Distortion Fix for Voice Recording

I'm seeking an audio engineer to improve our audio quality for tv appearances via zoom. We have a multi studio set up with lots of software communicating between three separates Pc and Macs. Our audio receiver for guest audio is xtremely distorted, even though using Senheiser equipment. We require someone to come in and troubleshoot and solve this issue on-site in London. The audio has distortion, and I need it cleaned up for podcast and live broadcast use.

Requirements:
- Expertise in audio streaming software
- Experience with Vmix
- Experience with multi studio set ups with video and audio
- High-quality output suitable for professional use

Ideal Skills:
- Proficiency in software like VMix, audio mixer software like X32, Dante Virtual Soundcards or similar.
- Strong experience underrstanding complex AV systems
- Strong attention to detail
- Prior experience with podcasts or live broadcast audio

Please provide samples of previous work and an estimate of time required.