On Jobspotting, you can browse a rather small variety of (9 jobs) in Tennessee. Most Sales Promotion jobs fall into the main categories Customer Experience Management and Help Desk. Topics like Sales, Promoter, and Sales Promotion are very commonly called out in job offers of this kind.
While it can sometimes be difficult to find a junior position, that's not at the current time the case. On Jobspotting, 22% of advertised vacant positions don't require many years of proficiency. This area doesn't at the current time have any suitable internships. One startup is offering vacant positions in this area, alongside bigger, more established employers. Use the Explore search bar to learn about vacant positions in other fields or places.