Mick McCarthy will be unveiled as the Republic of Ireland's new manager at a press conference in Dublin on Sunday, Press Association Sport understands.
The 59-year-old was at the head of the queue to replace Martin O'Neill, who, along with his assistant Roy Keane, stepped down earlier this week following a miserable run of just one win in nine matches this year.
McCarthy has been out of a job since leaving Ipswich in April, but was said to be keen on a second stint in the Republic hot seat and his appointment will be confirmed to the media at 3pm on Sunday.
Other names linked with the post have included Celtic manager Brendan Rodgers, Hibernian counterpart Neil Lennon, Brighton's Chris Hughton and Dundalk boss Stephen Kenny.
But McCarthy will be given the opportunity to revitalise the Republic, with whom he won 57 caps during his playing career before taking the reins for the first time in 1996 after leaving Millwall.
Under McCarthy, the Republic missed out on qualification to the 1998 World Cup and Euro 2000.
His tenure concluded at the 2002 World Cup in Japan and South Korea, where, despite the departure from the squad of Keane following a bitter fallout with McCarthy, the Republic reached the last 16.
Since then, McCarthy has had varying degrees of success at Sunderland, Wolves and Ipswich.
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