There are a lot of vacant jobs in Ireland. All you have to do to find an Irish job, is search on the internet. There are many job posting sites where you can view job ads. Even foreigners from countries outside Ireland can get a job. But in this case it is more complex process because then you need a work permit.
Mostly European Union nationals are accepted for many job types in Ireland. If you come from a non-EU country then you can work only if you have a work permit. Only employers can get a work permit.
Most of jobs are availabe in the following fields:
Workers from outside of Ireland are wanted primary for manual (physical) work with minimum wage. But minimum salary is not so low in Ireland in comparison with other countries.