So, you're experienced? Before you advertise this in your résumé, be sure you can prove it.

Often, when job seekers try to sell themselves to potential employers, they load their résumés with vague claims that are transparent to hiring managers, according to Scott Bennett, author of "The Elements of Résumé Style" (AMACOM). By contrast, the most successful job seekers avoid these vague phrases on their résumés in favor of accomplishments.