A Tier 2/3 VoIP System Administrator is responsible for maintaining, troubleshooting, and optimizing VoIP systems, providing advanced support for voice-related network issues. This role includes managing configurations, resolving escalated technical problems, and ensuring high availability and performance of VoIP services.

Roles and Responsibilities:

• Offer a high level of support to manage complicated technical issues.

• Resolve complex problems related to VoIP along with call routing, and media handling.

• Be proficient in VoIP platforms, along with Netsapiens, Kamailio, FreePBX and Asterisk.

•  Seek and address firewall-related problems that can ruin call quality and connectivity.

• Maintain documents of troubleshooting processes, and practices for client’s reference.

• Offer prompt resolutions to clients to maintain customer’s satisfaction.