Born in Valencia, Oltra spend the vast majority of his 14-year senior career in the lower leagues, representing Valencia CF Mestalla, SD Sueca, Levante UD, Yeclano Deportivo (two spells), Elche CF, Benidorm CF and Ontinyent CF.
The exception to this was in the 1991-92 campaign, when Oltra was part of CE Sabadell FC's squad in Segunda División.