Fr. Parkes was ordained for the Diocese of Orlando on May 23, 1998 and served his first assignment at Annunciation Catholic Church in Altamonte Springs, FL. In April 2005 he became the Founding Pastor of Most Precious Blood Catholic Church in Oviedo, FL. After an intense period of strategic planning and strong dedication to its mission, the parish grew to over 2000 families when moving into a Parish Life Center in April 2011. From August 2004 until May 2011, Fr. Parkes also served as Campus Minister at the University of Central Florida in Orlando.
In June 2011, Fr. Parkes was assigned as Pastor of Annunciation Catholic Church in Altamonte Springs, FL. The parish serves over 3800 registered families and includes Annunciation Catholic Academy (K-8) and Child Care Center. Fr. Parkes serves on the Board of the Catholic Foundation of Central Florida and as Dean of Central Deanery North for the Diocese of Orlando.