The word “multidisciplinary” is often used to describe this rather broad field. What that denotes is that it involves the skillful combination of multiple specializations in order to approach a problem. Thus, people who work in these roles use various tools to approach problems.
To borrow from the news office example above, let’s imagine that a team gets hired to help overhaul the newspaper’s web presence. The website needs to be designed so that it’s easily accessible to the editorial team and the marketing department.