Sieghart's abilities were admired by Bill Deedes. Deedes hired her to work at The Daily Telegraph during the 1980 university summer vacation, where she spent time sub-editing, working on the "Peterborough" column and on features.
During the 1980 summer vacation while she was a student, Sieghart worked for The Daily Telegraph under Bill Deedes's supervision. She contributed to the newspaper by editing articles, writing for the "Peterborough" column, and creating new content.