If you're set on Secretary job offers in Ecatepec de Morelos Municipality, there aren't very many at the moment: we count 3. Have you tried neighbouring regions?
Job openings in this area are currently only available to very trained Secretary applicants. Among the companies who look for Secretary employees, there are currently no startups. Lots of companies use recruitment agencies as a conduit for finding the best talent. Only see jobs you really want to see. On Jobspotting, you can filter recruitment agencies out of your feed. Have you seen which other skills are in demand in this region?