 He was first assigned to Balayan before he was appointed to be the parish priest of the town of Taytay in 1591.During his tenure as parish priest, he transferred the location of Taytay parish from its original site near Laguna de Bay to a hilltop area where it has remained to this day.He also began to immerse himself in the study of the Tagalog language and was able to preach his homily in Tagalog for the first time on August 15, 1591 on the occasion of the establishment of a Jesuit mission in Antipolo.