Eunice began her career as an editorial assistant at Harcourt Brace in Philadelphia, then an editor at Santillana, and the Instituto de Cultura Puertorriqueña in San Juan. She later became managing editor of the Hispanic Review, an academic journal at the University of Pennsylvania and began working as managing editor of Revista Hispánica Moderna at Columbia University in 2005. An alumna of the University of Puerto Rico's Graduate Program in Translation, she is also a legal translator and served as Spanish editor for the subtitles program of The Metropolitan Opera House.
Eunice is now editorial advisor for Portales: The LAIC Undergraduate Journal and a founding editor of Sundial House: Latin American & Iberian Literature in Translation.