RN - Emergency Mission Hospital in Mission Viejo, CA. Positions available are full-time and will work 12-hour, Night shifts. Mission Hospital in Mission Viejo has received Magnet designation in 2012, 2017, 2021 and are in the process of earning our fourth designation in 2025! This is a prestigious designation from the American Nurses Credentialing Center (ANCC), which recognizes organizations that provide the highest-quality care.