I'm looking for some science fiction series recommendations

So I've been reading lists/blog posts/other people liked this on amazon & goodreads etc trying to find some series to read that are similar to some of my more recently read (past 5 years or so) favorites. Here's what I've really liked:

Stuff I did not like:

Kris Longknife and The Doctor

I'm 10 books into the Kris Longknife series few hundred years in the future space opera, no other reference to Doctor Who then... "Kris fell silent, just what was a frigate? Kris had never heard of that class of ships. How big was it?... Kris decided to wait and see if this new Wasp was bigger than a breadbox and smaller than the mythical telephone booth" bwahahahahaah