The 59-year-old has been in charge at Atletico for two weeks and had a winning debut in the 3-0 victory at Recreativo Huelva.
But they only managed a draw in the first leg at home to Porto in the Champions League.
But Atletico president Enrique Cerezo is ready to hand Resino a new deal if he manage to get them through to the quarter-finals of the Champions League, according to Sport.
