He totalled over 100 games in the league championship and won two domestic trophies with the latter, before moving abroad to Galatasaray for an initial €6.5 million fee in 2021.

After initially playing at Marcon Star Medgidia, he joined the Gheorghe Hagi Academy, which served as the youth setup of Viitorul Constanța.

[11] He recorded his first goal in European competitions on 18 July that year, opening a 3–2 home victory over Sabail in the second leg of the UEFA Europa League first qualifying round.

[14] On 31 January 2020, in the opening game of the calendar year, Cicâldau scored twice before half-time in a 3–1 defeat of Gaz Metan Mediaș; the second goal came from a free kick and the double was the first in his professional career.

[15] On 28 June, he scored the winner in a 3–2 away victory over two-time defending champions CFR Cluj,[16] and two fixtures later converted a penalty in a 2–1 win against FCSB.

[18] During the 2020–21 season, Cicâldau amassed 12 goals from 42 appearances in all competitions, and won his first national cup after a 3–2 victory over Astra Giurgiu in the final.

[29] Towards the end of the 2024 summer transfer window, after a €3.5 million move to Belgian Pro League club Westerlo fell through,[30] it was reported that Galatasaray would loan Cicâldău back to his home country at Petrolul Ploiești.

[37] The following year he represented the under-21 side at the 2019 UEFA European Championship, where they managed to progress past a group with Croatia, England and France, before being eliminated by defending champions Germany in the semi-finals.

[39] In 2023, Cicâldău appeared in seven games of the Euro 2024 qualifiers, including a start in the final 1–0 victory over Switzerland which secured Romania first place in Group I.