(Your resume might say "... promoted to sales associate within six months of being hired to work as a sales assistant.") When a job title is used on a reference list or cover letter, it should be capitalized if it comes before the name of the person who held (or holds) the job.

Do job titles get capitalized?

Titles should be capitalized, but references to the job are not. For instance, if you are using a job title as a direct address, it should be capitalized. ... Title references that immediately precede the person's name should also be capitalized.

Should Associate be capitalized?

The Associated Press Stylebook (AP) recommends no capitals when referring to degrees in general terms (bachelor's, master's, doctorate, associate degree) but always capitalizing specific degrees (Bachelor of Arts, Master of Science).