Must haves are VoIP call quality troubleshooting, call flow design, working with clients on the phone and remote, team player, understands there will be after-hours support with paid OT, can do attitude, great customer service skills, and coachable. Ideally they have the following. Has worked for a VoIP provider for at least 2 years Has experience with Asterisk, FreePBX, Elastix, Trixbox, Sangoma, FreeSwitch, FusionPBX, Digium, or SwitchVox. Understands building out call flow in one or more of the above systems Understands basic troubleshooting of call flow Understands basic troubleshooting of call quality and network performance Familiar with routers such as Sonicwall, Watchguard, Fortigate, Sophos, Pfsense, or Barracuda. Has used and can read pcaps (packet captures) with Wireshark Familiar with Linux commands and Operating systems such as centOS, Redhat, Ubuntu, or Debian. Excellent customer services, works well as a team and can work remotely.