Venn diagram time!
Unity programmers (aka programmers) in Ireland
Programmers that are outside Dublin
Programmers who are not working and wanting to work on other peoples projects (maybe you will be paying or have an amazing project)
(‘Mid to top range’ – I’m not sure what this means)
I was going to recommend contacting this course: http://www.gamedevelopers.ie/courses/viewcourse.php?article=13 but it seems to be gone (?)
So Letterkenny could be a good bet, search Linkedin for graduates of courses like this: http://www.lyit.ie/courses/computing/ly707/ and maybe contact them.