 From 2007 to 2010, he worked in ASERCA (Aid and Service to Agricultural Marketing), a division of SAGARPA.2013 marked the end of Cárdenas's tenure in the PAN.He was considered by the party as its potential candidate for municipal president of Ciudad Victoria; when the PAN selected another candidate, he left the party and accepted Movimiento Ciudadano's invitation to run under its banner instead.