Jerónimo began his coaching career at the
Benfica academy, coaching the under-13s and under-15s. He later joined the under-19 coaching staff at
Vitória de Setúbal. This was followed by a spell at
Pinhalnovense as assistant coach, gaining his first experience in professional senior football. Jerónimo's first international role was in China, as head coach of
Fujian Chaoyue, a
Fujian Super League team. He was then appointed as the head coach of
Chinese Taipei U-19 national team. Later he joined the
PVF Football Academy in Vietnam in 2018, where he led their U-19 team to win the
National U-19 Championship in
2020 and 2021.
PVF-CAND In 2022, Jerónimo was appointed head coach of PVF's senior team
Phố Hiến (later renamed to PVF-CAND), which competed in the
V.League 2. Under his guidance, PVF-CAND finished runners-up in the
2023 and
2023–24 V.League 2, both times missing out promotion to the
V.League 1. He also led PVF-CAND to the
2023–24 Vietnamese Cup semi-finals, being the first second-tier team to achieve that after two decades.
Nam Định On 14 November 2025, Jerónimo was appointed as the head coach of
V.League 1 team
Thép Xanh Nam Định, signing a two-year contract with the team. During this period, the Portuguese coach led the club to qualification for the semi-finals of the
ASEAN Club Championship (Shopee Cup), finishing the group stage in first place and undefeated. Mauro Jerónimo also left his mark in the club's record books by achieving Nam Định's biggest victory ever, defeating
Eastern Sports Club 9–0 in a match of the
AFC Champions League 2. In February, he left the club by mutual agreement with the board. ==Managerial statistics==