[3] Silvera left the Wanderers at the end of the 2018/19 season to take up a one-year scholarship with the Central Coast Mariners after an initial trial period with the club.
[4] On 31 July 2019, Silvera made his professional debut in a Round of 32 FFA Cup clash against Maitland, playing the full 90 minutes and providing an assist for Michael McGlinchey's second goal.
[11] Silvera played four games at Casa Pia, before then joining Sanjoanense on loan in February 2021 to complete that season.
[17] On 5 August 2023, Silvera made his debut for the club, coming on as a 69th minute substitute in a 1–0 defeat to Millwall on the opening weekend of the 2023–24 Championship season.
[21] In September 2023, Silvera was called-up for the first time to the Australia senior national team ahead of a friendly match against Mexico.