Job Description
Job Description
This is a remote position.
Key Responsibilities
- Troubleshoot complex VoIP platform issues including mobile push notifications, video (SnapHD/WebRTC), call flows, faxing, provisioning, and one-way/no-audio scenarios.
- Perform advanced system troubleshooting across Linux and application stack components such as Ubuntu, Apache, Tomcat, Postfix, SMTP, Node.js, PHP, Redis, MySQL, and Memcache.
- Diagnose SIP, RTP, DNS, firewall, routing, and general network-related issues.
- Provision and support VoIP devices including Yealink, Polycom, Grandstream, Cisco, and similar endpoints.
- Configure and troubleshoot third-party REST API integrations (e.g., E911, SMS/MMS, fax services, text-to-speech, messaging platforms).
- Reproduce customer-reported issues in a controlled lab environment using logs, SIP traces, and packet captures (Wireshark, tcpdump, sngrep).
- Identify root causes by determin...