EURES - the European Job Mobility Portal - http://ec.europa.eu/eures/home.jsp?lang=en
The following national member associations offer information on employment opportunities: Germany: http://www.vbi.de/anzeigen/stellenangebote.html
Italy: http://www.oice.it/adon.pl?act=Tmpl&tmpl=doc_hp_sezione_servizi_recruitment&sid=175
Luxembourg:
Netherlands: http://www.nlingenieurs.nl/vacatures
Spain: http://www.tecniberia.es/index.php/component/option,com_jobline/Itemid,268/
Switzerland: http://www.usic.ch/Stellenboerse
Sweden:
No job adverts but does publish an employers’ guide, containing legal information and advice on all areas relating to employing staff: http://www.std.se/web/Arbetsgivarguiden_8.aspx