In the Security vertical, there is currently a single employer actively hiring in Valencia. Maybe you're interested in either Consultancy or SAP SD jobs, which constitute two of the most common subcategories in this field.
Those seeking internship vacancies should maybe try related fields of expertise as companies are currently only recruiting expert applicants. Of all companies recruiting Security knowledge, none of these are startups. Many other skills are in demand in this region. You should check them out on the right side of the page.