CELSIUS Communications internships

As of November 11, 2026, Intern Insider listed 2 open Communications internships at CELSIUS, in Ames, Iowa, Atlanta, Georgia, Austin, Texas, Berkeley, California, Boca Raton, Florida, Boise, Idaho, Boston, Massachusetts, Boulder, Colorado, Charlotte, North Carolina, College Park, Maryland, Columbia, South Carolina, Coral Gables, Florida, Denton, Texas, Dover, Delaware, El Paso, Texas, Flagstaff, Arizona, Fort Collins, Colorado, Long Beach, California, Madison, Wisconsin, Manhattan, Kansas, Miami, Florida, New York, New York, Norman, Oklahoma, Philadelphia, Pennsylvania, Phoenix, Arizona, Pittsburgh, Pennsylvania, Salt Lake City, Utah, San Diego, California, Seattle, Washington, Tucson, Arizona, University, Mississippi, Washington, District of Columbia and West Lafayette, Indiana: Student Marketing Ambassador and Internal Communications Intern. 2 of these 2 listings state that the role is paid. This page does not invent a salary when the listing is silent. Browse the roles by employer below. You can read the full posting free, then apply in minutes with a free account.