Personally I prefer the AND approach. For example, if I'm interested in working for a company in CA but in a remote position. I could see the argument for OR,

Personally I prefer the AND approach. For example, if I'm interested in working for a company in CA but in a remote position. I could see the argument for OR, but it would be confusing to me that flipping on the remote switch included non-remote positions when a city is included in the query.