 He subsequently worked as an assistant fitness coach for the Croatia national team before rejoining Vulić at FC Luch-Energiya Vladivostok in January 2008, again as a fitness coach, on a three-year deal.On 23 June 2009, Arcos was appointed caretaker manager of Luch, replacing departing Konstantin Yemelyanov and becoming the first Spaniard to manage in the country.On 11 August, despite taking the club to the quarter-finals of the Russian Cup for the first time ever, he returned to his previous role after being replaced by Aleksandr Pobegalov.