[header] How to get a supermarket management job [title] Get an entry-level position with a supermarket. [step] Many managers start by doing part-time or full-time work as a stocker, cashier or customer service representative. You can start as early as high school or well into adulthood. 
[title] Earn your high school diploma or achieve a general education development (ged) equivalency. [step] Although this is not necessary to work in a supermarket, if you want to get on a management track and seek further schooling, you will need this certificate.