Kidney has also added kicking coach Mark Tainton to his staff as he attempts to help Ireland bounce back from disappointing World Cup and Six Nations campaigns.
"Alan brings with him experience of both international and most importantly Irish rugby," said ex-Munster coach Kidney.
"Mark is recognised as one of the top kicking coaches in the world and his experience of working with the squad in the past will help with the transition over the next number of weeks.
"We are delighted to have them both on board as both are extremely technical coaches in their areas. They will bring a further positive mix to the coaching team."