On 6 July 2015, Miramón signed a one-year deal with CD Leganés in Segunda División.[5] He made his professional debut on 23 August at the age of 26, coming on as a second-half substitute for Omar Ramos in a 2–3 away loss against UD Almería.
Miramón scored his first professional goal on 29 May 2016, netting the last in a 2–0 home win against UE Llagostera. He contributed with 22 appearances during the campaign, as his side achieved promotion to La Liga for the first time ever.
On 19 July 2016, Miramón signed a one-year contract with CF Reus Deportiu in the second division, after cutting ties with Lega.[6] He was converted into a right back during his first season, and renewed his contract for a further campaign on 29 June 2017.[7]
On 6 June 2018, Miramón signed a one-year deal with SD Huesca, newly promoted to La Liga.[8] He made his debut in the main category on 19 August, starting in a 2–1 away win against SD Eibar.[9]