Here are my main addresses to find a job in Dublin:

Motors and referrers:
http://www.jobs.ie
http://www.irishjobs.ie/
http://www.jobsnation.net/
http://jobs.nicemove.ie/
http://www.monster.ie/
Jobted – Discover 20,000+ Jobs in Ireland ex http://www.employireland.com/ thanks Lisa-Marie
Recrutement agencies:
http://www.approachpeople.com/
http://www.recruitireland.com/
http://www.sigmarrecruitment.com/
http://www.cpl.ie/