After working for Pallo-Pojat Juniorit (PPJ) in Finland, Remmel started his professional coaching career when joining Pertti Kemppinen in his tanoke-coaching company.
He had completed an UEFA A coaching license in Coverciano, Italy in 2014 and had met Stefano Esposito, whom he had followed to Giorgione.
[3] Later, Remmel has worked for the academy of Pafos in Cyprus, as a head coach of Croatian club NK Novigrad along with Iikka Miettinen and Rasmus Jansson, and for Polish clubs Stal Rzeszów, and Motor Lublin in Ekstraklasa along with Jansson.
In the beginning of 2023, Remmel reunited with Mika Lehkosuo when he joined the coaching staff of the Finland under-21 national team.
[4][5] In November 2024, they guided the Finland U21 team, the Pikkuhuuhkajat, to qualify for the 2025 UEFA U21 Euro final tournament, for the second time in the nation's history.