Rondelli was born in
Buenos Aires. After playing in the youth categories of
Vélez Sarsfield,
All Boys and
Lamadrid, he retired at the age of just 16, and studied
informatics before moving to coaching at the age of 25. Rondelli subsequently worked in the youth sides of Vélez Sarsfield for twelve years, and moved abroad in 2018, On 23 December 2021, Católica confirmed Rondelli as the first team manager for the 2022 season. He left the club on 17 November 2022, as his contract was due to expire. On 29 November 2022, Rondelli replaced
Ismael Rescalvo at the helm of
Emelec, still in the Ecuadorian top tier. He left on a mutual agreement on 7 June of the following year, after the club finished 13th in the first stage of the
2023 Ecuadorian Serie A. On 26 November 2023, Rondelli took over
Cusco in the
Peruvian Primera División. He qualified the club to two continental competitions in the following two seasons, before resigning on 28 March 2026. Hours after resigning from Cusco,
Melgar announced the signing of Rondelli as their manager. ==References==