Internet Disconnects While Gaming

I've had similar issues off and on for years, but recently has gotten so bad that I cannot play games.

When gaming, my latency either jumps up or I am completely disconnected from the internet for 5-10 seconds(sometimes a bit longer).  When it comes back it's slow for about 20 seconds then is fine again.  This happens regularly about every 4 minutes when I play at night.  It happens similarly with multiple games.  My main PC is connected via ethernet. When I had issues previously they suggested that I upgrade.  I now get 300mbps down and 30 up.  I should not have any issues gaming.  When I upgraded my service, I purchased a new modem as well.  I recently started using a VPN which described that it can help with inconsistent internet connections.  The VPN does not seem to be helping with the issue, but I can see my latency jump up anywhere from 1,000-4,000 when the disconnection issue occurs.  

If I didn't play games, I may not even notice, as streaming doesn't seem to trigger the issue.  I have started noticing that when I am on video call for work, it also occurs, and I am kicked out of the call and have to reconnect after a few moments.  My work laptop is on the wireless, but since the issue mirrors what is happening on my personal PC which is wired, I do not think it is a wifi issue.

I have had a technician come out, and replaced something in my wall.  They said that the line looked a lot better after he did it.  However, I think that my connection is great most of the time, they would only see the in the moment that it goes out or latency jumps.  

I've googled everything, from sound to software issues causing these kinds of issues and have tried what seems like every approach to try to correct this.

I'm at a loss.  Feels hopeless that this will be resolved.