You could be:

Production Assistant
Design-Assistant
Creative Director
Account Executives
Advertising Assistant
Digital Print Production

Internship Opportunities

Employment Opportunities                                                                    

• Publishing for large trade companies                                                   
• Local and international magazine companies (Skirt, Tops in Lex, special interest magazines, etc.)
• Magazines and newsletters for associations
• University presses
• Professional publishers (Penguin, Pearson, Scholastic, etc.)
• Scholarly Publishing (academic journals, textbook production,
• etc.)
• Independent publishers (think local or independent publishers)
• Alternative media publishing (e-books, audio books)

How do I get here?
Pathways

• Take part in the campus newspaper, literary journals, or other various writing groups around campus
• Volunteer to write or edit newsletters and publications for local organizations
• Develop and hone your editing, grammatical, language, and publishing skills; also study into word processing and digital desktop publishing programs
• Minor in journalism or a related field; take some additional courses in communications or computer science
• Research the publishing industry to see where your job prospects lie; many major publishing houses are in large cities across the US
• Find an internship at a publishing firm or the university press to build your resume

Sources

http://whatcanidowiththismajor.com/major/english/
https://www.kent.ac.uk/careers/workin/publishing.htm
http://targetjobs.co.uk/career-sectors/media-journalism-and-publishing/289043-know-your-editors-a-graduates-guide-to-jobs-in-the-publishing-world