Ciarán Hayden worked as an animation scriptwriter for three years before joining the RTÉ medical drama series The Clinic as assistant script editor. He then graduated to the role of script editor and story-lined series 6 and 7 of the show, before making the move to the soap opera Fair City. During his time on Fair City, Ciarán took on roles at every stage of the editorial process. He worked as a story writer, scriptwriter, script editor and also ran the story room as story editor. Ciarán became story producer on the TV3 cop drama Red Rock and combined story producing with writing scripts for the show. He has also worked as story producer for EastEnders.