I think in the past Aer Lingus have recruited from all levels of experience, however they are now a much more cost-conscious company. I would say they will look at A320 rated people first,and if they cant get enough they will look at experienced pilots on other jets then after that low houred guys. That said Aer Lingus are not unlike BA in that they believe your face must fit more importantly than your qualifications. So I would say everyone has a shot.