I'm pretty sure there is a word for this, I remember seeing it on the Internet once and the closest I have is "buzzwording" (not a real word?)
I would call such a one a jargonista.
I think that is a project manager. Definitely at my company.
Somone who uses endless buzz words and centres their existance around a load of paperwork, meetings, conference calls and turning every task, no matter how small, into an epic display of verbal and written diarrhea. Jobs that once needed a sensible tradeperson or two, now need to be a project with a project manager. They sit between the workers and management and are very good at being on the side of whoever they are talking to and ensuring that they are never in the same room as both workers and management. Commanding huge amounts of money, they are gifted in prolonging everything.
I would prefer sophomoric because buzzwords are relatively new words that are not well-established. So being too quick to adopt them might be a sign that someone is a
In another sense, someone who is in
Marketing will use buzzwords frequently by the nature of their job.