Agree with above users; your friend sounds like an account exec / retail broker

Getting a S&T job at a bigger bank is not so easy and typically involves a ridiculous amount of interview rounds (7+), with bizarre questions; for example here is one I googled: Sales and Trading Analyst at Barclays Capital Interview Question - interviewspy

They usually don't bother advertising in the newspaper classifieds either.

Entertainment varies depending on client and own company policies and preferences. Some clients are met for drinks etc, others prefer intellectual conversations revolving around the market.