Part-time summer jobs involve working in temporary positions from June-August. Employers often seek high school or college students on summer vacation for these positions. These temporary jobs include seasonal opportunities like lifeguard, childcare worker, or landscaping laborer positions. You can also find internships if you want to develop skills in an office setting or a trade. Your duties as a part-time summer employee depend on the position in which you work. If you lack job experience, one of your primary job responsibilities at the beginning of the summer is to undergo training to learn the skills necessary for the job.