Ubiquity Network Expert

I have a wired/wireless home network with Ubiquity UDM Pro, Ubiquity Switches and Ubiquity Access points. The network has some sporadic issues where we get wifi drop outs (ie. streaming is intermittent). And the UDM Pro is connected to a WAN network bridge (static IP), but every so often it is assigned a local DHCP IP and it then stops working. I also have Sky Q, Sonos and Google Home speakers on the network. I need a Ubiquity expert to look at the network and find and resolve the issues.