ARI APIs, CDR / CEL integration, and scripting in PHP / Bash.
• Strong VoIP troubleshooting background and knowledge of VoIP billing, E.164, and security practices.

Nice to have

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

Culture & Benefits

• 20 paid working vacation days annually.
• A fully-paid day off for your birthday month.
• Compensation for wellness activities.
• International work environment with a passionate, motivated, and professional team.
• Engaging corporate events throughout the year.