Although Spain has one of the highest unemployment rates in Europe, it is also one of the fastest growing economies, and due to lower average wages very attractive for foreign companies, that are always in need of English speaking sales personnel.
The high unemployment rate mainly effects positions for unskilled workers, whereas highly skilled positions are often even difficult to fill. As an English speaking sales person, you have many possibilities in Spain.
The real estate market along the coast has started to recover, so there are also opportunities to find a job in real estate selling to other expats or regular holiday makers. Spanish property continues to be sought after by foreigners either as a permanent holiday home, residence or investment.