Os Belenenses in summer 2012, playing his first match as a professional on 11 August and scoring once in a 3–1 home win against C.D.

[3] He contributed 42 games and five goals during the season,[4] helping the Lisbon club to return to the Primeira Liga after three years.

[5] Arsénio made his debut in the top tier on 18 August 2013, coming on as a 46th-minute substitute in a 0–3 home loss to Rio Ave FC.

[11] His first competitive appearance took place on 2 July, as he featured 77 minutes in a 1–1 draw at FK Jelgava in the first qualifying round of the UEFA Europa League.

[13] On 1 July 2017, Arsénio returned to Portugal, its top division and Moreirense by signing a two-year contract.