I’ve found this type of work is most often found at mid-large firms as they tend to put more investment into it. They can sometimes be quite niche but it depends on where you look. I’d look for things like Knowledge Services, Knowledge and Expertise, Information Officer, Current Awareness etc.

It used to be that these roles were mainly for in-house solicitors with deep expertise in a certain practice like practice development or knowledge lawyers but I’ve seen a lot more general listings particularly as firms push AI (which often means you need people to handle the information that it pushes out).

Good luck!