Former Aberdeen and Motherwell manager Mark McGhee has been appointed as assistant to Scotland manager Gordon Strachan.
The pair have been close friends since playing together for Aberdeen in the early 1980s and McGhee was available after being sacked as Bristol Rovers manager last month.
McGhee, who won four Scotland caps, told the Scottish Football Association website: "I am immensely proud and honoured to be asked by Gordon to assist him as national coach."
McGhee will return to Pittodrie, where he was sacked as Dons manager in December 2010, for the friendly against Estonia on February 6.
The 55-year-old, who scored Scotland's goal in a 1-1 draw with England in 1984, said: "There are few more passionate Scots around than Gordon and I am hugely excited by the challenge of taking our national team up the table in the FIFA World Cup Qualifying group and, hopefully, helping to lead us to the Euro Championships in France in 2016.
"Prior to Gordon's appointment, I had been scouting for Craig Levein so I am aware that we have a very exciting squad of players to work with and I look forward to helping Gordon realise his vision for the national team."
Strachan, who was appointed on Tuesday, added: "Mark is not just a fantastic coach but a fantastic person. The enthusiasm he brings to the training ground will be a huge asset to me and to the squad.
"It is important that we start out in a positive frame of mind and remind the players that international recognition, as well as being the greatest honour of your career, is also something to savour and enjoy. I have known Mark long enough to know that he shares this philosophy and I am delighted to have him on board."
McGhee's recent managerial appointments have not gone well but he enjoyed a degree of success at his five previous clubs.
Successful spells at Reading and Leicester led him to Wolves, where he reached the FA Cup semi-finals, but ultimately paid the price for failing to secure promotion to the top flight. McGhee later led Millwall and Brighton to promotion and then secured a third-placed finish with Motherwell in his first season as a manager in Scottish football.